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Forums Update, Tips and Tricks - Please Read!
Started by 2 years ago●10 replies●latest reply 5 months ago●821 viewsIt'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...
Currently testing Blind Demodulation methods on recorded OFDM signal. The recordings were done with coax cables. While the estimated Frequency and Time shifts were...
Explanation about MRC behavior when one branch fails to detect the signal
Started by 1 day ago●3 replies●latest reply 1 day ago●39 viewsI am working on hardware implementation of Maximal Ratio Combiner for OFDM based system. Consider a two antenna receiver performing MRC over received signals y1...
HiI am designing the echo-cancelling/removal algorithm of a speakerphone device and am trying to get ideas on how to improve the performance.I know, physics are...
Machine learning and detection in noise
Started by 1 week ago●4 replies●latest reply 2 days ago●92 viewsI've been tinkering with a problem involving detecting a set of tones in the presence of noise. I've looked at Goertzl and matched filter approaches, but I've had...
A few months ago, this community tackled the first FPGA FAQ titled When (and why) is it a good idea to use an FPGA in your embedded system design?. Your contributions...
It's been more than 20 years since I submitted my EE master thesis about implementing a "feedforward" active noise cancellation algorithm (nlms) for headphones on...
CMSIS CFFT bit reversal table -how to generate?
Started by 2 weeks ago●5 replies●latest reply 1 week ago●54 viewsHi All
The ARM CMSIS FIXED POINT FFTs uses a bit reversal table at the end of the FFT calculation to transpose the output bins to their linear ordering....
How to set filter specification for Decimation process
Started by 1 week ago●10 replies●latest reply 1 week ago●71 viewsHi, i'm new to DSP so i'd like to understand something about decimation.
This is what i have : a sinusoidal signal,about 200MHz sampled with a
500 MSPS ADC then...
High-cost communications in the old days -- telegrams
Started by 2 months ago●10 replies●latest reply 2 weeks ago●81 viewsI've been reading a P.G. Wodehouse book (Right-Ho, Jeeves) that has several fictional telegrams in it. For example:Fink-Nottle, Brinkley Court, Market Snodsbury,...
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