采用单一参考测量双向散射分布函数时，要求被测试样与参考标准的入射天顶角必须相同。
When using a single reference to measure the bi-directional scattering distribution function (BSDF), the incident zenith angle of the tested sample must be identical to that of the reference.
为了研究目标表面的激光散射特性可以利用双向反射分布函数的方法。
Bidirectional reflectance distribution function (BRDF) can be used to study the laser scattering properties of target surface.
根据粗糙面电磁散射理论讨论了粗糙表面双向反射分布函数（BRDF）和单位面积激光雷达截面的关系。
The relationship between Bidirectional Reflectance Distribution Function (BRDF) and Laser Rader Cross Section (LRCS) is introduced by means of the electromagnetic radiation and scattering theories.
偏振双向反射分布函数（BRDF）不仅可以表示物体散射光辐强度的空间分布情况，还包含了丰富的偏振信息。
Polarization BRDF can be used to describe the space distribution of radiation intensity of objects and it includes plenty of polarization information.
偏振双向反射分布函数（BRDF）不仅可以表示物体散射光辐强度的空间分布情况，还包含了丰富的偏振信息。
Polarization BRDF can be used to describe the space distribution of radiation intensity of objects and it includes plenty of polarization information.
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