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首页> 外文期刊>Microwaves, Antennas & Propagation, IET >Semi-active laser/millimetre wave beam combiner design and test
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Semi-active laser/millimetre wave beam combiner design and test

机译：半主动激光/毫米波合束器的设计与测试

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摘要

The semi-active laser /millimetre wave (MMW) beam combiner design methods including the MMW transmission structure design method and laser diffuse surface design method were proposed. The transmission line theory was adopted to design the MMW transmission structure. The Lambert's law assumption was adopted when the diffuse reflection surface of the beam combiner was designed. In the aim of illustrating the design methods, a thin plate beam combiner design case was given to meet the performance requirements which were proposed according to the test requirements of the unit under test. In order to validate the MMW transmission structure design method, a prototype made of polytetrafluoroethylene was fabricated and it was tested in a Ka band compact range anechoic chamber. In order to evaluate the laser reflection performance, the laser reflection performance at a wavelength of 1.064 μm was also tested and analysed by an empirical bidirectional reflectance distribution function model.
机译：提出了半主动激光/毫米波合束器的设计方法，包括MMW透射结构设计方法和激光漫射面设计方法。采用传输线理论设计MMW传输结构。设计光束合成器的漫反射表面时，采用了朗伯定律假设。为了说明设计方法，给出了薄板光束组合器的设计案例，以满足根据被测单元的测试要求提出的性能要求。为了验证MMW传输结构的设计方法，制造了由聚四氟乙烯制成的原型，并在Ka频段紧凑范围无回声室中进行了测试。为了评估激光反射性能，还通过经验双向反射率分布函数模型测试和分析了1.064μm波长处的激光反射性能。

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