Recently, with the development of range sensor, register and integration of multiple range images have gained more and more concerns and have been applied in many domains such as CAD reverse engineering, ill product detection, and non- contact measurement of 3D human body.
近几年来，随着距离传感器技术的进步，多视点距离图象的对准和集成问题已引起了人们极大的关注，并且在CAD反向工程、不良产品检测、整形外科手术规划以及人体三维尺寸的非接触测量等领域有了广泛地应用。
So this article introduces a kind of reasonable computing model, and applies it to calculating the sight distance that provided by crest vertical curves, moreover integrates it and method of PVSD to specify from quantity the principle of combining plane and vertical curves which belong to the freeway of plain district.
故本文引进一种较为合理的计算模型,来计算凸竖曲线上所能提供的视距,并结合PVSD法来具体量化平原区高速公路平曲线和凸竖曲线的组合原则,以期得到视觉效果最佳的立体线形。
The evaluation indexes of psychological and physiological burden degrees are established based on experiment and statistics method by research sight distance on single curve.
以单曲线部行车视距为研究对象 ,用实验和数理统计的方法建立驾驶员心理生理上负担程度的评价指标 ,评价现有公路的行车安全性和舒适性 ,并提出改进方案。
In the aspects of viewshed,and the view distance as well as psychological experience of the viewer,the paper analyzed comparatively the changes in the landscape visual features of the comprehensive natural lands.
从空间视域、视距与观景者视觉接收后所产生的心理体验等几个方面,比较分析了长江在三峡成库前的常年洪水位、成库后的145与175 m水位下沿江景观视觉特征的变化。
By means of deciding view angle α, the view distance d is controlled, the vanishing points are adjusted and the view points is got automatically.
阐述了一种透视投影的方法，通过预定视角α，自动控制视距ｄ和调整灭点，获取视点，并重建三维信息，从而易于选择视域，增加了直观性，减少了透视图形生成过程中的盲目性。
Visual range prediction for thermal imaging system by different static performance models;
基于不同静态性能模型的热成像系统视距估算
Based on the static performance of thermal imaging systems , a mathematical model for the visual range prediction adaptal for extended source target is studied.
从热成象系统静态性能出发，研究了热成象系统对扩展源目标的视距估算模型。
Based upon the signal to noise ratio of the image and static performance of thermal imaging systems, the effect of scene radiant characteristics to the visual range prediction of thermal imaging systems is studied in the prisent paper.
从图象信噪比及热成象系统静态性能出发，研究了景物辐射特性对热成象系统视距的影响。
Visual Range Evaluation of LLL Night Vision System with Laser Illuminator;
激光助视/微光夜视系统视距评估研究
Visual Simulation for the Low-Level-Light Vision Systems;
微光夜视仪野外视距仿真实验的研究
Study of the microwave OTH radar maximum detection range of ships
微波超视距雷达对海面舰船目标距离的探测
Influence of Monitor Brightness upon Television Imaging System Horizon
监视器亮度对电视型成像系统视距的影响
High speed and highly agile, it is a within-visualrange( WVR) missile that can engage targets at beyond-visual ranges( BVRs).
高速并且高度灵活，它是一种可以在视距外打击目标的视距内导弹。
Cleared to land RVR (R/W visual range) 200m.
可以降落，跑道目视距离200米。
Research of Multipath Data Fusion Method for Over-The-Horizon Radar;
超视距雷达多路径数据融合方法研究
The Application of the Sequence Detection Method in over the Horizon Radar;
序列检测法在高频超视距雷达的应用
long range air surveillance radar
远距离空中监视雷达
short-range pick-up television relay equipment
近距离电视中继装置
distance within which one can see or hear;distance over which sounds will travel
视力或听力所达到的距离;声音所能传送的距离
Research on Correcting of Range Walking and Range Foldover of Space-Based Surveillance Radar
天基监视雷达的距离游走和距离重叠补偿研究
Having one section that corrects for distant vision, a second section that corrects for medium vision, and a third that corrects for near vision, as an eyeglass lens.
远中近三用的具有分别校正近距离视觉、中距离视觉和远距离视觉的三个部件的，如目镜透镜
telescopic vision.
能分辨远距离物体的视力
For this reason television signals have a short range
因此，电视信号的传播距离很短。
A near-sighted eye has a shorter focus than a normal eye.
近视眼比正常的眼睛有较短的焦距。
The near stereoacuity examination was taken by using Titmus block diagram.
采用Titmus立体图检查近距离立体视。
⑥ The vertical distance from sphenoidal crest to anterior foramen of the optic canal.
⑥蝶骨嵴至视神经管眶口的垂直距离。
