Doppler resilient Golay complementary waveforms

被引：189

作者：

Pezeshki, Ali ^{[1
]}

Calderbank, A. Robert ^{[1
]}

Moran, William ^{[2
]}

Howard, Stephen D. ^{[3
]}

机构：

[1] Princeton Univ, Program Appl & Computat Math, Princeton, NJ 08544 USA

[2] Univ Melbourne, Dept Elect Engn & Comp Sci, Melbourne, Vic 3010, Australia

[3] Def Sci & Technol Org, Edinburgh 5111, Australia

来源：

IEEE TRANSACTIONS ON INFORMATION THEORY | 2008年 / 54卷 / 09期

基金：

美国国家科学基金会;

关键词：

ambiguity function; Doppler resilient waveforms; Golay complementary sequences; Proubet-Thue-Morse sequence; radar polarimetry; range sidelobe suppression;

D O I：

10.1109/TIT.2008.928292

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

We describe a method of constructing a sequence (pulse train) of phase-coded waveforms, for which the ambiguity function is free of range sidelobes along modest Doppler shifts. The constituent waveforms are Golay complementary waveform's which have ideal ambiguity along the zero Doppler axis but are sensitive to nonzero Doppler shifts. We extend this construction to multiple dimensions, in particular to radar polarimetry, where the two dimensions are realized by orthogonal polarizations. Here we determine a sequence of two-by-two Alamouti matrices where the entries involve Golay pairs and for which the range sidelobes associated with a matrix-valued ambiguity function vanish at modest Doppler shifts. The Prouhet-Thue-Morse sequence plays a key role in the construction of Doppler resilient sequences of Golay complementary waveforms.

引用

页码：4254 / 4266

页数：13

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