WINDBLOWN CLUTTER SPECTRAL MEASUREMENTS
6.1 INTRODUCTION
Moving target indication (MTI) radar utilizes Doppler processing to separate small moving targets from large clutter returns. Any intrinsic motion of the clutter sources causes the clutter returns to fluctuate with time and the received clutter power to spread from zero-Doppler in the frequency domain. As a result, intrinsic clutter motion degrades and limits MTI performance. MTI design objectives can require clutter rejection in the 60- to 80-dB range or more, and can be implemented not only by using conventional fixed-parameter MTI filter design [1, 2] but also through modern adaptive Doppler-processing techniques [3–5]. However implemented, successful clutter rejection to such low ...
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