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quantitative asset managment laboratory
Engineering and Construction
Pages 6 (1506 words)
Quantitative Asset Management Laboratory Name: Instructor: Course: Date: Introduction Quadrature Amplitude Modulation (QAM) is a method that is commonly used for transmitting digital data channel, with its preference being based on its actual ability to really achieve bandwidth efficiency and compensate for linear channel distortion…
The QAM obtains its name from its two components of out of phase which are 90 degrees. Aim of the experiment The primary concern of the experiment is to design and implement a Quadrature Amplitude Modulation transmitter. The experiment aims at the student being able to understand the representation of baseband signals in constellations and to have a better knowledge of differential encoding. The experiment also aims at reviewing the Quadrature Amplitude Modulation in digital communication, as this will help in generation of signals and demodulation. Because of the close relationship between AM and QAM, the experiment should also demonstrate modulation and demodulation in AM signals and examine the sensitivity of QAM phase errors (Ho, 2005). Equipment required The plugs in modules that will be needed for a complete run of the experiment include: An audio oscillator An adder and an multiplier Quadrature utilities Phase shifter and the associated utilities Dual analog switch Quadrature phase shifter Sequence generator Two tunable low pass filters Procedure The first step is to set up a QAM modulator using the equipments provided. Basically, a QAM modulator uses an analog circuit arrangement with emphasis on avoiding overload. ...
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