Antenna A b s t r a c t Triangular coupler We have developed a 60-GHz FM-CW radar module that generates sidebands by switching a HEMT front-end. Our module also uses FM-AM conversion j heterodyne detection for FM-AM conversion noise noise reduction. The module's signal to noise Antenna ratio was 20 dB better than a previously Beat signal Mixer designed homodyne FM-CW radar module.
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