Therefore , according to the mobility of the aircraft , the present study builts a multi - static location system , which uses the measurements detected by active or passive airborne sensors , when the aircraft is at the different positions . this study proposes two methods for locating sonobuoys . the first one is using aircraft - to - buoy slant range information 根据飞机的机动性，本文构造了使飞机到达不同点获取相同的测量信息而实现定位的多基地定位系统；依据机载有源无源探测器所能获得的测量量，提出了两种定位方法：斜距离测量定位法和基于卡尔曼滤波的方位测量定位法。
Its major task is to switch o d , to guide tracking , to record , display and print real - time tracking information , to carry out automatic detection of system faults , to receive standard outer time signal , to produce simulative time , to monitor and process some variable from the radar system , etc . with the rapid development in national tt & c sector , the former digital system is showing more and more malfunctions and getting increasingly incompetent to the requirements of new tt & c missions 其主要任务是：轴角至数字的转换编码；数字反引导；实时跟踪测量信息的记录、显示、打印；对系统进行故障自动检测；外时统信号的接收处理和模拟时统信号的产生；对雷达系统中某些状态量和模拟量的监视和处理等等。
The following important work has been done : ( 1 ) some special problems of rate - bias laser gyro were analysed . the problems include modulation and demodulation of the output and algorithm of the attitude updates ; ( 2 ) the integrated navigation system with the fault tolerance property which equipped with many navigation equipments as sins , gps , dvs , ads , mg , vg is designed , and compared with that of ckf via simulations ; ( 3 ) the theories and methods of system level fault detection apply to federated filtering is investigated ; ( 4 ) the problem about using the fused information of sins based on rate - bias laser gyroscope / dynamical tune gyroscope to realize the component level hard fault interactions detection through a back - propagation neural network is discussed 主要研究工作有：研究了速率偏频激光捷联惯导的陀螺测量信号的解调算法；设计了在速率偏频激光捷联惯导、 gps 、多普勒雷达、大气数据系统、磁航向仪及垂直陀螺配备条件下联邦滤波组合导航系统，对联邦滤波器和集中滤波器的性能做了仿真对比分析；研究了适用于联邦滤波器的系统级故障理论和方法；探讨了利用速率偏频激光捷联惯导挠性捷联惯导陀螺的混合测量信息，通过神经网络实现硬故障交互检测的方法。
This paper issues that network technical design system , integrating network optimization theory , geographic information and geodetic information , be built to realize digitalization of technical design , so as to make network optimization result useful and operational in geodetic production 本文提出将控制网优化设计理论、地理信息、大地测量信息相集成，建立控制网设计系统，实现技术设计的数字化，解决控制网优化设计应用于大地测量生产的实用性和可操作性问题。
In the stage of the sun and the moon in sight , azimuth of the sun , the earth and the moon in the spacecraft body coordinate system is simulated . combining the simulated azimuth with the ephemeris of the sun and the moon , the state equation and observation equation are modeled . the initial orbital parameters calculated by least square method are used in orbit state equation to predict spacecraft state and to realize autonomous navigation 在日月可见阶段,模拟日、地、月敏感器测量信息,即日、地、月在航天器本体坐标系下的方位信息,结合日月星历,建立状态方程及观测方程,通过最小二乘法得到历元时刻的轨道状态初始值,将其代入轨道状态方程进行自主导航。
In the system , the collimation semiconductor laser - scanned beam scanning two perpendiculars direct of one plane of the measured workpiece at the same time is made . the beams with the dimension information of two perpendiculars direct are processed by the scanning receive system , the high - speed photoelectric transition and electronic data process . two measured results of the diametric directs and ellipse tolerance , etc , parameter , of the turning workpiece on the same plane are obtained by non - contact automatic measurement 在单向激光扫描检测技术的基础之上，提出了一种双向激光扫描检测系统，其采用激光扫描检测技术与特殊光学系统相结合，用准直半导体激光扫描光束对被测工件径向某一截面的两个相互垂直方向同时扫描，经扫描接收光学系统、高速光电变换、电子学系统和微机数据处理系统，对将携带有垂直方向被测量信息的光束进行处理，实现了回转体工件同一截面两个垂直方向的径向尺寸和椭圆度等参数的非接触自动测量，解决了同时非接触测量回转体零件同一截面两个径向尺寸的难题，它具有高速，高精度和非接触自动测量等特点。
The methodology and innovation in this paper is : ( 1 ) the problems which include modulation and demodulation of the rate biased laser gyro ' s output , algorithm of attitude updates , etc . are analysed . ( 2 ) the component level fault interactions detection of sins based on rate - bias laser gyro / dynamical tune gyroscope by using artificial neural network is investigated 具有创新性的工作有：推导了速率偏频激光捷联陀螺测量信息的解调算法；应用神经网络解决了速率偏频激光捷联惯导挠性捷联惯导陀螺间的硬故障交互检测。
At first synthesized professional branch and graphical symbols of coal mine geology and survey , mainly including point , line , region and so on , and then classified and coded the geology and survey information entity by different professional layers and formed a classification and code system based on gis 摘要综合煤矿地质测量信息的专业特性及信息表示的几何特征（主要包括点、线、面等） ，按专题图层对煤矿地质测量的实体对象进行分类与编码，形成了一套基于gis的煤矿地质测量信息分类编码体系。
