Forums
How to calculate biquad cascade coefficient
Started by 1 year ago●25 replies●latest reply 1 year ago●364 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●465 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●249 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●189 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...
Started by 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 1 year ago●4 replies●latest reply 1 year ago●214 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 1 year ago●4 replies●latest reply 1 year ago●226 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 1 year ago●9 replies●latest reply 1 year ago●265 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,...
Please login (on the right) if you already have an account on this platform.
Otherwise, please use this form to register (free) an join one of the largest online community for Electrical/Embedded/DSP/FPGA/ML engineers:
