Phase-Modulated Waveform Evaluation and Selection Strategy in Compound-Gaussian Clutter

Author

Tianxian Zhang ; Guolong Cui ; Lingjiang Kong ; Wei Yi ; Xiaobo Yang

Author_Institution

Sch. of Electron. Eng., Univ. of Electron. Sci. & Technol. of China, Chengdu, China

Volume

61

Issue

5

fYear

2013

fDate

1-Mar-13

Firstpage

1143

Lastpage

1148

Abstract

This correspondence introduces a waveform evaluation and selection strategy (ESS) for application of optimized phase-modulated (PM) waveforms to mitigate compound-Gaussian clutter in radar. This strategy addresses the trade-off between potential improvement in detection performance from adaptive design of PM waveforms and the cost this entails in terms of system resources. An evaluation factor is introduced to quantify the performance improvement obtained by design and transmission of an optimized PM waveform in the second sub-dwell of a two-stage clutter mitigation scheme versus using linear frequency modulated (LFM) waveform in a sub-dwell. This evaluation factor provides the basis for the proposed ESS, the efficacy of which is demonstrated in simulations.

Keywords

FM radar; Gaussian processes; phase modulation; radar clutter; radar detection; waveform analysis; ESS; LFM; adaptive PM waveform design; compound-Gaussian clutter mitigation; evaluation factor; linear frequency modulation; phase-modulated waveform evaluation-selection strategy; radar; two-stage clutter mitigation scheme; Adaptive systems; Clutter; Radar clutter; Radar detection; Thyristors; Vectors; Compound-Gaussian clutter; evaluation and selection strategy; evaluation factor; phase-modulated waveform;

fLanguage

English

Journal_Title

Signal Processing, IEEE Transactions on

Publisher

ieee

ISSN

1053-587X

Type

jour

DOI

10.1109/TSP.2012.2232659

Filename

6375854