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Author: S. Cornbleet
Publisher:
ISBN:
Category : Geometrical optics
Languages : en
Pages : 648
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Book Description
This complete manual covers the spectrum from theory to practice, providing readers with the fundamental information required for the design of microwave optical devices, as well as numerous ground-breaking theories.Nearly every chapter offers insight into an innovative or new aspect in the field, whether it is a new practical device, a new method of design treatment, a new appreciation of classical theories, or a new concept in optics of interest to engineers who wish to see their subjects in a broader light. This indispensable design manual also includes extensive references, illustrations, and tables. Extensively referenced Contains ground-breaking theories Supplements text with illustrations and tables
Author: S. Cornbleet
Publisher:
ISBN:
Category : Geometrical optics
Languages : en
Pages : 648
Get Book Here
Book Description
This complete manual covers the spectrum from theory to practice, providing readers with the fundamental information required for the design of microwave optical devices, as well as numerous ground-breaking theories.Nearly every chapter offers insight into an innovative or new aspect in the field, whether it is a new practical device, a new method of design treatment, a new appreciation of classical theories, or a new concept in optics of interest to engineers who wish to see their subjects in a broader light. This indispensable design manual also includes extensive references, illustrations, and tables. Extensively referenced Contains ground-breaking theories Supplements text with illustrations and tables
Author: S. Cornbleet
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 172
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Book Description
Treats ray geometry of microwave antenna and optical systems through a unique approach using geometrical constructions. Discusses mirrors, lenses, and rays in non-uniform media. Develops two new geometrical methods that avoid the usual ray tracing formula for the development of ray patterns, and explains a new theorem of rays in non-uniform media. Extensively illustrated with line drawings.
Author: F. Sheppard Holt
Publisher:
ISBN:
Category : Antennas (Electronics)
Languages : en
Pages : 52
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Book Description
The basic concepts of geometrical optics together with the additional assumption that lead to the 'geometrical optics approximation' are described here. The eikonal equation is derived and the relationship of exact electromagnetic theory in the limit as wavelength approaches limit of 0 to geometrical optics is made evident. The application of the 'geometrical optics approximation' to phase analysis and synthesis is described and an example of synthesis is presented. The concept of power flow in ray tubes is used to obtain approximations to power distributions in the antenna aperture, in the focal region, and in the far field. Ray analysis is used to determine those feed locations in the focal region that will most nearly collimate the far-field rays that lie in certain desirable planes. The Theorem of Malus is used to formulate the equal path length law and applications are given. Focal surfaces (or caustics) relative to a rectilinear congruence are defined and then used to present a geometrical optics description of the focal region. The equations of the focal surfaces of a paraboloid receiving a plane wave 20 degrees off-axis are calculated and photographs of three-dimensional models of the focal surfaces are shown.
Author: S. Cornbleet
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 444
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Book Description
Author: S. Cornbleet
Publisher:
ISBN: 9780835743143
Category :
Languages : en
Pages : 162
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Book Description
Author: F. Sheppard Holt
Publisher:
ISBN:
Category : Antennas (Electronics)
Languages : en
Pages : 0
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Book Description
The basic concepts of geometrical optics together with the additional assumption that lead to the 'geometrical optics approximation' are described here. The eikonal equation is derived and the relationship of exact electromagnetic theory in the limit as wavelength approaches limit of 0 to geometrical optics is made evident. The application of the 'geometrical optics approximation' to phase analysis and synthesis is described and an example of synthesis is presented. The concept of power flow in ray tubes is used to obtain approximations to power distributions in the antenna aperture, in the focal region, and in the far field. Ray analysis is used to determine those feed locations in the focal region that will most nearly collimate the far-field rays that lie in certain desirable planes. The Theorem of Malus is used to formulate the equal path length law and applications are given. Focal surfaces (or caustics) relative to a rectilinear congruence are defined and then used to present a geometrical optics description of the focal region. The equations of the focal surfaces of a paraboloid receiving a plane wave 20 degrees off-axis are calculated and photographs of three-dimensional models of the focal surfaces are shown.
Author: I︠U︡riĭ Aleksandrovich Kravt︠s︡ov
Publisher: Alpha Science Int'l Ltd.
ISBN: 9781842651599
Category : Science
Languages : en
Pages : 380
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Book Description
This monograph provides concise and clear coverage of modern ray theory without the need of complicated mathematics. Comprehensive coverage is given to wave problems in engineering physics, considering rays and caustics as physical objects.
Author: John Brown
Publisher:
ISBN:
Category : Dielectrics
Languages : en
Pages : 150
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Book Description
Author: Albert D. Wheelon
Publisher: Cambridge University Press
ISBN: 113943053X
Category : Science
Languages : en
Pages : 475
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Book Description
The two volumes that make up this book provide a modern reference and comprehensive tutorial to the subject, treating both optical and microwave propagation. This first volume deals with phase and angle-of-arrival measurement errors.
Author: T. Okoshi
Publisher: Springer Science & Business Media
ISBN: 3642700837
Category : Science
Languages : en
Pages : 215
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Book Description
Until recently, three principal classes had been known in the electrical cir cuitry. They were as follows: 1) The lumped-constant circuit, which should be called a zero-dimensional circuit, in the sense that the circuit elements are much smaller in size as compared with the wavelength in all three spatial directions. 2) The distributed-constant circuit, which should be called a one-dimensional circuit, in the sense that the circuit elements are much smaller than the wavelength in two directions but comparable to the wavelength in one di rection. 3) The waveguide circuit, which should be called a three-dimensional circuit, in the sense that the circuit elements are comparable to the wavelength in all three directions. The principal subject of this book is the analysis and design (synthesis) theories for another circuit class which appeared in the late 1960s and became common in the 1970s. This new circuit class is 4) the planar circuit, which should be called a two-dimensional circuit, in the sense that the circuit elements are much smaller in size as compared with the wavelength in one direction, but comparable to the wavelength in the other two directions.
