Suboptimal Coherent Radar Detection in a KK-Distributed Clutter Environment

Abstract EN

The KK-Distribution is an important clutter model for high-resolution radar sea clutter returns obtained at X-band.

The Neyman-Pearson optimal KK multilook detector has been derived recently, as well as the generalised likelihood ratio test suboptimal detector.

Both these detectors are dependent on the modified Bessel-function of the second kind.

This paper suggests a suitable suboptimal approach, using a well-known Bessel identity, eliminating the Bessel function dependence.

This produces a computationally simpler detection scheme, whose performance is analysed using clutter parameters based upon real X-band radar returns.