Palguna Gopireddy

Last seen: 4 dagen ago | Active since 2021

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Resolve: "Dot indexing is not supported for variables of this type."
Hi I am using MATLAB online. I am getting the following error Warning: The JavaFrame figure property will be removed in a futu...

5 maanden ago | 1 answer | 0

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Answered
What are the packages I need to select while installing MATALB for suceessfully installing MATLAB runtime.
came to know that the mmWave studio requires matlab runtime version 8.5.1 (32 bit), which can be dowloaded from the link given i...

5 maanden ago | 0

Question

What are the packages I need to select while installing MATALB for suceessfully installing MATLAB runtime.
I want to use MATLAB runtime installer for TI's mmWave Studio. Since my instistution licence got expired, I downloaded trial ve...

5 maanden ago | 2 answers | 0

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answers

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The maximum value is not changing even after adding 1
I have an image with values ranging from [0,255] It's data is attached below as data.mat below. I read it and added 1 to its...

6 maanden ago | 2 answers | 0

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Answered
How to find the start and end coordinates of main-lobe of rectangular window spectrum.
I have tried this M=66; r=rectwin(M); n=512; r_fft=fft(r,n); r_fft2=fftshift(r_fft); r_fftdB=20*log10(abs(r_fft2)); [Max...

bijna 2 jaar ago | 0

Question

How to find the start and end coordinates of main-lobe of rectangular window spectrum.
The rectangular window spectrum is found like M=66; r=rectwin(M); n=512; r_fft=fft(r,n); r_fft2=fftshift(r_fft); r_fftdB=2...

bijna 2 jaar ago | 1 answer | 0

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Question

How to give different font size to label values and label names?
Using set(gca,'FontName', 'TimesNewRoman', 'FontSize',16,'FontWeight', 'Bold'); We can change the font size of label values ...

bijna 2 jaar ago | 1 answer | 0

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Question

What is the equation of Dolph Chebyshev window that is generated using 'sigwin.chebwin' function?
In the link sigwin.chebwin it has given frequency domain response equation I think. I need time-domain equation. Something like ...

bijna 2 jaar ago | 1 answer | 0

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Answered
Resolution requirements 300-600 dpi..
See this link https://in.mathworks.com/help/matlab/creating_plots/save-figure-at-specific-size-and-resolution.html

bijna 2 jaar ago | 0

Answered
How do I save an image at a specific resolution?
See this link. https://in.mathworks.com/help/matlab/creating_plots/save-figure-at-specific-size-and-resolution.html

bijna 2 jaar ago | 0

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CCS compilation errors for matlab. How to resolve? error #10234-D: unresolved symbols remain error #10010: errors encountered during linking; "*.out* not built
I am trying to write a C program that takes MATLAB .mat file. I am using 'Code Composer studio v12' for the C code. I know we ha...

ongeveer 2 jaar ago | 0 answers | 0

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How to work with texas instruments "TMS320C6748" in matlab
Is it possible to work on TMS320C6748 of texas instruments with MATLAB. If yes, how?. My matlab version is 2022b.

ongeveer 2 jaar ago | 0 answers | 0

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What is the equation used for taylor window function 'taylorwin'
@David Goodmanson and @Chunru. Are you sure the same function is used in matlab also. In https://ieeexplore.ieee.org/docume...

meer dan 2 jaar ago | 0

Question

What is the equation used for taylor window function 'taylorwin'
I am unable to find which function is used in MATLAB for taylor window function taylorwin. I opened the function. THere are many...

meer dan 2 jaar ago | 3 answers | 0

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answers

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Execution time is varying every time I run the program using tic toc. Is there any way to solve this?
I am running a code. The execution time of it is varying. If it of the order of milli seconds I understand it. But it is varyin...

meer dan 2 jaar ago | 1 answer | 0

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Question

Can't prove the convolution theorem of Fourier theorem for two dimensional matrices.
I multiplied two 2D matrices.A, B A=[1 2;1 1]; B=[1 2;2 1]; C=A.*B; I convolved their respective DFTs of 512*512 samples eac...

meer dan 2 jaar ago | 1 answer | 0

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Question

How to get inverse discrete time Fourier transform (IDTFT) of an array?
Apparently, there is no function to get IDTFT of an array. Is there any? I used 'freqz(array,1)' to find the DTFT of an array f...

meer dan 2 jaar ago | 1 answer | 0

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Mexican Hat function plot help
What is the mexihat equation used in matlab. In original equation there is no term called [lb,ub].

meer dan 2 jaar ago | 0

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What is the equation for Mexican hat wavelet defined by 'mexihat' function
I am wondering what would be the equation for the Mexican hat wavelet defined by 'mexihat' function as its equation is not given...

meer dan 2 jaar ago | 1 answer | 0

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Question

How to perform 2 dimensional circular convolution
We have 'conv' and 'conv2' functions in matlab to find 1-D and 2-D linear convolution. But for circular convolution we have onl...

meer dan 2 jaar ago | 2 answers | 0

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answers

Question

How to find IDTFT of an array in matlab?
We have freqz function to find the DTFT of an array which gives the 512 samples (0 to pi) in frequency domain. For example freq...

meer dan 2 jaar ago | 2 answers | 0

2

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Question

how to use the 'user defined' type in the window designer app?
I am trying to use window designer app, and I am unable to use the 'user defined' type in the 'Type' tab of the 'current wind...

bijna 3 jaar ago | 1 answer | 0

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Question

what is the relation between π*radian/sample and Hz in frequency axis of wvtool for windowing?
While using wvtool for windowing the frequency domain horizontal axis is represented in either π*radian/sample or Hz. I am unabl...

bijna 3 jaar ago | 2 answers | 0

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Question

How to create a .mat file with variables
I have an image with 39 point scatterers like this It is loaded from a .mat file named 'Fighter.mat'. The content of Fighter....

bijna 3 jaar ago | 2 answers | 0

2

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Question

How to get Fourier transform of rectangular window as shown by wvtool function?. Why frequency domain of rectwin(M) using fft and wvtool are different?
rectangular window rectwin(M) is plotted in time domain and freuquency domain using wvtool. But when I take fft of rectwin(M...

bijna 3 jaar ago | 1 answer | 0

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Question

radar return signal picturization
I have a radar synthetic aperture radar whose return signal is taken for a point target at 7500m. I am using LFM wave with durat...

ongeveer 3 jaar ago | 0 answers | 0

0

answers

Question

How to plot values at particular column or row in a 2D matrix
I have a 1024*256 matrix i want to plot values in 250th colum. Please answer. Thanks in advance

ongeveer 3 jaar ago | 1 answer | 0

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what is difference between C=+A, C=A, C=unary(A)? All three provide same assignment of matrix A to C
Thanks for the help.

meer dan 3 jaar ago | 0

Question

what is difference between C=+A, C=A, C=unary(A)? All three provide same assignment of matrix A to C
I cant understand the difference between C=+A, C=A, C=unary(A)? All three provide same assignment of matrix A to C. Is there a...

meer dan 3 jaar ago | 2 answers | 0

2

answers

Palguna Gopireddy

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