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Palguna Gopireddy


Last seen: 12 giorni ago Active since 2021

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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...

circa un mese 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...

circa un mese ago | 3 answers | 0

3

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...

circa un mese ago | 1 answer | 0

1

answer

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...

circa 2 mesi ago | 1 answer | 0

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answer

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...

2 mesi ago | 1 answer | 0

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answer

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

6 mesi ago | 0

Question


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...

6 mesi ago | 1 answer | 0

1

answer

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...

7 mesi ago | 2 answers | 0

2

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...

7 mesi ago | 2 answers | 0

2

answers

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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...

7 mesi 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...

7 mesi ago | 2 answers | 0

2

answers

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....

7 mesi ago | 2 answers | 0

2

answers

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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...

8 mesi ago | 1 answer | 0

1

answer

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...

10 mesi ago | 0 answers | 0

0

answers

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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

11 mesi ago | 1 answer | 0

1

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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...

circa un anno ago | 2 answers | 0

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answers