与 «PARABOLOIDAL»相关的英语书籍
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paraboloidal的用法。与
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1
The
Paraboloidal Reflector Antenna in Radio Astronomy and ...
These have not been comprehensively described. This text aims to fill this gap. The Paraboloidal Reflector Antenna in Radio Astronomy and Communication: Theory and Practice takes a practical approach to the characterization of antennas.
2
Thermal distortion of a
paraboloidal shell
Deformations of paraboloidal shell subjected to axisymmetric thermal loads.
Robert J. Platt (Jr.), Marvin D. Rhodes, United States. National Aeronautics and Space Administration, 1971
3
Aberration Theory Made Simple
(6-14) 6.6 Paraboloidal Mirror For a paraboloidal (e = 1) mirror, we note from Eqs.
(4-4) and (6-14) that for an object at infinity as = -o (6-15a) - l/4/?3 . (6- 15b)
Hence, following Eqs. (4-3) and (4-11), we find that the spherical aberration of a ...
Virendra N. Mahajan, 1991
4
Image Processing Technologies: Algorithms, Sensors, and ...
frequently used to converge an incoming set of parallel rays such as a
paraboloidal antenna. Basically their idea is same as that of the paraboloidal
antenna. In the case of a convex paraboloidal mirror, all rays from the
environment reflect at ...
Kiyoharu Aizawa, Katsuhiko Sakaue, Yasuhito Suenaga, 2004
5
Building Scientific Apparatus
mirrors will produce a parallel beam of light when a point source is placed at the
focus of the paraboloidal surface. Thus, these mirrors are very useful in projection
systems. They are usually made of polished metal, although versions using ...
Christopher C. Davis, Michael A. Coplan, 2009
6
Optical Coherence Tomography: Principles and Applications
The simplest solution is paraboloidal, but the most important, we will see, is the
fundamental or zero order Gaussian beam. 5.4.3 Relationship between the
Paraboloidal and Gaussian Wave Before moving on to analyzing the detailed
form of ...
7
Aperture Antennas and Diffraction Theory
6.5 Paraboloidal reflectors 6. 5. 1 Geometrical considerations A paraboloidal
reflector is usually the most convenient way of obtaining high directivity at
microwave and millimeter-wave frequencies. To be effective the aperture width of
the ...
8
Studies in New England Geology: A Memoir in Honor of C. Wroe ...
Also under conditions of reduced chamber pressure, a third type of fracture,
paraboloidal fracture, may form. Where sufficiently extensive, such a fracture
would isolate a huge, roughly paraboloidal block, and the outward inclination of
the ...
Paul C. Lyons, Arthur H. Brownlow, 1976
9
Microwave Antenna Theory and Design
The latter just began to commond serious attention at the close of the war period,
and their study and use are still in the initinl stages. PARABOLOIDAL
REFLECTORS' 12-2. Geometrical Parameters. — The nature of a reflector that
transforms a ...
10
Principles of Solar Engineering, Second Edition
CR = 50-150; paraboloidal mirror. CR = 500-3000; Fresnel lens. CR = 100-1000;
and Fresnel mirror, CR = 1000-3000. These concentrator types will be discussed
briefly in this section. 3.7.1 A. Paraboloidal concentrators. The surface ...
D. Yogi Goswami, Frank Kreith, Jan F. Kreider, 2000
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Using carbon nanotubes to make smart telescope mirrors
The curved lines, reflections of a screen with evenly spaced holes, indicate a good paraboloidal surface. Right: Sisters Sandra and Sunry ... «SPIE Newsroom, 六月 15»
A nonimaging boost for luminescent solar concentration
(a) Exploded-view schematic of the experimental approach used to implement nonimaging optical gain using a compound paraboloidal ... «SPIE Newsroom, 九月 14»
The Dark Side Of Solar Energy: Weaponry
Bacon obtained his information from a treatise called Discourse on the Paraboloidal Focusing Mirror originally written in Arabic in the eleventh ... «CleanTechnica, 七月 14»
Fundamentals of FT-IR Spectroscopy
This is valid for any portion of the parabola. Hence, it is possible to cut out an off-axis section of the paraboloidal mirror for convenience (Figure ... «Azom.com, 四月 14»
A spectroscopic technique for high-sensitivity gas sensing
We used off-axis paraboloidal gold reflectors to focus the THz beam between the prongs of the tuning fork, which acts as an optoacoustic ... «SPIE Newsroom, 一月 14»
Alhazen: Master of Optics
... its light is borrowed from the sun; On the Halo and the Rainbow; On Spherical Burning Mirrors; On Paraboloidal Burning Mirrors; and On the Burning Sphere. «Onislam.net, 一月 14»
Review: Astronomers Without Borders' OneSky starter telescope
The OneSky optics were nearly perfectly corrected (meaning the primary was properly paraboloidal) and had only a tiny hint of astigmatism. «Gizmag, 十二月 13»
DARPA ready to deliver telescope to watch the skies for space debris
Like telescopes of similar design, it has a concave paraboloidal primary mirror, a convex spherical secondary mirror, and a concave spherical ... «Gizmag, 十二月 13»
NC State Fairgrounds, Raleigh, NC
... a 7,500-seat arena constructed with a unique paraboloidal roof, which permitted a view of the staging area without the hindrance of columns. «Goodnight, Raleigh, 十月 13»
New instrument brings long-sought improvements to EUV testing …
No real upgrades are needed except new paraboloidal mirrors front and back. The mirrors will focus the monochromatized beam to a height of ... «Phys.Org, 十月 12»
