A methodology for characterizing phase noise in modulated radar waveforms: an alternative 'terrain' characterization method

John E. Gray; Stephen R. Addison

doi:10.1117/12.543139

12 August 2004 A methodology for characterizing phase noise in modulated radar waveforms: an alternative 'terrain' characterization method

John E. Gray, Stephen R. Addison

Author Affiliations +

Proceedings Volume 5410, Radar Sensor Technology VIII and Passive Millimeter-Wave Imaging Technology VII; (2004) https://doi.org/10.1117/12.543139
Event: Defense and Security, 2004, Orlando, Florida, United States

Abstract

The problem of modulated noise first arose in Lord Rayleigh's investigations of acoustical backscatter off of rough sea surfaces. The same problem occurs in radar when the electromagnetic waveform takes an indirect return or transmit path to a scatterer (target) and then is received as a noise corrupted signal at the radar receiver. The effect is to produce modulated noise on the return signal. While most texts have a tendency to model the effect of noise as purely additive, it is more properly modeled as modulated noise. Recent work by the authors allow one to statistically characterize the effect of modulated noise on the received signal. This has some implications for phenomenology on being able to characterize radar backscatter from land, sea, weather as well as the implications for improved signal processing.

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John E. Gray and Stephen R. Addison "A methodology for characterizing phase noise in modulated radar waveforms: an alternative 'terrain' characterization method", Proc. SPIE 5410, Radar Sensor Technology VIII and Passive Millimeter-Wave Imaging Technology VII, (12 August 2004); https://doi.org/10.1117/12.543139

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