Community Profile # Arthi Sathyamurthi

Last seen: 8 dagar ago Active since 2021

All the answers posted are my own and MathWorks is not responsible for the same

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How to put matrix into a table (App designer)
Hello Mena, The error “dimensions of arrays being concatenated are not consistent” is encountered when you try to concatenate a...

How does Matlab calculate an antenna's input impedance?
Hello, Once the custom mesh and feedpoint is created, the impedance function calculates the input impedance of the antenna by f...

An 802.11g WiFi link simulation using WLAN toolbox
Hello Ardavan, You can look at the MathWorks documentation in this link to know how to create basic link model in Matlab. Furth...

BPSK SIGNAL using random bits
Hello Darshan, You can look at the following Matlab Answers link on how to generate BPSK signal. https://www.mathworks.com/mat...

Nyquist Plot of exponential function
You can use the nyquist or nyquistplot function in MATLAB to create a Nyquist plot of the frequency response. You can use the f...

Somebody help me to explain this code. Also mention about how to obtain snr from this code.
This code performs the FFT on the audio signal, Chebyshev filters the same and performs FFT on the filtered signal. And further,...

Calculate the THD in percent
Hello Meikel,Your attached zip file looks corrupted. Try attaching it again for a more precise support. From the other informati...

how can I do SSB Modulation and demodulation using matlab
Hello Hema, To do SSB Modulation and demodulation in Simulink, use the SSB AM Modulator Passband and SSB AM Demodulator Passban...

Convolution of rect pulses with impulses
The error “Incorrect dimensions for matrix multiplication” obtained from simulating your code occurs when the two matrices have ...

Antenna facet edge (segment) currents?
Obtaining each facet’s current individually cannot be done using current function. As a possible workaround/solution you can inc...

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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...

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...

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...

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 ...

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...

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...

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...

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...

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...

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...

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...

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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