... [84] 5Moving Average FiltersThe moving average is the most common filter in DSP, mainly because it is the easiest digitalfilter to understand and use. In spite of its simplicity, the moving average ... point moving averageFIGURE 15-1Example of a moving average filter. In (a), arectangular pulse is buried in random noise. In(b) and (c), this signal is filtered with 11 and 51point moving average filters, ... relatives of the moving average filter better than the movingaverage filter itself? Three ways: First, and most important, these filters havebetter stopband attenuation than the moving average filter....