RF Theory

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Last updated 7:57 PM on 4/25/26
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11 Terms

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Mechanical wave

Made from disturbances or vibrations, Waves that require a physical medium (solid, liquid, or gas) to travel (ex. sound waves).

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Electromagnetic spectrum

The complete range of EM waves arranged by frequency (or wavelength).

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Composition

Continuous range from Low to high frequency

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Visible light

Small portion of the (~3 kHz - 300 GHz).

spectrum we can see (400-700 nm).

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Fundamental differences

As frequency increases, wavelength decreases and energy increases

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Noise

Unwanted electrical signal

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Interference

Overlap of signals causing distortion.

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Jamming

Intentional interference to disrupt communication.

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Intrusion

Unauthorized signal entering a system

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Detectors/Beacons

Devices or transmitters used for locating or navigating

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