Download more than 100 examples of thesis, proposal and project topics about pulse width modulation in editable WORD file format at undergraduate, graduate and doctoral levels for use and reference in research, articles, theses, student and academic projects.
Master's thesis in the field of electrical engineering, power orientation Abstract: Pulsed power is a design for discharging stored electrical energy on a load in one or more short pulses with a controllable repetition rate. Pulse power generation technology is divided into two branches: low power pulses and high power pulses. Low-power pulses are several megawatts and ...
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 ...
Dissertation for M.Sc)) Electrical Orientation - Power Abstract Common-mode voltages and currents are generated due to parasitic capacitance between solar cells and their frame, which is usually grounded. These capacities are usually modeled as capacitors between the negative terminal of the solar cell and ground. In solar cells that are connected to the grid through a ...
Master's Thesis in the field of Electrical Engineering-Communication System, abstract of the investigation of the methods of removing interference signals in the surveillance channel in passive radars based on DVB-T signal. In this thesis, the performance of adaptive methods in weakening the interference signals including the direct path signal and clutter and the degree of ...
Master's thesis in the field of telecommunication engineering - abstract system of investigating the methods of incoherent detection of broadband signals with the emergence and expansion of telecommunication systems with very narrow pulse width, very wide bandwidth, the limitation of bandwidth and speed of existing electronic components, the use of many previously known ...
Dissertation to receive a master's degree ""M.Sc"" in the field of electrical engineering, power systems trend Abstract Today, significant advances in semiconductor technology and the emergence of high-power switches that have the ability to be turned off by a control signal on the one hand and the better efficiency of multi-level converters compared to two-level converters on ...
Abstract Common-mode voltages and currents are generated due to the creation of parasitic capacitance between solar cells and their frame, which is usually grounded. These capacities are usually modeled as capacitors between the negative terminal of the solar cell and ground. In solar cells that are connected to the grid through a transformer, the electrical insulation of the ...
Dissertation for receiving a master's degree in the field of electrical power, power systems trend. Abstract: Reactive power compensation has always been one of the important research topics in most universities and research centers. Meanwhile, the new generation of compensators (FACTS) has been the focus of the power industry and research centers in order to control reactive ...
Master's Thesis in Electrical Engineering - Power Abstract Nowadays, pulse width modulation techniques are widely used to control the output voltage and current of AC/DC converters. Among these methods, space vector modulation (SVM) has received a lot of attention due to its simplicity and favorable properties in controlling three-phase inverters digitally. The limitation of ...
Master's thesis in the field of power electronics, power electronics, Abstract: The use of pulsed power sources in various plasma processes is increasing due to the relationship established between them. According to the research done in this case, the design of pulsed power sources with the aim of reducing losses and increasing efficiency can have important effects on plasma ...
Dissertation for receiving a master's degree in electrical engineering, electronics orientation. Chaos theory was founded at the end of the 20th century by Lorentz. Chaos science investigates non-linear systems and their behavior in different conditions. Since the systems around us are mostly non-linear, by creating feedback in them, they may show chaotic behavior, so chaos ...
Master's thesis in the field of medical engineering Abstract of estimation of breathing rate from pulse oximeter signal of people suffering from sleeping sickness: review and comparison of different methods Pulse oximetry is a non-invasive and relatively cheap method for monitoring oxygenated hemoglobin in blood, which works based on the different light absorption of oxygenated ...
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 ...
Master's Thesis in Electrical Engineering (Communication System) Abstract: Optimizing Node Placement in Different Environments for Broadband Sensor Networks Locator Systems are systems that can detect the location of an object in a space. Such systems usually detect the distance between two objects by using radio communication and determine the location of the object in the area ...
Master's thesis in the field of electrical engineering-communication system for removing interference in the passive radar reference channel based on digital TV broadcast signal by terrestrial transmitters with a reproduction approach. In this thesis, a digital receiver for signal processing in a passive radar reference receiver based on orthogonal frequency division modulation ...
Dissertation to receive a master's degree ""M.Sc"" in the field of electrical engineering, power, high voltage, abstract. Inverters can produce single-phase and three-phase ac voltages from a constant or variable dc voltage. There are various methods to control the output voltage of the inverter, which is introduced in this thesis from an inverter system with solar panel input. ...
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, ...
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 ...
Master's thesis in the field of electricity-telecommunication system Abstract In this thesis, we examine commonly used methods to reveal information in signals that are the result of signals sent by different users in a multi-user telecommunication system. According to the nature of this problem, it can be divided into two main parts: revealing the sent information of all users ...
Master's Thesis in Electrical Engineering (Communication System) Abstract: Optimizing the placement of nodes in different environments for ultra-broadband sensor networks. Locator systems are systems that can detect the location of an object in a space. Such systems usually detect the distance between two objects by using radio communication and determine the location of the ...
