搜索资源列表
Music
- 用music方法估计功率谱，并估计信号频率和峰值-Music method estimates the power spectrum, and estimate the signal frequency and peak
Speech-processing
- 几个关于语音信号处理的源程序，语谱图、三角波频谱、高通滤波、矩形、汉明-Speech spectrum program
ar
- 用ar方法估计功率谱，并估计信号频率和峰值-Ar method estimates the power spectrum, and estimate the signal frequency and peak
melp1.2
- melp谱的计算。本程序是语音编码melp的C程序实现 -MELP spectrum calculations. This procedure is MELP speech coding procedures of the C implementation
predictive_quantization
- 使用線頻譜頻率參數作量化,而量化的方式使用非線性的方式來做預估量化-Line spectrum frequency parameters used for quantification, and quantified using non-linear way to make quantitative estimates
Chapter-3---Sampling-Quantization
- read audio signal and plot the spectrum
Chapter-3---Sampling-Quantization-2
- sampling of audio signal and plot the spectrum after sampling
dsss
- this code for direct sequence spread spectrum.. where each msg signal is spreaded by pn random sequence-this is code for direct sequence spread spectrum.. where each msg signal is spreaded by pn random sequence
gaopingtishen
- 显示了语音信号预加重前后的频谱特性，对语音的高频部分进行了提升-The speech signal that the characteristic of the frequency spectrum of before and after aggravating
pisar
- 用pisar方法估计功率谱，并估计信号频率和峰值-Music method estimates the power spectrum, and estimate the signal frequency and peak
esprit
- 用esprit方法估计功率谱，并估计信号频率和峰值-To esprit methods estimate the power spectrum, and estimate the signal frequency and peak
xinhao
- 滤波器设计 产生一个连续信号，包含低频，中频，高频分量，对其进行采样，进行频谱分析，分别设计低通，带通，高通滤波器对信号进行滤波处理，观察滤波前后信号的频谱。-The filter is designed to generate a continuous signal containing the low, mid, and high frequency components, to be sampled, for spectral analysis, respectively, to
psc
- 用于语音增强的相位谱补偿方法，效果不错。- Phase Spectrum Compensation (PSC) [1] by Stark et al. Implementation by Kamil Wojcicki, 2011
PN
- 扩频通信系统的M序列、Gold码、Walsh码的生成-M sequence spread spectrum communication system, Gold code, Walsh code generated
psd
- 用psd 函数以及对应的窗函数 得到信号功率谱-With psd function and the corresponding window function get the signal power spectrum
yuyinxinhaolupoquzao
- 本课程设计的主要目的是在MATLAB环境下，使用窗口设计法设计一个滤波器，并对语音信号进行滤波去噪。开发平台为MATLAB7.0，设计方法为窗口设计法。用麦克风采集一段语音信号，绘制波形并观察其频谱，给定相应技术指标，用凯塞窗设计一个满足指标的FIR滤波器，对该语音信号进行滤波去噪处理，比较滤波前后的波形和频谱并进行分析。在滤波前后语音信号波形的变化中，由于我们录制的语音信号噪声不大，所以观察并不明显，但在频域波形中，我们可以明显的看到设计的滤波器对语音信号进行了滤波处理，将噪声进行了滤除。此次
sub-band-coding
- 子带编码是一种以信号频谱为依据的波形编码方法，首先用一组带通滤波器将输入信号按频谱分开，然后让每路子信号通过各自的自适应PCM编码器（ADPCM）编码，经过分接和解码再复合成原始信号。-In sub-band coding is a waveform signal based on the spectrum coding method using a first set of band pass filters to separate an input signal spectrum, and
lpczl
- 通过改变想要处理的帧，和预测器阶数，对原始语音帧和预测语音帧作一个比较，并作出短时谱和lpc谱，最后作倒谱比较。-By changing the processing of the desired frame, and the predictor order, the original speech frame and the predicted speech frame to make a comparison and to make short-term spectrum and the l
shuangxianxing
- 双线性变换法设计Butterworth滤波器。分别画出滤波前和滤波后的时域图和频谱图。-Bilinear transform design Butterworth filter. Draw the pre-filter and the filtered time-domain and frequency spectrum.
Cognitive-Radio
- Spectrum sensing in cognitive radio