access icon free Appendix D: Fresnel zones

Author(s): Rodney Vaughan  and  Jørgen Bach-Anderson
Source: Channels, Propagation and Antennas for Mobile Communications, p. 735-736
Publication date January 2003

In the context of Huygens' principle and physical optics, it makes sense to consider a volume over which the phase of contributing waves is fairly constant, centred around the line-of-sight where the phase is stationary. Consider the situation in Figure D.l where the distance between the two antennas is d and the total distance to a scattering point is R1 + R2.

Inspec keywords: electromagnetic wave scattering

Other keywords: Huygens principle; line of sight; Fresnel zones; physical optics

Subjects: Electromagnetic wave propagation

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