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Modulation is the act of translating some low-frequency or baseband signal (voice, music, and data) to a higher frequency. Why do we modulate signals? There are at least two reasons: to allow the ...

ABSTRACT The variability of the earth’s obliquity is a result of the deviation of the obliquity from its main component at 41 kyr and is generated by amplitude and frequency modulation. For the last ...

2-month-old infants were Ss in 3 experiments investigating the effective parameters of vertical vestibular stimulation. A 6-point observer rating scale was used as the measure of activity. In ...