Answered

Variable of Integration in Simulink

If the variable x is a function of time x(t), you can use Integration by substitution method ...

Variable of Integration in Simulink

If the variable x is a function of time x(t), you can use Integration by substitution method ...

4 months ago | 0

| accepted

Answered

I'm trying to implement DWT-OFDM in Matlab. But Matlab shows the message, only real value can be available for IDWT.

idwt function accepts Approximate coefficients and Detail coefficients corresponding to the wavelet as a real valued vectors. Tr...

I'm trying to implement DWT-OFDM in Matlab. But Matlab shows the message, only real value can be available for IDWT.

idwt function accepts Approximate coefficients and Detail coefficients corresponding to the wavelet as a real valued vectors. Tr...

4 months ago | 0

Answered

OFDM implementation in Simulink

Create a cyclic prefix extension to the serial IFFT symbols with the help of Selector and Vector Concatenate blocks (extract fro...

OFDM implementation in Simulink

Create a cyclic prefix extension to the serial IFFT symbols with the help of Selector and Vector Concatenate blocks (extract fro...

4 months ago | 0

Answered

Why the spectrum I get from 'Visualization'-'Frequency response' in 'comm.RayleighChannel' is sometimes different from the spectrum I culculate from 'PathGainsOutputPort'?

Seed property corresponds to the generation of random stream.Seed serves as a unique identifier of a pseudo-random sequence i.e....

Why the spectrum I get from 'Visualization'-'Frequency response' in 'comm.RayleighChannel' is sometimes different from the spectrum I culculate from 'PathGainsOutputPort'?

Seed property corresponds to the generation of random stream.Seed serves as a unique identifier of a pseudo-random sequence i.e....

4 months ago | 0

Answered

Filtering using FFT for audio signal

Refer the link https://www.mathworks.com/matlabcentral/answers/503999-filtering-for-multiple-band-of-frequncies which describe...

Filtering using FFT for audio signal

Refer the link https://www.mathworks.com/matlabcentral/answers/503999-filtering-for-multiple-band-of-frequncies which describe...

5 months ago | 0

Answered

Markers enabled to highlight data

Refer Constant Sample Time section in the documentation https://www.mathworks.com/help/simulink/ug/types-of-sample-time.html

Markers enabled to highlight data

Refer Constant Sample Time section in the documentation https://www.mathworks.com/help/simulink/ug/types-of-sample-time.html

5 months ago | 0

Answered

How to show link to block in custom error Diagnostic Viewer

The command to display the link to the current block in the Diagnostic Viewer is as shown sldiagviewer.reportError(sprintf('<a ...

How to show link to block in custom error Diagnostic Viewer

The command to display the link to the current block in the Diagnostic Viewer is as shown sldiagviewer.reportError(sprintf('<a ...

5 months ago | 2

Answered

Sub carrier mapping and IFFT signal formation

Refer the documentation https://www.mathworks.com/help/comm/ref/comm.ofdmmodulator-system-object.html https://www.mathworks.co...

Sub carrier mapping and IFFT signal formation

Refer the documentation https://www.mathworks.com/help/comm/ref/comm.ofdmmodulator-system-object.html https://www.mathworks.co...

5 months ago | 0

Answered

Replacing array elements with cell elements

Once a huffman dictionary created for an alphanumeric data from the message with the probability of occurences obtained from the...

Replacing array elements with cell elements

Once a huffman dictionary created for an alphanumeric data from the message with the probability of occurences obtained from the...

5 months ago | 0

Answered

Cross power spectrum MATLAB

Error occured due to the incorrect matrix dimensions of f1 and vec_Vph in the scatter plot. Try checking the code by modifying t...

Cross power spectrum MATLAB

Error occured due to the incorrect matrix dimensions of f1 and vec_Vph in the scatter plot. Try checking the code by modifying t...

5 months ago | 0

Answered

How to Plot and label the multipath impulse response of the channel.

Refer the documentation https://www.mathworks.com/help/comm/examples/multipath-fading-channel.html

How to Plot and label the multipath impulse response of the channel.

Refer the documentation https://www.mathworks.com/help/comm/examples/multipath-fading-channel.html

5 months ago | 0

Answered

Find index of specific rows of a table with value greater than a threshold

Try the code by adding (initial index - 1) to the find function ind = find(T{initial_index:final_index,column_index} > threshol...

Find index of specific rows of a table with value greater than a threshold

Try the code by adding (initial index - 1) to the find function ind = find(T{initial_index:final_index,column_index} > threshol...

5 months ago | 0

Answered

getting frequency data to time data

ifft function transforms the complex signal data from frequency domain to time domain where the time difference between the succ...

getting frequency data to time data

ifft function transforms the complex signal data from frequency domain to time domain where the time difference between the succ...

