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Exploded Bar plot (stacked)?
Hello Dominik, Currently we are not supporting 'explode' feature in the bar plot function. I have brought this issue to the not...

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How do i replace the function modem.qammod with the function qammod?
Hello Sanket, To modulate an input signal x by using QAM with the specified modulation order M and the symbol order symOrder us...

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Include a Dual feed antenna in Simulink
Hello Visweswaran, Once you develop the MATLAB models of PCB antenna as in pcbStack you can make it as a MATLAB function and in...

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qammod() and fft() function resizing problem
Hello Marcin,QAM modulation modulates input signal by the specified modulation order, combining bits of input, mapping and modul...

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How can I Simulate the bit error rate (BER) of the binary antipodal signaling??
To simulate the bit error rate (BER) of the binary antipodal signaling in the Rayleigh channel, do the modulation necessary for ...

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How to calculate the duty-cycle of a WiFi signal in WLAN toolbox?
Hello Susan,Duty cycle is the fraction of one period in which a signal or system is active. In the BLE coexistence model with WL...

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XY Graph Block Question
Hello Timo, To plot multiple graphs for different simulation time or for values in the iteration use the To Workspace block and...

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How to simulate an M/M/1 queuing system with exponential distribution on MATLAB 2021?
You can look at the M/M/1 Queuing System example in the MathWorks documentation link here. Further the error "The system canno...

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frequency analysis with a Waterfall
Hello Fabian, To get diagram specific values like maximum magnitude with their corresponding frequency and time, from just visu...

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How can I solve this error?
Hello John, This error occurs when your model has some algebraic loops where the some signal loop could create a circular depen...

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Error: Unable to perform assignment because the left and right sides have a different number of elements.
Hello Alexis, The error has occurred because both sides of the equation doesn’t have equal number of elements. Hence, try repla...

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RF Blockset S-Parameters frequency vector
Although applicable at any frequency S parameters change with the measurement frequency. The Network Parameter Values in the S –...

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Real signal DPSK demodulation
Hello Federico,Considering you sampled a real DPSK signal (assuming the QPSK is a typo, as QPSK sampled signals require QPSK dem...

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representation of the QPSK modulated signal
Hello Niloofar, To get the code corresponding to the functionality of the QPSK modulator block, use comm.QPSKModulator. To get...

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How to do PSD measuremnet for the given signal
Hello Sarfaraz, The units of the PSD estimate from the pwelch function are in squared magnitude units of the time series data...

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Why Does eig() Not Throw an Error for Non-Square, Symbolic Input?
This bug has been fixed and the updates will be available in the future release.

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Translation of Python to Matlab
Hello Simon, You can see the MathWorks documentation here to know how to append new rows to a matrix. Incase you want to append...

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Test Manager - Trigger response assessment with variable time
Since T_min gets defined only when a trigger occurs the possibility that during first trigger, T_min is unassigned properly and ...

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Duplicate live script figure appearing
There are few possible reasons this might have happened in your case, Sometimes you might have initialized or created an object...

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EMI/EMC based lab mini projects/experiments
Hi Swati, You can design an EMI and EMC based circuit design using the RF Toolbox or Simscape and further analyze for results us...

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Exception in thread "AWT-EventQueue-0": java.lang.IllegalArgumentException: 'frame' cannot be null
Hi Vishal, This is a Java related issue. You can find answer to a similar question here.

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Implement discrete pseudo Wigner distribution in matlab
You can call the ‘wvd’ function from Signal Processing Toolbox to get the smoothed pseudo Wigner-Ville distribution of an Input ...

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Call Scripts during Simulink Simulation
There are few possible ways to your question, You can call a MATLAB script from Simulink by using any of the callbacks as per...

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How to plotthe estimated probability of a bit error for FSK
Hi Mahabba, The berawgn takes Eb/N0 value as bit energy to noise power spectral density ratio (in dB). This requires calculatin...

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Getting symbolic equation into a format that can be used as a function for fmincon
From the limited information provided, I assume that you give a symbolic variable to the FMINCON function. Kindly check the clas...

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How to write my own extrude function
You can directly use the extrude function in the MATLAB PDE toolbox. Further if you want to calculate the distance of a single p...

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Known the ideal and real phase response of analog filter, how to design all-pass filter using the phase difference to obtain linear phase response?
All Pass filter basically provides fixed phase shifts depending on the frequency of the input signal. The phase shift change dep...

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QAM Modulation, Demodulation, Detection, and Eye Diagrams
Since this seems like a homework assignment, if you can provide the code you've written to solve the problem and ask a specific ...

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ODE 45 Solver Help
Hi Skye, In your first file you have missed to change the function handle name to the name of second file ‘ode_sys_2equations’ ...

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phase shifting for ssb modulation
You can use the ssbmod function with required input arguments which will do the complete single sideband amplitude modulation wi...

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