Started by 6 years ago12 replieslatest reply 3 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 2 weeks ago14 replieslatest reply 7 days 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 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 1 week 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 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 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 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 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 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 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]...