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FPGA dev kit

Started by Robert Wolfe 6 months ago4 replieslatest reply 6 months ago253 views
Hello,I've been wanting to get my feet wet in FPGA DSP, after many years strictly firmware (C, C++, assembly), including since a good deal of DSP seems to be migrating...

Setting prominence in signal.find_peaks

Started by bigalnz 6 months ago3 replieslatest reply 6 months ago193 views
I am rocessing a radio signals on a Rpi5 with a Software Defined Radio (SDR) in python and need to adaptively set the prominence parameter of scipy signal.find_peaks.The...

Quantizing the feedback coefficient in the Goertzel algorithm

Started by gretzteam 2 years ago3 replieslatest reply 6 months ago254 views
The value of the feedback coefficient in the Goertzel algorithm it given by:c = 2*cos( 2*pi*k/N); where k is the bin number and N is the number of points.Here...

Active noise cancellation(ANC) in headphones

Started by andrewstanfordjason 6 months ago13 replieslatest reply 6 months ago271 views
Hello, I am interested I understanding how ANC in headphones works. My high level understanding is that an external mic listens to the noise then a speaker within...

Signal level for OFDM

Started by jekain314 6 months ago18 replieslatest reply 6 months ago193 views
Consider a 64-subcarrier OFDM signal with QPSK modulation and all 64 subcarriers have data. Each of the 64 subcarriers will have the same amplitude (assume 1.0)...

For CIC filter. Is Feedback or Feedforward integrator preferred ?

Started by VasantJoseph 7 months ago1 replylatest reply 7 months ago152 views
I have been designing a CIC filter in python. For reference I had taken the matlab cic function dsp.CICDecimator to check if the filter I am designing is functioning...

Doubt regarding CIC filter implementation.

Started by VasantJoseph 7 months ago5 replieslatest reply 7 months ago206 views
I wrote a CIC filter design in Python using the below-given equations. I tried to check the design I have, comparing the output with an ideal Matlab CIC function....

Does beam forming apply to Uplink MIMO ?

Started by kaz 8 months ago7 replieslatest reply 7 months ago177 views
Hi,I posted this on some communication forums but without success.There is plenty talk about beam forming (e.g. 4G, 5G ...etc) in the context of downlink (base...

Reducing IIR filter settling time.

Started by mm2426 7 months ago9 replieslatest reply 7 months ago257 views
Hello,I am not an expert in DSP so please excuse me if my question is dumb.I am trying to design an IIR butterworth filter in python. I am looking at the step response...

Match SVF bandwidth with direct form

Started by RoelVugts 7 months ago2 replieslatest reply 7 months ago126 views
Hi,I implemented a 2nd order allpass filter in both the direct form and as a state variable filter. SVF implementation from: https://mural.maynoothuniversity.ie/18520/1/VL_imp... Direct...

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