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1下载:
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
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Phase Based Template Matching: Phase information is used for matching the input imagery with the template. Both the images are filtered with canny edge detector. The timing efficiency is introduced by implementing skipping steps while doing correlati
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图像增强处理方法,这M文件是对加入高期噪声后应用了中值滤波,均值滤波,低通滤波等方会分别来处理的程序。-Image enhancement method, this document is to join M phase noise after the application of the high value of the filter, mean filter, low pass filtering and so on will be to deal with the procedures,
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增加相噪的程序,可以把测量结果转化为相为噪声,使用非常方便。-The program to add phase noise, the measurement results can be translated into phase noise, very convenient to use.
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交换两幅图像的相位谱,利用频域滤波消除周期噪声!-Exchange of two images of the phase spectrum, using frequency domain filtering periodic noise elimination!
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在MATLAB环境下对相位图进行噪声滤波处理,这是一个改进的新方法,滤波效果较好。-In the MATLAB environment to noise filtering processing of phase diagram, this is a new method to improve, filtering effect is better.
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在matlab环境下,对带有ESPI噪声的相位图进行滤波处理。-In the matlab environment, with phase diagram of ESPI noise filtering processing.
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