Ray‐tracing analysis of anomalous propagation through horizontally nonuniform surface duct

Oka, Eiichi

doi:10.1002/ecja.4410740209

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2017

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Cited by 2 publications

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“…The accurate prediction of duct propagations will help in assessing the radar's performance. Several numerical models for tropospheric EM propagation predictions have been developed, in which the most popular methods rely on ray tracing [1][2][3][4][5][6][7] and the parabolic equation (PE) [8][9][10][11]. The PE approach represents a full-wave method of a wave equation solution, while ray-tracing methods make use of the ray concept taken from geometrical optics.…”

Section: Introductionmentioning

confidence: 99%

A Simple Two-Dimensional Ray-Tracing Visual Tool in the Complex Tropospheric Environment

Zhao

Yang

2017

Atmosphere

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This paper introduces a simple two-dimensional ray-tracing visual tool, Ray-VT, for simulating propagations in the tropospheric environment. It is capable of tracing ray paths through range-dependent refractive conditions as well as arbitrary terrain cases. The fundamental computations are based on the piece-wise application of Snell's law including a small angle approximation. The Ray-VT can be used to investigate the effects of ducting propagations and to assess the performances of radar systems. It can also be used as an educational aid for understanding the propagation characteristics in complex environments.

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