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imran khan


自 2019 起处于活动状态

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统计学

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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...

5 years 前 | 0 个回答 | 0

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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; ...

5 years 前 | 2 个回答 | 0

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提问


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...

5 years 前 | 0 个回答 | 0

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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...

5 years 前 | 1 个回答 | 0

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提问


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...

5 years 前 | 0 个回答 | 0

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提问


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...

5 years 前 | 1 个回答 | 0

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已回答
check my code please
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...

5 years 前 | 0

提问


check my code please
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...

5 years 前 | 1 个回答 | 0

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提问


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...

5 years 前 | 1 个回答 | 0

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提问


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...

5 years 前 | 1 个回答 | 0

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提问


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...

5 years 前 | 1 个回答 | 0

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提问


Dear fellows i am working on visible light communication and i removed frequency in the range of 3-200 HZ becuase of noise .Will you please do some modification in my code so that in last figure in time domain i use filter which does not remove noi
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...

5 years 前 | 0 个回答 | 0

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提问


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...

5 years 前 | 1 个回答 | 0

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提问


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 years 前 | 1 个回答 | 0

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提问


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 years 前 | 0 个回答 | 0

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提问


FFT of ON OFF signal
clc,close all,clear all codn=70; % fc=6e+3; fs=36000; bode=1000; code=round(rand(1,codn)); code_len=round(1/bode/(1/fs));...

5 years 前 | 1 个回答 | 0

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