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Target detection trials with a millimeter wave radar system

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3 Author(s)
Ruoskanen, J. ; Defense Forces Tech. Res. Inst., Riihimaki, Finland ; Eskelinen, Pekka ; Heikkila, H.

Unobstructed, large RCS targets, similar radar targets surrounded by moving foliage, and small targets in severe clutter have been used as test cases for two pre-processing algorithms and several threshold levels in an experimental millimeter wave radar system. The rather conventional "six-out-of-eight" pulse radar selection method with binary output has been compared to an algorithm that accepts a target if the pre-defined trigger level is crossed by the average of the eight consecutive pulses. In this case, however, the output is an analog value corresponding to the relative average video amplitude. In terms of plotted video, this process seems to give a slightly better combination of false alarm rate and detection probability. Large targets are easier to detect from foliage clutter with the conventional method.

Published in:

Aerospace and Electronic Systems Magazine, IEEE  (Volume:18 ,  Issue: 11 )