# Mohamed Jamal

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**Content Feed**

Question

displaying/returning two columns in matlab

Hi guys, I have a function that returns output array of integers size 10 like [1 1 1 1 1 1 1 1 1 1 ] , what I want to do is th...

3 years ago | 1 answer | 0

### 1

answerQuestion

FEC Encoder/Decoder matlab implementation

Im trying to built as software a block that's called Convolutional Encoder that its input is data bits -I attached down a photo ...

3 years ago | 0 answers | 1

### 0

answersQuestion

Saving Raw IQ data in file type .dat

Hi guys, how do I save in matlab data in file type .dat? I have a file and it's type dat, it has RAW IQ SAMPLES so I open it i...

3 years ago | 2 answers | 0

### 2

answersQuestion

Returning specific substring after occurance of searched substring

Hi guys ! I'm in a struggle for doing a function in matalb that does this thing: it gets as input array of integers values tha...

3 years ago | 0 answers | 0

### 0

answersQuestion

Indent a block of code

Hi guys, is there a specific command (in keyboard) for matlab code identation? for example lets assume that I wrote: while i ...

3 years ago | 0 answers | 0

### 0

answersQuestion

evaluating binary substring to decimal value

Hi guys, Im implementing a function that gets in its input binary substring of 8bit like this '00000001' and outputs the unsigne...

3 years ago | 1 answer | 0

### 1

answerQuestion

crc16 checksum in matlab

Hi guys Im trying to implement a function that check the checksum of my input, and return if it's false or true (valid or not v...

3 years ago | 1 answer | 0

### 1

answerQuestion

Converting my code to matlab

Hi guys, I want as one time to conver my C++ code to matlab code, I just want to do that one time and Im newbie in matlab(genera...

3 years ago | 1 answer | 0

### 1

answerwritting function that returns an array

The name of the function doesn't matter for me lets assume I want to call my function func1 which gets in its input fm.dat file ...

3 years ago | 0

Question

writting function that returns an array

Hi , this thread must be deleted, there's no effective questions. thanks beforehand

3 years ago | 1 answer | 0

### 1

answerQuestion

How to approximate value of array according to specific ratio/ Error percentage

Hi guys, I have an array y=[0.8 3.7 -0.8 -2.2 5.173 4.133] , I want to do in matlab approximations to my number as this : if my...

3 years ago | 1 answer | 0

### 1

answerQuestion

outputting the left side of pairs in array

Hi guys, I have an array for instance y=[1 2 3 4 5 6] I want to output the values that its indexes are the middle of the left s...

3 years ago | 1 answer | 0

### 1

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how to design a lowpass filter for RF signal

Hi , Im trying to do my own LPF that aren't moving my DC signal after filtering, this means the DC of my filetered signal must b...

3 years ago | 1 answer | 0

### 1

answerQuestion

Adjusting my time axis(x axis) accordingly

Hi guys, I have signal that I sampled called y1, it's implicitly vector of values (samples), what I want to do is this think: m...

3 years ago | 1 answer | 0

### 1

answerQuestion

Easy way of finding zero crossing of a function

Hi guys, I have tried all my attempts but not succeeding to get the correct output/plot . I'm trying to find my zero crossings ...

3 years ago | 0 answers | 0

### 0

answersQuestion

Time axis as x axis

Hi guys, I have signal which it's a vector like signal=[0.4 0.6 0.8 -0.8 -0.9 0.7]; t=1:length(signal); % in sec I want to p...

3 years ago | 3 answers | 0

### 3

answersQuestion

Lower/upper bound limits for my array values of integers

Hi guys, I have an array with integer values like this a=[1.5 1.333 4.6 3.2 6.7 0.5 -0.1 0.7 100.7] ; how can I do to all my va...

3 years ago | 1 answer | 0

### 1

answerQuestion

duplications for building array of integers or array of chars

Hi guys, I have a problem and it would be pleasure for your assistance. I have array called y=[5 -1 6 7 9 0 7 3 -4 -4 6]; anot...

3 years ago | 1 answer | 0

### 1

answerQuestion

Median(here it's middle ) of vector/array of every two adjacent values in array (value(i+1)-value(i)).

Hi guys! I've signal called y1 it's sinusoidal and its amplitude is y axis, x's axis is the time in sec. I have a have a vecto...

3 years ago | 1 answer | 0

### 1

answerQuestion

Removing replication in matlab

Hi guys, I have string like this str= '000000011111100000000000000000000000000000000000111111100000000000000000000011110000000...

3 years ago | 2 answers | 0

### 2

answersQuestion

Problem in matlab implementation zero crossings detector

Hi guys! I have Ac singal it's implicitly vector sized as 1X32000 samples (vector that its values are samples). and if I do plo...

3 years ago | 0 answers | 0

### 0

answersQuestion

zero crossings with interpolation

Hi guys! I have Ac singal as what Im attaching here(see photo down) , ofcourse , my AC signal ofcourse it's implicitly vector s...

3 years ago | 2 answers | 0

### 2

answersQuestion

converting array of integer to one string (character of arrays)

Hi guys, I have an array called binary, it's size 1X3200 double and its values is just 0 or 1 like [1 0 1 0 1 0 1 0 1 0 1 0 1 0 ...

3 years ago | 1 answer | 0

### 1

answerQuestion

Edge detection between position and neagtive

Hi guys, Im trying to do in matlab edge detection that when I have a change value between 1 to -1 or between -1 to 1 (ranges is ...

3 years ago | 1 answer | 0

### 1

answerQuestion

Finding Patterns in Array

Hi guys, how do I find in my specific binary pattern in another array that has binary values? I mean lets assume I have a=[1 0...

3 years ago | 1 answer | 0

### 1

answerQuestion

How to return index of started specific pattern from array/matrix(column/rows)

Hi guys! I have vector(matrix column size 1x1500 ) called a, I want to search inside that vector on specific pattern which it's...

3 years ago | 1 answer | 0

### 1

answerQuestion

argmax of vector in matlab

Hi guys, Im searching if there's argmax in matlab for this term W*V , argmax(W*V) related to W (v is constant and W is variable ...

4 years ago | 1 answer | 0

### 1

answerQuestion

How I can Demodulate my complex modulated signal - complex is a plain complex- ?

Hi ! Im having complex signal (I mean the output of the signal is in complex plain) , Im trying to do a demodulation for it , h...

4 years ago | 0 answers | 0