GMSK bandwidth

Started by Artur1988 2 years ago3 replieslatest reply 2 months ago169 views
Hi all,I'm trying to generate a GMSK signal in accordance to the GSM specifications. To do so, I'm using the GNU Radio software and the following parameters:*Samples/Symbol...

Resampling biquad filters

Started by parksean210 2 months ago4 replieslatest reply 2 months ago108 views
In MATLAB,  there is a d2d function which resample the biquad filter directly.Does anyone know how the d2d function works?or the method to resample directly biquad...

Weird modulation effects when acquiring with SDR boards

Started by roblkc3 2 months ago6 replieslatest reply 2 months ago96 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 2 months ago4 replieslatest reply 2 months ago124 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 3 months ago7 replieslatest reply 2 months ago136 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 2 months ago13 replieslatest reply 2 months ago130 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 2 months ago3 replieslatest reply 2 months ago60 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 3 months ago8 replieslatest reply 2 months ago98 views

How "Oversampling" works for determining max amplitude for audio applications?

Started by skatermanbob 3 months ago10 replieslatest reply 3 months ago150 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 3 months ago2 replieslatest reply 3 months ago180 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?...

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