Multi-PRI Signal Processing for the Terminal Doppler Weather Radar. Part II: Range–Velocity Ambiguity Mitigation-Reference-Cited by-同舟云学术

Multi-PRI Signal Processing for the Terminal Doppler Weather Radar. Part II: Range–Velocity Ambiguity Mitigation

Published:2005-10-01 Issue:10 Volume:22 Page:1507-1519
ISSN:1520-0426
Container-title:Journal of Atmospheric and Oceanic Technology
language:en
Short-container-title:

Author:

Cho John Y. N.¹

Affiliation:

1. Lincoln Laboratory, Massachusetts Institute of Technology, Lexington, Massachusetts

Abstract

Abstract Multiple pulse-repetition interval (multi-PRI) transmission is part of an adaptive signal transmission and processing algorithm being developed to combat range–velocity (RV) ambiguity for the Terminal Doppler Weather Radar (TDWR). In Part I of this two-part paper, an adaptive clutter filtering procedure that yields low biases in the moments estimates was presented. In this part, algorithms for simultaneously providing range-overlay protection and velocity dealiasing using multi-PRI signal transmission and processing are presented. The effectiveness of the multi-PRI RV ambiguity mitigation scheme is demonstrated using simulated and real weather radar data, with excellent results. Combined with the adaptive clutter filter, this technique will be used within the larger context of an adaptive signal transmission and processing scheme in which phase-code processing will be a complementary alternative.

Publisher

American Meteorological Society

Subject

Atmospheric Science,Ocean Engineering

Link

http://journals.ametsoc.org/jtech/article-pdf/22/10/1507/3323706/jtech1805_1.pdf

Reference20 articles.

1. A general weighted median filter structure admitting negative weights.;Arce;IEEE Trans. Signal Processing,1998

2. Cho, J. Y. N. , 2003: Evaluation of TDWR range–ambiguity mitigation techniques. Project Rep. ATC-310, MIT Lincoln Laboratory, Lexington, MA, 47 pp.

3. Multi-PRI signal processing for the Terminal Doppler Weather Radar. Part I: Clutter filtering.;Cho;J. Atmos. Oceanic Technol.,2005

4. Cho, J. Y. N., G. R.Elkin, and N. G.Parker, 2003: Range–velocity ambiguity mitigation schemes for the enhanced Terminal Doppler Weather Radar. Preprints, 31st Conf. on Radar Meteorology, Seattle, WA, Amer. Meteor. Soc., 463–466.

5. Cho, J. Y. N., N. G.Parker, and G. R.Elkin, 2004: Improved range–velocity ambiguity mitigation for the Terminal Doppler Weather Radar. Preprints, 11th Conf. on Aviation, Range, and Aerospace Meteorology, Hyannis, MA, Amer. Meteor. Soc., CD-ROM, 5.4.

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