Analog Modulation

May 1st, 2015
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The aim of this document is to improve understanding of amplitude modulation and angle modulation. We have done this by using Lab view. We have shown 4 types of Amplitude Modulation & 2 types of Angle Modulation.

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Analog ModulationAmplitude Modulation and Angle ModulationAbstract The aim of this document is to improve understanding of amplitude modulation and angle modulation. We have done this by using Lab view. We have shown 4 types of Amplitude Modulation & 2 types of Angle Modulation. Keywords-amplitude modulation (AM), angle modulation, double side band modulation (DSB), double sideband suppressed carrier modulation (DSB-SC), double sideband full carrier modulation (DSB-FC), single side band modulation(SSB), phase modulation (PM), frequency modulation (FM), m(t)-message signal, A(c)-amplitude of carrier, Am- amplitude of message signal, f(m) or f(c)-frequency, Y(t)-modulated signal, Xc(t)-carrier signal, Wc [Fc=Wc/2pi] frequency of carrier signal, Wm[Fm=Wm/2pi] frequency of message signal, Ka-amplitude sensitivity factor, USB-upper side band, LSB-lower side band, BW-band width, VSB- vestigial sideband modulation INTRODUCTIONThe process of converting information so it can easily be sent through medium is known as Modulation. Basically required for communication purpose (long range medium). Modulation is usually requires a shift of the range of frequencies contained in the information signal of another frequency for suitable range transmission. Modulation can be of different types, we put emphasized on Amplitude Modulation and Angle Modulation. 1. Amplitude modulationIn AM, information signal or message signal varies the amplitude of carrier signal which is of constan

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