Abstract
Phase Change Memory (PCM) technology appears as more scalable than DRAM technology. As PCM exhibits access time slightly longer but in the same range as DRAMs, several recent studies have proposed to use PCMs for designing main memory systems. Unfortunately PCM technology su ers from a limited write endurance; typically each memory cell can be only be written a large but still limited number of times (107 to 109 writes are reported for current technology). Till now, research proposals have essentially focuse ....etc

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my help me..give me some suggestion on delta modulation & demodulation..send me some ppt on dis topic. ....etc

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To get full information or details of frequency modulation and demodulation ppt please have a look on the pages

https://en.wikipedia?title=Frequency_modulation

http://radio-electronicsinfo/rf-technology-design/fm-reception/fm-demodulation-detection-overview.php

http://ece.umd.edu/ tretter/commlab/c6713slides/ch8.pdf

if you again feel trouble on frequency modulation and demodulation ppt please reply in that page and ask specific fields in frequency modulation and demodulation ppt ....etc

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can you help me by providing matlab code for turbo coding of qpsk and qam?? ....etc

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implementation of pcm pulse code modulation on speech signals in matlab

Pulse-code modulation (PCM) is a method used to digitally represent sampled analog signals. It is the standard form of digital audio in computers, Compact Discs, digital telephony and other digital audio applications. In a PCM stream, the amplitude of the analog signal is sampled regularly at uniform intervals, and each sample is quantized to the nearest value within a range of digital steps.Linear pulse-code modulation (LPCM) is a specific type of PCM where the quantizati ....etc

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solar water heating system using pcm ,working structure characteristics of phase change material ....etc

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to get information about the topic solar water heater full report refer the page link bellow

http://seminarsprojects.net/Thread-solar-heat-energy-storage-in-phase-change-materials-full-report?pid=10859#pid10859 ....etc

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HELLO i am NAVATHEJ doing MTECH in rnsit banglore and i am doing mini project on qpsk plz provide the page link to download about this project ....etc

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PCM PRINCIPLES&CAS,CCS#7-TRAINING PROJECT REPORT AT ALTTC GHAZIABAD(BSNL)


Pulse Code Modulation (PCM)
Principles
Analog transmission is not particularly efficient. When the signal-to-noise ratio of an analog signal deteriorates due to attenuation, amplifying the signal also amplifies noise. Digital signals are more easily separated from noise and can be regenerated in their original state. The conversion of analogue signals to digital signals therefore eliminates the problems caused by attenuation. Pu ....etc

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The following code is for simulating non-coherent DPSK for M=2,4,8,16,32 (bits per symbol).

This code is extended from the examples available in the ebook.

% Iman Bagheri / December 2013 / [email protected]
% Simple Matlab/Octave code for non-coherent demodulation of
% differentially encoded phase shift keying (DPSK)
clc;clear all;close all;

% Input Fields
N = 1e6; % number of bits or symbols
EbN0dB = 6:2:16; % multiple Eb/N0 values
rangeofM = ; % DPSK constellation
colors=;
%

col ....etc

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