测量误差

Analyses of measurement error of self-heterodyne/homodyne methods have been studied.

对延迟自外差／零差激光线宽测量方法进行了误差分析。

Especially, applying the estimation of map-aiding matching to modify Kalman Filter, the precision of error in the road is obtained in the field of road, so it can satisfy demand of VMS.(3) For the moving vehicles in a city, DGPS is so often affected by obstructing that DGPS signals are intermitted. The paper establishs mathematical model of DGPS/DR.

本文建立了组合导航系统的数学模型，提出了对观测量进行误差补偿的迭代扩展卡尔曼滤波算法，通过该算法将DGPS和DR系统集成起来，进行综合数据处理，从而可以连续不断地为行驶在街道上的车辆提供精确的定位服务。

B. Diagnosis of macrosomia requires ultrasound evaluation; however, estimation of fetal weight based on ultrasound is associated with a large

B。巨大儿的诊断需要B超测量估计；然而，基于B超估计的胎儿体重与实际体重间也有很大的误差。

B. Diagnosis of macrosomia requires ultrasound evaluation; however,estimation of fetal weight based on ultrasound is associated with alarge

B。巨大儿的诊断需要B超测量估计；然而，基于B超估计的胎儿体重与实际体重间也有很大的误差。

The simulation and calculation of three crystalsIG,Ce∶YIG and YIG by Jones matrix are carried out, and the directionality of magnetooptic glass of MR4 is tested.

利用琼斯矩阵对三种晶体实例IG、Ce∶YIG和YIG进行误差计算和仿真，并对MR4磁光玻璃的方向性进行实验测试，理论和实验都证明采用三维测量的方法是可行的。

Adopt AT89S51 MCU as the main part to realize the automatic control of the object motion locus in this design, system using multiturn potentiometer to measure the position of object, and introduces local closed-loop feedback control system link to correct error, in that case system can improve the accuracy of control and orientation.

设计采用AT89S51单片机作为核心器件实现对物体运动轨迹的自动控制，通过多圈电位器实现对悬挂物位置的精确测量，并引入局部闭环反馈控制环节对误差进行修正。以达到对物体的控制和对坐标点的准确定位。

Research on noncoplanar error in the intersection measuring target with line array CCDs［J］.

线阵CCD交汇测量靶中非共面误差的研究［J］。

Temperature variation is a nonnegligible factor causing big biasing error. How to evaluate and compensate this error relates directly to the measurement accuracy. In the past, the time-sequence model was used to evaluate and compensate the temperature drift.

温度漂移是存在于IFOG系统中使得输出信号产生较大偏置误差的一种不可忽略因素，如何准确地预估漂移并有效地对其进行补偿直接关系到陀螺的测量精度。

There are a tens of flash orthographical shadow photograph points which are the main test equipments in the ballistic tange of the flight line.

实验表明，同一照相站两个火花闪光源内光的不同步时间约可在3μs，这给测量结果带来了不容忽视的误差。因而，改善正交闪光阴影照相的同步性能是十分重要的课题。

The collimation error correction and orthometric correction (altitude over more than 100 m in the examining area) must be involved in the systematic error corrections of third-order level calculation.

但是在视准轴误差方面，不管是二等或是三等水准测量，若使用电子水准仪时，则因仪器已在内建之程式中自动加入改正，换句话说，根本不需另外再改正。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。