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远场图法
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远场图法
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工学
多模光纤数值孔径测量
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far field pattern
远场图法
一种光纤数值孔径的测量方法。利用光路可逆性原理用针孔探测器在远场对光纤中导模的出射角进行测量,从而测得光纤的数值孔径的方法。场源距离与发射天线口径及波长的关系满足条件的电磁场区域的场。
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instrument compartment
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instrument detection limit
instrumented impact testing machine
instrumented indentation test
instrument explosion protection technology
instrument flight
instrument for airborne gravity measurements
instrument for engineering properties
instrument for gradient gravity measurements
instrument for measuring the topography of the seabed
instrument for measuring tree
instrument for optical transfer function
instrument for printing quality
instrument for radiation protection
instrument for solar and lunar eclipses
instrument for technical spacification of textiles
instrument function
instrumenting
instrument landing system
instrument of electrical prospecting
instrument of production
instrument of scattering analysis
instrumentorium
instrument performance index
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