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# imran khan

16 total contributions since 2019

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Question

Problem in theoratical and simulated bit error rate
Dear fellows i am facing one problem.Problem is that there is difference between simulated and theoretical curve while calculati...

2 months ago | 0 answers | 0

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Question

Facing problem in ploting figures
i want to plot last two figures in one plot can anybody help me clc,close all,clear all codn=100; EbN0=20:30; q=1.6e-19; ...

2 months ago | 0 answers | 0

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Question

BER(bit error rate problem)
I am writing code for BER(bit error rate ) of OOK(ON OFF keying signal),but there is little problem in my code.Problem is that m...

3 months ago | 0 answers | 0

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Question

I have to calculate BER(bit error rate ) of OOK(on off keying signal)
Dear fellows,i have generated OOK(on off keying signal).Then i have taken FFT of OOK signal and then i have removed some part of...

3 months ago | 1 answer | 0

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Question

I have calculated BER please check whether it is right or not
I have calculated BER(bit error rate) please check whether it is right or not.I want to confirm that my output is right or not b...

3 months ago | 0 answers | 0

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Question

problem in plotting figure
Dear fellows,i have modified code but i have problem in plotting the last figure(4) and problem is in this line plot(tvec,abs(zi...

3 months ago | 1 answer | 0

### 1

purpose of my code is that i have generated OOK signal and then i have taken FFT of signal and remove frequency from 50-150HZ.af...

3 months ago | 0

Question

clc,close all,clear all codn=100; % fc=6e+3; fs=360; bode=10; code=round(rand(1,codn)); code_len=round(1/bode/(1/fs)) f...

3 months ago | 1 answer | 0

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Question

improving result of FFT
Dear fellows i want to achieve good frequency resolution by adding this command in my code n = 2^nextpow2() but i dont know how...

3 months ago | 1 answer | 0

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Question

time domain and frequency domain
Dear fellows,i am facing problem in my code below.Problem is that signal in time domain does not give me correct value of N,i me...

4 months ago | 1 answer | 0

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Question

Dear fellows i am removing noise from( 3-200)HZ.
Dear fellows i am removing noise from( 3-200)HZ ,but the problem is that after removing frequency i took IFFT of signal so that...

4 months ago | 1 answer | 0

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Question

i have removed frequency from (3-200)HZ from FFT signal.Now i want to remove noise from last figure which is in time domain so that i can transmit signal.Thanks in advance.
clc,close all,clear all codn=70; % fc=6e+3; fs=3600; bode=10; code=round(rand(1,codn)); code_len=round(1/bode/(1/fs)) f...

4 months ago | 1 answer | 0

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Question

removal of frequency from 0-200HZ
I am removing frequecy from( 0-200)HZ from FFT spectrum and then i have taken IFFT of signal to see complete spectrum in time d...

5 months ago | 1 answer | 0

### 1

Question

remove frequency from (0-200 hz)
i want to remove frequency from (0-200hz) from frequency domain of signal but i dont know how to do it,after doing this i have ...

5 months ago | 0 answers | 0