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Chapter 2 The Properties of Electromagnetic Radiation

BASICS OF RADIO ASTRONOMY9 The Properties of Electromagnetic RadiationChapter 2 The Properties of Electromagnetic RadiationObjectives:When you have completed this Chapter , you will be able to define the term Electromagnetic spectrum, explain the relationship between frequency andwavelength, define amplitude, and give the relationship between energy receivedand distance from the source. You will be able to describe the limits of the S-band and X-band of the Electromagnetic spectrum. You will be able todescribe wave is Electromagnetic Radiation ?Field is a physics term for a region that is under the influence of some force that can act on matterwithin that region. For example, the Sun produces a gravitational field that attracts the planets inthe solar system and thus influences their electric charges produce electric fields, whereas moving electric charges produce bothelectric and magnetic fields.

and FM radio waves, and ultraviolet radiation. The properties of electromagnetic radiation depend strongly on its frequency. Frequency is the rate at which the radiating electromagnetic field is oscillating. Frequencies of electromagnetic radiation are given in Hertz (Hz), named for Heinrich Hertz (1857-1894), the first person to generate radio ...

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