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Description: MATLAB代码,利用语音信号的短时能量与短时过零率来达到自动检测语音的起止点。效果不错.-MATLAB code, the use of short-time speech signal energy and zero-crossing rate of short-term to achieve automatic detection of the beginning and ending point of speech. Good results.
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Size: 1024 |
Author: 李茉 |
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Description: 基于非线性能量算子的信号解调MATLAB实现-Nonlinear energy operator based signal demodulation realize MATLAB
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Size: 59392 |
Author: dongyu |
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Description: 语音信号的短时分析，主要包括：分帧、短时能量、短时平均幅度、短时过零率、短时自相关函数、短时幅度差、倒谱、复倒谱、lpc系数、lpc谱估计等
绝对保证质量，是保研后导师布置的一些基础程序-Short-time speech signal analysis, mainly including: sub-frame, short-time energy, short-term average, short-time zero-crossing rate, short-time auto-correlation function, short-term rate of poor cepstrum, complex cepstrum, lpc coefficients, lpc spectral estimation, such as an absolute guarantee that the quality of instructors is the security arrangement after the inquest some of the basis of procedures
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Size: 6144 |
Author: 云鹏 |
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Description: 根据图像小波分解的特点和小波分解后高频小波系数的统计特性,构造了一种新阈值函数的去噪算法。
与传统的硬阈值、软阈值函数相比,新阈值函数考虑了图像能量分布的特点,对于每一小波系数乘以一个与自身大小相
关的降噪因子,并且新阈值函数简单易于计算,具有较强的自适应性-According to the characteristics of image wavelet decomposition and wavelet decomposition after the high-frequency statistical characteristics of wavelet coefficients, construct a new threshold function of the denoising algorithm. With the traditional hard threshold and soft threshold function, the new threshold function takes into account the characteristics of the image energy distribution, for each wavelet coefficient multiplied by a size associated with self-noise factor, and the new threshold function simple easy calculation, has a strong self-adaptability
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Size: 276480 |
Author: wang |
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Description: 对语音信号的进行分帧，短时能量计算，过零检测计算，设置门限-Voice signal on the conduct of sub-frame, short-time energy calculation, zero-crossing detection, the set threshold
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Size: 1024 |
Author: liguang |
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Description: FDTD算法计算二维光子晶体能带和传输谱-FDTD algorithm for computing two-dimensional photonic crystal energy band and the transmission spectrum
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Size: 16384 |
Author: viv |
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Description: 利用同一密钥的混沌序列对经过置乱的水印信息实现双重加密，考虑小波变换的能量分布问题，把水印信息嵌入低频系数中，确保水印信息的可靠性。提取时利用图像复原方法实现盲检测。-Using the same key after a chaotic sequence of scrambling the watermark information to achieve the double encryption, consider the wavelet energy distribution problem, the watermark information embedded in low-frequency coefficients to ensure the reliability of watermark information. Extracted using image restoration method to achieve blind detection.
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Size: 625664 |
Author: 王宇 |
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Description: 语音信号的时域处理，有短时能量，短时平均幅度，短时过零率和短时自相关函数。-Speech signal time-domain treatment, a short-time energy, short-term average, short-time zero-crossing rate and short-time auto-correlation function.
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Size: 1024 |
Author: 张婷婷 |
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Description: 基于区域的小波变换融合方法，主要是基于区域能量、区域方差、区域最大这几种方法。-Region-based wavelet transform fusion method is mainly based on regional energy, regional variance, the largest in this region several ways.
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Size: 1024 |
Author: lieutenant |
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Description: 根据小波变换和噪声信号地能量分布特性，提出了一种先用小波变换对含噪图像进行多尺度分解，求出各尺度小波变换高频系数地噪声方差和阈值，利用各尺度地阈值对高频系数进行处理，然后利用小波变换系数重构图像，实现图像降噪地方法。-According to wavelet transform and noise signal and energy distribution characteristics, a first wavelet transform of the noisy image multiscale decomposition, obtained the high-frequency-scale wavelet transform coefficients and noise variance and thresholds, using the scale to the threshold value of the deal with high-frequency coefficients, and then the use of wavelet transform coefficients reconstructed image, to realize image denoising methods.
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Size: 519168 |
Author: wangrui |
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Description: Speech analysis and parameter extraction Short-term analysis, frames and windows Time-domain analysis: energy, zero-crossings, statistic parameters, autocorrelation
Frequency-domain analysis: spectra and spectrograms Cepstral analysis Linear prediction analysis Pitch and formant estimation
to run the application please tape menu
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Size: 2220032 |
Author: 栗子 |
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Description: 无线传感器网络成簇仿真，考虑能量消耗问题，节点死亡状态分析-Clustered wireless sensor network simulation, consider the issue of energy consumption, node death of state analysis
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Size: 2048 |
Author: 底欣 |
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Description: 考虑能量消耗的无线传感器网络LEACH路由协议仿真。-Consider the energy consumption of wireless sensor network routing protocol LEACH simulation.
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Size: 2048 |
Author: 底欣 |
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Description: matlab的关于语音分帧算法，可以用来计算短时能量等等～-matlab on the voice sub-frame algorithm, can be used to calculate the short-time energy, etc. ~
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Size: 1024 |
Author: yinxk |
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Description: 在matlab下对无线传感器网络进行仿真，这是对基于选票分簇算法能量消耗的研究，里面有注释很明了。-In matlab on wireless sensor network simulation, this is a clustering algorithm based on the votes energy research, there are very clear notes.
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Size: 4096 |
Author: 王琳 |
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Description: pwe计算方形格子二维光子晶体线缺陷能带的matlab源代码-PWE calculation of two-dimensional square lattice photonic crystal line defect energy band of matlab source code
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Size: 2048 |
Author: 喻波 |
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Description: 自己写的信噪比计算工具snr2.m
snr2(s2ana,fs,f0,fl,fh,bl,bh)
s2ana: 待分析信号
fs:采样频率
f0:信号频率
[fl,fh]:信号能量分散带-Their signal to noise ratio calculation tool written in snr2.m snr2 (s2ana, fs, f0, fl, fh, bl, bh) s2ana: to be analyzed signal fs: sampling frequency f0: signal frequency [fl, fh]: the signal with energy dispersive
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Size: 1024 |
Author: 张鸿 |
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Description: 无线传感器网络的可靠路由算法，可以选择保证可靠性条件下的最小能耗路由-Reliable wireless sensor network routing algorithm, you can choose to ensure reliability under the condition of minimum energy routing
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Size: 474112 |
Author: 陈永锐 |
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Description: 语音信号的端点检测matlab程序，利用短时平均能量和短时平均过零率判断语音端点的起始。还有语音信号信噪比的计算程序。-Endpoint detection of speech signal matlab procedures, take advantage of short-time energy and short-time average zero-crossing rate of the average voice activity to determine the start. There are voice signal SNR calculation procedures.
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Size: 1024 |
Author: 高金枝 |
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Description: matlab实现对声音信号短时能量，短时过零率的计算。-matlab voice signals to achieve short-term energy, zero-crossing rate of short-term calculations.
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Size: 1024 |
Author: 汪小芬 |
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