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Forums Update, Tips and Tricks - Please Read!
Started by 6 years ago●12 replies●latest reply 4 months ago●2270 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...
Sampling Rate conversion with arbitrary and variable ratios
Started by 2 weeks ago●14 replies●latest reply 1 week ago●158 viewsHi Folks, I would like to ask you about a non-very common topic... Arbitrary Ratio Sampling Rate conversion... With this, I want to refer to resampling of...
ADXL1002 signal processing for condition monitoring application
Started by 2 weeks ago●11 replies●latest reply 1 week ago●151 viewsI am a fresher in the field of condition monitoring. I have been working on a condition monitoring project for rotating machines using ADXL1002 accelerometer. I...
Difference between averaging and decimation on oversampled data
Started by 2 weeks ago●4 replies●latest reply 1 week ago●162 viewsIn my project I am oversampling the data (12 bit ADC) for the following reasons,1. To relax the antialiasing filter requirements before the ADC.2. Increase or...
Started by Hi All,if you google "fft process gain" you get plenty hits including various analysis down to bin spread concepts.However, I notice that this can be viewed in a...
Single-bit long-range low-power communication
Started by 3 weeks ago●7 replies●latest reply 3 weeks ago●166 viewsSuppose I want to send a single bit (like an SOS) from some remote location using a low-power RF transmitter. The transmitter emits a pure tone at some frequency,...
ChatGPT's idea of a computationally efficient digital filter - ha ha ha...
Started by 2 months ago●18 replies●latest reply 3 weeks ago●301 viewsDesign a computationally efficient digital filter which can extract a 1 kHz signal between 1000 Hz and 2000 Hz from a digital input signal with a sample rate of...
How do I produce a covariance matrix from IQ samples?
Started by 5 months ago●6 replies●latest reply 3 weeks ago●177 viewsDear Colleagues,I'm working with BLE AoA Localization. My problem is: What to do exactly with IQ(in phase-quadrature signals) information from an antenna array in...
Delay estimation using cross correlation
Started by 1 month ago●6 replies●latest reply 1 month ago●201 viewsHiSuppose there are two continuous signals of same frequency say 4 KHz. The delay/time corresponding to its one cycle is around 250 us. If we delay one signal by...
Has any one seen this window function?
Started by 3 years ago●15 replies●latest reply 1 month ago●237 viewsHere is the definition:\( w[n] = 4 \sin \left( \frac{n}{N}\pi \right) \sin \left( \frac{n+1}{N}\pi \right) \)It's special, because it ensures that$$ w[0] = w[N-1]...
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