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We use$ z^{-1} xrightarrow{} frac{z^{-1}-alpha}{1-{alpha}z^{-1}}$and$ alpha = frac{sin(omega_c^{'}-omega_c)/2}{sin(omega_c^{'}+omega_c)/2}$for a lowpass-to-lowpass frequency transformation, where $omega'_c$ is the cut-off frequency of the prototype lowpass filter,...
Asked on 10/24/2021 by Mohammadsadeq Borjiyan
1 answerI am trying to convert filter realisation from Direct form 1 to cascade using function provided from Digital signal processing by Proakis. I designed lowpass IIR filter and extracted numerator...
Asked on 10/24/2021 by RohitM
0 answerI'd like some way to estimate the modulation transfer function in images. This is the observed drop in amplitude vs increase in frequency of spatial details - nice illustration...
Asked on 10/24/2021
1 answerOk, so my goal is to extract the pitch bounding lines (not the vertical ones down the center or the semicircle) from an image such as: source...
Asked on 10/24/2021 by Jonah F
0 answerIn' b.p lathi's book of systems and signal it is written that "marginally stable systems have one important application in the oscillator, which is a system that...
Asked on 10/24/2021
2 answerI was told that in the FIR filter type I, the impulse responseof a highpass filter $h_H[n] $can be obtained as follows, $$h_H[n] = delta[n − m]...
Asked on 03/10/2021 by BL Lov
1 answerIn a typical compressed sensing scenario, $y=Ax$, where $x$ is a sparse signal and $A$ is the sensing matrix.To reconstruct the sparse signal $x$ from $y$, $A$...
Asked on 03/07/2021 by Digi1
2 answerI have implemented digital high pass filter with below specs:Sampling frequency = 5333 HzCutoff frequency = 10 HzOrder = 3We are facing problem like below:...
Asked on 02/24/2021 by Ankit Chudasama
1 answerI am analyzing a recording from a microelectrode array on a neuronal cell culture and I found something that is disturbing me a lot. Through python, I have taken different...
Asked on 02/24/2021 by Gabriel Galeote-Checa
1 answerThe table below is from this document: Schneider RCD When the maximum response of the device is 40 mS, does it measure current doing RMS or peak...
Asked on 02/23/2021 by Blue_Electronx
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