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ADXL1002 signal processing for condition monitoring application

Started by KousikBarathwaj 1 year ago11 replieslatest reply 1 year ago231 views
I 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 KousikBarathwaj 1 year ago4 replieslatest reply 1 year ago514 views
In 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...

fft process gain revisited

Started by kaz 1 year ago22 replieslatest reply 1 year ago890 views
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 heycosmo 1 year ago7 replieslatest reply 1 year ago218 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 1 year ago18 replieslatest reply 1 year ago478 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 1 year ago6 replieslatest reply 1 year ago507 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 4 years ago15 replieslatest reply 1 year ago304 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 1 year ago14 replieslatest reply 1 year ago334 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 1 year ago16 replieslatest reply 1 year ago470 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 1 year ago8 replieslatest reply 1 year ago349 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...

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