首先，本文研究了到达时差定位系统。
Firstly, in this dissertation, the Time Difference of Arrival (TDOA) Location Systemhas been studied.
三星时差定位星座是用于地面雷达辐射源定位的星座。
Three satellites cluster for time-difference localization is applied to find the radar beacon position on the ground.
时差定位系统具有精度高、定位快等优点，在工程中得到了广泛的应用。
Because of its high precision and fast location advantages, it is widely used in practice.
为了解决这些问题，提出了一种基于奇异值分解的秩截短多站时差定位算法。
In order to solve these problems, a rank-truncated multi-station TDOA localization algorithm based on singular value decomposition was presented.
利用精确的星间激光测距信息，提出了基于星间测距的三星时差定位系统标校方法。
Based on accurate distance information between satellites measured by laser, a calibration technique of a tri-satellite TDOA location system is put forward.
声发射源定位方法中最常用的是时差定位方法，因此，时差获取精确与否直接影响定位的精度。
The time differences between several sensors are commonly used for AE source location; and the accuracy of time differences has a direct influence on the location accuracy.
详细分析高度对三站定位系统定位精度的影响对于正确评价一三站时差定位系统具有极其现实的意义。
For correctly estimating a three-station locating system, it is significant to carefully analyze the influence of altitude on the accuracy of three-station locating system.
给出了测时差定位系统具体的定位公式，并对二维目标定位问题进行精度分析、推导，并提出最优布站原则。
This paper gives some formulas for TOA difference location system, analyzes the accuracy of 2D target location and provides the optimal distribution principle by derivation.
从三星时差定位的原理出发，构建定位方程组，推导理论定位精度公式，详细分析各种星座布局对定位的影响。
Basing on the basic principle of tri-satellites geo-location using TDOA, theory location precision equation is developed and infection of various constellation shape are analyzed in detail.
为使反辐射技术对目标进行快速定位，研制了无源时差跟踪器。
This article states the principle of passive time difference tracker which is used for the fast location to target.
针对测时差非线性定位算法定位模糊、计算量大等问题，提出了一种线性测时差的求解算法。
To reduce the amount of computation and the location blur of nonlinear algorithm, it regards the nonlinear component of nonlinear algorithm as a unknown variable of linear algorithm.
分析了全球定位系统GPS的组成及功能，探讨了GPS实时差分动态定位技术及其误差来源。
This paper analyzes the components and features of GPS, discusses differential dynamic positioning technology with GPS in real time and its error sources.
文中论述了多站时差无源定位的基本原理，提出了以TDOA多基站小区无源定位系统为基础构建区域定位网络的方案。
This paper puts forward a method to construct a local positioning network based on the TDOA multiple stations cell positioning system.
实际测试结果表明：基于GPRS的GPS实时差分系统达到了厘米级定位精度。
The result of positioning precision test shows that the positioning precision of the GPS real time differential system based on GPRS has attained cm-level.
实际测试结果表明：基于GPRS的GPS实时差分系统达到了厘米级定位精度。
The result of positioning precision test shows that the positioning precision of the GPS real time differential system based on GPRS has attained cm-level.
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