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Direction estimation of signal of interest has been an important issue in radar and communication system. Generally, DOA(Direction Of Arrival) methods have been researched in the field of signal processing with ideal array sensors. However, there are some problems in array antennas such as the input signal distortions in amplitude and phase, due to the mutual coupling between array elements. Therefore,...
Recently, the number of obesity treatments has been gradually increased since more and more people has suffered from the obesity due to many reasons in modern society such as lack of exercise, overeating and so on. There have been developed many treatment methods using EM techniques at extreme frequency ranges (ELF or optical frequency). One of the disadvantages of these techniques is that it takes...
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