Suraj Kumar

Last seen: 3 dagen ago | Active since 2024

Followers: 0 Following: 0

Statistics

RANK
1.174
of 298.634

REPUTATION
62

CONTRIBUTIONS
0 Questions
114 Answers

ANSWER ACCEPTANCE
0.00%

VOTES RECEIVED
9

View badges

Feeds

Answered
Triangular wave form with skew and delay period
Hi Karthik, To generate a triangular waveform with a specified skew and delay period in MATLAB, we should initially define the ...

ongeveer een maand ago | 0

Answered
MATLAB - Signal Noise Ratio
Hi @long le, To estimate the delay ( k ) in a received signal that is a noisy, attenuated, and delayed version of a damped sine...

ongeveer een maand ago | 0

Answered
digital filters and DFT
Hi Jone, To design a length-19 FIR lowpass filter using frequency sampling and the inverse FFT without using 'fir2', you can re...

ongeveer een maand ago | 0

Answered
why are the scalogram coefficients given in a table rather than matrix?
Hi Lucrezia, To extract the scalogram coefficients which are stored in table format and convert them into a matrix format, you ...

ongeveer een maand ago | 0

Answered
How to image de-noise whit (Wavelet) using dwt3 and idwt3
Hi Lech, To extend your 2D wavelet denoising approach to 3D using 'dwt3' and 'idwt3', we will need to adjust the code to handle...

ongeveer een maand ago | 0

Answered
Replace characters in strings that meet a condition
Hi Paul, To replace the characters 'HH' in the strings we can use logical indexing with the contains function to identify which...

ongeveer een maand ago | 0

| accepted

Answered
Sampled signal spectrum ?
Hi Nabil, To plot the spectrum of a sampled signal in MATLAB, we can use the Fast Fourier Transform (FFT) to convert the time-d...

ongeveer een maand ago | 0

Answered
extracting data from wavelet
Hi Devi, To extract variance data from a wavelet plot in MATLAB, we can start by computing the Continuous Wavelet Transform (CW...

ongeveer 2 maanden ago | 0

Answered
How to determine onset and offset for a continuous data?
Hi Lim, To determine the onset and offset of peaks for each cycle in sinusoidal-like continuos data, you can go through the fol...

ongeveer 2 maanden ago | 0

Answered
discrete wavelet transform (DWT)
Hi Barney, To perform a discrete wavelet transform (DWT) on a signal with a sampling frequency of 6 Hz you can go refer to the ...

ongeveer 2 maanden ago | 0

Answered
Error of extraction the text in DWT
Hi Ei Sandar, To resolve the issues that you are facing with extracting the message using the Discrete Wavelet Transform (DWT) ...

ongeveer 2 maanden ago | 0

Answered
Inverse the accidental add of time-shifted version of my audio signal
Hi Maria, I understand you're trying to recover your original audio signal ( x(n) ) from the combined signal ( z(n) = x(n) + x(...

ongeveer 2 maanden ago | 0

Answered
How to includ/plot the local maxima date on a plot?
Hi Wolfgang, From what I understand you want to plot the local maxima, annotate them with their corresponding dates and highlig...

ongeveer 2 maanden ago | 0

Answered
How to generate a square wave with specif values
Hi Edoardo, To generate a square wave in MATLAB that starts at a baseline value c0 and reaches a maximum value of c0 + Vmax, yo...

ongeveer 2 maanden ago | 0

Answered
Convolve a chirp signal with a dirac (kronecker delta) function (1 at x=1 and x=-1 and -1 at x=0)
Hi Sam, The 'frest.Chirp' function in MATLAB is used to create a frequency response estimation input signal, specifically a chi...

ongeveer 2 maanden ago | 0

Answered
How to plot a cone of influence with the old CWT version?
Hi @Godspeed Sun, To plot the cone of influence(COI) with the old CWT version you can manually calculate the COI and then plot ...

ongeveer 2 maanden ago | 0

Answered
How to make the spectrum of two spikes?
Hi Maria, To perform spectral analysis on spike trains in MATLAB, you can start by creating a time series that represents your ...

ongeveer 2 maanden ago | 0

Answered
How to extract ENF from audio in matlab?
Hi @振贤倪, The ENF is typically embedded in audio files due to the electromagnetic interference from power lines. Following ar...

ongeveer 2 maanden ago | 0

Answered
the axis in wavelet transform
Hi Eva, When you perform a wavelet transform (WT), such as the discrete wavelet transform (DWT) using the Daubechies wavelet ('...

ongeveer 2 maanden ago | 0

Answered
How to add delay
Hi @Mohamed Mahir, To introduce a delay between each DTMF signal generated by your Key_generator function, you can add a period...

ongeveer 2 maanden ago | 0

Answered
how to export plot from matlab2021a to excel using Mac
Hi @cheng li, To export a plot from MATLAB 2021a to Excel on a Mac, you can refer to the following steps and attached code snip...

2 maanden ago | 0

Answered
draw isodosecurve with contour code in matlab
Hi @zahra khodakarami, To draw isodose curves using the contour function in MATLAB, you can follow these steps and refer to the...

2 maanden ago | 0

Answered
CNN methods to convert one-dimensional network traffic that is .csv file into two-dimensional grayscale images
Hi @Sarkunavathi A, To convert one-dimensional network traffic data from a CSV file into two-dimensional grayscale images using...

2 maanden ago | 0

Answered
How to regrid from finer to coarser resolution?
Hi @SUDIPTA GHOSH, Based on my understanding your query is about regridding data from a finer resolution (1-degree by 1-degree)...

2 maanden ago | 0

Answered
How can i Reshape columns for 34400x202 table
Hi @Ömer Faruk Kilic, From what I understand you want to reshape the second matrix so that it matches the number of rows in the...

2 maanden ago | 0

Answered
How can I enter a variable disturbance as a matrix input
Hi @Mohamed Amine TAIB, To include a variable disturbance in a MATLAB system, especially when dealing with state-space represen...

2 maanden ago | 0

Answered
How do you plot an ellipse on a poincare graph using standard deviation 1 and 2 as the radii?
Hi @Louise Kennedy, To plot an ellipse on a poincare graph using MATLAB, where the ellipse is centered at the mean and has stan...

2 maanden ago | 0

Answered
Write the function to return the x and y coordinates of the input pixel’s connected neighbours, i.e., the x and y coordinates of all pixels in the set c(p) for the given P.
Hi @RAHUL SURESHBABU, You were on the right track to find the x and y coordinates of all connected neighbors of a specific pixe...

3 maanden ago | 0

Answered
Error using extract Expected audioIn to be one of these types: single, double Instead its type was cell. Error in audioFeatureExtractor/extract (line 626) valid
Hi @SRIDHAR C, The error message you're encountering indicates that the extract function is expecting the input audioIn to be o...

3 maanden ago | 0

Answered
Wavelet analysis of timeseries data
Hi @Sabita, To perform wavelet analysis on a time series of daily temerature data using MATLAB, you can go through the followin...

3 maanden ago | 0