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Parallel CIC filter processing enquiry

Started by Phil_SG 3 months ago11 replieslatest reply 3 months ago95 views
Hi all, I am new to the forums and have read several posts regarding CIC filter theory and implementation, however I am trying to do something different to a single...

Help with precoding (SDR implementation)

Started by cogwsn 4 months ago14 replieslatest reply 3 months ago86 views
I am trying to implement a very basic pre-coder using SDR (USRP B210). Both Tx and Rx have single antenna and the transmit and receive SDRs are frequency synced...

Proof of Correlation Theorem for DFT

Started by bitrandre 3 months ago4 replieslatest reply 3 months ago113 views
Goodmorning to everyone. I was trying to understand the proof of the cross-correlation theorem for the DFT given in the dsprelated website. It defines the cross-correlation between...

Upward Compressor Soft Knee Equation

Started by rjmiller927 3 months ago4 replieslatest reply 3 months ago94 views
I am working on a Python function to perform audio dynamic range compression using an upward compressor (https://en.wikipedia.org/wiki/Dynamic_range_compre...)....

equalizer algorithm used for differential qpsk & fractionally spaced equalizer

Started by ntniitm 4 months ago1 replylatest reply 4 months ago75 views
I am trying to build an application which uses Differential BPSK /Differential QPSK modulated on to a chirp signal. (S2C method). The modulation is multiplication...

Blind De Reverberation

Started by jalopez14 4 months ago5 replieslatest reply 4 months ago77 views
I am currently doing some research into automatically removing reverb from audio files related to cleaning up speech. Is there any pointers you guys can share?...

Auto-Correlation based Carrier Frequency Recovery

Started by julein 4 months ago2 replieslatest reply 4 months ago108 views
Hello all,I'm using an auto-correlation based frequency recovery algorithm in the receiver to extract and correct the carrier frequency offset between the transmitter...

Digital Filters that have prescribed phase shift

Started by CharlieRader 4 months ago14 replieslatest reply 4 months ago143 views
Almost sixty years ago I needed an all-pass recursive digital filter with two outputs, such that the phase difference between the outputs was a very good approximation...

Question regarding CIC filter

Started by aminnoura 4 months ago12 replieslatest reply 4 months ago124 views
I read nice discussions on this forum about CIC filters and that's why I also joined. I am not expert in DSP. I am programmer and I need to write a CIC filter for...
Hello everyone!I successfully designed the wideband frequency hopped OFDM+BPSK system where I use multiple DUCs and DDCs to achieve up and down-conversion to and...

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