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Number of pages: 117 Category: Civil Engineering

Master's thesis in the field of civil engineering - hydraulic structures Abstract: Rivers are one of the most important and common sources of drinking, agricultural and industrial water supply. These resources have many qualitative fluctuations due to passing through different platforms and direct connection with the surrounding environment. Therefore, predicting the quality of ...

Number of pages: 126 Category: Computer Engineering

Dissertation for obtaining a master's degree in computer engineering - software orientation. Abstract In all the projects that are carried out today, the discussion of management is a very decisive issue. Software projects are no exception to this rule. One of the most important aspects of software development is time and cost management. Considering that in the early stages of ...

Number of pages: 158 Category: Facilities - Mechanics

Dissertation for obtaining a doctorate degree in the field of mechanical engineering - manufacturing and production: the advantages of using semi-solid processes are reducing the amount of gas porosity and shrinkage and modifying the microstructure, which aims to improve the mechanical properties of the part. In this research, the cooling ramp method has been used to produce the ...

Number of pages: 129 Category: Geography - Urban Planning

Dissertation for M.Sc Master's Degree in Remote Sensing and Geographical Information System - Water and Soil Resources Abstract One of the important issues in crisis management of unexpected natural events, especially earthquakes, is optimal location in order to accommodate citizens during or after an accident. One of the major problems of the organizations involved in urban ...

Number of pages: 132 Category: Biology - Environment

Master's thesis in the field of road, building and environmental engineering - hydraulic structures. In this research, the effect of geobags on the scour control of bridge piers has been studied using Computational Fluid Dynamics (CFD) method. Geobags are geotextile bags that are filled with materials such as sand, concrete or materials from river dredging. Due to the ...

Number of pages: 90 Category: Chemical - Petrochemical Engineering

Master's degree thesis in the field of chemical engineering, thermokinetic and catalyst orientation. Abstract The purpose of this research is to estimate the electrical conductivity of natural waters based on modern mathematical methods. To achieve this, the waters of the Karaj and Jajrud rivers are considered as special cases. For this purpose, 20 sampling stations were ...

Number of pages: 88 Category: Geography - Urban Planning

Dissertation for Master's Degree (M.Sc.) Investigating the application of artificial neural network method in estimating the annual runoff of watersheds (Case study: Total Watershed, Fars Province) by: Jalal Zarei Abstract: The importance and place of water in human life, especially in the modern and overpopulated world, is not hidden from anyone, and industrial and urban life ...

Number of pages: 115 Category: Facilities - Mechanics

Dissertation for Master's Degree in Mechanical Engineering (Energy Conversion) Abstract In this thesis, the mass and heat transfer of water-aluminum oxide nanofluid in a two-dimensional porous medium under a magnetic field and in the vicinity of a vertical wall has been investigated. The boundary wall can be permeable or impermeable. The concentration and temperature of the wall ...

Number of pages: 176 Category: Civil Engineering

Doctoral Dissertation on Earthquake Geophysics­ Science, September 2012 Abstract In this treatise, several combined simulation methods are used in order to produce artificial maps of the earth's powerful movement. Based on this, there are two methods

Number of pages: 100 Category: Management

Master's Thesis in Industrial Management - Operations Research. Abstract Many researches have been conducted in the field of urban transportation, each of them trying to improve these networks by specifying the type of vehicle and also a specific purpose. The current thesis also tries to provide a mathematical model to increase the income of Tehran subway. For this purpose, we ...

Number of pages: 118 Category: Electronic Engineering

Dissertation for obtaining a master's degree in the field of electrical-power engineering. Abstract: In recent years, attention to high productivity and efficiency in various industries has rapidly expanded the scope of application of power electronic equipment. These equipments have increased power quality problems in distribution networks due to their non-linear ...

