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DURCHSCHNITTLICHE ANZAHL DER LIKES
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Which spectrum (pwelch vs. spectrumAnalyzer) is correct?
I have two data which I want to see difference in frequency domain. I tried with pwelch function which shows they are quite clos...
7 Monate vor | 0 Antworten | 0
0
AntwortenFrage
Shows "vertcat error" in CIC
I had a vertcat error while using a CIC filter. It seems that's because y is a row vector. Once I changed y to a column vector l...
8 Monate vor | 1 Antwort | 0
1
AntwortFrage
FIR filter decomposition (single rate)?
I have a long single rate FIR filter. Due to a hardware limitation, I want to decompose it into two or more cascaded FIR filters...
8 Monate vor | 1 Antwort | 0
1
AntwortFrage
Filter cascade with raised cosine filter and half-band filter
I've created a raised cosine filter and a half-band filter, respectively, and want to cascade them. However, I got "Numeric stag...
10 Monate vor | 1 Antwort | 0
1
AntwortFrage
How to get LUT values from the NCO object?
I'm trying to learn NCO and MATLAB has the following example. df = 0.05; % Frequency resolution = 0.05 Hz minSFDR = 96; % Spur...
11 Monate vor | 1 Antwort | 0
1
AntwortFrage
Number of bits per symbol (m) range in Reed-Solomon coding
I'm playing around with Reed-Solomon codes. In the parameters of rsenc, help shows m represents the "number of bits per symbol" ...
mehr als ein Jahr vor | 2 Antworten | 0
2
AntwortenFrage
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 ...
mehr als ein Jahr vor | 2 Antworten | 0
2
AntwortenFrage
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,...
fast 2 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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...
fast 2 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
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 = ...
fast 2 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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...
etwa 2 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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...
etwa 2 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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...
etwa 2 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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: ...
etwa 2 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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...
etwa 2 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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. ...
etwa 2 Jahre vor | 1 Antwort | 0
1
AntwortCPFSK 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...
mehr als 2 Jahre vor | 0
| akzeptiert
Frage
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...
mehr als 2 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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...
mehr als 2 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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...
mehr als 2 Jahre vor | 1 Antwort | 0
