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Correlated phase noise

Started by krishk24 1 year ago4 replieslatest reply 1 year ago222 views
I am trying to find a mathematical model to understand the correlated phase noise. In the link https://www.markimicrowave.com/blog/does-a-mixer-add-phase-noise/ ...

Is there any DAC math model around?

Started by kaz 1 year ago18 replieslatest reply 1 year ago267 views
Hi All,I assume Matlab and other math tools do not have a dedicated function to model DAC or ADC.I will try model DAC in digital domain:- generate a clean single...

FFT Interpolation

Started by MrColly 5 years ago26 replieslatest reply 1 year ago1447 views
I am having difficulties accepting the validity of FFT interpolation / time domain zero padding. When a section of time data of length T is selected from which...

Sampling Rate conversion with arbitrary and variable ratios

Started by javiergal 1 year ago14 replieslatest reply 1 year ago695 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 1 year ago11 replieslatest reply 1 year ago235 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 ago608 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 ago970 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 ago489 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 ago539 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...

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