Number of pages: 96 Category: Electronic Engineering

Master's Thesis in Electronics Abstract Nowadays, according to the advantages of wireless sensor networks, which are simple and cheap implementation, low power consumption and high scalability, they are used in many applications. Designing sustainable wireless sensor networks is a very challenging issue. Sensors with limited energy are expected to operate automatically for a ...

Number of pages: 131 Category: Computer Engineering

Thesis for obtaining a master's degree in the field: computer, software, abstract. In a sensor network, which is a pervasive distributed system, communication synchronization is one of the discussed cases. One of the main tasks of synchronizing processes is mutual exclusivity. The new algorithms provided are more fair compared to the old algorithms. In this thesis, we present a ...

Number of pages: 129 Category: Management

Dissertation for Master's Degree in Industrial Management - Industrial Production Abstract Currently, the ever-increasing complexity and dynamism of production environments, the use of analytical models in their evaluation and decision-making has faced significant limitations. Therefore, the use of computer simulation as a tool that has a wide capability in formulating the above ...

Number of pages: 89 Category: Electrical Engineering

Dissertation to receive a master's degree in electrical engineering, power trend. Abstract: Flexible power transmission systems, which are known as FACTS[1] compensators, are modern tools that have been used in power systems to strengthen the controllability and develop the transmission capacity of power networks based on power electronic converters during the last decade. In ...

Number of pages: 207 Category: Computer Engineering

Master's Thesis in Computer-Software (M.Sc) Abstract The quality of service in wireless sensor networks is very different compared to traditional networks. Some of the parameters that are used in evaluating the quality of service in these networks are: network coverage, optimal number of active nodes in the network, network lifetime and energy consumption. In this thesis, three ...

Number of pages: 79 Category: Electronic Engineering

Dissertation of the master's course in electrical field (M. Sc) orientation: power Abstract: In this thesis, electrical and mechanical defects in electric machines are examined and the factors that cause them and the methods of fixing these defects are stated. After that, with the help of the winding function method of the simulation machine and the intended error, i.e. the ...

Number of pages: 80 Category: Electronic Engineering

Master's Thesis in Electronics Abstract Nowadays, according to the advantages of wireless sensor networks, which are simple and cheap implementation, low power consumption and high scalability, they are used in many applications. Designing sustainable wireless sensor networks is a very challenging issue. Sensors with limited energy are expected to operate automatically for a ...

Number of pages: 70 Category: Chemical - Petrochemical Engineering

Master's Thesis on Simulation and Process Design Abstract So far, many methods have been presented to remove phenol from wastewater, among them, the membrane bioreactor process has received attention in the last decade. The use of hollow fiber membrane contactor in this process is to avoid direct contact between two phases and increase the surface-to-volume ratio. In the current ...

Number of pages: 116 Category: Veterinary Medicine

Dissertation: To obtain the degree of professional doctor of veterinary medicine (D.V.M.) Farsi abstract title: Evaluation of the total dissolved solids (TDS) factor in the drinking water of poultry farms in Piranshahr city. Water is considered one of the most important chemical substances in terms of biology and exists in solid, liquid, and vapor forms in nature. Water is one ...

Number of pages: 89 Category: Electrical Engineering

Dissertation to receive a master's degree in electrical engineering, power orientation. Abstract: Flexible power transmission systems, which are known as FACTS[1] compensating devices, are modern tools that have been used in power systems to strengthen the controllability and develop the transmission capacity of power networks based on power electronic converters during the last ...

Number of pages: 110 Category: Electrical Engineering

Dissertation for obtaining a master's degree in the field of electrical-power engineering. Abstract: In recent years, attention to high productivity and efficiency in various industries has rapidly expanded the scope of application of power electronic equipment. These equipments have increased power quality problems in distribution networks due to their non-linear ...

Number of pages: 73 Category: Electronic Engineering

Dissertation for receiving a master's degree in the field of electricity - the tendency of electric machines. Abstract In this thesis, the behavior of the wind power plant is investigated using the detailed model of induction generator with two-way feeding. Electronic converters of the power plant and its control systems and the behavior of the power plant include electrical and ...

