How to manipulate a spectrum without aliasing problems?

Started by dudelsound 3 months ago7 replieslatest reply 2 months ago105 views
Hi everyone.For various tasks in my day-to-day job I run into the same problem. I would like to do the following:- Slice a one dimensional signal x into chunks of...

Singularity issue due to Zero-frequency component

Started by Elango_Selvam555 3 months ago4 replieslatest reply 3 months ago67 views
I am a Ph.D. student working on nonlinear elastic modeling of elastic materials in the Netherlands. In my formulation, I have a singularity issue at the zero frequency...

PHY, L1, Baseband

Started by Sharan123 3 months ago2 replieslatest reply 3 months ago86 views
I am often confused between PHY, L1 and Baseband processing.Are they same? if not, can anyone help with some explanation please.Thanks,

Synchronizing sampling rates between a device and an audio output

Started by tomb18 3 months ago12 replieslatest reply 3 months ago93 views
Hi,I am collecting IQ samples from a software defined radio and decimating them to a rate of 192kHz.  I then pass the buffers to an audio component (part of a library...

Automatic Frequency Correction AFC in DSP

Started by mukul 3 months ago7 replieslatest reply 3 months ago108 views
Hi,AFC is much discussed topic in this forum and I tried to search my question but couldn't find exact one so here it goes.I need to know ways and means find out...

LTE WiFi FFT Problem

Started by cogwsn 3 months ago4 replieslatest reply 3 months ago86 views
Hi, Suppose I have time domain LTE signal L and time domain WiFi signal W. L is generated by taking 2048 point IFFT and W is generated by taking 64 point FFT. Power...

IIR vs FIR filtering effectiveness in voice bandwidth

Started by MrE 3 months ago9 replieslatest reply 3 months ago123 views
I recently read (somewhere) that you can get a better cutoff response by running you data through a filter multiple times.  I am using cascading butterworth filters...

Down sampling an iq signal

Started by tomb18 3 months ago10 replieslatest reply 3 months ago108 views
Forgive my newbie questions. I always thought that to down simple a signal you first should do a low pass filter and then Dow sample to prevent any aliasing. So...

Why am I getting the same frequency response plots when one has aliasing and the other does not?

Started by rebbats 3 months ago9 replieslatest reply 3 months ago85 views
When givenx[n] = cos[2*pi*f*n]n = 0: T :10T = 1/fsfor fs = 10HzI get the same frequency response figures.for f = 3Hz, f = 7Hz, and f = 13Hz.so that means that aliasing...
Interested to determine the size of the FFT used by a proprietary video link transmitting 720p@30fps video. (This can usually be achieved by 5-10 Mbps bit rate)....

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