Forums Update, Tips and Tricks - Please Read!

Started by stephaneb 6 years ago13 replieslatest reply 4 months ago2019 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...

#OFDM material

Started by lifeatthesharpend 2 weeks ago11 replieslatest reply 2 weeks ago110 views
I'm trying to find material for design and implementation of ODFM waveform. I know the very basics. I'm not that familiar with, with the receive portion. Examples...

'near IQ' sampling

Started by transient 3 weeks ago7 replieslatest reply 3 weeks ago132 views
Hello,I would like to understand the process of 'near IQ' sampling. I might be using incorrect terminology (so please correct me if this is true) but the idea of...

#OFDM sample rate

Started by lifeatthesharpend 3 weeks ago7 replieslatest reply 3 weeks ago102 views
I'm trying to analyze a over the air RF capture. I have a RAW IQ data samples but the sample rate is 30.72Msps. The bandwidth occupied by the signal is about 10MHz...

Having problem in debugging an issue with IIR filter

Started by amir97 4 weeks ago12 replieslatest reply 4 weeks ago119 views
Hello everyoneI'm trying to implement an IIR filter called "Shelving filter" on an embedded device. After implementation, the filter seem to function almost as expected,...

2D-MUSIC algorithm for range-azimuth mapping in MATLAB

Started by Gerard123 12 months ago2 replieslatest reply 4 weeks ago299 views
I have complications implementing the range-azimuth with the 2D Music algorithm. I have used the URA-azimuth to find the reflected signal by the elevation angles...

Weird Signals when acquiring with SDR boards

Started by comly 1 month ago5 replieslatest reply 1 month ago104 views
Hi all,I have been doing some experiments with SDR boards(Xilinx ZCU111 Board),I encountered a weird phenomenon,but I cannot explain with my knowledge of the DSP/radio...

extract analysis and synthesis weighting filters

Started by drunken_monk 1 month ago5 replieslatest reply 1 month ago102 views
I already posted my question on stackoverflow but hopefully I can get some comments/answers from DSP experts contributing to this forum too:For regular FIR filters...

Noise floor is varying with respect to Decimation rate.

Started by Puvanes 1 month ago8 replieslatest reply 1 month ago142 views
Hi all,I'm simulating 65 MHz RF data and sampled that sinewave with 120MHz fs. Passed that signal with two stage decimation filter. My final stage filter output...

FFT question

Started by paulh02 2 months ago24 replieslatest reply 1 month ago209 views
Hello,I am sampling, at 192 Khz each channel, a radio signal with a IQ mixer and 2 ADC's. I combine the values into complex numbers. Literature tells that using...

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