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3下载：
调制信号的识别，可以通过各种调制的功率谱不同来识别，但这种方法在小信噪比下，性能不好，通过循环功率谱来识别，仿真表明在小信噪比下有很好的性能-modulation signal identification, can be modulated through the power spectrum to identify different, but this approach in a small signal to noise ratio, poor performance, cycle po
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为提高语音端点检测(VAD)在较低信噪比(10 dB)下的准确率,提出一种基于短时分形维数的改进算法。结合语音信号的特点,对2种常用的语音信号分形维数计算方法进行了比较和选择,同时采用动态跟随门限值实现语音端点的自适应检测。试验结果表明:对于信噪比6~10 dB的带噪语音,此方法可以实现整段语音的检测,而且具有一定的噪声鲁棒性,系统运行期间能够自适应调整门限值以适应环境噪声的变化,提高了VAD算法的准确率。这个是源码matlab。-In order to improve voice activi
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利用I.Cohen提出的短时先验信噪比（priori SNR）估算的语音增强法，附有相应程序和文献。-I. Cohen raised by the use of short-term a priori signal to noise ratio (priori SNR) estimation of the speech enhancement method, with the corresponding procedures and documentation.
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SPEECH ENHANCEMENT BASED ON WAVELET DENOISING
Abstract: - Noise is an unwanted and inevitable interference in any form of communication. It is
non-informative and plays the role of sucking the intelligence of the original signal. Any kind of
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通过MATLAB软件；通过仿真得出性能曲线；从而比较bpsk的性能-The bit-error rate (BER) of binary phase-shift keying
in Rayleigh fading, using the Alamouti transmission scheme and
receiver selection diversity in the presence of channel-estimation
error, is studied. Closed-
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基于最大信噪比的盲源分离算法，适合初学者使用-Based on the maximum signal to noise ratio Blind source separation algorithm
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介绍了改进谱减法的原理及算法。提出在信噪比(sNR)较低的情况下，根据语音短时能量和过零率，判断在无声 或有声期间是否偶然的噪声过高，从而设定合适的参数降低噪声。-Introduced an improved spectral subtraction principles and algorithms. Proposed signal to noise ratio (sNR) lower case, according to voice short-term energy and zero-cr
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计算语音、音频信号的信噪比程序（包含音频样本文件）-Calculation of voice, audio program signal to noise ratio (including the audio sample file)
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计算信噪比的程序，很详细，可以更好的掌握信噪比的计算原理和过程-Calculate the SNR of the program in great detail, you can better grasp the principles and process of signal to noise ratio calculation
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MIMO技术，信噪比SNR和误码率BER的关系对比图像，MATLAB仿真程序代码-MIMO technology, signal-to-noise ratio SNR and bit error rate (BER) the relationship between contrast images, MATLAB simulation program code
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该资料是一个matlab仿真程序。实现对噪声中正弦信号相位的估计。利用matlab仿真得到的PDF估计 对不同的信噪比（SNR）情况进行Monte Carlo仿真-This information is a matlab simulation program. Realize sine signal phase noise estimation. Obtained by simulation using matlab PDF estimates different signal to nois
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matlab的信噪比处理代码，大家可以使用。-Signal to Noise Ratio
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用LabVIEW编制一个完整应用软件，完成以下功能：
1、产生一个正弦波，叠加一个噪声信号，从界面上可以调整噪声和信号的幅度、频率等参数，此信号作为后续分析的信号源；
2、显示信号的时域波形，点击按钮可以显示信号的幅度谱、功率谱
3、图形上可以显示光标，具有峰值跟踪功能，同时将峰值频率、幅度显示在界面上。
4、点击按钮可以计算显示信号的失真度（THD）、信噪比（SNR）、各次谐波的频率和幅度；-Preparation of a complete application using
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Signal to noise ratio implemented in wireless network for channel allocation algorithm
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