2) fitting normal error
拟合法线偏差
1.
Based on the discussion about fitting normal error s definition,constitution and properties,it was suggested that fitting normal error represented the error of fitting plane linear in old highway.
在论述拟合法线偏差定义、构成及性质的基础上,提出以拟合法线偏差表征旧路平面线形拟合偏差;建立了基于法线偏差的旧路平面线形拟合精度指标;提出了采用步长压缩摆动趋近法计算拟合法线偏差的算法,并就拟合法线偏差的符号判定准则及方法进行了讨论。
3) axial deviation
轴线偏差
1.
The relation between supporting load of rotary kiln and axial deviation is worked out with the help of regression analysis,which will be the basis for mastering the operation of rotary kiln.
通过将筒体轴线偏差转化为回转窑支承载荷分配中的给定位移,灵活地计入了轴线偏差对支承载荷分配的影响。
4) plumb line deflection
垂线偏差
1.
However, it is one of the topics worthy of study that how the results of GPS survey that is based on the normal line can be converted to be compatible with the traverse survey inside tunnels that is based on the plumb line, so as to minimize the influence of the plumb line deflection on the transverse break-through accuracy of tunnels.
但是,如何将以法线为准的地表GPS成果改换到与以垂线为准的洞内导线测量相符合,从而解决好垂线偏差对隧道贯通精度的影响,是一个值得探讨的问题。
2.
WT5BZ]In this paper, the plumb line deflection varied with time (PLV) are calculated with the Vening Meinesz formula for Xiaguan and Beijing point based on the 28th and 39th campaigns of gravimetry at the local gravity networks in the Western Yunnan Earthquake Prediction Experiment Area and the North China.
根据滇西和华北地震重力监测网 2 8期和 39期重力测量资料 ,利用 Vening- Meinesz公式 ,分别计算了下关和北京两地垂线偏差的时间变化 。
5) plumb line deviation
垂线偏差
1.
During the submarine-launching missile test,the plumb line deviation of launch point is very difficult to measure exactly.
在潜射导弹试验时,发射坐标系原点的垂线偏差很难准确测量,虽然垂线偏差只有几个角秒,但是对远程导弹的定位结果影响却很大。
2.
In order to analyze the influence of plumb line deviation of launching point on target solution result,the formula for point-by-point multi-station crossing was deduced by the least squares estimate aiming at continuous wave radar measurement system.
为分析原点垂线偏差对目标解算结果的影响,针对连续波雷达测量系统,采用最小二乘法推导了多站交会逐点解算公式。
补充资料：法线
法线
normal
法线【.圈.川;助四呱]，曲线(或曲面)上一点处的 过该点并垂直于曲线(或曲面)在该点处的切线(妞哆扭)(或切平面(切刊笋nt PhDe”的直线.光滑平面曲线在其上每个点处有位于曲线所在平面上的唯一的一条法线.姆果平面曲线由直角坐标方程y=f(x)给定，则此曲线在点(x。，y。)处的法线方程的形式为 (x一x。)+(y一y。)f‘(x。)=0. 空间曲线在其上每个点处有无穷多条法线;它们构成一个平面(法平面(加m过pl姗)).位于密切平面(璐cula山犯妙叨e)上的法线称为主法线(p血cj州nonnal);垂直于密切平面的法线称为，lJ法线(b访or-Inal). 由方程:=f(x，y)给定的曲面在点(x。，夕。，:。)处的法线由 /，、.，、刁z。 「(x一x。)+(z一z。)崔二=0 l、‘一’一”‘“-一“少口x l，、.，、己z }(y一y。)+(z一z。)长于=0 k、“”了、-一”产ay确定，其中口z/ax，az/a夕取点(x。，y。)处的偏导数值. 如果曲面方程具有形式r=r(u，。)，则其法线的参数表示为 R一r+“[r一r。]·B。一3【补注】法线概念显然可推广到n维Euc加空间E”的m维子流形，即以一个n一m维仿射子空间作为所给流形在相应点处的n一m维法平面.对于(伪)Rj。比旧口n流形的子流形，法平面考虑为环绕空间的切空间的子空间，其中通过(环绕)(伪)Rie-宜以幻n度量定义正交性.亦见法丛(加m司b切侧阮);法平面(加n刃al Ph茂);法空间(曲面的)(加m司sPaCe(to a su而ce)).
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条