Blind Estimation of Modulation Index for Angle Modulation Signals

FONT face; Verdana; PENG Geng; HUANG Zhi-tao; JIANG Wen-li; ZHOU Yi-yu; FONT

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Blind Estimation of Modulation Index for Angle Modulation Signals

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- Blind Estimation of Modulation Index for Angle Modulation Signals
- Acta Electronica Sinica Vol. 38, Issue 4, Pages: 737-0741(2010)
- 作者机构：
  
  1. 1．海军装备研究院信息工程技术研究所,北京,102249
  2. ．国防科技大学电子科学与工程学院,湖南,长沙,410073
- 作者简介：
- 基金信息：
- DOI：
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- Published：2010
- 稿件说明：
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FONT face, Verdana, PENG Geng, et al. Blind Estimation of Modulation Index for Angle Modulation Signals[J]. Acta Electronica Sinica, 2010, 38(4): 737-0741.
DOI：

FONT face, Verdana, PENG Geng, et al. Blind Estimation of Modulation Index for Angle Modulation Signals[J]. Acta Electronica Sinica, 2010, 38(4): 737-0741. DOI：

摘要

<FONT face=Verdana>调制指数估计在角度调制信号的解调、FM／PM识别等应用中具有十分重要的意义。分析了基带为单音、PSK、FSK等信号时角度调制信号的时频结构，进而建立了信号的统一数学表达式，由此推导并提出了一种无需任何先验信息的调制指数估计方法。仿真实验表明：该方法能有效估计上述基带调制时的角度调制指数。

Abstract

<FONT face=Verdana>Modulation index estimation has important significance in demodulation

FM/PM classification of angle modulation signals

etc. First

angle modulation signals using monotone

PSK

FSK and so on as message signals

are analyzed in time and frequency domain. Then

uniform mathematical representation is constructed for angle modulation signals. Finally

a blind estimation algorithm for modulation index without any prior knowledge is deduced. Simulation results indicate that the algorithm is effective for modulation index estimation with above message signals.

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Related Institution

School of Electronic Engineering,University Electronic Science and Technology of China

National Laboratory of Information Control Technology for Communication System

School of Electronic EngineeringUniversity Electronic Science and Technology of ChinaChengduSichuan 611731China

National Laboratory of Information Control Technology for Communication SystemJiaxingZhejiang 314033China

School of Electronic Science and Engineering,National University of Defense Technology

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