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 ...
Dissertation for receiving a master's degree in electrical engineering field telecommunication field Abstract This thesis focuses on the applications and development of Time-Reversal techniques based on signal processing methods for broadband electromagnetic waves in homogeneous and random discrete and continuous environments. Time reversal methods based on the invariance of ...
Dissertation for receiving the master's degree ""M.Sc"" in the field of power electrical engineering Abstract Inverters can produce single-phase and three-phase ac voltages from a constant or variable dc voltage. There are various methods to control the output voltage of the inverter, which is introduced in this thesis from an inverter system with solar panel input. In this ...
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 ...
Abstract: Hydraulic jump is one of the amazing hydraulic phenomena that consumes the kinetic energy of water. Hydraulic structures such as relaxation ponds mainly use this important property of hydraulic jump to consume energy downstream of overflows, rapids and valves. The dimensions of these structures are directly dependent on the characteristics of hydraulic jump, therefore, ...
Master's thesis in the field of agricultural engineering - food science and food industry - food chemistry. Abstract of the research: In this research, strong electric fields with short square pulses and a time scale between microseconds and milliseconds were used to sanitize liquid foods, and food products were processed under environmental conditions or low temperatures and ...
Master's thesis in the field of electrical power Abstract: Pulsed power is the accumulation of energy after a relatively long period of time and the release of energy very quickly. This process is to increase the instantaneous power of the system. The characteristic of this pulse includes the voltage level and rise time based on the load requirements. Improvement of efficiency ...
Dissertation for obtaining a master's degree in civil engineering. 2013 Winter Earthquake Abstract of earthquakes close to the fault due to having pulse type movement with a long period at the beginning of the record, including
Dissertation for the Master's Degree (M.A) in Finance, Winter 2013 Abstract: In this research under the title « Investigation of human resource management on the financial performance of Melli Bank branches » that d
Thesis for receiving a master's degree in the field of civil engineering with structural orientation in February. 2013 Abstract: In recent years, significant progress has been made in the field of improvement and resistance
Dissertation of Master's Degree in Civil Engineering – Earthquake Engineering 2013 Abstract: Concrete beam and slab bridges with neoprene supports are among the most common highway bridges in the country.
Thesis for receiving the degree of M.A. Orientation: assessment and measurement (psychology) Winter 2013 Abstract During the past decades, a large number of psychologists and psychiatrists
Master's Degree in Architectural Engineering (M. A) June 2013 Abstract: This article is taken from a research that aims to identify the factors affecting the communication of spaces.
Master's Thesis in Family Counseling Abstract: The present study was conducted with the aim of investigating the relationship between emotional intelligence of female teachers and violence against them. In addition, subscales of emotional intelligence were used to predict violence against female teachers. For this purpose, 280 female teachers were selected by cluster sampling ...
Dissertation for Master's Degree in Counseling and Guidance Abstract: The purpose of this research was to investigate the relationship between self-efficacy, academic procrastination and test anxiety with academic progress in male students. A descriptive-correlational research design was used. The statistical sample is 258 male students in the first grade of secondary school in ...
(To obtain a master's degree) 2013 Abstract: Oil as a strategic commodity has an important role in both economic and political terms. The world economy, especially during the last half century
The final performance (dissertation) to obtain the master's degree in the field of world music playing in July 2013. Abstract During the last years, many efforts have been made in the field of comparing the two instruments of violin and violin.
Dissertation for Master's Degree (M.A.) Major: General Psychology. The abstract of the present research is to investigate the effectiveness of emotional intelligence in reducing the dependence on Facebook of female high school students in Tehran. The hypotheses of the research are: 1- Training to improve emotional intelligence reduces the dependence of high school students on ...
Dissertation for Master's Degree (M.A.) Major: General, Investigating the effectiveness of exercise on the level of self-esteem, happiness and quality of life of young people. For this purpose, among the beginner athletes who referred to the Darab fitness club in the summer of 2013, 60 people were available and 60 people were selected from normal people and they were matched ...
Dissertation for Master's Degree in GIS and Remote Sensing in Urban and Rural Studies Abstract: Choosing a suitable place for activity at the neighborhood and regional level is one of the basic decisions to carry out a research project that requires research in a studied place from different perspectives. At the scale of localities and regions, locating is an activity that ...
Dissertation for Master's Degree in Clinical Psychology Abstract: Teenagers who are brought up with a correct parenting style have better lives and mental states. For this purpose, the current study was conducted with the aim of investigating the effect of family life education (F.L.E) on changing the parenting style of mothers with teenage sons who are studying in Shahid Dr. ...
Faculty of Psychology and Social Sciences - Department of Psychology Dissertation for Master's Degree (M.A) Dissertation Abstract (including summary, objectives, methods of implementation and results obtained): The present research was conducted to investigate the effect of storytelling on the signs of stubborn-disobedience behavior. The study was an experimental type with a ...