Number of pages: 66 Category: Electrical Engineering

Dissertation of the Master's course in the field of electricity (M. Sc) orientation: power Abstract: In this thesis, electrical and mechanical defects in electric machines are first examined and the factors causing them and the methods of fixing these defects are stated. After that, with the help of the winding function method of the simulation machine and the intended error, ...

Number of pages: 170 Category: Animal Husbandry - Poultry Farming

Dissertation to receive a Master's degree (M.Sc.) in the field of Animal Science, Animal Nutrition, Abstract: Poultry breeding has taken a special place to provide part of the nutritional needs of the society, and the current society has correctly recognized this position and it is expanding every day. Therefore, it is very important to try as much as possible to improve the ...

Number of pages: 134 Category: Facilities - Mechanics

Master's thesis in the field of mechanics, specialization: mechanical engineering - energy conversion. Abstract: One of the most important components of fluid transmission systems are control valves, which can be seen in different routes of oil and gas transmission pipelines, etc. In control valves, the most important issue is the property of the flow in order to achieve the ...

Number of pages: 104 Category: Civil Engineering

Master's Thesis in Civil Engineering - Earthquake Engineering March 2012 Abstract Reinforced soil is a special material that is created from the combination of soil and reinforcing member. Arming components resistant to N

Number of pages: 98 Category: Chemical - Petrochemical Engineering

Master's thesis in chemical engineering field, vapor pressure is an important thermodynamic property in process equipment design and chemical engineering unit operation. Therefore, experimental vapor pressure data that cover the entire range of vapor pressure are very valuable, but due to the lack of accurate measurements for the vapor pressure of some materials near the triple ...

Number of pages: 92 Category: Electronic Engineering

Dissertation for master's degree, specialization: Power, Power, Abstract One of the important design challenges in wireless sensor networks (WSN) is to prolong the lifetime of the system (node), while achieving an acceptable quality of service for the applications. Extending the life of the node is directly related to reducing energy consumption. In WSN, each sensor node works ...

Number of pages: 66 Category: Electrical Engineering

Dissertation for master's degree in the field: Power Electrical Engineering Abstract Due to the extent and complexity of distribution networks, the probability of an accident occurring in them is very high, and the occurrence of an accident can affect many subscribers. Therefore, reliability is one of the key parameters determining the success rate of the system in providing ...

Number of pages: 77 Category: Electronic Engineering

Master's Thesis in Electrical Engineering (M.Sc) Major: Electronics Abstract: The increase in demand for portable systems has led the electronics industry to pay special attention to power consumption as an important criterion. Adders are important elements in many digital systems. For this reason, various digital collectors have been proposed in the current era, each of which ...

Number of pages: 109 Category: Economics

Dissertation for Master's Degree (M.A) in Business Management Abstract In today's world, companies compete with each other to achieve higher sales and profits. It is vital to pay attention to the marketing mix in companies to increase sales, especially in Pegah Golpayegan Company. In a competitive structure, the market, above all, is the management's knowledge and understanding ...

Number of pages: 47 Category: Computer Engineering

Master's Thesis in Computer Engineering, Major: Current abstract software using wireless sensor networks (Wireless Sensor Network) in its expanded form. Due to the predominant use of batteries to supply the energy consumption of these sensors and also the lack of easy access to sensors in many of these applications, engineers and researchers are encouraged to design routing ...

Number of pages: 115 Category: Civil Engineering

Master's thesis in the field of civil engineering (hydraulic structures) abstract of sediment transfer and sedimentation, the consequences such as the creation of sediment islands in the river path and as a result the reduction of flood flow transfer capacity, corrosion of river structures and It includes other problems. Also, suspended sediments affect the quality of water for ...

Number of pages: 105 Category: Civil Engineering

Master's Thesis in Civil-Structural Engineering Today, domes and arches have found wide applications in architectural and industrial structures due to their suitable coverage of large openings. The use of today's technologies in styling and optimizing energy consumption in these types of structures is one of the important challenges facing engineers. Therefore, the need to ...

