The various forms of noise include thermal noise,intermodulation noise,crosstalk,and impulse noise.
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Q13: Nearly all signals used for communications are
Q14: Referring to Shannon's equation,in order to increase
Q15: For wireless facilities,there is a relatively free
Q16: Typically,crosstalk does not have a debilitating effect
Q17: Refraction refers to the bending of the
Q19: Electromagnetic signals:
A)are used only for optics
B)are used
Q20: In the telephone system,conversions are reproduced using
Q21: In general,noise can be defined as:
A)loud,high amplitude
Q22: _ is a measure of the position
Q23: The _ of a signal is the
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