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Jay


Last seen: 14 days ago |  Active since 2023

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Update a value in a struct in another function
I have a struct which is initialized by this: function myStruct = defult_config myStruct.myLenth = 1; end myStruct.myLength ...

1 month ago | 2 answers | 0

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answers

Question


How do I know how the output of FIR filter were calculated (e.g., each of summands of the FIR)?
For a given set of FIR coefficient b and input data input, I generate FIR output using filter function (e.g., output = filter(b,...

4 months ago | 0 answers | 0

0

answers

Question


CIC compensation filter design
I have a CIC filter as below: Decimation factor: 20 Differential Delay: 1 Number of sections: 4 I created cicDecim object by...

6 months ago | 0 answers | 0

0

answers

Question


How to do a Biquad (SOS) filtering
I have the following filters which I want to implement with cascade of multiple second-order sections (SOS). %% Filter_1 h = ...

6 months ago | 1 answer | 0

1

answer

Question


convert decimal to hex with 3 digit
I just realized that converting -30 to hexadecial by dec2hex(-30) is different from its converting back by hex2dec('E2'). Any su...

7 months ago | 1 answer | 0

1

answer

Question


The location of decimated sample in CIC Decimator?
In a CIC Decimator, which sample is chosen among others? For example, here is the original input. input = [x1 x2 x3 x4 x5 x6 x7...

7 months ago | 0 answers | 0

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answers

Question


The first CIC Decimator output is always zero
It seems that the first CIC Decimator output is always zero and I don't understand its behavior. I generated the input data and...

7 months ago | 1 answer | 0

1

answer

Question


CIC decimation output is strange (Output word length and negative fractional length)
I'm implementing fixed point CIC decimation filter with following requirements -- Decimation factor: 20 Number of CIC stages: ...

8 months ago | 1 answer | 0

1

answer

Question


Magnitude response of allpass filter - group-delay equalization of an IIR filter
In iirgrpdelay help page, the following example was provided for a group delay equalization of an IIR filter: [be,ae] = ellip(4...

8 months ago | 1 answer | 0

1

answer

Question


Converting 4th order IIR filter to SOS (second-order sections)
I've designed 4th order allpass IIR filter using 'iirgrpdelay' and have the numerator and denominator which are 1-by-5 vectors. ...

8 months ago | 1 answer | 0

1

answer

Answered
CPFSK demodulator performance in MATLAB example with enabling modulation index
This is self-answering - I found the reason why the error rates are strange other than "modulation index" of 0.5. CPFSKDemodulat...

10 months ago | 0

| accepted

Question


CPFSK demodulator performance in MATLAB example with enabling modulation index
I've been checking CPFSK performance against various modulation indices and SNR. MATLAB has nice examples in comm.CPFSKModulat...

10 months ago | 1 answer | 0

1

answer

Question


Number of filter taps in Gaussian filter design
Hello, I'm desinging a pulse shaping filter where the filter covers a span of 5 inputs symbols and 12 times of input symbol r...

10 months ago | 1 answer | 0

1

answer

Question


Oversampling factor parameter for fsk modulation with gaussian shaping filter
Hello, I have been playing around with fskmod with gaussdesign (e.g., fsk modulation and filtering with a gaussian shaping filt...

10 months ago | 1 answer | 0

1

answer