Results 291 to 300 of about 279,469 (320)

Collinear holography

Applied Optics, 2005
A novel reading and writing technology for a holographic storage system called collinear holography is developed. With this method, two-dimensional page data can be recorded as volumetric holograms generated by a reference beam and a signal beam that are bundled on the same axis and irradiated on the recording medium through a single objective lens ...
Hideyoshi, Horimai, Xiaodi, Tan, Jun, Li
openaire   +2 more sources

On collinear Griffiths points

Journal of Geometry, 2002
A simple synthetic proof, using Desargues to prove collinearity, of a generalization of \textit{J. Tabov}'s [Math. Mag. 68, 61--64 (1995; Zbl 0854.51012)] theorem on the collinearity of four Griffiths points is given.
openaire   +1 more source

Theory of Collinear Antennas

Journal of Applied Physics, 1950
If N collinear antennas are individually center driven, the only transmission line in the neutral plane is the one for a central unit if N is odd. Since lines that are not in a neutral plane constitute antennas, such an array is not practically useful.For a single driven unit with symmetrical, parasitic, collinear elements, the driving transmission ...
openaire   +2 more sources

Collinearity and Weak Collinearity in the Digital Plane

2001
We discuss the optimal grouping of collinear line segments, where we use a digital form of collinearity as the grouping criterion. We also introduce weak collinearity as a new concept to facilitate the design of an efficient line grouping algorithm. This algorithm is based on the use of simplicial elimination orderings, as known in graph theory.
openaire   +1 more source

Collinearity

1998
Dean P. Foster   +2 more
openaire   +1 more source

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