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Kaashyap Pappu


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MathWorks

129 2019 年以降の合計貢献数

I am an Application Support Engineer at MathWorks in the Engineering Development Group.

My areas of interest are Signal Processing, Wireless and Satellite Communications, Radar Signal Processing and Image Processing.

DISCLAIMER: Any advice or opinions here are my own, and in no way reflect that of MathWorks.

Kaashyap Pappu's バッジ

  • 3 Month Streak
  • Knowledgeable Level 3
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  • Introduction to MATLAB Master
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Downsampled frequency or original sampling frequency for signal filtering?
You can use the downsampled frequency for design of the required filter. You can look into the Filter Designer App for designin...

約14時間 前 | 0

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CA code for GPS PRN-1
You can use the comm.PNSequence object to generate the gold code for both generators. For the second generator, you will have to...

7日 前 | 0

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dsp.SpectrumAnalyzer in Frequency Doimain for Intermodulation Measurements
I have brought this issue to the notice of our developers. They will investigate the matter further.

8日 前 | 0

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create a matrix of elevations of some defined area
The Read Elevation Data Interactively documentation can help you get started on creating elevation maps. Using the appropriate r...

25日 前 | 0

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Reshape mean vector to 2D mean face image in matlab?
You can use the reshape function to change the vector into a 2-Dimensional array. Following this, you can use the imagesc functi...

26日 前 | 0

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DOA estimation real time
A similar problem has been addressed here. The example provided would need few modifications to accommodate sound waves, instead...

26日 前 | 0

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Out of Memory on classify(...,'ExecutionEnvironment','cpu') on SUSE Linux
This response is just for future reference: Modifying the Name-Value pair, ‘MiniBatchSize’, to a lower value can help with this...

27日 前 | 0

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How do I know the baseband (BB) from FFT?
If you have the frequency-domain samples, you can use the ifft function to get the time-domain samples. Following this, use the ...

27日 前 | 0

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Continuos Wavelet Transform representation
Yes, that is what we would expect. A factor that can affect this is the stopband attenuation of the filter in question. The larg...

27日 前 | 1

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How can I detect notes using a spectrogram?
You can assign a variable to spectrogram to extract the values. Then use the findpeaks function on each column of the output of ...

27日 前 | 0

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5G Dynamic time division duplex on Matlab?
For the transmitting end, the 5G NR-TM and FRC Waveform Generation example is a good place to start from. It allows the option t...

29日 前 | 0

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How to normalize a vector considering both maximum and the sum of values?
You can use the normalize function with the ‘range’ method to preserve the shape of your normalized plot. This will consider val...

29日 前 | 0

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Warning while trying to filter RGB values on a picture
Assuming you are using the Live Editor, as a workaround, you can add the following command immediately after your plotting comma...

29日 前 | 2

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USRP x310 with MATLAB R2018B
The latest versions of MATLAB, R2019A and R2019B, support UHD 3.13. Upgrading to any of these versions are possible alternatives...

約2ヶ月 前 | 0

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Reading certain rows from txt file.
The following code will read the data as you require: % Setup the Import Options opts = delimitedTextImportOptions("NumVariabl...

約2ヶ月 前 | 0

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How can I modify this to receive the same data after demodulation?
You could look into this example to carry out the same operation. Just modify the channel coefficient values to (1,1) and should...

約2ヶ月 前 | 0

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What is uncoded MIMO channel?
As I understand it, uncoded probably points to the source data that does have have any channel coding associated with it. An exa...

約2ヶ月 前 | 0

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Concatenation of interpolation and decimation doesn't work
Decimation is the process of downsampling, followed by filtering. The MATLAB function, by default, filters the input sequence us...

約2ヶ月 前 | 0

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cannot access national instruments hardware
A few troubleshooting tips are documented here.Try a few of the steps provided to see if it works out. You can also try to reins...

約2ヶ月 前 | 0

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Why MATLAB on Macbook Pro behaves weird while working with BLE devices?
I have heard that these issues are known, and the concerned parties may be investigating further.

約2ヶ月 前 | 0

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How can I get real-time waveforms and data from connected oscilloscope?
A good resource to start would be the overview page for the Instrument Control toolbox. There are a few code examples to get sta...

約2ヶ月 前 | 0

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Fit Gaussian mixture model with weighted observations
The function fitgmdist fits a distribution to a given data set. This data set generally has points belonging to the same class t...

約2ヶ月 前 | 0

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Using an Arduino IR camera to plot a heatmap
There are multiple ways to do this. If you are saving data in a text file and then want to load it into MATLAB, you can use fsca...

約2ヶ月 前 | 0

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how implement FFT to ringtone/music
As Walter mentioned, you can use the fft function to carry out the Fast Fourier Transform operation using one the of the example...

約2ヶ月 前 | 0

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无法下载第三方软件: Windows USB drivers for PlutoSDR 这是以下项所需要的: Communications Toolbox Support Package for Analog Devices ADALM-Pluto Radio
Try to reinstall support package keeping the following steps in mind: Go to Add On manager and uninstall the support package, ...

約2ヶ月 前 | 0

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How can i transmit image with OFDM and Receive the same image with OFDM with Pluto ?
This example elaborates how to use Pluto SDR to transmit and receive images using 802.11a standard. This standard uses OFDM for ...

約2ヶ月 前 | 0

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Load a structure in a mat file
A similar issue has been addressed here. The issue and limitation are documented and elaborated upon, and a workaround is also p...

約2ヶ月 前 | 0

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Loss stops calculating with custom layer (weighted cross entropy function)
Whenever the loss value is either “NaN” or “Inf”, the value is not plotted on the curve. On similar lines, the accuracy is near ...

3ヶ月 前 | 0

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Classifying ECG into separate segments
As I understand it, each type of wave has a specific frequency characteristic. Based on this, bandpass filters can be designed t...

3ヶ月 前 | 0

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Time-frequency spectral coherence analysis (desperate need of help)
As has already been suggested by Daniel, the mscohere function can be used. If you are using a custom window, generate the vecto...

3ヶ月 前 | 0

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