Question

why am i get getting this error "Input to ROOTS must not contain NaN or Inf " when i tried to design a LPF in MATLAB?
I want to design a 2 nd order LPF with the following specs: sampling frequency=200 Hz; cut off frequency 11Hz; The transf...

presque 9 ans il y a | 1 réponse | 0

Question

LPF and HPF from APF
i came across a concept that says we can design LPH and HPF from APF when the transfer function of the two APFs given as A0=...

presque 9 ans il y a | 1 réponse | 0

Question

how do i normalise frequency axis after computing fft ?
i have a 10 hz signal. i want to specify the cutoff for my filter. what is the normalized cut off for 50 hz signal? plz mention ...

presque 9 ans il y a | 1 réponse | 0

Question

why type 2 FIR filter cannot be used to design high pass filter?
can anybody explain why type 2 FIR filter cannot be used to design high pass filter?

presque 9 ans il y a | 1 réponse | 0

Question

impulse response from transfer function in matlab
i have a transfer function given by H(z)= 1-z^(-1)/1-z^(-1)+z^(-2) how to find its impulse response h(n) in matlab what i...

presque 9 ans il y a | 2 réponses | 2

Question

how to calculate ECG signal frequency?
the normal ECG signal frequency is given as 0.05-100 Hz. i want to know how we got this frequency range ? what is the formula to...

presque 9 ans il y a | 1 réponse | 0