Now showing items 251-260 of 278
Development of an Improved RF Band-Pass Filter using CSRR Metamaterial Structures on an LCP Substrate
For over a decade, academic exploration into the emerging field of metamaterial technology has resulted in advancements in the design of myriad devices such as oscillators, antennas, transmission lines, superlenses, and ...
Real-Time Vehicle License Plate Detection and Tracking Using Multilayer Back-Propagation Neural Networks with and without Hough Transform
There are many applications of vehicle tag detection systems using image properties, which include image density, corner detection and blob analysis but using neural networks in real time for both detection and tracking ...
A MEMS Current Sensor Utilizing NdFeB Magnets
The need for a current sensor in a 12V-1V DC-DC converter is discussed. Background topics of current sensing in DC-DC converters and magnetic MEMS are discussed. An iterative design process for a MEMS current sensor ...
Mextram Bipolar Transistor Model Parameter Extraction Using Python
This work implements Mextram 504 parameter extraction using python. A 50 GHz SiGe HBT is used to demonstrate e ectiveness of this developed extraction program. Comparisons with results extracted using built-in mextram ...
Analysis, Design and Construction of an LLC Resonant Converter
The trend in DC/DC converters development is toward higher frequency, power density and efficiency. The traditional hard-switched converter is limited in switching frequency and power density. The phase-shift full-bridge ...
Preemptive Self-healing System (PSS) Against Rogue AP
Rogue Access Points (APs) are critical threats in the information infrastructure. Once victim’s devices connect to Rogue APs, adversary can launch multiple stage attacks (e.g. Memory-Scraping). Traditional defense methods ...
Comparison of Derivative Free Algorithms in Optimization High Dimension Problems
Gradient free optimization algorithms are often used when gradient information of a function is not available or it is difficult and costly to obtain or estimate. Many kinds of derivative free algorithms are used in the ...
Circuit Simulator Based Mextram Parameter Extraction of SiGe HBTs
This work implements Mextram 504 parameter extraction using ICCAP and ADS simulator. A 50 GHz SiGe HBT is used. Results show a whole procedure of parameter extraction with temperature scaling.
Stress Analysis in Bipolar Transistors
Stress effects in semiconductor devices have gained significant attention in semiconductor industry nowadays. Stress effect in semiconductor devices is used as a beneficial effect in sensor applications and strain engineering ...
The Extent and Limitations of Correlating Measured Interharmonics and Measured Voltage Fluctuations
Amplitude modulation is a well-known cause of voltage fluctuations resulting in luminous lamp flicker. Amplitude modulation can be more generally quantified in terms of interharmonics. The theoretical correlation between ...