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# Discussion Groups > Comp.DSP

Comp.dsp is a worldwide Usenet news group that is used to discuss various aspects of digital signal processing.

There are 9 threads in our archives.

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## Filter Coefficients 0

analog_fever - 2010-10-14 22:13:00
Hello, Thanks for a wonderful forum. 1. I have a simple FIR filter doing the following. Output is the sum of previous hundred samples. After 100 samples everything is reset, and the summation ...

## CIC Filter Length 0

analog_fever - 2010-08-05 17:29:00
I am reading about CIC filters used for an Sigma Delta converter. In that the author mentions that - For a 2nd order filter, decimating by N, the length of the impulse response is 2N+1 - For a ...

## CIC Filter Length 0

analog_fever - 2010-08-05 15:48:00
I am reading about CIC filters used for an Sigma Delta converter. In that the author mentions that - For a 2nd order filter, decimating by N, the length of the impulse response is 2N+1 - For a ...

## Signals on FFT bins, and Windowing 0

analog_fever - 2010-07-20 18:33:00
I have an input signal that is generated using the following statements. Fs = 1.4287e6 (Sampling Frequency) Fbin = 32 (FFT Bin Number) N = 2^17 (FFT points) t = 0:N-1 input = A*Sin(2*pi*(Fbin/N...

## Matlab 'mfilt.cicdecim' and 'filter' functions 0

analog_fever - 2010-07-12 15:47:00
I am trying to see the response of a CIC filter for a set of input data. I created the filter using the function Hd = mfilt.cicdecim(100, 1, 3) set(Hd, ... 'InputWordLength', 3, ... ...

## Re: Decimation filter: Output magnitude response 0

analog_fever - 2010-07-06 15:09:00
> > analog_fever wrote: > > > > > I have a decimation filter which decimates by 100. > > > > > Input sampling frequency fclk1 = 1.6MHz, > > > Output Sampling freq flck2 = 16kHz. > > > > ...

## Sigma Delta - Decimation Filter Design 0

analog_fever - 2010-06-29 12:03:00
I am designing filter to do decimation at the output of a Sigma Delta modulator. Here is the spec - Sampling frequency - Fs - 1.4MHz Decimation factor - D - 100 Input - 3 bits Output resolution...

## Frequency response from Z transform 0

analog_fever - 2010-06-28 14:06:00
I am trying to plot the frequency response of a system given its transfer function. I know about the freqz function in Matlab. The problem is that my Z transfer function has fractional order term in i...

## CIC filter response 0

analog_fever - 2010-06-18 13:47:00
I designed a CIC filter and am trying to plot its response. fclk (sampling frequency) = 1.4MHz D (Decimation factor) = 100 Order = 3 Input bits = 3 Outpu...