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Single-bit long-range low-power communication

Started by heycosmo 3 months ago7 replieslatest reply 3 months ago176 views
Suppose 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 yates 4 months ago18 replieslatest reply 3 months ago346 views
Design 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...

Delay estimation using cross correlation

Started by naumankalia 4 months ago6 replieslatest reply 3 months ago270 views
HiSuppose 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 Cedron 3 years ago15 replieslatest reply 4 months ago245 views
Here 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]...

The Nyquist Sampling Theorem

Started by Rick Lyons 4 months ago14 replieslatest reply 4 months ago299 views
I asked the ChatGPT artificial intelligence (AI) software to write a song about the Nyquist Sampling Theorem in the style of Bob Dylan. Here's what the AI produced:Verse...

Finding delay b/w two signals using MATLAB 'gccphat'

Started by naumankalia 4 months ago16 replieslatest reply 4 months ago254 views
Hi allI am simulating signals on two hydrophones H1 and H2 of linear array which are at a distance 'd' from each other. The geometry is shown below:Assuming Plane...

Sigmoid function

Started by andrewstanfordjason 4 months ago8 replieslatest reply 4 months ago251 views
Hello I am looking to implement a sigmoid function as an activation function for ML(I do know that there is now a ML Related). I need to implement this is a fixed...

Help finding textbook for introductory DSP courses

Started by KPLomholdt 4 months ago7 replieslatest reply 4 months ago201 views
Hi there!I teach two introductory courses i Digital Signal Processing, 3rd and 4th semester electronics bachelor students. For several years, I've been using Understanding...

Learning FPGA

Started by stephaneb 5 years ago19 replieslatest reply 4 months ago2900 views
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...

PMCW Radar for cars

Started by adaptivefilter 2 years ago6 replieslatest reply 4 months ago1264 views
Hello.Does anybody working in the automotive radar sector know and can tel me if Phase Modulated Continuous Wave Radar is gaining popularity for mm-wave car radars...

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