Forums

Forums Update, Tips and Tricks - Please Read!

Started by stephaneb 6 years ago12 replieslatest reply 4 months ago2270 views
It'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 javiergal 2 weeks ago14 replieslatest reply 1 week ago158 views
Hi 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 KousikBarathwaj 2 weeks ago11 replieslatest reply 1 week ago151 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 2 weeks ago4 replieslatest reply 1 week ago162 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 2 weeks ago22 replieslatest reply 2 weeks ago205 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 3 weeks ago7 replieslatest reply 3 weeks ago166 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 2 months ago18 replieslatest reply 3 weeks ago301 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...

How do I produce a covariance matrix from IQ samples?

Started by asterixogalues 5 months ago6 replieslatest reply 3 weeks ago177 views
Dear 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 naumankalia 1 month ago6 replieslatest reply 1 month ago201 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 1 month ago237 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]...

Please login (on the right) if you already have an account on this platform.

Otherwise, please use this form to register (free) an join one of the largest online community for Electrical/Embedded/DSP/FPGA/ML engineers: