数字信号处理—数字滤波
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c h a p t e r 1 Introduction to Digital Signal Processing and Digital Filtering Introductio n to Digital S ignal Processing and Digit al Filtering 11 Introduction Digital signal processing DSP refers to anything that can be done to a signal using code on a computer or DSP chip To reduce certain sinusoidal frequency components in a signal in amplitude digital filtering is done One may want to obtain the integral of a signal If the signal comes from a tachometer the integral gives the position ......
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