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poisson bracket中文是什么意思

发音:  
用"poisson bracket"造句"poisson bracket"怎么读"poisson bracket" in a sentence

中文翻译手机手机版

  • 泊松括号
  • 帕松括号

例句与用法

  • Abstract : in the field of optical wireless links , concentrators that are designed by the tools of nonimaging optics can be used to collect the light radiation and are more compact and have higher collection efficiencies than imaging concentrators . hemispherical concentrators are studied by ray tracing , then for several normal nonimaging concentrators : hemispherical concentrators , compound parabolic concentrators ( cpc ) , dielectric totally internally reflecting concentrators ( dtirc ) , simultaneous multiple surfaces concentrators ( sms ) and inhomogeneous media concentrators ( poisson bracket ) , the design methods and the performances e . g . the gain and the field of view ( fov ) are compared as well as the application suggestion
    文摘:在无线光通信领域,利用非成像光学设计的集中器能够聚集光辐射能量,而且相对于成像性集中器具有更紧凑的结构和更高的增益.利用光线追迹法对半球形集中器的性质进行了分析与研究.对好几种非成像集中器:半球形集中器,复合抛物线形集中器,介质内部全反射集中器,多表面集中器,多相介质集中器,从设计原理、增益和视场进行比较,并分析其应用场合
用"poisson bracket"造句  

其他语种

百科解释

In mathematics and classical mechanics, the Poisson bracket is an important binary operation in Hamiltonian mechanics, playing a central role in Hamilton's equations of motion, which govern the time-evolution of a Hamiltonian dynamical system. The Poisson bracket also distinguishes a certain class of coordinate-transformations, called canonical transformations, which maps canonical coordinate systems into canonical coordinate systems.
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