A New Method of Minimum Cross-entropy Spectral Estimation

Li Jian-san; Guo Yan-ying.

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A New Method of Minimum Cross-entropy Spectral Estimation

更新时间：2025-12-08

- A New Method of Minimum Cross-entropy Spectral Estimation
- Acta Electronica Sinica Issue 6, Pages: 66-71(1987)
- 作者机构：
  
  北京无线电计量测试研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：1987
- 稿件说明：
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[1]李建三,郭衍莹.一种新的最小交叉熵谱估计方法[J].电子学报,1987(06):66-71.

Li Jian-san, Guo Yan-ying.. A New Method of Minimum Cross-entropy Spectral Estimation[J]. Acta Electronica Sinica, 1987, (6): 66-71.
[1]李建三,郭衍莹.一种新的最小交叉熵谱估计方法[J].电子学报,1987(06):66-71. DOI：

Li Jian-san, Guo Yan-ying.. A New Method of Minimum Cross-entropy Spectral Estimation[J]. Acta Electronica Sinica, 1987, (6): 66-71. DOI：

摘要

1979年J.E.Shore提出的最小交叉熵谱分析法

由于运算复杂

且迄今未公布其算法

因而它的发展远不如其他普分析方法迅速。本文按Shore法及Tzannes法的准则独立地编制出了算法程序

并通过实例计算对这二种方法作出了评价。鉴于这些迭代算法过于复杂

本文提出一种新的解析和递推算法——倒谱法。计算表明

新算法的性能与前二法相似

但计算时间可大大缩短。

Abstract

The algorithms based on Shore’s and Tzannes’ principles are independently derived and compared with some numerical calculation examples. A new analytical method

Ce-pstrum method

is proposed. Numerical calculation reveals that this new method is as good as that of Shor’s and Tzannes’ （unless S/N<0 dB）

but the computer time is greatly reduced. Finally

a pratical example of estimating the fluctuation spectrum of radar transmitting signal is given.

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