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Started by 8 years ago●14 replies●latest reply 4 months ago●2707 viewsIt's been a few months since the launch of the new forums. Here are a few thoughts.
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If there is one thing that could have a...
Error in frequency estimation for low frequencies
Started by 5 days ago●25 replies●latest reply 19 hours ago●167 viewsHello everyoneWe want to use a chirp z-transform to determine the frequency of a signal more accurately. It works quite well, but we see that the accuracy is much...
Why is it said to be alias free in such a multirate system?
Started by 5 days ago●3 replies●latest reply 4 days ago●138 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,As far as I understand the purpuse of a Farrow filter is to interpolate samples at a fractional ratio.For example: we have an ADC sampling at 41 MS/S and we...
From the Wikipedia article:"Suppose an event has two possible explanations. The explanation that requires the fewest assumptions is usually correct....However, Occam's...
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...
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...
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