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本文深入研究了复杂调制信号MPSK、MQAM的倍号子类以及常用恒包络信
号OQPSK、or/4 QPSK、MSK的调制识别披本。在鳆种基本调制识别方法即基于特征提取的方法和基于最大似然的方法的纂础上采用四种算法分别对上述信号进行识别研究。-This article studies the complex modulation signals MPSK, MQAM number of times and the common sub-class of constant envelope sig
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this document present three algorithms to identify the type of modulation in digital communication.
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this document present three algorithms to identify the type of modulation in digital communication.
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this document present three algorithms to identify the type of modulation in digital communication.
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this document present three algorithms to identify the type of modulation in digital communication.
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this document present three algorithms to identify the type of modulation in digital communication.
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文中研究了6种常用数字调制信号识别的特征参数集,并采用决策树判别方法进行分类识别。仿真结果表明,在SNR≥5dB时,识别正确率在99 以上,且当SNR≥20dB时,识别正确率达到100 。其特点是,算法简单,识别正确率高,达到了自动分类识别的目的,并有利于实现识别的实时化。-In this paper, we study the set of characteristic parameters of the six kinds of commonly used digital modulatio
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阐述Hilbert变换的定义及解调原理。工程应用的结果表明, 利用Hilbert技术从复杂的
振动信号中解调故障的调制信息, 进而判断出故障齿轮的部位, 是一种可靠的故障诊断方法-On the definition of the Hilbert transform demodulation principle. The engineering application results show that the Hilbert technical failure of modulation i
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常用数字信号调制方式识别研究 对几种信号进行区分-Commonly used digital signal modulation recognition research to distinguish between several signals
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提出了一种不仅计算量小,而且可以在低信噪比下正确识别相位调制信号的方法。利用Matlab工具进行仿真,仿真结果表明,在信噪比不低于2 dB的情况下,对PSK子类调制信号的识别率可以达到93 以上。
-Proposed a method of calculating only a small amount, and can correctly identify the phase modulation signal at a low SNR. Use Matlab tool for simul
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Signal identification represents the task of a receiver
to identify the signal type and its parameters, with applications
to both military and commercial communications. In this paper,
we investigate the identification of spatial multiplexing (
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