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What is the relationship between z-transform and frequency response of the signal?
Started by 2 years ago●4 replies●latest reply 2 years ago●407 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....
Started by 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 2 years ago●2 replies●latest reply 2 years ago●205 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 2 years ago●17 replies●latest reply 2 years ago●653 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...
Started by 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()....
Started by Hi,I have a frequency domain data (that is non-causal). How can I calculate the IFFT in MATLAB so that I can visualize the impulse response behavior of t<0.Thanks...
How can I estimate the 2 parameters of this signal?
Started by 2 years ago●18 replies●latest reply 2 years ago●294 viewsI have a digital signal of fixed length (e.g. 100 samples). Somewhere within this signal is a contiguous region characterized by "low variance". The remainder of...
Rice channel + AWGN with lower BER than AWGN alone ??
Started by 5 years ago●7 replies●latest reply 2 years ago●426 viewsHello!I am playing with the Matlab simulation of an OFDM-based modem I have created, and I am facing a weird problem: I have my frames pass through the "usual encoding/mapping/modulation/IFFT",...
FFT-Based Equation Error Method - JOS
Started by 3 years ago●4 replies●latest reply 2 years ago●304 viewsHi,
I'm currently trying to implement the FFT-based equation method for filter design outlined by JOS, details of which can be found here. Specifically, I'm...
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