UNIMODULAR SEQUENCE DESIGN FOR GOOD AUTOCORRELATION PROPERTIES

被引：4
|
作者：
He, Hao [1 ]
Stoica, Petre [2 ]
Li, Jian [1 ]
机构：
[1] Univ Florida, Dept Elect & Comp Engn, Gainesville, FL 32611 USA
[2] Uppsala Univ, Dept Informat Technol, S-75105 Uppsala, Sweden
来源：
2009 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, VOLS 1- 8, PROCEEDINGS | 2009年
基金：
美国国家科学基金会; 欧洲研究理事会; 瑞典研究理事会;
关键词：
Waveform design; unimodular sequences; integrated sidelobe level; merit factor; autocorrelation; POLYPHASE SEQUENCES; CODES;
D O I：
10.1109/ICASSP.2009.4960134
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
Unimodular (i.e., constant modulus) sequences with good autocorrelation properties are useful in several areas, including communications, radar and sonar. The integrated sidelobe level (ISL) is often used to express the goodness of the autocorrelation proper-ties of a given sequence. In this paper, we present several cyclic algorithms for the local minimization of ISL-related metrics. To illustrate the performance of the proposed algorithms, we present a number of examples including the design of sequences that have virtually zero autocorrelation sidelobes in a specified lag interval, and of long sequences that could hardly be handled by means of other algorithms previously suggested in the literature.
引用
收藏
页码：2517 / +
页数：2
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