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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 1 year ago●5 replies●latest reply 1 year ago●532 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 1 year ago●221 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 1 year ago●25 replies●latest reply 1 year ago●434 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 1 year ago●506 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...
The Anatomy of a Finite Impulse Response
Started by 1 year ago●13 replies●latest reply 1 year ago●257 viewsHello All,As soon as my early adulthood passion for electrical engineering re-asserted itself, post-retirement, and after decades of teaching and researching physics,...
Started by Hi All,This question suddenly popped up in my head.Why is that nobody talks about electromagnetic wave interaction as they share the same space?Yes they are different...
Hello All, I think I developed a method for obtaining IIR low-pass filters. It relies on all-pole z-domain transfer functions. The design is directly made...
Matlab support for "Frequency-Response Masking" filter design technique
Started by 1 year ago●5 replies●latest reply 1 year ago●205 viewsHi all,Does anyone know whether Matlab includes support for the "Frequency-Response Masking" (FRM) filter design technique first described in:Y. C. Lim, “Frequency-response...
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