Number of pages: 182 Category: Electrical Engineering

Dissertation of the master's degree in the field: Electrical Engineering - Power trend. Abstract Today, despite the wide use of sensitive loads such as power electronics, computers and non-linear loads in distribution networks, the issue of power quality has received more attention. Most of these loads are sensitive to voltage changes, such as undervoltage and overvoltage, and ...

Number of pages: 141 Category: Civil Engineering

Master thesis M.Sc. Discipline: Civil Engineering, Orientation: Hydraulic Structures. Abstract River containment is generally done by dams and similar structures. The flow passing through these structures has a significant potential for erosion and scouring of susceptible beds. Relaxation ponds are designed and built mainly for the purpose of depleting flow energy and ...

Number of pages: 154 Category: Civil Engineering

Master's Thesis of Water Engineering - Water Resources Management Abstract The advance of salt water in fresh water aquifers is not limited to the islands and coasts of oceans, seas and salt lakes, but it is possible for salt water aquifers to advance through deserts, swamps and salt water pits in the adjacent fresh water aquifers, making it salty and unusable in critical ...

Number of pages: 129 Category: Civil Engineering

Abstract Babol-Babolsar study area, with an area of ??1817 square kilometers, is under the Babol-Amol area, which is located in Mazandaran province. About 898 square kilometers of the area is the plain and 919 square kilometers are the heights of the northern slopes of Alborz. Babolrud river is the main source of surface water in the area. The climate of Babol-Babolsar plain is ...

Number of pages: 102 Category: Electronic Engineering

Master's Dissertation in Power Electricity Abstract: In electrical networks, costs caused by system losses and defects caused by voltage deviations from permissible limits are among the biggest problems that plague power generation, transmission and distribution. Therefore, reducing the costs of planning and operating power systems, and at the same time, observing its limits and ...

Number of pages: 140 Category: Civil Engineering

Master's thesis in the field of road, building and environmental engineering - hydraulic structures Abstract In this research, nonlinear wave differential equations are solved by the local RBF-DQ numerical method. These differential equations are in the form of Laplace's equation (as a governing equation) and nonlinear boundary conditions on the free surface; The basis of the ...

Number of pages: 96 Category: Chemical - Petrochemical Engineering

Master's Thesis in Chemical Engineering Abstract Vapor pressure is an important thermodynamic property in process equipment design and chemical engineering unit operation. Therefore, experimental vapor pressure data that cover the entire range of vapor pressure are very valuable, but due to the lack of accurate measurements for the vapor pressure of some materials near the ...

Number of pages: 93 Category: Electrical Engineering

Master's Thesis, Electrical Engineering, Power, Abstract: The sliding mode control method is one of the most important non-linear control methods, whose distinctive characteristics are insensitivity to parameter changes, complete rejection of disturbance, and dealing with uncertainty. This controller first brings the system from the initial state using the law of reaching the ...

Number of pages: 96 Category: Electrical Engineering

Dissertation for master's degree, specialization: Power, Power, Abstract One of the important design challenges in wireless sensor networks (WSN) is to prolong the lifetime of the system (node), while achieving an acceptable quality of service for the applications. Extending the life of the node is directly related to reducing energy consumption. In WSN, each sensor node works ...

Number of pages: 128 Category: Electrical Engineering

Master's thesis in the field of electrical engineering, system communication Abstract: Investigating routing algorithms in radiological networks and presenting a method to improve the output of the radiological technology network was first expressed by Dr. Mitola in 1999 and in recent years has created an emerging evolution in the field of radio communication that can provide ...

Number of pages: 133 Category: Biology - Environment

Master's Thesis in Electrical Engineering - Renewal Abstract The trustees of distribution systems, as the last link in the chain of electricity supply to subscribers, face problems in their long-term decisions. Paying attention to electricity markets and rates affected by the performance of electricity market players challenges distribution companies, which are responsible and ...

