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Issues regarding the implementation of integrator in GMSK modulator
Started by 2 years ago●11 replies●latest reply 2 years ago●401 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 years ago●3 replies●latest reply 2 years ago●873 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 3 years ago●3 replies●latest reply 2 years ago●350 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 2 years ago●13 replies●latest reply 2 years ago●984 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...
Started by 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)...
Does beam forming apply to Uplink MIMO ?
Started by 2 years ago●7 replies●latest reply 2 years ago●489 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...
Reducing IIR filter settling time.
Started by 2 years ago●9 replies●latest reply 2 years ago●617 viewsHello,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 2 years ago●2 replies●latest reply 2 years ago●202 viewsHi,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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