Resolution And Accuracy, Ambiguity And Anomaly For Range-Spread Speckle Targets

Jeffrey H. Shapiro

doi:10.1117/12.935907

13 December 1983 Resolution And Accuracy, Ambiguity And Anomaly For Range-Spread Speckle Targets

Jeffrey H. Shapiro

Proceedings Volume 0415, Coherent Infrared Radar Systems and Applications II; (1983) https://doi.org/10.1117/12.935907
Event: 1983 Technical Symposium East, 1983, Arlington, United States

Abstract

Coherent laser radars used for 3-D imaging and aerosol/pollutant sensing collect target returns which comprise a range-spread speckle process. This paper addresses a class of waveform design/waveform evaluation problems for such radars. The maximum-likelihood (ML) processors and Cramer-Rao (CR) performance bounds are developed for short pulse, chirped pulse, sinusoidal amplitude-modulated pulse, and sinusoidal frequency-modulated pulse wave-forms. All four of these waveforms are shown to have nearly identical ultimate range accuracies. However, range accuracy is not the only performance criterion of interest; range resolution, ambiguity, and anomaly must also be considered. Analysis and discussion of some of these aspects of waveform selection are included in the paper.

Citation Download Citation

Jeffrey H. Shapiro "Resolution And Accuracy, Ambiguity And Anomaly For Range-Spread Speckle Targets", Proc. SPIE 0415, Coherent Infrared Radar Systems and Applications II, (13 December 1983); https://doi.org/10.1117/12.935907

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