Number of pages: 182 Category: Electrical Engineering

Dissertation of the master's degree in the field: Electrical Engineering - Power trend. Abstract Today, despite the wide use of sensitive loads such as power electronics, computers and non-linear loads in distribution networks, the issue of power quality has received more attention. Most of these loads are sensitive to voltage changes, such as undervoltage and overvoltage, and ...

Number of pages: 74 Category: Electrical Engineering

Master's Thesis of Electrical Engineering - Telecommunications Abstract With the rapid growth of Internet users and real-time services such as voice and video and the need to meet the quality of service required by users, the next generation of cellular networks is expected to provide access to mobile users everywhere. LTE is a new radio access technology proposed for a move ...

Number of pages: 107 Category: Electrical Engineering

Master's Dissertation in Power Electricity Abstract: In electrical networks, costs caused by system losses and defects caused by voltage deviations from permissible limits are among the biggest problems that plague power generation, transmission and distribution. Therefore, reducing the costs of planning and operating power systems, and at the same time, observing its limits and ...

Number of pages: 147 Category: Electrical Engineering

Dissertation for receiving the master's degree ""M.Sc."" Trend: The power of the series active filter is designed for harmonic separation and load voltage regulation in non-linear loads of single-phase and three-phase harmonic voltage source type. A new method for extracting harmonics of load voltage is proposed under the name of absolute value method, which is applied to the ...

Number of pages: 85 Category: Facilities - Mechanics

Dissertation to receive a master's degree in mechanical engineering in the field of construction and production. Abstract: The growth and expansion of cities and the development of urban life require up-to-date and expandable infrastructure. Transportation systems are among the basic infrastructures in cities, among which the creation and development of subway networks is of ...

Number of pages: 124 Category: Electrical Engineering

Abstract Changing the parameters in an industrial process causes the process to go out of its optimal working point. This change, in turn, will reduce the efficiency of closed-loop controllers that are designed for the optimal operating point of the system. Therefore, it is necessary to first detect and identify these changes as a defect and then correct the system behavior by ...

Number of pages: 89 Category: Biology - Environment

Master's Thesis in Mechanical Engineering, Energy Conversion, Abstract Due to the lack of fresh water resources, it is of great importance to discover new ways of water production. One of the new methods of producing fresh water in low capacity is the use of air humidity, which is known as condensation water production system. In this method, the flow of hot and humid air is ...

Number of pages: 88 Category: Facilities - Mechanics

Dissertation for M.Sc Master's Degree, Mechanical Engineering-Manufacturing and Production Abstract Nowadays, due to the need for parts with high strength and low weight, the method of manufacturing parts has become important. Hot gas forming [1] is a new process that, due to the elimination of side operations such as welding, the total weight of the parts is reduced, the ...

Number of pages: 115 Category: Librarianship

Dissertation to receive master's degree in accounting. Abstract In the conditions of the realism of the presented financial statements, the profit based on the accrual accounting system should be able to reflect valuable information about the current situation and future prospects of the company to the market. In this case, the profit may reflect the personal interests of the ...

Number of pages: 96 Category: Civil Engineering

Dissertation to receive a master's degree, specialization: civil engineering-water engineering Abstract: In this research, the effect of land slope, difference in height of pressure booster stations, height above sea level on the characteristics of the length of the water transmission systems in order to verify the feasibility and facilitate the prediction of its use and optimal ...

Number of pages: 158 Category: Civil Engineering

Dissertation for Master's Degree Abstract: Dealing with external forces such as earthquakes is one of the most important missions of civil engineers. In order to achieve this goal, the light metal frame system, which has advantages such as the possibility of industrial production, prefabrication and lightness, can be considered as a suitable alternative to traditional systems. ...

