天线基础教材（英文）

Antenna_CourseTIL-TEK

TIL-TEK Antenna Seminar

This seminar was developed by Hector Boudreau with formatting assistance from Eileen Boudreau. Some diagrams were provided by Rene Duville and the International Wireless Packaging Consortium (IWPC).

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Antenna Seminar

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Frequency, Wavelength and Velocity
Radio waves oscillate (alternate from plus to minus) This variation from plus to minus is called a cycle, since it repeats itself

Time

1 Wavelength

The number of cycles that the radio wave goes through in one second is called the frequency (f)

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Frequency, Wavelength and Velocity
Instead of saying “cycles per second”, we use the word Hertz (abbreviated Hz) in honour of Heinrich Hertz who discovered