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Recently, ITS (Intelligent Transport System) has been studied actively which is useful for smooth traffic and safety drive of the various vehicles. Though the laser or imaging camera sensor was used for ITS, they have unstable performances and high complexity. Therefore, FMCW radar using millimeter wave has been proposed recently. Actually, 47, 60, 77, 94 and 139 GHz are assigned for the vehicle radar...
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,...
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