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tiaozhishibiedezongshu
- 关于调制识别的新方法软件无线电的很应该看看,很有启发
sasdw.rar
- 现有数字信号自动调制识别方法大多只适用于无记忆信号,如PSK、ASK、FSK信号等。将有记忆 信号(MSK信号)和无记忆信号一起考虑,提出了一种改进的数字信号自动识别方法。该方法采用信号的瞬时统 计量作为特征参数,采用多层神经网络作为分类器。计算机仿真表明:当噪声采用高斯白噪声,并且信噪比大于 l5 dB时,识别率高于96% ;当信噪比不低于l0 dB时,识别率不低于90%。,Existing digital signal automatic modulation recognition
icassp99
- 利用时-频方法实现调制信号的识别,并给出正确识别率-CLASSIFICATION OF MODULATION MODES USING TIME-FREQUENCY METHODS
MPSKQAM
- 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
jcsb
- 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
MPSK-modulation-identification
- 阐述了现有的关于 信号调制识别的方法及其优缺点,并分析了国内外 信号的调制识别研究的现状及其发展趋势-Elaborated on the signal modulation recognition method and its advantages and disadvantages, and the analysis of signal modulation recognition of domestic and foreign research status quo and developm
non-Gaussian-noise-Identification
- 该文提出一种基于广义分数阶傅里叶变换和分数低阶Wigner-Ville 分布的数字调制识别新方法,该方法提取广义分数阶傅里叶变换的零 中心归一化瞬时幅度谱密度的最大值和分数低阶Wigner-Ville 分布幅度的最大值作为识别特征参数,并采用判决树分类器,实现了非高斯噪声下数字调制信号识别。-This paper presents a generalized fractional Fourier transform and fractional lower order Wigner-Vill
BPSK_QPSK_OQPSK_UQPSK
- BPSK_QPSK与OQPSK_UQPSK调制识别方法初探-BPSK_QPSK and OQPSK_UQPSK Method of Modulation Identification
1
- 基于谱分析的一种数字调相信号调制方式识别方法-A digital spectral analysis of phase-modulated signal modulation recognition method based on
PSKmodulation
- 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
sky
- 无线电信号调试方式识别基于决策论方法的调制方式识别算法及仿真程序参考-Debug mode radio signal modulation recognition based on decision theory approach recognition algorithm and simulation program reference
yui_qe67
- 使用高阶累积量对MPSK信号进行调制识别,sar图像去噪的几种新的方法,实现了对10个数字音的识别程。- Using high-order cumulants of MPSK signal modulation recognition, Several new methods sar image denoising, Realization of 10 digital audio recognition progra.
knbxr
- 用谱方法计算流体力学一些流动现象的整体稳定性,Gabor小波变换与PCA的人脸识别代码,随机调制信号下的模拟ppm。- Spectral methods of computational fluid dynamics flow of some of the overall stability of the phenomenon, Gabor wavelet transform and PCA face recognition code, Random ppm modulated analog s
1227
- 空间目标识别,采用PM算法,连续相位调制信号(CPM)产生,该函数用来计算任意函数的一阶偏导数(数值方法)。- Space target recognition algorithm using PM, Continuous phase modulation signal (CPM) to produce, This function is used to calculate the arbitrary function of the first order partial derivative
mmxee
- 具有丰富的参数选项,使用高阶累积量对MPSK信号进行调制识别,比较了软阈值,硬阈值及当今各种阈值计算方法。- It has a wealth of parameter options, Using high-order cumulants of MPSK signal modulation recognition, Comparison of soft threshold and hard threshold and today various threshold calculation met
卫星通信中数字调相信号调制方式识别方法研究
- 针对数字卫星常用的 7 种通信信号调制方式(QPSK、8PSK、16QAM、32QAM、64QAM、16APSK、32APSK),对零中心归一化瞬时幅度谱密度最大值、四次方谱、幅度、高阶累积量四种特征参数进行了分析,提出了一种联合特征参数的信号调制识别方法.(Aiming at seven communication signal modulation modes commonly used in digital satellite (QPSK, 8PSK, 16QAM, 32QAM, 64QA