The geometrical theory of diffraction and its application

Incremental Diffraction Coefficients for Planar Surfaces. Part 1. Theory

“…Denoting these singular angles by 4),, we see from (17) that the correspowming incremental far fields will, in gencr-alttt have singularities for all 0 and 4 that satisuy t cosi4, that is, tOf course, if the current K(x') were known, one could conceivably integrate (9a) numerically or possibly analytically to obtain the A4 and &g required to determine the incremental far fields immediately from (11). In fact, as mentioned in the Introduction, Mlchaeli" 8 was able to perform the current integration in (9a) analytically for the faces of the perfectly conducting wedge to obtain the G'ID Incremental fields of the wedge.…”

Numerical Electromagnetic Code (NEC)-Basic Scattering Code. Part 2. Code Manual

“…The analysis is based on uniform asymptotic techniques formulated in terms of the Geometrical Theory of Diffraction (GTD)[4, 5,6]. The GTD approach is ideal for a general high frequency study of antennas in a complex environment in that only the most basic structural features of an otherwise;very complicated structure need to be modeled.…”

Asymptotic Solution of Surface Field Due to a Magnetic Dipole on a Cylinder

“…Their solution, while inadequate in some situations, has produced many useful results [10], (11], and more importantly, has laid a conceptual framework from which the more refined works, e.g., PINY and UI solutions, are deduced. There are several slightly different formulas given in [4].…”