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Confused about the noble identity?
Started by 6 months ago●6 replies●latest reply 5 months ago●356 viewsI'm studying polyphase filtering and decimation and one of the things that gets mentioned occasionally are the noble identities. They are rendered here in figure...
Evaluating and Improving Filtering for 3rd order Incremental Sigma-Delta Modulator
Started by 7 months ago●4 replies●latest reply 7 months ago●243 viewsHi all,I’m fairly new to DSP and trying to evaluate whether the current filtering solution on our ASIC could be improved. Here’s the setup:
Modulator: 3rd-order...
Started by The BW bandreject filter Hbr(s) is derived from a lowpass filter Hlp(s) through the transform Hbr(s) = Hlp( B s / (s^2 + w0^2) ) resulting in a 4th order...
I am having difficulties accepting the validity of FFT interpolation / time domain zero padding. When a section of time data of length T is selected from which...
Hi guys,I recently heard something that sounds like an aural exciter but it sounds different compared to for example the Aphex HF exciter. If you listen to this...
Ready To Help Anybody in Baseband wireless Signal Processing(Free)
Started by 6 years ago●1 reply●latest reply 9 months ago●268 viewsHi,I can help anybody in Baseband Digital Signal Processing by providing some ideas if anyone needs.I will not charge anything.I can help in design and debugging...
Hello DSP experts,
I have a system that generates a train of pulses and when i put these pulses on top of each other i get something as shown by above image. In...
Trying to Understand Phasing Method for AM SSB Demod
Started by 10 months ago●5 replies●latest reply 10 months ago●241 viewsGood morning, all! I've been poring over Rick Lyon's paper on the phased method demodulator for SSB AM, specifically this particular block diagram:I've recreated...
Started by Tom Lehrer died Saturday at age 97. He wrote and performed "Wernher Von Braun" and other satirical songs. But his main gig was as a mathematician. Here is...
How to parallelize polyphase FIR resampling filters
Started by 6 years ago●14 replies●latest reply 11 months ago●1787 viewsI am struggling to find a good reference for implementing parallel rational-ratio FIR resampling filters. By "parallel", I mean a high-throughput hardware filter...
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