三角测量

To the late 50s entered the computer photogrammetry, photogrammetry research areas has been greatly extended: If the analytical method aerial triangulation, on-line aerial triangulation, local area network adjustment, gross error detection theory, orthographic correction

到50年代末计算机开始进入摄影测量，摄影测量的研究领域得到了很大的扩展：如解析法空中三角测量、在线空中三角测量、区域网平差、粗差检测理论、正射纠正

In order to replace the conventional method of vagina palpation which has been widely used in obstetrics, a new method for detecting fetal head position and cervical dilation automatically is proposed based on the analytic geometry of space and ultrasonic triangulation.

基于空间几何原理和超声多普勒三角测量法，提出了一种胎头位置、宫颈扩张的自动测量方法，以替代产科临床使用的传统手工触诊法。

Base on the characteristic of PSD, combine the principle of the laser triangulation, a signal processing system has been design. Realize the measurement in physical quantities, such as displacement, libration, etc.

根据PSD 的工作特性，结合激光三角测量的原理，设计合理的信号处理系统，实现位移、振动等物理量的测量。

Laser triangulation measurement is one of the main methods of noncontact measurement.

摘要激光三角测量是非常重要的非接触测量方法，本文研究了以PSD 作为光电传感器的测量系统中的一些问题。

After stereo matching, object's distance can be obtained by means of triangulation measurement principle and has a better precision.

在完成立体匹配的基础上，结合三角测量原理实现了基于立体视觉的物体距离测量，且具有较好的测量精度。

Laser measurement was used to measure surface shape of shadow mask and its Q value. Triangulation-method was used to get a high precise measurement.

应用激光非接触式测量方法测量荫罩表面形状的方法及其对应的Q值，采用三角测量方法对荫罩表面进行高精度测量。

Determination of the horizontal angle of the triangle vertices and, based on the starting side length, azimuth, the starting point coordinates using the sine law to inquire the location of the vertex plane triangulation measurement method is called, the control points, known as the triangle point, this control network known as triangulation.

测定各三角形顶点的水平角，并根据起始边长、方位角、起始点坐标利用正弦定律来推求各顶点平面位置的测量方法称为三角测量，这种控制点称为三角点，此控制网称为三角网。

And using traditional surveying methods, such as triangulation, researchers came up with the new figures.

在使用传统的测量方法上，例如三角测量，研究人员提出了新的数据。

This paper discusses some application cases of the error propagation law by the examples of trigonometrical survey, and presents that not only sum function and numeral multipling function in which there is only one independent observed value but also more complex functions which are equal in mathematics are not opposite in the process of error propagation according to the error propagation law.

1引言本文以三角测量为例，对误差传播定律一些应用问题进行了讨论，指出当只有一个独立的观测值时，和函数与倍数函数运用误差传播定律不会出现悖论；如果在测量工作中有多余的直接观测值，就需用平差后的间接观测值按协方差传播律来计算，这样数学中相等的函数关系才能得到同样的函

A material thickness is measured without contact up to 50 times per second at any sheet speed even on difficult surfaces on which conventional spot laser triangulation sensors fall due to the surface structure.

任何板材，不论什么样的表面条件，其他常规斑激光三角测量传感器由于表面结构无法进行测量时，我们对材料厚度的无接触测量每秒可多达50次。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。