Number of pages: 113 Category: Civil Engineering

Master's Thesis in Civil Engineering (M.Sc) Major: Project Management and Construction Abstract: Seismic improvement of educational buildings is one of the main priorities of the government after the Bam earthquake. This incident drew the attention of the statesmen to the fact that the improvement of educational buildings in Iran is a historical necessity, and if a proper ...

Number of pages: 142 Category: Chemical - Petrochemical Engineering

M.Sc. Dissertation for Master Degree in Chemical Engineering - Process Engineering Abstract Mercaptans are removed from hydrocarbon streams by various methods. The use of caustic soda solution and mucoli sieve beds are among the most widely used methods. In the oil and gas industries of our country, washing with relatively dilute caustic solution is often used to remove light ...

Number of pages: 132 Category: Chemical - Petrochemical Engineering

Master's thesis in the field of chemical nanoengineering Abstract: Fabrication of ceramic nanofiltration membrane for chloride ion separation (case study: gas condensate) In this research, chloride ion separation using alumina-titania double layer nanofiltration membrane has been investigated. For this purpose, first, the alumina-titania double-layer membrane is made based on ...

Number of pages: 103 Category: Electronic Engineering

Dissertation for Master's Degree Abstract Today, preventing losses caused by blackouts and undistributed energy is very important. Therefore, one of the most important issues in the operation of the distribution network is the renewal of the load, which has a great impact on the constant service to the subscribers. When a part of the network is cut off due to an error or ...

Number of pages: 150 Category: Animal Husbandry - Poultry Farming

Dissertation for receiving a master's degree (MSc) in the field of animal science - animal nutrition. Abstract In order to investigate the effect of rosemary powder and vitamin E on performance, blood parameters, immune system, and the quantity and quality of broiler chickens, an experiment was conducted in the form of a factorial design. For this purpose, 270 one-day-old male ...

Number of pages: 198 Category: Industrial Engineering

Master's Thesis of Precision Instrument Engineering and Industrial Automation in Oil Industries Abstract Non-linear dynamic systems face many challenges that must be investigated. Among these problems, we can point out things like extreme nonlinearity, changing operating conditions, dynamic uncertainty, both structured and unstructured, and external disturbances. Despite the ...

Number of pages: 107 Category: Facilities - Mechanics

Dissertation for M.Sc Master's Degree, Mechanical Engineering - Applied Design Abstract Modern wind turbines today tend to vibrate a lot due to their elastic, long and narrow structure. Therefore, all components of wind turbines should be subjected to vibration and modal analysis in the design stages, and their natural frequencies should be reviewed with turbine excitation ...

Number of pages: 131 Category: Facilities - Mechanics

Abstract: Research in the field of heat transfer of suspensions with nanometer-sized solid particles in the base fluid has started in the last decade. Recent research in the field of nanofluids has shown that the addition of nanoparticles causes a significant increase in the heat transfer of the suspension. Another common way to improve the thermal performance of devices is to ...

Number of pages: 83 Category: Facilities - Mechanics

Dissertation for receiving master's degree in mechanical engineering, the trend of manufacturing and production of complex industrial products from metal pipes with the aim of increasing the strength-to-weight ratio of structures and especially reducing the fuel consumption of vehicles has attracted the attention of industrialists in recent years. In this regard, one of the new ...

Number of pages: 124 Category: Civil Engineering

Thesis - Master's Degree in Geophysics - Seismology 2012 Abstract Seismic hazard estimation to calculate a certain level of damage and vulnerability in the design of structures is one of the most important topics and principles of earthquake engineering, but

Number of pages: 126 Category: Educational Sciences

Dissertation for the Master's Degree in Educational Technology (M.A.) Abstract The purpose of this research was to investigate the effect of using the simulation method in a constructivist environment on students' creativity in the first secondary mathematics course. In this study, the research method was quasi-experimental. The statistical population of the research was 6200 ...

Number of pages: 131 Category: Geography - Urban Planning

Thesis for obtaining a master's degree in the field of natural geography, geomorphology in environmental planning. Abstract: Studies on the effects of urban development on Zarjoub and Goharroud rivers in Rasht city have been carried out with the aim of improving the environmental quality of changing the conditions of the rivers from their pollution and flooding to favorable and ...

