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Difference between fft and pspectrum in Matlab

Started by mk2022 4 months ago3 replieslatest reply 4 months ago207 views
Hello!What is difference between using the fft() or pspectrum() command in Matlab on a time-series signal? My understanding is that the fft command computes the...

State Space Model Perspective of Different IIR Filters Realizations

Started by conner 5 months ago3 replieslatest reply 5 months ago123 views
When I hear about the cascade form of an IIR filter or implementing a filter with biquads, is there a state space model perspective too?One example of this that...

Is a frame-based processing possible for biquad filters?

Started by parksean210 5 months ago2 replieslatest reply 5 months ago120 views
I didn't think it is possible but there is a frame-based processing for IIR filters in MATLAB.https://kr.mathworks.com/help/simulink/slref/discr...I thought that...

Overcoming the negative inst. frequencies from hilbert transform

Started by togo_la 5 months ago4 replieslatest reply 5 months ago165 views
How to avoid negative frequencies that can be obtained from instantaneous frequency estimation using Hilbert transform?Here is what I am doing:1. compute analytic...

debugging Arm and DSP both

Started by Steven_MAC 5 months ago2 replieslatest reply 5 months ago121 views
HeyI work with the omap5912 dev-board.I need to debug the ARM core and the DSP core at the same time.The DSP core is 55x.I have the Blackhawk usb560v2 debugger.I...

Comparing Utterances

Started by lemon_puff 5 months ago3 replieslatest reply 5 months ago134 views
Hello! I have a project in mind, part of which relies on comparing how similar some utterances are.Basically, I have a reference audio file of how a word, say, should...

beamforming question.

Started by chirpanzee 6 months ago7 replieslatest reply 5 months ago188 views
This is for a simulation. I have a 10x10 array that I'm using to time domain beamforming. The look-angles are polar (theta 0-90) and azimuthal angle (phi=0)....

pipelining iir filters

Started by apchar 6 months ago64 views
Can someone recommend a readable source on pipelining recursive structures? There are many papers on IEEE on the Look-Ahead methods but they are all so very badly...

#OFDM material

Started by lifeatthesharpend 6 months ago11 replieslatest reply 6 months ago154 views
I'm trying to find material for design and implementation of ODFM waveform. I know the very basics. I'm not that familiar with, with the receive portion. Examples...

'near IQ' sampling

Started by transient 7 months ago7 replieslatest reply 7 months ago259 views
Hello,I would like to understand the process of 'near IQ' sampling. I might be using incorrect terminology (so please correct me if this is true) but the idea of...

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