Community Profile # Abirami

Active since 2014

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Question

BER Vs SNR plot for binary data obtained
Hello I have binary data of transmitted and received signal [dimensions 130 x 1]. I need to plot BER/SNR curve for it. I have g...

4 years ago | 0 answers | 0

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Question

how to reduce the running time of the code?
Hello, The following code takes around 25 minutes to run...it is based on image processing...i need to reduce the computatio...

4 years ago | 3 answers | 0

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Question

How to get the sparameter trace output from N9917A
I'm using a N9917A Agilent's Network Analyzer. I have difficulty in getting the output from the analyzer. I have interfaced ...

5 years ago | 0 answers | 0

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Question

how to convert decimal values into 8bit binary sequence and represent in a 256*256 matrix
hello I have used the following code to represent decimal values in a matrix to 8bit binary sequences in place of each value....

5 years ago | 2 answers | 0

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Question

How to call a function
I have a function which is written according to the following table, Somehow the function is wrong,Please help me in correcting ...

7 years ago | 1 answer | 0

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Question

How to perform reverse permute to an already permuted matrix?
Hello, I have taken a color image as input and separated out the R G and B components. And then I converted the three pla...

7 years ago | 0 answers | 0

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Question

How to perform XOR on a char matrix?
Hello, I have a 1x5 char matrix. I need to perform a bitwise XOR operation on all the elements in the matrix.If T is the ...

7 years ago | 0 answers | 1

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Question

How to group elements of a logical array?
Hello, I have a logical array of size 64x256. I want the result to be a cell array of size 64x16 where each cell has 16 bit d...

7 years ago | 2 answers | 0

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Question

How to XOR two cells from the same cell array?
Hello, I have one array of size 1x1024. I want to XOR each cell of the array. The first cell remains the same.It is as ...

7 years ago | 2 answers | 0

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Question

How to use if statement in cells
Hello I have doubts in using if condition in matlab.I have to perform the following operation in a cell. Final={ S...

7 years ago | 1 answer | 0

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Question

how to perform bitwise logical xor for two matrices having 13 bit binary data each?
I have two cell arrays with each element having 13 bit binary strings. How to perform bitwise XOR for these two cell arrays. ...

7 years ago | 3 answers | 0

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Question

How to use the if condition in matlab?
Hello I have doubts in using if condition in matlab.I have to perform the following operation in a cell. Final={ S...

7 years ago | 1 answer | 0

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Question

How to perform multiplication in cells?
Hello, I have a cell array 'y2a' of size <1x128> with each cell containing another cell array of size <1x17>(for eg: y2a...

7 years ago | 2 answers | 0

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Question

How to multiply data from cells?
Hello, Consider I have a cell array of size (1x20). I want to multiply all the elements of the cell and display it as a s...

7 years ago | 1 answer | 0

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Question

How to access a group of bits from a string ?
Hello, I have a problem on how to access a specific range of bits from a given string Consider I have a 20 bit string...

7 years ago | 1 answer | 0

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Question

How to create a function in matlab
Hello I need to create a function for finding out the intial values of a logistic map. The logistic map is given by ...

7 years ago | 1 answer | 0

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Question

How to calculate the correlation coefficient in an image?
In order to find the correlation between two adjacent pixels (horizontal, vertical and diagonal), I have randomly selected 3000 ...

7 years ago | 2 answers | 0

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Question

How to remove gaussian noise?
Hello, I'm working on image encryption. I need to see how well my encryption is so i thght of adding noise and testing it....

7 years ago | 2 answers | 0

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Question

how to scramble positions of a matrix?
Hello, I've been trying to scramble the positions of a matrix. I have generated two sequences which help us to scramble the...

8 years ago | 2 answers | 0

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Question

how to decrease the time consumption of the code
Hello I've already got a lot of help in developring the encryption technique from matlab answers. Now i have another problem...

8 years ago | 1 answer | 0

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Question

how to convert a cell containig 8bit niary sequence to integer value
Hello i need to convert an 8bit binary sequence into decimal. i used the bin2dec function but somehow the results are all 1....

8 years ago | 1 answer | 0

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Question

explanation for syntax of arrayfun
Hello can anyone explain the syntax of the following code pls... B= arrayfun(@(x) x, A, 'uni', 0); thanks i...

8 years ago | 1 answer | 0

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Question

how to perform bitwise XOR operation and scramble two matrices
Hello I need to perform XOR operation for four variables where each of them are represented as follows A=00...

8 years ago | 4 answers | 0

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Question

Scramble the positions of a cell array
I have two cell array as follows Z= (2,5) (2,3) (2,1) (2,2) (2,4) (4,5) (4,3) (4,1) (4,2) (4,4) (5,5) (5,3) (5,1...

8 years ago | 2 answers | 0

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Question

matrix operatios to convert two vectors into a matrix
Hello, is it possible to obtain a matrix as follows. X and Y are the input vectors required to change into a matrix.. ...

8 years ago | 1 answer | 0

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Question

chaotic sequence generation from chen's hyperchaotic system
Hello I need to generate two chaotic sequences based on chen's hyperchaotic system.It has to be generated from the following...

8 years ago | 1 answer | 0

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Question

convert binary to charaacter
hello, i have a binary sequnce 10110001. and i want to encode based on the following rule A=00 C=01 T=10 G=11 and t...

8 years ago | 2 answers | 0

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Question

HOW TO ENCODE AN 8BIT VALUE FROM A MATRIX
HELLO I have generated a 256x256 matrix with an 8bit binary sequence present in each element. I wish to encode the...

8 years ago | 2 answers | 0