NONCOHERENT DETECTION OF NONFLUCTUATING TARGETS IN CONTAMINATED-NORMAL CLUTTER,
Abstract
Measurements of sea clutter using high-resolution radar indicate that clutter cross-section returns do not follow a Rayleigh distribution. In the report, a contaminated-normal distribution is proposed and found to be a good description of some of the clutter data taken by the high-resolution radar. The report then develops the theory necessary for detecting constant signals in contaminated-normal clutter when N pulses are summed noncoherently. Curves are presented for the threshold values, normalized to the median clutter voltage, versus the probability of false alarm for N = 1, 3, 10, and 30 pulses. Finally, probability of detection curves are presented for the previous N's and for false alarm probabilities ranging from 10.01 to 10 to the minus 9th power. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Mar 21, 1969
- Accession Number
- AD0685634
Entities
People
- Gerard V. Trunk
Organizations
- United States Naval Research Laboratory