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Why is it said to be alias free in such a multirate system?
Started by 5 months ago●3 replies●latest reply 5 months ago●169 viewsPage 246 in multirate systems and filter banks by P. P. Vaidyanathanm.https://ibb.co/LrBWpfDThe sampling in the first stage should have brought the aliases already,...
Hello, everyone!I wonder, is it incorrect to use IIR filters for NRZ FSK signals? As I understand, IIR filter comes with a frequency-dependent delay and introduces...
Started by Many, like myself, are constantly refreshing their grey matter, after long and distinguished (well long to be sure) careers. The only positive outcome of the COVID-19...
Hi guys, I took a look to"A beginner's guide to Cascaded Integrator-Comb (CIC) filters"and I am confused about registers width:register bit widths = 12+⌈3⋅log2(8)⌉=12+3⋅3=21bits ...
I want to try Acoutic Modems in Matlab and working with actual speaker and mike for transmission.I have designed 8 psk modem and another OFDM version QPSK Modem.Is...
Hi Sir,I want to use sigma-delta modulator and FPGA to implement digital power control, and I am studying the Understanding Digital Signal Processing CH13.24, and...
short prach table (5G standards)
Started by 6 months ago●1 reply●latest reply 6 months ago●118 viewsHi All,I am struggling to interpret a table of 5G prach, page 48 https://www.etsi.org/deliver/etsi_ts/138200_138299...For example format A1 has three entries...
Modify a FIR filter in the frequency domain a then accomplish IFFT
Started by 7 months ago●8 replies●latest reply 7 months ago●203 viewsHallo,I would like to design a custom made FIR filter. I would start from an ordinary LP FIR filter designed by means of fdatool, for instance, and then modify the...
bandpass filter from summed lightly-damped transfer functions
Started by 7 months ago●2 replies●latest reply 7 months ago●141 viewsI would like to make a bandpass filter for an SDR project by passing the signal through two (or more) transfer functions in parallel. Each transfer function uses...
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