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Mohamed Jamal


Last seen: alrededor de 2 meses ago
28 total contributions since 2020

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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...

alrededor de 2 meses ago | 1 answer | 0

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answer

Question


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 ...

2 meses ago | 0 answers | 0

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Question


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...

2 meses ago | 2 answers | 0

2

answers

Question


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 meses ago | 0 answers | 0

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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 meses ago | 0 answers | 0

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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 meses ago | 1 answer | 0

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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 meses ago | 1 answer | 0

1

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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 meses ago | 1 answer | 0

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Answered
writting 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 meses ago | 0

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writting function that returns an array
Hi , this thread must be deleted, there's no effective questions. thanks beforehand

3 meses ago | 1 answer | 0

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Question


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 meses ago | 1 answer | 0

1

answer

Question


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 meses ago | 1 answer | 0

1

answer

Question


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 meses ago | 1 answer | 0

1

answer

Question


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 meses ago | 1 answer | 0

1

answer

Question


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 meses ago | 0 answers | 0

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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 meses ago | 3 answers | 0

3

answers

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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 meses ago | 1 answer | 0

1

answer

Question


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 meses ago | 1 answer | 0

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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 meses ago | 1 answer | 0

1

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Removing replication in matlab
Hi guys, I have string like this str= '000000011111100000000000000000000000000000000000111111100000000000000000000011110000000...

3 meses ago | 2 answers | 0

2

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Question


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...

4 meses ago | 0 answers | 0

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Question


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...

4 meses ago | 2 answers | 0

2

answers

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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 ...

4 meses ago | 1 answer | 0

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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 ...

4 meses ago | 1 answer | 0

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answer

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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...

4 meses ago | 1 answer | 0

1

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Question


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...

4 meses ago | 1 answer | 0

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Question


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 ...

5 meses ago | 1 answer | 0

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Question


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...

6 meses ago | 0 answers | 0

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