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is any synchronization required for converting bandpass modulated signal to passband modulated signal
i have written this code which up converts baseband fsk modulated signal to passband then down convert it to baseband then demo...

9 years ago | 0 answers | 0

0

Question

why fft of modulated signal shows peak at carrier frequency?
the fft of fsk modulated signal should show only two peaks , one for "1" and other for "0" but my result shows one peak at ...

9 years ago | 0 answers | 0

0

Question

What is the default carrier frequency and bit rate in fskmod, pskmod or qammod?
In old block that is dmod these things were controlled by user but in newer blocks they dont have these paremeters.

9 years ago | 0 answers | 0

0

Question

Why while using sound function in matlab sound has noise in it?
I have modulated and demodulated a sound file and i have bit error rate of zero. Then why output sound is distorted? clear...

9 years ago | 1 answer | 0

1

Question

I NEED HELP WITH THIS CODE?
Index exceeds matrix dimensions. Error in ==> wavplay at 56 y = varargin{1}; Error in ==> Untitled at 22 wavplay('Bird')...

9 years ago | 1 answer | 0

1

Question

When i run this code i got a warninig that data cliped during write to file. Please sugggest something. clear; clc; ...

9 years ago | 2 answers | 0

2

Question

please check this code .. im getting error that frequency should be less than Fs/2....
clear; clc; M=2^50; freq_sep=100; nsamp=6; y=wavread('voice','native'); x=fi(y); z=bin(x); m=str...

9 years ago | 1 answer | 0

1

Question

fskmod
In fskmod function M is the alphabet size which must be power of 2. What does alphabet size means?

9 years ago | 1 answer | 0

1

Question

Can analog to digital conversion is implemented in matlab (not simulink)?
clear; clc; data_size=100; M=2; freq_sep=500; nsamp=6; fs=10000; y=wavread('voice'); partition=[-...

9 years ago | 2 answers | 0

0

Question

How to implement nise of specific bandwidth?
a

9 years ago | 1 answer | 0

1

Question

clear; clc; data_size=10; M=2; freq_sep=250; nsamp=10; fs=500; data=randi([0 1],1,data_size); qam_mod=qam...

9 years ago | 0 answers | 0

0

Question

i am calculating bit error rate for bpsk modulation scheme. i get error that matrix size of transmitted and received data is not equal. how can i fix it? code is attached in body. Please anybody can help me out.
clc;clear all;close all; mat=randint(1,1000); sig1=(2*mat)-1; % mat converted to matrix of 1 and -1 ...

9 years ago | 0 answers | 0