I am looking for matlab code on adaptive differrential pulse code modlation. ....etc

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: RADHIKA U.K(42)
: REMYA JOHNY(44)
: SANGEETHA THOMAS(46)
: SUBIN P SUNNY(54)

CONTENTS

INTRODUCTION
OBJECTIVE
BLOCK DIAGRAM
CIRCUIT DIAGRAM
WORKING
COMPARITIVE STUDY OF CIRCUIT WITH AND WITHOUT PWM
FEATURES
ADVANTAGES AND DISADVANTAGES OF LED
COMPARISON OF LED LAMPS WITH OTHER LIGHTING TECHNOLOGIES
CONCLUSION
FUTURE SCOPE
REFERENCES

INTRODUCTION
Growing demand for th ....etc

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Can u please provide the matlab code BER -SNR calculation for 4/8/16/64-PPM modulation, in a gamma- gamma channel model? ....etc

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Matched Filtering and Digital Pulse Amplitude Modulation (PAM

Outline

Transmitting one bit at a time
Matched filtering
PAM system
Intersymbol interference
Communication performance
Bit error probability for binary signals
Symbol error probability for M-ary (multilevel) signals
Eye diagram
....etc

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PRESENTATION
ON
Modeling and Simulation of Space Vector Pulse Width Modulation (SVPWM) Scheme for Inverter Using MATLAB/SIMULINK

Under the Guidance of:
Krishna Kumar Gupta
I Sem. PhD

Presented by:
Sch. No. 093113101
Dr. Shailendra Jain
Associate Professor

content

Review of Theory of Space Vector Pulse Width Modulation (SVPWM) Technique
Steps to Realize SVPWM
MATLAB/Simulink Model
Details of Various Blocks
Results and Comparisons
Conclusions
Reference ....etc

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please may i get the source code for Pulse position modulation in matlab ....etc

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hello...i want the matlab coding for pulse code modulation..please help me asap.... ....etc

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INTRODUCTION
In the past, adding speech recording and playbackcapability to a product meant using a digital signalprocessor or a specialized audio chip. Now, using asimplified Adaptive Differential Pulse Code Modulation(ADPCM) algorithm, these audio capabilities can beadded to any PICmicro device. This application note willcover the ADPCM compression and decompressionalgorithms, performance comparison of all PICmicrodevices, and an application using a PIC16C72 microcontroller.
DEFINITION OF TERMS
step size - value of the step ....etc

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Introduction to Pulse Width Modulation (PWM)
In this technique several pulses are produced in each half – cycle but the width of the pulses
is not the same as in case of multiple – pulse width modulation, however the width of each pulse is
varied in accordance with the amplitude of the sine wave reference voltage. The width of the pulse
at the center of the half – cycle is maximum and decreases on either side. The figure 6(a) shows the
generation of the output signal by comparing a sinusoidal reference sign ....etc

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1. INTRODUCTION
Pulse Width Modulation (PWM) technique is an effective way of controlling the speed of induction motor, and thus allowing the motor to be applied in the area requiring speed control. Available techniques to control the speed of induction motor are: varying the slip by changing rotor resistance or terminal voltage and varying synchronous speed by changing number of poles or supply frequency. Changing rotor resistance requires wound-rotor induction motor and any resistances inserted to the rotor circu ....etc

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