Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 99 for “"TK7800-8360 Electronics"”.
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Design a high gain UWB mimo uniplanar monopole antenna with FSS array for metallic object microwave imaging
Ultra-wideband (UMB) system plays an important role in microwave imaging (MWI) applications due to its broad bandwidth, non-ionizing radiation, and cost-efficiency. this study involves the design and development phases for the optimum solution of UMB antenna's issues. In the design phase, a compact …
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Adaptive beamforming of steerable array monopole antenna for WLAN application
The modern communication systems are using smart portable devices that operate on WLAN frequency of 2.45 GHz. One of the serious limitations of handled devices is difficult to achieve a direct connection between the transmitter and receiver. Therefore, a smart steerable patter array antenna is …
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Reconfigurable phased microstrip antenna array with defected ground structure and defected microstrip structure for beam steering application
Beam steering is defined as the ability to electronically steer the beam maximum of an antenna electric field pattern to some predefined point in space. The performance of a phased antenna array for beam steering without moving the antennas is important to military and civil applications. A …
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Design of dual-input two phase dc/dc converter with modified pulse width modulation (mpwm)
Recently, hybrid energy source/renewable energy has attracted interest as the next-generation energy system capable of solving the problems of global warming and energy exhaustion caused by increasing energy consumption. Energy sources such as wind turbines and photovoltaic (PV) systems are …
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Improvement of non-uniform node deployment mechanism for corona-based wireless sensor networks
The promising technology of Wireless Sensor Networks (WSNs), lots of applications have been developed for monitoring and tracking in military, commercial, and educational environments. Imbalance energy of sensors causes significant reduction in the lifetime of the network. In corona-based Wireless …
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Development of back-to-back converter with power transfer control using raspberry Pi
… of modern technologies. With the aid of power electronics converters its able to manipulate source of power depends on its application. Rapid developments of power electronic device with integration of wide range of controller with intelligence control system have been achieved. In this …
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Performance of CDMA power control for HAPS
In parallel with terrestrial and satellite wireless networks, a new alternative based on platforms located in the stratosphere has recently introduced, known as High Altitude Platforms (HAPS). HAPS are either airships or aircraft positioned between 17 and 22.5 km above the earth surface. It has …
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Compact planar wearable ultra wideband antenna for on-body applications
The increasing growth in using body area networks (BANs), wireless personal area networks (WPANs), and medical sensors has given an interest in wearable antennas that are made for operation on the living bodies. Engineers have not stopped at creating a remarkable technology such as wearable …
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Distribution power level by GSM900 base station for RF energy harvesting
A development in nano-technology allows the creation electronic equipment operating at microwave frequency. Rectenna is a high gain antenna receiver that's good in rectifiers able to converse radio frequency (RF) energy to DC (direct current) power is an evidence of achievement in the field of …
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Localizatation estimation usign the technique of multi-sequence positioning
Wireless sensor networks (WSN) have been considered as promising tools for many location dependent applications such as area surveillance, search and rescue, mobile tracking and navigation, etc. In addition, the geographic information of sensor nodes can be critical for improving network …
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Fabrication of frequency selective structure and evaluation of microwave transmission on energy saving glass
The use of energy saving glass has become very popular in the modern day building design. This energy saving property is achieved by applying a very thin tin oxide (SnO2) coating on one side of the glass. This coating can provide good thermal insulation to the buildings by blocking infrared rays …
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UWB antenna using indium tin oxide (ITO)
Recently, the need of high data rate communication, enormously fast speed and shorter distance, the engineers and scientists had have decided to work in the larger scale of frequency resulted in the usage of ultra wide band (UWB) frequency which ranged from 3.1 GHz to 10.6 GHz. The patch antennas …
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Development of one cycle current controller using raspberry Pi for 3 phase active power filter for nonlinear load improvement
Nowadays, Power distribution systems are faces more challenging problems of nonlinear load form commercial building and domestic use. The problem occurs when every single electronic appliances or electronic power supply used rectifier as a new conversion technologies such as Switch Mode Power …
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Development of triple band planar inverted F-antenna (PIFA) for GSM 800 MHz, DCS 1800 MHz and Bluetooth 2400 MHz
A triple band Planar Inverted F-Antenna (PIFA) antenna for GSM900, DCS1800 and Blutooth2400 is presented. The antenna consists of square planar radiating patch with dual L-shaped slots suspended above the FR4 dielectric substrate. A shorting plate is employed between the top patch and the ground …
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Design of fractal minkowski diversity antenna for LTE and WIFI application
The 4th Generation (4G) in which world has recently entered and many of the bigger operators and vendors have started deploying 4G networks in different countries. 4G includes higher releases of following two standards: Wireless Interoperability Microwave Access (WiMAX) and Long Term Evolution …
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The performance evaluation of different logical topologies and their respective protocols for wireless sensor networks
Wireless sensor networks (WSNs) are at present a standout amongst the most, guaranteeing areas in the field of information and communication technologies (ICT). This new technology has boundless potential for various applications in distinctive regions, including environmental research, medical …
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Frequency selective surface (FSS) for cellular signals shelding
This thesis proposes a frequency selective surface (FSS) for interference control causes by the proliferation of mobile devices. FSS is a periodic structure etched on a dielectric substrate which acts as a spatial filter. The proposed FSS is designed as a band-stop filter to attenuate the cellular …
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Development of repetitive current controller using raspberry PI for 3 phase active power filter for nonlinear load improvement
This project is about to design the repetitive controller to compensate the distorted current in the three phase power supply by using active power filter (APF). The APF used is three phase bridge inverter which converts DC to AC waveform. The inverter use Metal Oxide Semiconductor Field Effect …
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A low power and fast CMOS arithmetic logic unit
This thesis presents the design of a low power and fast Complimentary Metal-Oxide- Semiconductor (CMOS) Arithmetic Logic Unit (ALU). ALU is one of the most important parts of a digital computer which is designed to do the arithmetic and logic operations, including bit shifting operation that need …
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Design multilayer bandpass filter using hairpin resonator for digital broadcasting
This research presents 2.52-2.65 GHz band-pass filter using multilayer hairpin resonator for digital broadcasting applications . Four-pole resonators are centered at 2.58 GHz with bandwidth of 130 MHz .This filter is simulated using Computer Simulation Technology software (CST) and Advance Design …
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