Aimed at the on-line inspection of small-diameter pipelines, the condition of complete coverage of circumference for the pipeline has been extensive studied for single ultrasonic sensor with a rotating planar reflector.
针对小管道在役检测的特点,对旋转反射镜式传感器结构的不漏检条件进行了详细分析,并对单焦距超声传感器用于小管道在役检测时的相对误差进行了讨论;在超声检测分析的基础上,对旋转反射镜式传感器进行了结构设计,它由超声传感器、平面反射镜、旋转机构、微型电机和连接器等部件组成;小管道液浸超声检测室内试验表明,在适当的采样率和系统增益情况下,反射镜式超声传感器可用于小管道的在役检测。
Based on the working principle of the OCT system, the theoretical analysis on several longitudinal scanning measures, including piezoelectric transition (PZT) scanning, rotating mirror array scanning, femto-laser scanning and manufactured cam wheel transmission of OCT system were made.
基于光学相干层析 (OCT)系统工作原理 ,对OCT系统的几种纵向扫描方式包括压电跃变方式扫描、旋转反射镜阵列扫描、飞秒激光器扫描以及自行设计研制的凸轮机构扫描方式进行了详细的理论分析 ,并对凸轮扫描机构进行了实验研究 ,对这几种扫描方式的优缺点做了比较 ,对提高纵向分辨率的因素进行了讨论 。
Inquiry about the design of rotating mirror house of the streak camera
转镜式高速摄影机中旋转反射镜腔体的设计探讨
"The angle of rotation, which provides a measure of the current flowing in the coil, is measured by the movement of the needle or by the deflection of a Beam of light reflected from the mirror. "
旋转角度可用来度量线圈内通过的电流,角度用指针的转动或镜面反射光线的偏转来测定。
Real-time THz-TDS System Based on Helicoid Reflective Mirror Optical Delay Line
基于螺旋面反射镜延迟线的实时显示THz-TDS系统
The Design and Test of Ellipsoidal Glass Capillaries as Condensers for X Ray Microscope
X射线成像旋转椭球聚焦镜的设计与检测
Reflecting prisms--Characteristics of image rotation
GB/T7660.3-1987反射棱镜像偏转特性
A research on the characteristic of the refraction-reflection system composed of rotational conicoid thin lens and flat mirrors
旋转二次曲面薄透镜与平面镜组成的折反光学系统的性质研究
By analyzing the scanning galvanometer the effect of offset between reflector surface and its rotate axis is given quantitatively.
通过对扫描振镜的分析,定量给出了反射镜反射面与振镜转轴偏心对扫描光线的影响。
Study on Mixing Properties of Rotating Mixer in RIM;
旋转式反应注射混合器特性分析与研究
Polarization aberrations analysis of reflective rotationally symmetric optical systems
反射式旋转对称光学系统中的偏振像差分析
AN AUTO-TRACKING PARABOLIC REMOTE-SENSING ANTENNA WITH DUAL MODE ARCHIMEDIAN SPIRAL FEED
阿几米德双模螺旋馈源的自跟踪反射镜遥感天线
To revolve(the telescope of a surveying transit) about its horizontal transverse axis in order to reverse its direction.
旋转使(中星仪的望远镜)围绕其水平模轴旋转,并转向一个相反的方向
a reflecting telescope with an off-axis reflector.
带有远轴反射镜的反射望远镜。
The mirror reflects light back to the scatter plate.
镜面把光反射回散射板。
swing a telescope through 180
把望远镜旋转180度
The reflector telescope's mirror optics gather light from celestial objects and direct it to an array of cameras and spectrographs.
巨大的反射望远镜的反射镜以光学聚集来自天体的光,转往两部相机和两部摄谱仪。
a transformation that is a combination of single transformations such as translation or rotation or reflection on an axis.
变换就是单一的变化比如轴上的转化旋转和反射的集合体。
compound optical reflecting microscope
复合光学反射显微镜
reflection-type laser protective spectacles
反射式激光防护眼镜
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