Designing Phase Coded Waveforms with Zero Autocorrelation Zone

LI Feng-cong; ZHAO Yi-nan; QIAO Xiao-lin

doi:10.3969/j.issn.0372-2112.2013.12.028

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Designing Phase Coded Waveforms with Zero Autocorrelation Zone

更新时间：2025-07-16

- Designing Phase Coded Waveforms with Zero Autocorrelation Zone
- Acta Electronica Sinica Vol. 41, Issue 12, Pages: 2499-2502(2013)
- 作者机构：
  
  哈尔滨工业大学电子与信息工程学院,黑龙江,哈尔滨,150001
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0372-2112.2013.12.028
  CLC： TN957.51
- Published：2013
- 稿件说明：
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LI Feng-cong, ZHAO Yi-nan, QIAO Xiao-lin. Designing Phase Coded Waveforms with Zero Autocorrelation Zone[J]. Acta Electronica Sinica, 2013, 41(12): 2499-2502.
DOI：

LI Feng-cong, ZHAO Yi-nan, QIAO Xiao-lin. Designing Phase Coded Waveforms with Zero Autocorrelation Zone[J]. Acta Electronica Sinica, 2013, 41(12): 2499-2502. DOI： 10.3969/j.issn.0372-2112.2013.12.028.

摘要

本文研究在设定区间具有极低自相关幅值的相位编码波形设计方法，可用于雷达、声呐和通信系统进行干扰抑制和信号同步等.提出了一种基于功率谱逼近的波形设计算法.根据自相关与功率谱的傅立叶变换对关系，将自相关设计指标转换为功率谱设计指标；利用时、频域交替变换投影方法，且在迭代过程中动态构造理想序列功率谱，使设计波形的功率谱逐步逼近理想波形的功率谱，最终实现所期望的波形.与通用的非线性规划相比，该算法无需计算导数，内存消耗小，且迭代过程可由FFT高效实现.

Abstract

This paper discusses the design of phase coded waveforms with ultra-low autocorrelation sidelobes in desired intervals.These waveforms can be used as interference suppression and signal synchronization waveforms for radar

sonar and communication systems.An algorithm based on power spectral density (PSD) approximation is proposed.According to the relationship between aperiodic autocorrelation sequence and the waveform PSD

the autocorrelation design object is translated into a PSD design object.The method transforms and projects the design waveform in the time and the frequency domain iteratively.Thus the PSD of the design waveform approximates the ideal PSD iteratively in order to generate the desired waveform.Compared with the general nonlinear programming methods

this method is derivative-free

thus requires less computer memory

and the iteration can be implemented by FFT efficiently.

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