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Digital vs Analog Signals MS-PS4-3

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amplitude modulation

a method of transmitting information by changing the amplitude of a wave
amplitude modulation Simple Definition

analog signal

a continuous signal whose properties, like amplitude and frequency, vary smoothly
analog signal Simple Definition

digital signal

a series of electrical pulses that represents the digits of binary numbers
digital signal Simple Definition

frequency

the number of cycles or vibrations per second, measured in hertz (Hz)
frequency Simple Definition

interference

occurs when two waves meet and combine to form a new wave
interference Simple Definition

signal

a varying electric current that represents information
signal Simple Definition

wavelength

the distance between the crests of two adjacent waves
wavelength Simple Definition

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