Introduction - If you have any usage issues, please Google them yourself
Digital band-stop filter design methods and design of the above-mentioned method is very similar to the design of a time when attention to the selection of a suitable function, at the same time, ' ftype' changed to ' stop' , the attention of function parameters and return values. As a result of similar methods, only a method of choice to achieve band-stop filter, select the time being Chebyshev band-stop filter Ⅱ. Band-stop filter for the performance indicators: flp = 200 fup = 3500 flc = 300 fuc = 3300 As = 46 Ap = 3 Fs = 22050