A new millimeter-wave step-frequency radar sensor for distance measurement
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A new compact millimeter-wave distance-measurement sensor prototype has been developed. The sensor is a step-frequency radar implemented using coherent heterodyne technique. It operates in Ka-band (26.5-40 GHz) and is realized using MICs and MMICs. The sensor transmits sinusoidal signals of incremental frequencies and demodulates the received signals into base-band I/Q Signals for processing. Experimental results show that the sensor is capable of measuring distance with less than 0.2 inch of absolute error and a low transmitted power of only -20 3 dBm.
IEEE Microwave and Wireless Components Letters
author list (cited authors)
Joongsuk Park, .., & Cam Nguyen.