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...

alrededor de 2 años ago | 0 answers | 0

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...

más de 2 años ago | 3 answers | 0

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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 ...

alrededor de 3 años ago | 0 answers | 0

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....

alrededor de 3 años ago | 2 answers | 0

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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 ...

alrededor de 5 años ago | 1 answer | 0

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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...

alrededor de 5 años ago | 0 answers | 0

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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 ...

alrededor de 5 años ago | 0 answers | 1

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...

más de 5 años ago | 2 answers | 0

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 ...

más de 5 años ago | 2 answers | 0

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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...

más de 5 años ago | 1 answer | 0

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. ...

más de 5 años ago | 2 answers | 0

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...

más de 5 años ago | 1 answer | 0

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...

más de 5 años ago | 2 answers | 0

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...

más de 5 años ago | 1 answer | 0

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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...

más de 5 años ago | 1 answer | 0

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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 ...

más de 5 años ago | 1 answer | 0

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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 ...

más de 5 años ago | 1 answer | 0

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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....

más de 5 años ago | 2 answers | 0

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...

casi 6 años ago | 2 answers | 0

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...

casi 6 años ago | 1 answer | 0

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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....

casi 6 años ago | 1 answer | 0

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...

casi 6 años ago | 1 answer | 0

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...

casi 6 años ago | 4 answers | 0

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...

casi 6 años ago | 2 answers | 0

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.. ...

casi 6 años ago | 1 answer | 0

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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...

casi 6 años ago | 1 answer | 0

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...

casi 6 años ago | 2 answers | 0

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...

casi 6 años ago | 2 answers | 0

Question

how to convert decimal values into 8bit binary values in a 256*256 matrix.

i have taken a 256*256 image and found each of the pixel values. now i need to convert each of these pixel values into 8 bit bin...

casi 6 años ago | 1 answer | 0