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Data overflow in fixed point DC removal filter, Richard Lyons Fig 13.65(b)
Started by 6 years ago●28 replies●latest reply 10 months ago●481 viewsI'm reading the 3rd edition of Richard Lyons' excellent book and am a bit confused by the DC-removal filter in Figure 13-65(b). If the input to the quantizer Q...
Trying to wrap my head around FFT and SDR...
Started by 11 months ago●8 replies●latest reply 10 months ago●279 viewsHi there! First-time poster here and very new to DSP and the like, so please excuse any ignorance and falsities. Pilots use a sequence of radio key-on's within...
RF loss during lighting strike
Started by 10 months ago●2 replies●latest reply 10 months ago●146 viewsNot really DSP, but I thought that some of the HAM guys on this forum may have seen this before.Have you every noticed when lighting strikes it causes the RF signal...
Question about Hogenauer's Paper
Started by 11 months ago●4 replies●latest reply 11 months ago●320 viewsBefore I have not read Hogenauer's paper, but when I read I am confused about the paper. Could somebody help me?The denominator of (A2)，Here |z| = 1, why the second...
Started by “Digital
signal processing is a veritable ocean. Take as many soundings in it as you
will, you will never know its depth.” ...
Sigma-delta DAC or delta-sigma DAC?
Started by 11 months ago●5 replies●latest reply 11 months ago●440 viewsWhich is more correct: sigma-delta DAC or delta-sigma DAC?If both are valid forms and there are differences, I would like to know that too.
Hello All,Considering the availability of mature and and advanced linear phase FIR filter design techniques, many might look sideways at "novel claims" for filter...
#OFDM point to point specification
Started by 1 year ago●13 replies●latest reply 12 months ago●207 viewsAll,Specification location: FlexLinkPhy2023_v10.pdfOver the last several months I have gathered a few people and we have developed an OFDM specification for point...
How to calculate biquad cascade coefficient
Started by 12 months ago●25 replies●latest reply 12 months ago●355 viewsMy FFT code uses CMSIS DSP function arm_biquad_cascade_df1_f32() with coefficients set up for 12kHz, sample rate 48k, 60dB stopband, elliptic.I know the original...
How do I produce a covariance matrix from IQ samples?
Started by 2 years ago●8 replies●latest reply 12 months ago●454 viewsDear Colleagues,I'm working with BLE AoA Localization. My problem is: What to do exactly with IQ(in phase-quadrature signals) information from an antenna array in...
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