A Comparison of Average Likelihood and Maximum Likelihood Ratio Tests for Detecting Radar Targets of Unknown Doppler Frequency

by L. E. Brennan, I. S. Reed, William Sollfrey

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Performance of the average likelihood and the maximum likelihood ratio tests is compared in detecting a slowly fluctuating target with a Rayleigh amplitude distribution and unknown doppler frequency. The study concludes that since the performance of the two tests does not differ significantly, implementation of the more complex average likelihood ratio detector is not warranted in search radars for the assumed target model.

This report is part of the RAND Corporation research memorandum series. The Research Memorandum was a product of the RAND Corporation from 1948 to 1973 that represented working papers meant to report current results of RAND research to appropriate audiences.

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