Abstract

This paper presents a new method of detecting the angular velocity of moving objects using passive interferometry. The new technique is presented using a millimeter-wave correlation interferometer to measure the angular velocity of a moving target directly, without the need for multiple looks. As the object passes through the interferometer beam pattern the frequency of the signal output is dependent on the angular velocity of the object, and a simple time-frequency analysis visually displays the angular velocity of the target. The basic theory is presented and experimental results showing the detection of a walking person are presented.

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