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sighting line
相关语句
  瞄准线
     Geometrically Stabilizing Principle of Sighting Line and Allocation Method of Gyro
     瞄准线的几何稳定原理与陀螺配置
短句来源
     In modern photoelectric fire-control and guidance systems,the sighting line is often required to be stabilized to reduced the effect of carrier turbulence.
     在现代光电火控、制导系统中,为了提高命中精度常常要求对瞄准线进行稳定,减小载体扰动的影响。
短句来源
     in order to increase hitting accuracy In the paper,the geometric stabilizing principle of sighting line is discussed by use of vector method,three motion-controlling equations are derived and it is indicated that the preconditions need to be met when using a two degrees of freedom gyro or two single degree of freedom gyroes for measuring the carrier turbulence to achieve the stabilization of sighting line
     本文用矢量法讨论瞄准线的几何稳定原理,导出了稳定瞄准线的三种运动控制方程,指出了用一个二自由度陀螺或两个单自由度陀螺测量载体扰动实现瞄准线稳定必须满足的前提条件。
短句来源
  相似匹配句对
     On line
     行业在线
短句来源
     On-line
     行业在线
短句来源
     Geometrically Stabilizing Principle of Sighting Line and Allocation Method of Gyro
     瞄准线的几何稳定原理与陀螺配置
短句来源
     Line-of-sight stabilization is a key specification for stabilized sighting system.
     瞄准线高精度稳定是机载光电稳瞄系统的主要指标和关键技术。
短句来源
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  sighting line
Formation of sighting line direction in gradient optical systems of superfine medical endoscopes
      
unicolor fades when fixing on prey, proving it is not used as a sighting line.
      
The optimal orbit of a high-elliptic satellite of the Earth, which provides for a maximal duration of stay of the satellite sighting line within the directional pattern of an antenna motionlessly installed on the Earth's surface, is determined.
      
A mason's level line was then secured to the outside corners to provide the level and plumb sighting line for placement of block.
      


In modern photoelectric fire-control and guidance systems,the sighting line is often required to be stabilized to reduced the effect of carrier turbulence.in order to increase hitting accuracy In the paper,the geometric stabilizing principle of sighting line is discussed by use of vector method,three motion-controlling equations are derived and it is indicated that the preconditions need to be met when using a two degrees of freedom gyro or two single degree of freedom gyroes for measuring the carrier...

In modern photoelectric fire-control and guidance systems,the sighting line is often required to be stabilized to reduced the effect of carrier turbulence.in order to increase hitting accuracy In the paper,the geometric stabilizing principle of sighting line is discussed by use of vector method,three motion-controlling equations are derived and it is indicated that the preconditions need to be met when using a two degrees of freedom gyro or two single degree of freedom gyroes for measuring the carrier turbulence to achieve the stabilization of sighting line

在现代光电火控、制导系统中,为了提高命中精度常常要求对瞄准线进行稳定,减小载体扰动的影响。本文用矢量法讨论瞄准线的几何稳定原理,导出了稳定瞄准线的三种运动控制方程,指出了用一个二自由度陀螺或两个单自由度陀螺测量载体扰动实现瞄准线稳定必须满足的前提条件。

A novel points matching algorithm is proposed in view of problems such as multi-target types, false-points, sheltering and adjoining existed in sophisticated multi-target intersection. For揹iscrete landing point?and 搕rajectory?type targets, the time difference between two frames of image for the same target is used as matching conditions. For 搒imultaneous multi-landing point?and 搒heltering?targets, a spatial point target can be matched by two sighting lines based on nearest space distance. This effectively...

A novel points matching algorithm is proposed in view of problems such as multi-target types, false-points, sheltering and adjoining existed in sophisticated multi-target intersection. For揹iscrete landing point?and 搕rajectory?type targets, the time difference between two frames of image for the same target is used as matching conditions. For 搒imultaneous multi-landing point?and 搒heltering?targets, a spatial point target can be matched by two sighting lines based on nearest space distance. This effectively solves the problems of false-point intersection and sheltering intersection. For seriously adjoining targets, the centroid of polyhedral formed by multi-landing point obtaining with trajectory extrapolation is used as correction value for landing point coordinates. The experimental results show that the point matching algorithm for sophisticated multi-target intersection with TV theodolite has the advantages of high efficiency, stability and applicability. Its point matching efficiency for sophisticated multi-target reaches more than 90%.

针对复杂多目标交会测量时所存在的多目标类型、伪点、遮挡和粘连等问题,提出了一种新型的点匹配算法:对于“离散单落点”和“弹道”类型目标,以同一目标点的帧时间差作为匹配条件;对于“同时多落点”和“遮挡目标”,基于空间距离最近的两条视线可以正确匹配出一个空间点目标的原理,有效的解决了“伪点交会”和“遮挡交会”问题;对于严重粘连的目标,用弹道拟合外推得到的多个落点所构成的多面体的形心作为落点坐标的修正值。实测结果证明:该电视经纬仪复杂多目标交会测量点匹配算法具有高效、稳定、适用等优点,其复杂多目标点匹配效率保持在90%以上。

 
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