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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

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Question


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

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Question


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

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Question


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

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answers

Question


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

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Question


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

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Question


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

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Question


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

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Question


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

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Question


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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Question


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

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Question


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

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Question


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

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Question


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

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Question


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

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Question


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

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Question


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

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Question


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

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Question


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

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Question


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

answers

Question


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

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Question


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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Question


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

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Question


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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Question


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

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Question


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

answers

Question


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

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Question


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

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Question


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

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Question


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

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