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Essays on Amplitude Modulation

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Experiment No.1 Report Examples

(QAM) Laboratory Report

For (XXX)

Objective: Components required: A carrier source, data source, phase shifter, multiplier, symbol mapping, noise channel, PCB board, phase scope and oscilloscope. Theory: There are two types of modulation technique namely analog and digital. QAM is a technique that uses both analog and digital modulation technique. It is the abbreviation used for Quadrature amplitude modulation. In analog modulation scheme it passes the two message signals by varying the amplitude of the two carrier waves using amplitude modulation method. In the case of digital modulation technique two digital bit streams are transferred in which ...

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Education
Symbolism
Innovation
Theory
Observation
Information
Control
Connection
Noise
Carrier
Amplitude Modulation
Signal
7 Pages

Example Of UM(T) = Amcgt (T) Cos 2pfct + Amsgt (T) Sin 2pfct; M = 1; 2; M Report

Lab reports on Quadrature amplitude modulation and Demodulation

Introduction Quadrature amplitude modulated is an electro-magnetic wave signal that employs two Quadrature signal carriers cos 2pfct, sin 2pfct, of which each of the signal carriers are modulated by an independent sequence of information bits. The transmitted signal assumes a wave form of this nature.

the values Amc and Amg are the two sets of amplitude that need to modulated. QAM can be viewed as a form of combined amplitude digital phase modulation and digital amplitude. The resultant transmitted QAM signal is a cosine wave which is expressed as shown below. umn(t) = AmgT (t) cos(2pfct + øn); m = ...

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Symbolism
Life
Information
Control
Constellation
Signal
Wave
Square
Noise
Output
Output Signal
Oscillator
3 Pages
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