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chengxu 按心电信号画出信号时域波形和频谱图
- 1．找点一段心电信号，画出信号时域波形和频谱图； 2. 利用MATLAB中的随机函数产生噪声加入到心电信号中，使心电信号被污染，读出污染后的号并画出对应信号的时域波形和频谱图； 3．用双线性变换法设计一个Butterworth带通滤波器，输出所设计的滤波器的阶次，分子、分母多项式的系数，画出滤波器的频率响应（幅频响应和相频响应）曲线；（也可以根据自己需要设置滤波器性能指标） 带通通滤波器设计性能指标：fs1=10Hz, fp1=20Hz, fp1=1000Hz, fs2=120
txlb
- 数字图像处理中的滤波和傅里叶压缩，包括理想低通滤波器，巴特沃茨高通滤波器，高斯带通滤波器，高斯带阻滤波器，FFT图像压缩。附原图像和处理后的图像截图。-Digital image processing in filtering and Fourier compression, including the design of an ideal low-pass filter, design Batewoci high-pass filter, bandpass filter design Gaus
filter
- ％ y=filter(sig,fmin,fmax) ％ 对信号进行理想滤波，可完成低通，带通 ％ sig为被滤波信号 ％ fmin为下限频率，当fmin为0时为低通滤波器，当fmin>0时，为带通滤波器 ％ fmax为上限频率，fmax>fmin ％ fs为信号的采样频率 ％ y为经过滤波后的信号 -％ Y = filter (sig, fmin, fmax)％ of the ideal signal filtering, to be com
codes
- The File Contains 5 Other Source Codes include, bandpass Butterworth Filter, Gabor Bank, RGB to HLS Conversion, Image Filtering in Frequency Domain and Hough transform. I hope that s enough to make me a member. Regards. Zizi.
bandpass
- a matlab code for bandpass filtering in primery editing seismic trace after aqusation
ssd7
- Fir Filtering by making use of the FIR1 filter function in Matlab. Low-pass filter, high pass filter, bandpass filters
Baseline-Filters-ECG
- This Matlab program filters the baseline drift in ECG signals using different techniques: - median filtering - moving average filtering - first order Kalman Smoother Filter - first order zero-phase Lowpass filter - Bandpass filter using