5 months ago | 0

Answered

where can i find for perfect coding of OTSU thresholding

Refer the documentation https://www.mathworks.com/help/images/ref/graythresh.html https://www.mathworks.com/help/images/ref/m...

where can i find for perfect coding of OTSU thresholding

Refer the documentation https://www.mathworks.com/help/images/ref/graythresh.html https://www.mathworks.com/help/images/ref/m...

5 months ago | 0

| accepted

Answered

Changing frequency of given data set

Consider voltage vector x Let the frequency shift be delta_f and phase shift be delta_p N = 10000 % number of samples To cha...

Changing frequency of given data set

Consider voltage vector x Let the frequency shift be delta_f and phase shift be delta_p N = 10000 % number of samples To cha...

6 months ago | 0

Answered

Changing data in excel from NA to a previous number in the column?

T = readtable('filename.csv'); % read the file as table T = fillmissing(T,'previous'); % fill NaNs with previous valu...

Changing data in excel from NA to a previous number in the column?

T = readtable('filename.csv'); % read the file as table T = fillmissing(T,'previous'); % fill NaNs with previous valu...

6 months ago | 0

| accepted

Answered

how can I direct entities on simevent basing myself on probability?

Set a probabity vector and assign the port numbers to the entities based on their probabilities. Connect the Entity Output Swi...

how can I direct entities on simevent basing myself on probability?

Set a probabity vector and assign the port numbers to the entities based on their probabilities. Connect the Entity Output Swi...

6 months ago | 1

| accepted

Answered

Pulse shape filter design

Refer the documentation https://www.mathworks.com/help/comm/ref/comm.raisedcosinetransmitfilter-system-object.html https://www...

Pulse shape filter design

Refer the documentation https://www.mathworks.com/help/comm/ref/comm.raisedcosinetransmitfilter-system-object.html https://www...

6 months ago | 0

Answered

2D polar plot with colors according to an array

Refer the documentation polarhistogram

2D polar plot with colors according to an array

Refer the documentation polarhistogram

6 months ago | 0

Answered

Create dipole directional antenna

Refer the documentation https://www.mathworks.com/help/antenna/ref/dipole.html#responsive_offcanvas

Create dipole directional antenna

Refer the documentation https://www.mathworks.com/help/antenna/ref/dipole.html#responsive_offcanvas

6 months ago | 0

Answered

Optimization of Wavelet Analysis - Code Execution Time

cwt function is taking more computations try using cwtfilterbank with reduced VoicesperOctave to speed up the execution.

Optimization of Wavelet Analysis - Code Execution Time

cwt function is taking more computations try using cwtfilterbank with reduced VoicesperOctave to speed up the execution.

6 months ago | 0

Answered

How to calculate Bandwidth of Noise of particular length?

randn function has default mean equals zero and variance equals one irrespective of length of the input vector to which noise ha...

How to calculate Bandwidth of Noise of particular length?

randn function has default mean equals zero and variance equals one irrespective of length of the input vector to which noise ha...

6 months ago | 0

Answered

One tap equalizer design (MMSE equalizer and ZF equalizer)

1. The Optimum response of MMSE equalizer has to be changed W(3,:)= conj(h)./((abs(h)).^2+(var(n)/var(s))); It is observed t...

One tap equalizer design (MMSE equalizer and ZF equalizer)

1. The Optimum response of MMSE equalizer has to be changed W(3,:)= conj(h)./((abs(h)).^2+(var(n)/var(s))); It is observed t...

10 months ago | 0

Answered

mkl-dnn code generation failed with Index exceeding error

Save the DAG network as .mat file Try Codegen by modifying isempty function function out = microstructure_generator(in) pers...

mkl-dnn code generation failed with Index exceeding error

Save the DAG network as .mat file Try Codegen by modifying isempty function function out = microstructure_generator(in) pers...

10 months ago | 0

Answered

average and std deviation of user input of a number of inputs, decided by user.

The following code might help clear all; clc; a=input('Enter the grades'); len = length(a); m=mean(a); sdev = std(a)...

average and std deviation of user input of a number of inputs, decided by user.

The following code might help clear all; clc; a=input('Enter the grades'); len = length(a); m=mean(a); sdev = std(a)...

11 months ago | 0

Answered

How to call the mex function

Configure mex compiler either C or C++ by using MATLAB command in the command window mex â€“setup C / C++ This will automati...

How to call the mex function

Configure mex compiler either C or C++ by using MATLAB command in the command window mex â€“setup C / C++ This will automati...

11 months ago | 1