# 632541

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Question

Why does notch filter coefficients have 10(5 numerator and 5 denominator) for butterworth order 2

Hi , Implemented butterworth stopband(notch) filter, order is 2 Getting 10 coefficients, Designed in matlab Can you pleas...

ongeveer een jaar ago | 1 answer | 0

### 1

answerQuestion

How to execute makefile for C code generated from MATLAB coder

How to execute makefile for C code generated from MATLAB coder? I have C code by Matlab coder. How do i run this in Visual stu...

ongeveer een jaar ago | 1 answer | 0

### 1

answerQuestion

Using matlab coder without installing minGW in matlab

I've not installed MinGW in matlab , Can I use the C codes generated by Matlab Coder? (When i tried to use the codes generated ...

ongeveer een jaar ago | 0 answers | 0

### 0

answersQuestion

Getting difference in magnitude response of filter using freqz and fvtool by giving inputs as filter coefficients, b, a of iir filter

Getting difference in magnitude response of filter using freqz and fvtool by giving inputs as filter coefficients, b, a of iir. ...

ongeveer een jaar ago | 0 answers | 0

### 0

answersQuestion

How to find out roll-off from magnitude response of filter in matlab

How to find out roll-off from magnitude response of filter in matlab? This is from doc frequency response of matlab site htt...

ongeveer een jaar ago | 1 answer | 0

### 1

answerQuestion

How to convert normalized frequency to logarithmic frequency in magnitude frequency response

Hi, How to convert normalized frequency to logarithmic frequency. I have magnitude response of filter, x axis in normalized f...

ongeveer een jaar ago | 0 answers | 0

### 0

answersQuestion

Should the filter frequency response contain magnitude greater than 3dB in magnitude?

Should the filter frequency response contain magnitude greater than 3dB in magnitude at why axis? Below is the frequency respon...

ongeveer een jaar ago | 1 answer | 0

### 1

answerQuestion

How to add low frequency noise to the signal?

How to add low frequency noise (less than 3Hz) to signal in matlab?

ongeveer een jaar ago | 1 answer | 0

### 1

answerQuestion

How to choose stopband ripple and passband ripple of filter for High pass filter

I am using high pass filter. Data known: Cutoff 10Hz. Sampling frequency 50KHz. How can I choose stopband ripple and passban...

ongeveer een jaar ago | 1 answer | 0

### 1

answerQuestion

How to know the frequency of the signal from fft

How do i know the frequency of the signal from fft ? First graph is signal and second is fft of the same . Piece of code for...

meer dan een jaar ago | 0 answers | 0

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answersQuestion

What is the reason for adding 1 to magnitude of sine when we want to send samples to DAC (12 bit resolution)?

I'm not understanding reason for using y=y+1; We know that sin(0) is 0 . But getting 2048 as first sample. What is the reason ...

meer dan een jaar ago | 1 answer | 0

### 1

answerQuestion

Getting wrong sine wave for frequency 10KHz

Hi, I'm plotting sine wave with frequency 10KHz. But not getting it as expected. What is the reason for this? Code is here ...

meer dan een jaar ago | 1 answer | 0

### 1

answerQuestion

FFT of discrete signal .Should use nextpow2 or not

Hi , Number of samples= 50000 samples. m=[ 0 54 ...................................................] m is the discrete signa...

meer dan een jaar ago | 1 answer | 0

### 1

answerQuestion

Getting two components for one frequency in FFT

Hi, I'm getting 2 freq in fft . But I have signal at 1MHz. Getting peak at 999000 and next is at 1MHz.(other frequencies a...

meer dan een jaar ago | 1 answer | 0

### 1

answerQuestion

Any limitation to FFT calculation for large sampled signals

Hi, I'm finding FFT of signal . Sampling frequency is 1KHz and sampling freq is 50MHz Number of samples =fs/f=50000. For the...

meer dan een jaar ago | 1 answer | 0

### 1

answerQuestion

Order of the filter

Hi, I'm designing the bandpass filter . The frequency range of the signal is :min:1KHz ...

meer dan een jaar ago | 0 answers | 0

### 0

answersQuestion

Number of taps for filtering

Hi , How to calculate number of taps required to design bandpass filter with sampling frequency 4MHz and signal has the freq...

meer dan een jaar ago | 0 answers | 0

### 0

answersQuestion

Error occurred for zp2sos while generating C code from matlab code

Hi , I am geeting error at zp2sos function while converting c code from matlab using coder . Function 'zp2sos' not supported f...

meer dan een jaar ago | 0 answers | 0

### 0

answersQuestion

FFT of array of signals

My signal is array of numbers captured from sensors. Like, x=[2 5 3 2 1 4 2 33 45 ] ; Can I compute the frequency response of...

meer dan een jaar ago | 1 answer | 0

### 1

answerQuestion

evaluation of anonymous function

r=1e-2; V0=1e-6; m=1; if(m<4) V=@(x) (0.5+0.5.*sign(r.^2-x.^2))*V0; else ...

bijna 2 jaar ago | 2 answers | 0

### 2

answersQuestion

Relationship between noise power and noise floor

What value should i give in bandlimited white noise block if the noise floor is 0.5nV/rtHz ? What should be the value in noise...

bijna 2 jaar ago | 0 answers | 0

### 0

answersQuestion

Noise reduction caused by band limited white noise

the signal strength at receiver is 200uV and noise is added to signal before amplifying . The noise floor is 0.7nV/rtHz . ...

bijna 2 jaar ago | 0 answers | 0

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answersQuestion

Parameterizing the variables in simulink

Can I parameterize the variables in simulink ? Like, I need to give value for one parameter and execution happens. Then it s...

bijna 2 jaar ago | 1 answer | 0

### 1

answerQuestion

display of variables using @

I have a variable in for loop , V. V defined as, V=@(x ) 5.*sign(r.^2 +x.^2); where r=0.1; How to display the V in command ...

bijna 2 jaar ago | 1 answer | 0

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answerQuestion

How to use time series signals from simulink to workspace in plot?

How to use time series signals from simulink to workspace in plot? plot(t,y); Consider y is timeseries signal from simulink t...

bijna 2 jaar ago | 1 answer | 0

### 1

answerQuestion

How to send Simulink variable to matlab?

How to send simulink variable to matlab? I have a variable like a sine wave which is generated in simulink using signal genera...

bijna 2 jaar ago | 2 answers | 0

### 2

answersQuestion

Can I plot three different group of signals in one XY plane?

Can I plot three different group of signals in one XY plane? Like, First 5 signals in one plot which can be overlapped , 6t...

bijna 2 jaar ago | 1 answer | 0

### 1

answerQuestion

25%[Most editing locked] in simulink

25%[Most editing locked] . this is the pop-up I get in simulink after simulating and the thickness of waveforms is too much arou...

bijna 2 jaar ago | 0 answers | 0

### 0

answersQuestion

only three pulse generation

The signal should be initial delay in few nano sec three pulse around 200 ns period after three cycles the signal should ha...

bijna 2 jaar ago | 1 answer | 0

### 1

answerQuestion

how to check time in if statement?

In if statement i want to check the timing of the signal . I mean for zero second output is 5 else 2 . And this repeats for few ...

bijna 2 jaar ago | 1 answer | 0