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The 2024 DSP Online Conference - online, in-person, or both???
Started by 8 months ago●181 viewsAs you may know, the DSP Online Conference is an annual event that brings together experts, practitioners, and learners in the field of digital signal processing....
I have a software filter that multiplies the input signal with a sine and cosine wave (I,Q). After multiply the complex output is square rooted to get the amplitude.What...
Hi All,FIR Pre-add (folded) structure is useful to save multipliers. I can see no problem with pre-add direct FIR structure as all that is needed is fold the data...
What is the relationship between z-transform and frequency response of the signal?
Started by 9 months ago●4 replies●latest reply 9 months ago●294 viewsHello,I am trying to understand intuitively the relationship of the zeros of the z-transform of a discrete time signal and it's frequency domain representation....
Yep, turn your computer keyboard into a music keyboard. Almost four full octaves.https://forum.gambas.one/viewtopic.php?t=1651This is a project that implements...
Learning Data Transmission for HF Channel
Started by 11 months ago●2 replies●latest reply 11 months ago●167 viewsI am trying to learn data transmission through HF Channel for various multi path and fading conditions.I will be designing and coding for simulation.I am planning...
An Online Mathematics Reference Book
Started by 1 year ago●17 replies●latest reply 11 months ago●577 viewsSome of the "ol' timers" here may remember the valuable and popular book titled "CRC Standard Mathematical Tables" published by the Chemical Rubber Co., in Cleveland...
Hi all-Does anyone know what M(QN) notation means ? For example 15(Q16) ?I'm familiar with QN, QN.M, but not with a leading number followed by
parens. I suspect...
Hi All,I need to convert a (fixed point) stereo 16bit/32kHz stream into stereo 16bit/16kHz (on a Cortex M4). For this I have successfully used the CMSIS-DSP function arm_fir_decimate_q15()....
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