The thesis for receiving a master's degree in the field of psychology (M.A.) clinical orientation is an abstract of the family, the center of love, affection and upbringing and the basis of the formation of social life. It is the most basic and main social form and component. A healthy society depends on the health of the family and the realization of its health depends on the ...
Dissertation for Master's Degree in Geography and Urban Planning Abstract Today, one of the most obvious problems of contemporary urban planning is the crisis of meaning, both social and physical, in place. After the victory of the Islamic Revolution, the expectation of changes in various cultural fields gradually entered the physical realms and created the desire to restore the ...
(Strength – Orientation) Economics-Economics, January 2013 Abstract The revenues from the sale of oil have a significant share in the government's income and the government's gross domestic product in Iran. On the one hand, due to the importance of the industrial sector
Dissertation for Master's Degree (M.A.) Field: Economics: Energy Economics Fall 2013 Abstract of Thesis (including summary, objectives, implementation methods and results obtained): natural resources including
Dissertation for Master's Degree (M.A.) Field: Economics: Development and Planning Abstract of Thesis (including summary, objectives, implementation methods and results obtained): SAD as one of the ancient
Dissertation for Master's Degree in General Psychology Abstract The purpose of this research is to compare methadone and buprenorphine maintenance treatments on cognitive functions by examining the role of dosage modifier. The research design is causal-comparative. The statistical population of this study includes 156 drug abusers who underwent maintenance treatment with ...
Academic Thesis for Master's Degree (M.A) in Clinical Psychology Abstract Introduction and Objective: Internet addiction is a new and widespread issue that has been the focus of researchers and experts on social issues as a behavioral addiction in recent years. The purpose of this research is to predict internet addiction based on two personality traits: attraction, immersion, ...
Dissertation for Master's Degree in Clinical Psychology Abstract: The purpose of this research was to investigate the relationship between emotional intelligence and social support with the mental health of the elderly in Bandar Abbas city. This research was a type of correlational research. The statistical population included elderly men and women (over 65 years old) of the ...
Master's Thesis of MBA Management Abstract of the current research was conducted with the aim of investigating the relationship between five-factor personality style, internet addiction and willingness to use the internet, and Semnan University was chosen as a study for this purpose. The research method is descriptive (non-experimental) and survey type, and using the obtained ...
Dissertation for Master's Degree in Psychology (M.A) Major: Clinical Abstract Objective: The objective of this research is the relationship between emotional intelligence and irrational beliefs with mental health in middle school teachers. Method: The method of this research is correlation type. The statistical population includes all male and female teachers (number of 240 ...
Dissertation for the master's degree of the Department of Psychology and Education of Exceptional Children Abstract: The purpose of the present study is to compare the executive functions of children with and without stuttering disorder. This research was of a causal-comparative type, the sample of this research includes 60 children aged 7-11, 30 normal children were selected ...
Dissertation for obtaining a master's degree in the computer field, software orientation. Abstract The increasing use of wireless sensor networks in human life shows the great importance of this technology. Energy limitation in the constituent elements of wireless sensor networks, which are sensor nodes, has always been considered as the most important challenge facing this ...
Thesis for obtaining a master's degree in the field of geography and urban planning. Abstract: Managing and guiding the movement of people and goods on the level of the roads of a city with the aim of increasing the speed, safety and reducing the cost of transportation is the most important goal of creating urban transportation systems. One of the most important infrastructures ...
Thesis for obtaining a master's degree in the field: geography, urban planning, abstract. Sustainable development is one of the concepts that has been receiving serious attention in international forums for several decades due to the negative and sometimes irreparable effects of development plans. It can be said that improvement and renovation are in harmony with the goals of ...
Master's Thesis of Business Administration, Domestic Business, Abstract: Intellectual capital is one of the most important organizational assets known in organizations today. In modern management attitudes, the use of assets such as human capital, structural capital, and communication capital plays a significant role in the development of businesses, among which banks, as one of ...
The field of natural geography, climatology trend in environmental planning Abstract: Ardabil province in the northwest of the country with its long and elongated shape has faced climatic anomalies in recent years such as: increase in temperature especially in winter season, increase in the occurrence of hot winds, increase in evaporation and transpiration potential, decrease in ...
Master's Thesis, Geography, Geomorphology, Abstract: The wide plain of Khuzestan hosts important permanent rivers, the largest of which is the Karun River. The Karun watershed is one of the largest sub-basins of Iran and a part of the main watershed of the Persian Gulf and the Oman Sea. The Karun River, with a length of about 890 kilometers, consists of four main branches, named ...
