diffused reflection

Comparing different frequency measurement methods of vibrating beam component ( VBC) a non-contact instantly excited technique of frequency measurement of VBC using diffused reflection optical triangulation is developed.

分析比较了薄片式挠弹性器件自振频率测量的不同方法，进而提出了应用漫反射激光三角法实现对薄片式挠弹性器件进行非接触瞬态激励测量。

The content of Chinese herbs, medicine and medicament can be quantified without destruction by Diffused Reflection Fourier Transform and Near Infrared Spectroscopy ( DR NIR FTIR).

利用漫反射傅立叶变换近红外光谱技术（DR NIR）可以无损定量分析中药材、中成药和方剂的组分含量；

In order to avoid the interactions between displacement and rotation of VBC during measurement, diffused reflection optical triangulation is applied to measure the displacement of VBC.

该方法利用漫反射激光三角法测量摆动部分位移，避免了测量过程中位移与转动的干涉。

An approximate matrix-calculation method for finding the illuminance distribution of diffused reflection in the integrating sphere from a light source located at the sphere centre is derived.

本文推导了位于积分球中心处的光源在球内壁及挡屏表面的漫射照度分布的近似矩阵计算方法。

The onboard display surface will be not only affected by the direct rays of the sun, but also by the reflection from the sun in the cockpit lighting and diffused lighting.

机载显示器表面不仅会受到太阳的直接照射，还会受到驾驶舱内来自太阳的反射照明和漫射照明。

Of the different shape measurement methods and the phase analysis techniques, optical profilometry for the diffused reflection objects can be classified into two groups, namely direct triangulation and grating projection phase measurement method.

对于漫反射物体的轮廓测量的光学投影式轮廓测量技术，根据不同的测量方法和条纹图像分析技术可以大致分为两种：直接三角法和相位测量法。

An Approximate Matrix-calculation Method for Finding the Illuminance Distribution of Diffused Reflection in the Integrating Sphere

积分球内壁漫射照度分布的近似矩阵计算法

Several illuminance distributions of diffused reflection, established by the light sources with different luminous intensity distributions in space, are calculated.

对几种不同光强空间分布的光源在积分球内壁产生的漫射照度分布进行了计算，并将对两个光源的计算结果与用R。