Sampling at a particular instant in GNU Radio

Started by telecom999 6 years ago4 replieslatest reply 6 years ago677 views
Hello all, I am new to #SDR having done mostly hardware design I have an external data stream incoming at 2kbps and being sampled by a GRC program at 48kSps via...

How to Convert IQ Signal to Real

Started by NoMoreAnalog 8 years ago4 replieslatest reply 8 years ago7353 views
I am using #Matlab DSP Toolbox to implement a Software Defined Radio (#SDR). If you are curious, it is for a Softrock RXTX ham radio transceiver that provides I...

Downsampling from 2.0 MHz to 192kHz

Started by tomb18 8 years ago20 replieslatest reply 8 years ago1052 views
I would like to downsample a signal (#SDR) from 2MHz to 192kHz.  I understand the general principle when you go from let's say 1.92MHz to 192 KHz but what happens...

Window-presum FFT problem

Started by n2ic 8 years ago14 replieslatest reply 8 years ago418 views
First of all, let me warn you, I'm a neophyte on this. Did my EE degree 40 years ago, before FFT's were rediscovered.I am trying to reduce frequency bin "leakage"...

Zero IF vs Low IF receivers

Started by tomb18 8 years ago10 replieslatest reply 8 years ago12252 views
HI,I am having some conceptual difficulty understanding how one an process data from a low IF recever.  Currently I am using an #SDR which has a "zero IF" mode which...

Does decimation of a signal result in a shift in the baseline noise?

Started by tomb18 8 years ago11 replieslatest reply 8 years ago997 views
Hi, I am collecting samples at a rate of 2,000,000 per second from a software defined radio (#SDR).  I am plotting the output of a 16384 point FFT and observing...

Newbie with questions about decimation for SDR

Started by tomb18 8 years ago27 replieslatest reply 8 years ago2116 views
Hi,I currently have software that will plot a spectrum from I and Q data obtained from a software defined radio.  The slowest sampling rate is 2msps.  This is...

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: