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Weird modulation effects when acquiring with SDR boards

Started by roblkc3 7 months ago6 replieslatest reply 7 months ago109 views
Hello!I have been doing some experiments with SDR boards and I am facing a weird phenomenon I cannot explain with my (tiny :() knowledge of the DSP/radio world:I...

Coherent re-sampling

Started by ste3191 7 months ago4 replieslatest reply 7 months ago139 views
Hi everyone,I have the following problem.I have a Verilog AMS block which generates a coherent sinewave with frequency 1000137329.101562 Hz, at 10 GHz rate stored...

SPDIF clock recovery

Started by RogerG 7 months ago7 replieslatest reply 7 months ago191 views
I am working on a project to use a digital front end for my triamp. I am struggling to work out how to decode an incoming spdif audio signal. Is a phase locked loop...

Can an FFT be shared for spectral estimation and linear filtering?

Started by weetabixharry 7 months ago13 replieslatest reply 7 months ago149 views
I am familiar with the overlap-add and overlap-save methods for computing linear convolutions.I am also familiar with Welch's method for estimating power spectral...

Unable to monitor the speed (rpm) of motor eQEP module : TI C2000 F28069M

Started by bluenova333 7 months ago3 replieslatest reply 7 months ago94 views
Hello everyone. I am trying to run the closed-loop V/F scalar control of a 3-phase Induction Motor using TI C2000 TMS320F28069M Board. The first step was testing...

Determine Classical Phase Noise from EVM

Started by maxplus 7 months ago8 replieslatest reply 7 months ago131 views
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How "Oversampling" works for determining max amplitude for audio applications?

Started by skatermanbob 7 months ago10 replieslatest reply 7 months ago172 views
So glad I found this website! Lots of super helpful resources. This article inspired my question: Zero-Padding for Interpolating Spectral Peaks | Spectral Audio...

Modelling a RF amplifier in Python

Started by rober_lr 7 months ago2 replieslatest reply 7 months ago319 views
Hello, I'm trying to modelate a transceptor in Python using numpy and scipy.If I have two digital signals sampled in different rates, how could I multiply them?...

Selecting number of FFT points for Overlap add with spectral modifications.

Started by Mil1o 8 months ago2 replieslatest reply 7 months ago167 views
Typically tutorials and articles explaining OLA (like the one on the website https://www.dsprelated.com/freebooks/sasp/Overlap_...)start with the simple use case...

Extend FFT spectrum question

Started by samecues 8 months ago6 replieslatest reply 7 months ago158 views
Hi all!I have some strange question here. Imagine that I have this WOLA scenario:Signal -> SineWindow -> FFT -> Process -> IFFT -> SineWindow and...

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