Number of pages: 158 Category: Geography - Urban Planning

Dissertation for Master's Degree in Geography and Urban Planning (M.A.) Summary of quality of life as a concept to show the level of satisfaction of a person with life and in other words a measure to determine the satisfaction and dissatisfaction of individuals and groups from different aspects of life. The quality of urban life is one of the most important areas of urban ...

Number of pages: 96 Category: Geography - Urban Planning

Dissertation for receiving the M.A. degree in the Department of Geography. The field of natural geography, the trend of climatology in environmental planning, is the abstract of a flood, a water flow that exceeds the capacity of the river channel and then flows into the adjacent floodplain. Although many local hydrological factors related to the catchment may affect the flood, ...

Number of pages: 138 Category: Electronic Engineering

Master's thesis in telecommunications-systems, the abstract of the current research is about the issue of scalability in wireless sensor networks with imaging capability, which has analyzed, mathematically modeled and simulated the scalability by considering a relatively practical scenario of the sensor network, and based on the performance criteria of outage capacity and ...

Number of pages: 81 Category: Computer Engineering

Dissertation of the master's course in computer engineering, software orientation. Abstract The necessity of increasing use of distributed data in computer networks is clear to everyone. A large number of computing and storage resources are placed together and form the grid. In recent years, grid technology has grown significantly, so that it has been used in most scientific ...

Number of pages: 110 Category: Civil Engineering

Master's thesis in the field of civil engineering, structure orientation. Abstract: In this study, the effect of some effective parameters on the strength of polymer concrete based on epoxy resin, including hardener, filler, and solvent, has been investigated. Rice husk ash and broom stalk ash were used as fillers and acetone-toluene mixture with a ratio of 50-50% was used as a ...

Number of pages: 155 Category: Civil Engineering

Dissertation for M.A. degree Abstract of this research, knowing the conditions governing the Fahlian River, determines the Manning roughness coefficient in the studied area using various experimental and semi-experimental methods and tables for use in designs. And it presents the best and most reliable method of determining the roughness coefficient using field studies and ...

Number of pages: 181 Category: Electrical Engineering

Master's thesis in the field of electrical engineering (field) Abstract Analysis, simulation and construction of optimized microstrip antenna or metamaterial roll and use of particle aggregation optimization (PSO) algorithm Microstrip antennas are widely used due to their unique features such as reasonable manufacturing cost and low weight, especially in wireless systems. One of ...

Number of pages: 145 Category: Textile Industries

In order to receive a master's degree in textile technology, it is essential to know the physical and mechanical properties of carpets to produce a quality product and maintain the proper appearance. In this research, an attempt has been made to provide a model to determine the relationship between the different parameters of these characteristics, therefore, to measure these ...

Number of pages: 127 Category: Electrical Engineering

Master's Thesis in Electrical Engineering - Telecommunication System Abstract VOR navigation system is a radio navigation system that has tactical and non-tactical applications and is made in two types CVOR and DVOR. This system is widely used in military and civilian air services in most countries of the world by determining the position (direction) of the flying vehicle in ...

Number of pages: 78 Category: Electronic Engineering

Electrical-Electronics Engineering Master's Thesis Abstract In this thesis, we have used graphene nano-ribbons as an active layer of a solar cell for the first time. To simulate this cell, the non-equilibrium Green's function method was used in the mode space, and the effect of electron-photon interactions was calculated by means of Born's self-consistent approximation. To ...

Number of pages: 154 Category: Electronic Engineering

Master's thesis in the field of electricity and telecommunications. Abstract Analysis of the compensation error of the platform movement in the quality of radar imaging in stripmap mode. SAR is one of the most important branches of ""remote sensing"" science, which has received the attention of researchers for years due to its wide applications. In Iran, in recent years, ...