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fiber
Consider the principal fiber bundleM=G/Ks→G/K, whereKs is the semisimple part ofK=Ks·ZK0 andZK0 is the connected center ofK.
      
An affine pseudo-plane X is a smooth affine surface defined over ${\Bbb C}$ which is endowed with an ${\Bbb A}^1$-fibration such that every fiber is irreducible and only one fiber is a multiple fiber.
      
By a case-free approach we give a precise description of the closure of a Steinberg fiber within a twisted wonderful compactification of a simple linear algebraic group.
      
The uniqueness of the geodesic by its initial values severely restricts the choice of the fiber path and is an obstacle to the production of optimized structures.
      
The composite film was prepared on glass fiber with the water glass as binders and dilute H2SO4 solution as solidifying reagent.
      
The Turning Error Effect of Reflectors in the Talbot Interferometer used for Writing Fiber Bragg Grating
      
The Talbot interferometer used for writing fiber Bragg grating (FBG) is analyzed effectively in this paper.
      
A white-light interferometric fiber-optic sensing network based on the double-ring topology is demonstrated, which can be applied to the measurements of quasi-distributed strain and temperature in a smart structure.
      
The double-ring fiber optical sensing network based on the space division multiplexing (SDM) is further developed.
      
However, the fiber nonlinear effects and polarization mode dispersion severely limit the performance of the system when signal propagates at 40 Gbit/s in a single channel.
      
Finally, to analyze the impacts of the fiber nonlinear effects and PMD on the optical communication system, the simulated results of an 8×40 Gbit/s DWDM system are discussed under different conditions respectively.
      
And we simulated the transmission model constructed with Erbium-doped fiber amplifier (EDFA) as the solo amplifier and the chirped fiber Bragg grating (CFBG) as the solo dispersion compensator used in the system.
      
Resolving the problem of cross sensitivity in fiber Bragg grating sensor based on the principle of polarized-light interference
      
The article introduces an advanced approach of fiber grating strain demodulation based on the principle of polarized-light interference.
      
This method can solve the problem of cross sensitivity in fiber Bragg grating sensor.
      
As for the yttrium vanadate (YVO4) crystal polarized-light interferometer, if there are two different fiber Bragg gratings that have a π rad phase difference, one is used for strain sensor and the other is used for temperature compensating.
      
The experiment shows that when the thickness of YVO4 crystal is 0.5 mm, the effect of cross-sensitivity will be reduced to 0.13 μ?/°C, which is 1.6% of the effect used by only one fiber Bragg grating for strain measure.
      
This paper studies the problem of high energy waste in the course of the wood fiber processing in the wood-based panel industry.
      
In the light of the energy economy principle, the cutting theory on the micron and long-slice wood fiber was put forward.
      
Accordingly, the study of the micron and long-slice wood fiber was put into the microstructure study.
      
 

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