| 基于维特比算法解调GMSK信号分析 |
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| 引用本文： | 王玮,徐洪洲,丛培胜.基于维特比算法解调GMSK信号分析[J].海军航空工程学院学报,2008,23(1):86-88. |
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| 作者姓名： | 王玮 徐洪洲 丛培胜 |
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| 作者单位： | 1. 91550部队,辽宁,大连,116023
2. 海军航空工程学院,政治部,山东,烟台,264001 |
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| 摘 要： | 文中介绍了二进制GMSK信号带宽占用率、数据预编码方案和利用维特比算法相干解调二进制GMSK信号的调制解调方法，给出了不同BT乘积情况下解析功率谱密度和模拟误码率结果，定量分析了邻信道干扰结果。结果说明，利用维特比算法解调4GMSK信号可以在满足接收机性能的基础上简化设计。
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| 关 键 词： | 预编码 连续相位调制 高斯最小频移键控 维特比算法 |
| 文章编号： | 1673-1522(2008)01-0086-03 |
| 修稿时间： | 2007年9月3日 |
Demodulation GMSK Signal Analysis Based on Viterbi Algorithm |
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| WANG Wei,XU Hong-zhou and CONG Pei-sheng.Demodulation GMSK Signal Analysis Based on Viterbi Algorithm[J].Journal of Naval Aeronautical Engineering Institute,2008,23(1):86-88. |
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| Authors: | WANG Wei XU Hong-zhou and CONG Pei-sheng |
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| Institution: | WANG Wei, XU Hong-zhou; CONG Pei-sheng (1. The 91550^th Unit ofPLA, Dalian Liaoning 116023, China; 2. Department of Politics, NAAU, YantaiShangdong264001, China) |
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| Abstract: | In this paper, a binary GMSK signal bandwidth occupancy rate, data pre-coding scheme and modulation and demodulation method by using Viterbi algorithm to coherent demodulation binary signal were introduced. The power spectral density analysis and Bit Error Rate simulation results in the condition of different BT product were given. And the adjacent channel interference results were quantitatively analyzed. Results show the use of Viterbi algorithm to GMSK signal demodulator can simplify design on the basis of meeting the receiver performance. |
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| Keywords: | pre-coding continuous phase modulation Gaussian Minimum Shift Keying Viterbi algorithm |
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