Dissertation for Master's Degree (M.A.) Direction: ""Domestic Business"" Introduction in Management Science To increase the performance of employees of an organization, various strategies have been proposed, such as increasing job satisfaction, applying continuous monitoring and implementing incentive and punishment programs, and other cases. In addition to the above solutions, ...
Dissertation for obtaining a master's degree, field: psychology, orientation: clinical, Farsi abstract. Purpose: This research was conducted with the aim of comparing family solidarity, mental health, and religious orientation in runaway and normal girls in Tehran. Method: Causal-comparative research method and its statistical population were 200 runaway and normal girls in ...
Dissertation for Master's degree in Geography and Urban Planning (M.A.) Abstract: The physical and spatial form of Kiashahr is related to specific and distinct periods. The initial core of the city was formed in the eastern part of the city and below the center of the current city, after that two other parts (Bala Mahaleh and Middle Mahaleh) which are located in the two parts ...
Dissertation for Master's Degree in Physical Education, Sports Physiology, Introduction Today, there is fierce competition between athletes in different countries to win championship titles in the Olympic, World and Continental Games, and the effort to improve the performance of athletes has made sports scientists to work more in this field and has increased research in sports ...
Thesis for obtaining a master's degree in the field: business management, specialization: insurance management. Abstract: One of the risks facing mankind is a disease that imposes a lot of medical expenses on patients. The risk of illness can be compensated through medical insurance. The purpose of the present study is to estimate the demand function of complementary health ...
Dissertation for master's degree in geography and urban planning Abstract Today, one of the most obvious problems of contemporary urban planning is the crisis of meaning, both social and physical, in place. After the victory of the Islamic Revolution, the expectation of changes in various cultural fields gradually entered the physical realms and created the desire to restore the ...
Master's Thesis Farsi Abstract: Today, with the expansion of DC consumers and non-linear loads connected to the network, the design and construction of power factor correction circuits using electronic power converters has gained special importance. With the advancement of technology, integrated circuits have come to help in this field. Due to the complexity and non-linear ...
Master's Thesis of Computer Engineering - Computer Architecture Abstract With the advancement of electronic device manufacturing technology and the cost-effectiveness of large-scale sensor networks, wireless sensor networks provide research fields with rapid growth and great interest, which have attracted a lot of attention in recent years. Large-scale wireless sensor networks ...
Dissertation for Master's Degree (M.A.) Direction: Remote Sensing and Urban and Rural Geographical Information System Abstract: Subsidence phenomenon is one of the natural disasters that causes the reduction of underground resources such as underground water, oil, etc. One of the most important causes of land subsidence is the drop in static level and increase in effective ...
Dissertation for Master's Degree (M.S.c) Field: Computer Orientation: Software Abstract Today, the use of botnets as a tool for criminal activities with a large scope in computer networks against large targets such as a country has greatly increased. Bot is a distributed environment that is used for various attacks with a large volume. For this reason, the detection of this type ...
To receive a master's degree in textile technology engineering. Abstract In the previous research, multi-sized nano-roughness was developed using nanoparticles with different sizes and different surface charges along with silicone resin coating to produce multi-purpose textiles with stable properties. In this research, the idea of ??using laser irradiation and finishing textiles ...
Master's thesis in electrical engineering, power, power trend, abstract network development planning, operation planning and finding solutions to improve the security and economic performance of the power system all require system studies. The most necessary step in conducting these studies is network modeling, which itself requires detailed information about the impedance ...
Dissertation for Master's Degree (M.A.) Major: Human Resource Management Abstract Emotional intelligence is the ability to control one's own and others' emotions and emotions, accept the views of other people and control social relationships, and it includes a wide set of skills and talents that are effective in the fate and lifestyle of people. The purpose of this research is ...
Dissertation for Master's Degree in Business Administration, Marketing, Abstract In this research, the value of rice imports for the next 5 years has been predicted using the value of imports of these products during the period of 2011-2014. To make the prediction, first, the predictability of the series was checked by the Wald-Wolfwitz ??randomness test. Then non-causal ...
Dissertation for Master's Degree in Power Direction Abstract Transmission lines protected by distance relays have limitations in the presence of series compensation. When the fault loop includes a series capacitor, the impedance seen by the distance relay is reduced. The level of compensation at any moment depends on the number of capacitors connected at that time. Therefore, ...
Abstract The main task of the synchronous generator excitation system is to provide the necessary voltage for the generator excitation winding. The excitation voltage is a dc voltage and it is used to create a flux in the excitation winding of the generator and consequently to produce a magnetic field to produce electrical energy by a synchronous generator. In the provided ...
Dissertation for Master's Degree (M.Sc Computer Engineering (Software Orientation) Abstract With the developments in networks and communication technologies, wireless networks are used more. Among them, we can refer to ad hoc networks. Due to the many applications of these networks, the need for security is very important for their proper functioning. One of the problems that ...