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How do I produce a covariance matrix from IQ samples?
Started by 1 year ago●8 replies●latest reply 10 months ago●427 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 11 months ago●13 replies●latest reply 10 months ago●244 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,...
Electromagnetic waves question
Started by 11 months ago●15 replies●latest reply 10 months ago●200 viewsHi 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 11 months ago●5 replies●latest reply 11 months ago●174 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...
Asahi Kasei Micro makes dsp ICs such as the AK7755EN. On the website https://www.akm.com/eu/en/products/audio-voice-dsp/lineup-audio-voice-processor/ak7755en/ there...
2-FSK eye diagram - optimal sampling sharp transitions
Started by 12 months ago●4 replies●latest reply 11 months ago●192 viewsHi folks,I have ta analyse a signal transmitted in a burst mode in UHF and I have no apriori about it.The signal seams to be transmitted using a basic 2-FSK modulation.I...
How to avoid harmonic distortions in a DAC?
Started by 12 months ago●4 replies●latest reply 11 months ago●206 viewsI have a DAC which is assumed to be nonlinear, such that it produces unwanted harmonic distortions at integer multiples of the input frequencies. Any other nonlinear...
C code simulation of DSP fixed-point operations with overflow and saturation
Started by 12 months ago●9 replies●latest reply 11 months ago●260 viewsAll-Does anyone have a link to old Texas Inst C code that simulated what their fixed-point DSPs did with overflow and saturation with arithmetic operations (add,...
Simulating multipath fading channel in Python
Started by 12 months ago●2 replies●latest reply 12 months ago●383 viewsHello!I'm trying to figure out how to simulate a multipath fading channel (I'd like to have both a Rayleigh and a Rician channel, no Doppler to simplify things)...
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