... 平行光束投射器 parallel beam projector 平行光束近似 parallelbeam approximation ; beam approximation 光学平行光束 optical parallel rays ...
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two beam approximation 双束近似 ; 双束类似
parallel-beam approximation 平行光束近似
Center-beam approximation 波束中心近似
Based on thin annular electron beam approximation, the focusing effect of plasma is investigated.
在薄环形束的近似下讨论了等离子体对空心电子束的聚束作用。
Based on complex ray method, a paraxial approximation analysis of Gaussian beam transmission through a dielectric radome is presented.
本文根据复射线法对通过介质天线罩的高斯波束场进行近轴近似分析。
A modified light diffusion solution model was proposed from a heuristic version of beam spreading (BS) model and diffusion approximation (DA) theory.
受到光束扩散模型和漫射近似理论的启发，提出了一种改进的光传输求解模型。
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