Analysis of Feedback Systems
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- B. P. Lathi & Roger Green. (2018). Chapter 4: The Laplace Transform. Signal Processing and Linear Systems (3rd ed., pp. 404-412). Oxford University Press.
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B. P. Lathi & Roger Green. (2018). Chapter 7: Continuous-Time Signal Analysis. Signal Processing and Linear Systems (3nd ed., pp. 700-701). Oxford University Press.
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B. P. Lathi & Roger Green. (2018). Chapter 6: Continuous-Time Signal Analysis: The Fourier Series. Signal Processing and Linear Systems (3nd ed., pp. 612-620). Oxford University Press.
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B. P. Lathi & Roger Green. (2018). Chapter 7: Continuous-Time Signal Analysis. Signal Processing and Linear Systems (3nd ed., pp. 699-708). Oxford University Press.
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B. P. Lathi & Roger Green. (2018). Chapter 7: Continuous-Time Signal Analysis. Signal Processing and Linear Systems (3nd ed., pp. 704-708). Oxford University Press.
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Recall that in amplitude-modulated signals, the information content of the baseband (message) signal \(m(t)\) appears in the amplitude variations of the carrier. In angle modulation discussed in this article, the information content of \(m(t)\) is carried by the angle (which includes its frequency and phase) variations of the carrier.
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Modulation causes a spectral shift in a signal, enhacing long distance transmission. Broadly speaking, there are two classes of modulation: amplitude (linear) modulation and angle (nonlinear) modulation.
In this section, we shall discuss some practical forms of amplitude modulation, including:
The term Suppressed-Carrier (SC) comes from the fact that, both DSB and SSB signals only contain the modulated signal, excluding the carrrier signal, maing the carrier being "suppressed".
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