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## Pam Matlab |

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matlab pam , pam modulation , matlab source code for matlab , gsm and matlab using matlab

13 Threads found on edaboard.com: **Pam Matlab**

HI
i need to know how can i generate two channel time division multiplexing (TDM) of pulse amplitude modulated (**pam**) signal and detect the same TDM **pam** signal using a synchronizer in **matlab**.
please help. it's urgent.
thanks

Digital communication :: 04.03.2006 04:44 :: squirrel :: Replies: **2** :: Views: **1990**

Hi,can someone help me to compute the waveform of the **pam** signal s(t) with pulse duration T=500;a sinusoidal signalof frequency f0=10000Hz sampled at the rate of 8kHz and then applied to a sample-and-hold circuit to produce a flat toppped **pam**.
can i show my codes as
"fs=8000;
>> n=0:1/fs:1;
>> x=cos(10000*n);
>> plot(n,x);
but i couldnt o

Digital Signal Processing :: 02.04.2007 10:34 :: ghasia :: Replies: **0** :: Views: **3845**

any one has the **matlab** code for the Symbol and bit error probability of:
1- Orthogonal signals.
2- M-ary **pam**.
3- M-ar PSK.
4- M-ary QAM
Regards

Software Requests :: 26.06.2007 17:41 :: saeddawoud :: Replies: **0** :: Views: **165**

There are built in commands in **matlab** for 4-ASK by the name of **pam**mod, I know **pam** is not ASK but in **matlab** they have used the idea of complex representation of baseband signals, and therefore you can pretty much guess that unless you generate your own code for 4ASK, you are not going have a center frequency

Digital Signal Processing :: 17.05.2009 05:41 :: Communications_Engineer :: Replies: **13** :: Views: **23008**

I used the following **matlab** expressions to generate gray code tables for 2, 3, 4, 5, and 6 bits.
You will notice the relatively simple repeating patterns in the tables.
dec2bin(bin2gray(0:3, '**pam**', 4))
dec2bin(bin2gray(0:7, '**pam**', 8))
dec2bin(bin2gray(0:15, '**pam**', 16))
dec2bin(bin2gray(0:31, '**pam**', (...)

Mathematics and Physics :: 19.01.2008 22:43 :: echo47 :: Replies: **7** :: Views: **7652**

I need the **matlab** code (**pam**.m) which is used in the book
"Telecommunication Breakdown" concepts of communication transmitted via software-Defined Radio

Digital communication :: 08.04.2008 21:15 :: allysonsim :: Replies: **4** :: Views: **4929**

len = 10000; % Number of symbols
M = 16; % Size of alphabet
msg = randint(len,1,M); % Original signal
% Modulate using **pam**,
tx**pam** = **pam**mod(msg,M);
% Perturb the phase of the modulated signal.
phasenoise = randn(len,1)*.015;
rx**pam** = tx**pam**.*exp(j*2*pi*phasenoise);
% Create a scatter plot of the (...)

Digital communication :: 24.07.2008 01:18 :: ali_th :: Replies: **21** :: Views: **12724**

Hi,
I need to modulate my data on truncated sinc function instead of rectrangular pulse in **pam**.
For that i need to generate truncated sinc pulse having one main lobe and 5 side lobe each side. That is, one main lobe and 10 side lobe.
here is the code for **pam** with rectrangular pulse, i just need to replace that rectrangular pulse with sinc

Digital communication :: 05.10.2009 14:38 :: gangofmumbai :: Replies: **0** :: Views: **2140**

You can get some hints from

PC Programming and Interfacing :: 12.04.2010 11:14 :: microKernel :: Replies: **1** :: Views: **1939**

I design a simple DSSS transmitter but always do wrong when i design Rake receiver.
Can some one help me with **matlab** code for RAKE receiver in AWGN channel.
Thank you.
My code for DSSS transmitter code is shown below.
clc
close all
clear all
R = 100; % The length of the bit stream.
N = 7;

Digital communication :: 02.12.2011 10:54 :: jilly0124 :: Replies: **0** :: Views: **1719**

The following example available here computes both the theoratical and simulated modulation error rate of a 4-**pam** modulation. I hope it will help you.

Digital communication :: 15.08.2009 09:12 :: Joatt :: Replies: **3** :: Views: **1411**

i have a project and i am tring to identify what kind of modulation i have
so i have following symbols(these are given )
s1=sqrt(2)*cos((pi/T)t)
s2=sqrt(2)*cos((2*pi/T)t)
s3=sqrt(2)*cos((3*pi/T)t)
s4=sprt(2)*cos((4*pi/T)t)
I am trying to write a **matlab** code in order to design the asterism but i do not know what value i have to assign in vari

Digital Signal Processing :: 27.12.2009 05:51 :: warover :: Replies: **0** :: Views: **617**

Wa Alaikum Salaam, dear brother :)
It could be that the function is not available in your version of **matlab**, but to make it simple you can go for 2-ASK and define the amplitude as anti-podal. For example, A0 = -5 and A1 = 5
It is relative simple to do it, for example,
a = randint(1,10) % create binary 0s and 1s
**pam** = 2*a - 1 % map 0s a

Digital communication :: 30.11.2010 16:59 :: Communications_Engineer :: Replies: **2** :: Views: **564**

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rs232 microcontroller | gsm pcb design | verilog microprocessor | low power display | orientation | licenses | microstrip antenna book | pic16f84 programming | low current amplifier | verilog samir