Description: One of the applications of digital signal processing to remove noise from the signal with additive noise. Existing noise pollution signal x [k] = s [k] the+d [k], where: the original signal d [k] uniformly distributed white noise. (1), respectively, to produce a 50-point sequence s [k] white noise sequences ddd [k], the two superimposed to generate x [k], and plotted on the same graph x0 [k], d [k] and x [k] sequence waveform. (2) the mean filter can effectively remove noise superimposed on the low-frequency signals. Known 3-point moving average digital filter unit impulse response is h [k] = [1,
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