In measurement of linear error,high precision linear datum is very expensive.
论述了一种在常规加工方法下获得高精度直线基准的原理,即用两个对称表面的对称中心面作为直线基准,分析了它的误差因素和影响方式。
We propose that perpendicular baseline in InSAR is an important factor affecting the coherence of image pairs,and demonstrate that the existing formula for coherence calculation is based on ideal signal.
本文指出了InSAR中垂直基线是影响图像相干性的重要因素,论证了现有的直接计算相关系数的公式是基于理想信号得出的,然后结合实际雷达信号的频率特性推导出了一个直接计算相关系数的公式,并给出了在各种斜坡地形情况下相关系数与垂直基线的变化关系。
This paper analyzes the relationship between perpendicular baseline and terrain height sensitivity firstly, based on height error induced by uncertainty of phase.
根据测量相位不定性引起的高度误差,分析了垂直基线与地形高度灵敏度的关系,并推导了垂直基线与高度模糊数的关系式。
Straight, closing and archipelagic baselines
直线基线、闭合基线和群岛基线
The method of straight baselines composed of all the straight lines joining the adjacent base points shall be employed in drawing the baselines of the territorial sea of the People's Republic of China.
中华人民共和国领海基线采用直线基线法划定，由各相邻基点之间的直线连线组成。
Curve Pencil Based Intersection for Degenerated Cases of Curves
直线/NURBS曲线等基于曲线束的求交方法
base diameter of involute helicoid worm
渐开线蜗杆基圆直径
Draw a square with the line" XY" as its base.
以直线“XY”为基线画一正方形。
A General Method of Drawing Graphic Symbol based on Point, Line and Arc
基于点、直线和弧线的图形通用画法
To construct(a perpendicular, for example) from or on a given base.
作一垂直线从某一给定基线建（如一条垂线）
To arrange in or form a line.
排成直线，形成直线
Line ab be twice longer than line cd .
直线AB比直线cd长2倍。
a straight road, line, rod
直的路、 线、 杆
in alignment (with...)
(与…) 成一直线
Of, relating to, or resembling a line; straight.
线的，直的线的、与直线有关的或象直线的；直的
Tomographic Imaging Algorithm Based on Circular Arc Projections under Straight Line Mode
直线模式下基于圆弧线投影层析成象的算法
Off-line recognition method for freehand graphics primitives based on line segments tracing
基于直线段跟踪的手绘图元离线识别方法
3D points reconstruction based on the midpoint of skew lines common perpendicular algorithm
异面直线公垂线段中点算法为基的三维点重建
Lane Mark Identification Algorithm Based on Fast Line Detection
基于快速直线段提取的道路标识线识别算法
Arrangement or position in a straight line or in parallel lines.
直线排列直线或平行线的排列或位置
Line A crosses line B at right angles.
A 线与B 线成直角相交。