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Measurement System of Uniformity between Breech Horizontal Platform and Datum Tube Axis of Rocket Ar
The purpose of this development is to detect the parallelism between the breech horizontal platform and the datum tube a......
Measurement System of Uniformity between Breech Horizontal Platform and Datum Tube Axis of Rocket Ar
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
In order to measure the rotation angle error of the worm and gear mechanisms in the atmospheric dispersion corrector( AD......
摘要: 设计了一种采用波长为650 nm的单色红光为光源,焦距为450 mm,D/f′=1∶9.375,视场角2w=0.6°的摄远物镜,主要应用在自准直仪上,利......
Measurement System of Uniformity between Breech Horizontal Platform and Datum Tube Axis of Rocket Ar
这开发的目的是检测在后膛之间的并行水平的站台和火箭火炮的资料试管轴。在口套的定位瞄准机制和在后膛的定位调整机制在系统被设......
为了减少绝对式光电编码器的体积,增强编码器的数据处理能力,设计了一种21位光电编码器数据处理系统。该编码器码盘采用矩阵码盘形......
介绍了一种高精度二维自准直仪,它采用面阵CCD器件作为光电传感器,利用自准直原理实现了二维角度的测量,其测量范围为±300",精度为......
基于光学陀螺的单轴旋转式捷联惯性通常采用角度传感器来实现方位角的输出,但其测量结果受角度传感器自身精度、回转轴系、橡胶减......
为了提高自准直仪的分辨力,将纵向莫尔条纹引入到光路中,用长光栅代替传统单狭缝,将长光栅成像在CCD检测器上,CCD作为标尺光栅,通过两个......
In order to measure the rotation angle error of the wor^n and gear mechanisms in the atmosphericdispersion corrector (AD......
采用线阵CCD器件作为光电转换器,用单片微处理器进行数据处理的数字光电准直仪,是新一代的精密测量仪器,文中介绍了系统的设计方法,并提出......