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Forums Update, Tips and Tricks - Please Read!

Started by stephaneb 3 years ago10 replieslatest reply 2 months ago1125 views
It's been a few months since the launch of the new forums.  Here are a few thoughts. The thumbsup and beer buttons    If there is one thing that could have a...

Fractional rate asynchronous conversion for highly oversampled data

Started by deba 1 week ago7 replieslatest reply 5 days ago96 views
Hi All,The general method used for fractional rate conversion is to use a polynomial based filtering of the input data like a Farrow structure. This structures are...

What is this effect ?

Started by El_barto 1 week ago6 replieslatest reply 1 week ago114 views
Hi everyone,I am currently trying to regenerate piano sounds using machine learning techniques. Here are some of the results ; as you can hear, it needs improvement....

CMSIS DSP ARM Complex FFT output arrangement

Started by lorecn1 2 weeks ago10 replieslatest reply 1 week ago86 views
I'm trying a snippet of code, based on CMSIS DSP Library, that take 2 quadrature (I & Q) signals and do complex fft. (pseudo code)FFT_SIZE = 128I signal [128]Q...

Designing an IIR comb (peak) filter

Started by bobby_k 2 weeks ago9 replieslatest reply 2 weeks ago100 views
Hi there,I'm trying to design an IIR comb filter to keep only 10 Hz harmonics in a noisy signal which is periodic at 10 Hz for noise rejection.  The comb filter...

DSP RTL Library (DRL): An Open Source Verilog/SystemVerilog Approach

Started by ahmedshahein 3 weeks ago2 replieslatest reply 2 weeks ago99 views
I am delighted to share with my passion in DSP by releasing the DSP-RTL-Library or (DRL) on GitHub. The library provides various standard DSP components such as;...

DAC dithering for low frequency signal measurement

Started by herrmattoon 4 weeks ago9 replieslatest reply 3 weeks ago92 views
Hi everybody,I want to use the output of an 125MHz DAC to generate dither on the input of my ADC (Redpitaya). I have many questions but first, the background :I...

Advice in Noise Suppression in Voice Processing Context

Started by BerlinKhan 4 weeks ago2 replieslatest reply 3 weeks ago102 views
Hello everyone,,I am playing with noise suppression for voice processing applications. I have done a bit of reading and thought it sensible to ask if anyone could...

Carrier doppler shift and Signal doppler shift

Started by nbtech 4 weeks ago5 replieslatest reply 4 weeks ago107 views
Hi all,Whats the difference between a "carrier doppler shift" and "signal doppler shift" in satellite communications?These parameters are listed on specs of a satellite...

Correlation between a signal segment and its stretched replica

Started by Lex_Z 1 month ago13 replieslatest reply 4 weeks ago115 views
Need your help guys,In my application the measurements are affected by temperature and the signal is stretched over time, though preserving relatively similar structure.I...

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