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We present a double-parameter CFAR with very reasonable losses and low computational complexity. Its basic architecture has been conceived from tail extrapolation theory. The detector uses a detection threshold, set from the measured PFA which is obtained with an auxiliary threshold (pseudothreshold), lower than the final detection threshold. Starting from the basic scheme, a CFAR detector for Weibull...
Methods to estimate and correct slow time-variant position errors due to bad synchronization and propagation in Wide Area Multilateration Systems (WAM) are presented. The procedure does not use emitters at known locations. Instead it uses opportunity traffic emissions (from the aircraft present in coverage). The need for these methods came from the difficulty to install reference beacons that can...
The problem of optimizing the shape of the CFAR reference in airborne doppler radars is addressed. The discussion is centered on medium PRF modes in ground clutter conditions ("down-look modes"). The optimization method is based on a minimization of detection losses criterium, provided equiprobable targets in the doppler-time (speed-distance) space.
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