Forums Update, Tips and Tricks - Please Read!

Started by stephaneb 6 years ago13 replieslatest reply 2 months ago1981 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...

Weird Signals when acquiring with SDR boards

Started by comly 12 hours ago3 replieslatest reply 4 hours ago45 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 week ago5 replieslatest reply 1 week ago86 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 week ago8 replieslatest reply 1 week ago118 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 weeks ago24 replieslatest reply 2 weeks ago189 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...

How much CompE for DSP?

Started by odettehay 1 month ago5 replieslatest reply 2 weeks ago145 views
My major: 3rd year at college as EE My interests: analog electronics (sensors), signals and systems (controls, DSP, wordle etc.) Now I have the option of taking...

Measuring RSRP in 5G

Started by dgshaw6 2 weeks ago1 replylatest reply 2 weeks ago80 views
Hi all,In the 3GPP standard 38.215 Section 5.1.19, there is a reference to the definition of the RSRP for SRS.It appears to simply be the average of the power in...

Python (numpy) to Matlab/Octave conversion problem

Started by jtp_1960 2 weeks ago4 replieslatest reply 2 weeks ago103 views
I'm new to python language. I can't figure out what happens here in code:def evaluate(self, x):         p1 = 1         p2 = np.zeros((1, self.r), dtype=self.dtype)        ...

How to separate these orthogonal inputs

Started by kaz 4 weeks ago12 replieslatest reply 2 weeks ago121 views
Hi All,A receiver of ofdm separates orthogonal tones by using fft. No problem.But there are some other signals that are also deemed orthogonal yet they are at same...

Clarity on Bit Reversal Sorting

Started by pbowers 4 weeks ago5 replieslatest reply 4 weeks ago90 views
Hello all,I'm going through The Scientist and Engineer's Guide to Digital Signal Processing. I'm currently on Chapter 12 - Fast Fourier Transform.I understand the...

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