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How can I estimate the 2 parameters of this signal?
Started by 9 months ago●18 replies●latest reply 9 months ago●201 viewsI have a digital signal of fixed length (e.g. 100 samples). Somewhere within this signal is a contiguous region characterized by "low variance". The remainder of...
Rice channel + AWGN with lower BER than AWGN alone ??
Started by 3 years ago●7 replies●latest reply 9 months ago●285 viewsHello!I am playing with the Matlab simulation of an OFDM-based modem I have created, and I am facing a weird problem: I have my frames pass through the "usual encoding/mapping/modulation/IFFT",...
FFT-Based Equation Error Method - JOS
Started by 1 year ago●4 replies●latest reply 9 months ago●247 viewsHi,
I'm currently trying to implement the FFT-based equation method for filter design outlined by JOS, details of which can be found here. Specifically, I'm...
Help with PDM filter, please and thanks
Started by 10 months ago●14 replies●latest reply 10 months ago●324 viewsIt's been some time since I've had anything to do with DSP. With that said, I have a project requiring this skill set here and need help. I kept returning to this...
The Related Sites have Undergone a Major Upgrade - Please Report any Website Issue
Started by 10 months ago●5 replies●latest reply 10 months ago●337 viewsOver the last few weeks, we've been busy getting ready for a major back-end software and hardware upgrade for the Related sites and the big move finally took...
FM Carrier Recovery for AOA Calculation
Started by 11 months ago●1 reply●latest reply 11 months ago●180 viewsIs there a way to recover a carrier of an FM signal to use for an Angle of Arrival calculation? I am using GNURadio and gr-aoa (https://github.com/MarcinWachowiak/gr-aoa)...
I captured a BPSK waveform at RF on a spectrum analyser. I need to determine the 99% bandwidth. I have a CSV plot. Does anyone knows how to determine 99% BW...
If you haven't registered for the 2023 DSP Online Conference yet, doing so in the next couple of days could save you 50% on the already very low registration fee.Make...
A fast fourier transform works in complex numbers, and each sine or cosine wave is a composition of two complex waves. For instance the two complex waves (1, i,...
Sampling frequency in Baseband
Started by 8 years ago●15 replies●latest reply 11 months ago●3749 viewsI would like to know importance of sampling frequency in the baseband. I am using #LTE as an example.If we take a 20 MHz system, the sampling frequency is specified...
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