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3Matlab
- 程序代码说明 P0301:数字图像矩阵数据的显示及其傅立叶变换 P0302:二维离散余弦变换的图像压缩 P0303:采用灰度变换的方法增强图像的对比度 P0304:直方图均匀化 P0305:模拟图像受高斯白噪声和椒盐噪声的影响 P0306:采用二维中值滤波函数medfilt2对受椒盐噪声干扰的图像滤波 P0307:采用MATLAB中的函数filter2对受噪声干扰的图像进行均值滤波 P0308:图像的自适应魏纳滤波
心电信号加入0.5Hz的基线漂移
- 心电信号加入0.5Hz的基线漂移,通过0.5Hz高通滤波器,滤波后的波形与原波形的对比 ,滤波器特性曲线分析;信号加入50Hz工频漂移,通过50Hz陷波器,滤波后的波形与原波形的对比 ,滤波器特性曲线分析,ECG baseline drift by adding 0.5Hz, 0.5Hz through a high-pass filter, filtering of the waveform after the comparison with the original waveform, fi
DSP1.zip
- 1)生成2KHz和8KHz的混合信号,使该信号通过上述滤波器,观察滤波前后的波形变化和频谱分布情况。 2) 在改信号中加入高斯白噪声,观察滤波前后的波形变化和频谱分布情况3) 将上述滤波器改为中心频率为100KHz的带通滤波器,信号源为带外的90KHz和带内的100KHz的混合正弦信号,。 4) 用M文件实现上述低通滤波器。 ,1) 2KHz and 8KHz to generate the mixed-signal, so that the signal through the abov
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
filter
- 滤波器,对波形进行低通和高通等滤波。也可以设置所要截断的频率。-A filter whose transfer function is matched with the frequency spectrum function of input signal.
00648086
- 音频信号处理,主要完成对于音频信号的滤波,内含自己编写的低通、高通和带组数字滤波器源码-Audio signal processing, mainly to complete the filtering for audio signals, including the preparation of their own low-pass, high-pass digital filter and source code with group
filter
- 对高斯噪声进行低通滤波,对比前后结果,观察滤波器的平滑作用-Gaussion noise low frequency filter
IIR
- matlab IIR 低通,高通和带通滤波器完整程序,本人花了好多时间自己写的,有滤波前后图形对比!-matlab IIR filters and low-pass,high-pass and band-pass filter the full process, I spent a lot of time to write my own, there is before and after the graphic correlation filter!
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
CP0201
- 主要以巴特沃斯高通滤波器来实现通信信号的滤波(The filter is mainly based on Butterworth high pass filter)
fft
- 快速傅里叶变换,高通滤波,低通滤波,可有效进行对不同频段滤波处理,提高数据稳定性。(Fast Fourier transform, high pass filter, low pass filter)
3836777
- 滤波器,对波形进行低通和高通等滤波,也可以设置所要截断的频率,()