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Forums Update, Tips and Tricks - Please Read!
Started by 8 years ago●14 replies●latest reply 5 days ago●2984 viewsIt'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...
Issues regarding the implementation of integrator in GMSK modulator
Started by 3 months ago●11 replies●latest reply 11 hours ago●141 viewsI'm trying to implement a GMSK modulator using simulink. Initially, I've passed the signal to a Gaussian filter, then it is passed to an integrator, but I'm not...
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 2 weeks ago●3 replies●latest reply 2 weeks ago●117 viewsI 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 2 years ago●3 replies●latest reply 2 weeks ago●234 viewsThe 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 3 weeks ago●13 replies●latest reply 2 weeks ago●185 viewsHello, 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...
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 1 month ago●1 reply●latest reply 1 month ago●137 viewsI 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 1 month ago●5 replies●latest reply 1 month ago●160 viewsI 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 2 months ago●7 replies●latest reply 1 month ago●129 viewsHi,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...
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