Realization and Optimization of Hilbert Based on Modulation Recognition of Communication Signals

ZHAO Xiao-di; FENG Quan-yuan

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Realization and Optimization of Hilbert Based on Modulation Recognition of Communication Signals

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- Realization and Optimization of Hilbert Based on Modulation Recognition of Communication Signals
- Vol. 27, Issue 7, Pages: 149-152(2010)
- 作者机构：
  
  西南交通大学信息科学与技术学院,四川,成都,610031
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2010
- 稿件说明：
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赵晓迪, 冯全源. 基于调制信号识别的希尔伯特变换实现及优化[J]. 微电子学与计算机, 2010, 27(7): 149-152.

ZHAO Xiao-di, FENG Quan-yuan. Realization and Optimization of Hilbert Based on Modulation Recognition of Communication Signals[J]. 2010, 27(7): 149-152.
赵晓迪, 冯全源. 基于调制信号识别的希尔伯特变换实现及优化[J]. 微电子学与计算机, 2010, 27(7): 149-152. DOI：

ZHAO Xiao-di, FENG Quan-yuan. Realization and Optimization of Hilbert Based on Modulation Recognition of Communication Signals[J]. 2010, 27(7): 149-152. DOI：

摘要

信号瞬时特征量来源于信号希尔伯特变换后的解析信号

要获取信号的完整信息

需要对信号进行精确而高速的希尔伯特变换.鉴于实时处理和高精度的要求

文中从算法和硬件结构上

对离散希尔伯特变换进行了优化

保证变换精度的同时将硬件乘法和加法计算量降低约50%

并且给出了硬件系统实现方案.仿真验证表明

变换后信号能正确提取出调制信号的瞬时特征.该算法能用于实时的信号调制识别系统之中.

Abstract

Instant character parameter of signals derives from the analytic signals after hilbert transformation

the capture of complete information of signals request exact and high-speed hilbert transformation. This paper optimizes hilbert transformation with both algorithm and hardware structure as a result of 50% resource saved and validation of emulator is done. It is realized the algorithms can be used in real-time system of signals modulation recognition.

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