vidyesh
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Contribute at least one answer each month for 6 consecutive months
Awarded to vidyesh on 02 Mar 2024
3 of your answers have been accepted
Awarded to vidyesh on 17 Oct 2023
Provide your first answer ever to someone else's question
Awarded to vidyesh on 22 Sep 2023
Feeds
How do I assign frequency values to the obtained fft values without plotting . I need to know the value of the peak at 16Hz for further calculations.
Hi Yogesh, You can use the max function to find the value of the peak and its index in the array. Then use the index to get th...
3 månader ago | 0
| accepted
Can I change the Simulink default settings in bode plots like frequency unit in Hz instead rad/s and define a fix frequency range in "Model Linearizer"?
Hi Rai, You can change the unit of frequency in the plots using the 'Toolbox Preferences Editor'. https://www.mathworks.com/he...
3 månader ago | 0
Can I change a resistors resistance during simulation in simulink?
Hi Vágó, You can accomplish this by using a Variable Resistor block: https://www.mathworks.com/help/simscape/ref/variableresi...
3 månader ago | 0
| accepted
Why is SNR independent of the received signal power?
Hi, The nosie parameter n is inversely dependent on SNR value in the given example. Therefore for higer SNR, the noise values a...
3 månader ago | 0
How do I add AWGN noise to a RF Signal at the receiver ?
Hi Narayan, 1.So, How can we relate those two things ? In the matlab example code, N0 is calculated based on the SNR, NFFT and ...
3 månader ago | 0
| accepted
how can I know which data types I need precisely?
Hi SimTec, Your question touches on the trade off between accuracy and computational cost of a system. Single precision, with i...
3 månader ago | 0
Digital Butterworth Bandpass Filter
Hi Hassan, The error you're encountering is due to the cutoff frequencies being outside the expected range for the buttord func...
3 månader ago | 0
Inverse of xcorr?
Hi Mariano, Inverse of the cross-correlation can be calculated using the deconv function (as suggested by Jonas). Note that f...
3 månader ago | 0
LTE Toolbox Index Returning Functions
Hi Hakan, The indices returned by the ltePUCCH1DRSIndices function are organized according to the PUCCH format 1 DRS modulation...
3 månader ago | 0
Obtaining the Percentage Error from a set of data
Hello Hasan, Based on the requirements for combining seven matrices, there are two scenarios to consider depending on the unifo...
4 månader ago | 0
MLSE Equalizer Traceback depth and BER
Hello Nicola, The effectiveness of Traceback depth 20 in your MLSE Equalizer setup for a Rayleigh fading channel wit...
4 månader ago | 0
Comparing Numerical and Monte carlo simulation for Erlang B loss formular
Hello Daniel, The discrepancy in your results likely stems from generating random values for the Poisson arrival rate (λ) i...
4 månader ago | 0
discrete wavelet transform data format
Hello, Many wavelet functions are designed to analyze patterns or frequencies in your data, often without the need for direc...
4 månader ago | 0
| accepted
Data length error in OFDM Simulink
Hello Rajmouli, I understand you're encountering an error when calculating the error rate, stemming from a mismatch in the l...
5 månader ago | 0
How do I further compute hermitian symmetry IFFT
Hi Marcin, I understand you're interested in the differences between manually constructing a Hermitian-symmetrical matrix f...
5 månader ago | 0
How to filter by row and print out different row if within boundary.
Hi Santiago, I understand the problem as follows: we have a set of trials, each consisting of 5 columns. The goal is to che...
5 månader ago | 0
how to use the 'histfit' function for cell arrays?
Hello, I understand that you're looking to create a histogram for all the values within your cell array ‘S7’ combined, and ...
5 månader ago | 0
recursive fft function- return if function
Hi Liron, It looks like your recursive FFT function is almost correct, but it's currently appending extra values at the end ...
5 månader ago | 0
Performance Measures - Comparing measurement data with simulation data
Hi Ali, I am assuming you want to perform mathematical operations on data that share the same timestamps. To accomplish this...
5 månader ago | 0
The N-Point Moving Average (MA) Filter
Hello, I see that you're working on implementing an N-point moving average filter in MATLAB and are encountering a couple of is...
5 månader ago | 0
Why N point FFT of a under-sampled signal in time domain is worse than only a N point FFT of the time domain signal (Not resampled)
Hi Tworit, It is my understanding that you are trying to discern why an N-point FFT of an undersampled signal yields worse ...
5 månader ago | 0
16-QAM constilation
Hi Vikas, For generating 16-QAM symbols for a 2x2 MIMO system with equal probability using the rand function in MATLAB, you can...
5 månader ago | 0
Why 'Port width mismatch' error occurred?
Hi Patryk, It seems there might be a small typo in your function block. The correct function name is atan2d, not 'atand2'. Afte...
5 månader ago | 0
OFDM system with channel estimation code error in modulate
Hi albin, The issue you're encountering with the modulate function is due to an incorrect number of input parameters. The modul...
5 månader ago | 0
Is my LDPC BER curve right?
Hi Rishi, From the figures you've provided, it looks like the BER is quite low for SNR values of 0 and 1 dB, falling below . Si...
5 månader ago | 0
A signal has the information of two different freqency. How to distinguish betwwen these two frequencis?
Hi Tasin, I understand that you are trying to isolate the amplitude and phase of two closely spaced frequencies within a receiv...
6 månader ago | 0
CSI of the guard-band subcarrier in 5G channel
Hi Abdelwahab, I see that you're seeking clarification on how the number of subcarriers is determined, specifically ...
6 månader ago | 0
cwt and wcoherence different periods
Hi Elif, You've noticed a difference in the period values when comparing the results from the continuous wavelet transform; cwt...
6 månader ago | 1
How to get the complex-valued impulse response coefficients from comm.RayleighChannel
Hi Imran, To obtain the complex impulse response coefficients of a multipath Rayleigh fading channel, you can pass a impulse si...
6 månader ago | 0
The outage probability that the recieve SNR is greater than SNR_{th}
Hi A_SD, It is my understanding that you want to calculate the outage probability () of 10 users when minimum rate () is grea...
6 månader ago | 0
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