Partial reduction of the physical optics surface integral to the modified edge representation line integral
نویسندگان
چکیده
منابع مشابه
Line integrals and physical optics. Part I. The transformation of the solid-angle surface integral to a line integral
The surface integral that measures the solid angle subtended by a planar aperture at a point in space is transformed to a line integral over the boundary of the aperture. The problem is divided into three distinct cases, and in each case a transformation is established. The results have a direct application to the problem of converting the Kirchhoff integral of diffraction by an aperture on a p...
متن کاملLine integrals and physical optics . Part II . The conversion ita of the Kirchhoff surface integral to a line integral
A new approach is presented for converting the surface integral, representing the Kirchhoff diffracted field of an aperture on a plane screen, to a line integral. It has the advantages that it is mathematically rigorous and explicit and that it results in a representation that has exactly the same properties as the original Kirchhoff formula, i.e., it admits arbitrary source distributions and i...
متن کاملNovel Decomposition of the Physical Optics Surface Integral into the Geometrical Optics and Diffraction Contributions in Terms of the Modified Edge Representation Theory
The Physical Optic (PO) surface integral has been expressed in its basic components by the unique Modified Edge Representation (MER) currents line integration definition. The Scatterer Geometrical Optics (SGO) component field is associated with the Stationary Phase Point (SPP) bellowing to the illuminated region of the scatterer and the diffracted field component with its illuminated boundary. ...
متن کاملAn Exact Line Integral Representation of the Magnetic Physical Optics Scattered Field
An exact line integral representation is derived for the magnetic physical optics field scattered by a perfectly electrically conducting planar plate illuminated by electric or magnetic Hertzian dipoles. The positions of source and observation points can be almost arbitrary. Numerical examples are presented to illustrate the exactness of the line integral representation.
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بسیاری از پدیده ها در جهان ما اساساً غیرخطی هستند، و توسط معادلات غیرخطی بیان شده اند. از آنجا که ظهور کامپیوترهای رقمی با عملکرد بالا، حل مسایل خطی را آسان تر می کند. با این حال، به طور کلی به دست آوردن جوابهای دقیق از مسایل غیرخطی دشوار است. روش عددی، به طور کلی محاسبه پیچیده مسایل غیرخطی را اداره می کند. با این حال، دادن نقاط به یک منحنی و به دست آوردن منحنی کامل که اغلب پرهزینه و ...
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ژورنال
عنوان ژورنال: Radio Science
سال: 2009
ISSN: 0048-6604
DOI: 10.1029/2008rs003992