A low sensitivity and limit-cycle-free IIR filter implementation

Started by hjko 4 months ago6 replieslatest reply 4 months ago103 views
An IIR filter implementation suffers from instability and zero-input limit cycles when the poles are located near the unit circle. Recently, I developed an optimal...

Posting Equations - Please help me identify problems with our MathJax implementation

Started by stephaneb 4 months ago9 replieslatest reply 4 months ago65 views
Hi, in this thread, @rbj mentioned that the MathJax implementation in this forum is erratic and I believe him. I had issued in the past and it is always frustrating. ...

multi windowing and combining fft

Started by Samp17 4 months ago4 replieslatest reply 4 months ago97 views
I have made an impulse response of an acoustical system.  I have windowed this impulse response to filter any reflections.  The window length used on this impulse...

FFT Interpolation

Started by MrColly 4 months ago23 replieslatest reply 4 months ago169 views
I am having difficulties accepting the validity of FFT interpolation / time domain zero padding. When a section of time data of length T is selected from which...

FFT bins size and averaging

Started by pointblanke 4 months ago3 replieslatest reply 4 months ago90 views
Hi,I have a signal coming from an ADC that I oversample with an fs=80kHz and then I subsequently average 8 samples to get a rate of 10ks/s. I feed this averaged...

Frequency estimation in between the bins ...

Started by CLanger 5 months ago10 replieslatest reply 4 months ago160 views
DSP Gurus:I am looking for some direction. I am working on a FMCW radar project. I have the IQ mixer sampling, zero padding, windowing and FFT all working. My problem...

Sign of the magnitude difference

Started by sudarshan_onkar 6 months ago20 replieslatest reply 5 months ago131 views
Hi ,            Consider two complex numbers  Z1 and Z2 and the following definition of  magnitude difference |z1| - |z2| --------- (1)   First compute...
Hello,I have published an article on Matlab on common mistakes in subband adaptive filtering.

Signal Generation methods and alternatives

Started by PSG_ 5 months ago7 replieslatest reply 5 months ago132 views
Hi all, I am doing a study in which I want to compare some different methods for signal generation and also detection.  I am trying to achieve the following:1....

FIR filter shortening technique

Started by MahmoodAburomoh 5 months ago6 replieslatest reply 5 months ago148 views
Hello all,   It's my first participation here. Greetings ! I'm having an FIR filter with 1024 taps which represents a channel. I would like to find and equivalent...

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