digital-signal-processing code snippets in matlab

butterworth low pass filter in matlab

calculate energy of signal x1 = cos(2*pi*fo*tvec*2^(-9/12)); in matlab

create butterworth hpf in matlab

create butterworth hpf without using butter command in matlab

design a butterworth high-pass filter with filter order 20 such that when the signal x is applied to this filter, the output does not contain the frequency 261.625hz . in matlab

design a butterworth low-pass lter with lter order 20 such that when the signal xptq is applied to this lter, in matlab

dow convert a signal in matlab

down convert a signal in matlab

find the peaks in a waveform in matlab

make my data less noisy in matlab

perform interpolation using an ideal root raised cosine filter in the frequency domain in matlab

remove noise from a signal array in matlab