到达时间差 meaning in English
arrival time interval（Δtij）
dtoa
interal arrival time
interal,arrivaltime
interval arrival time （Δtij)
tdoa
Examples
- Due to a lot of inherent advantage of it , cdma has become the main multi access system for the 3 generation mobile communication system . the network - based tdoa location technique is the prevailing location technique in cdma system
Cdma固有的诸多优点使其成为第三代移动通信系统的主流体制，基于网络的到达时间差（ tdoa ）定位是cdma系统中具有广阔前景的移动台定位技术。 - Therefore , mobile location technique has become the core technology in wcdma network . the basic principle of the moving location technique and the leading location methods are introduced firstly , and comparing their respective advantages and disadvantages in accuracy , cost etc , and the factors affecting the accuracy of the methods are discussed as well ; secondly , aimed at the tdoa location technique , the mathematical model of tdoa hyperbolic equations is established , advantages and disadvantages of several tdoa location algorithms are analyzed in detail ; then , the basic mobile location technique , location method implementation , network architecture , signaling protocol and interface , location procedures and multiple accuracy location procedure of wcdma mobile location are analyzed and discussed in this thesis
本文首先介绍了移动定位技术的基本原理和目前主要的定位技术,并对这些定位技术进行了比较,同时就影响移动定位精度的若干因素进行了详尽的讨论;针对目前采用最多的到达时间差( tdoa ,全称timedifferenceofarrival )定位技术,给出了tdoa双曲线方程组的数学模型,详细地分析了各种主要基于tdoa技术的定位算法的优缺点;然后对wcdma网络中的基本定位技术、定位实施方法、网络结构、信令协议、操作流程和多精度定位流程实施方法进行了分析和探讨。 - Based on the configure of direction finding , the location method , algorithm , accuracy and performance for multistations and single station are studied in this thesis , and the computer simulation results are given out . it is important of resolving the performance of antenna array . a technique to estimate and calibrate the performance is developed in this page
本文以测向系统的组成为基础，研究了单平台情况下利用到达方向、到达时间差、多普勒频率差、相位变化率等参数的测向方法、测向算法、测向精度和性能，并进行了计算机仿真，为无源测向系统的设计和实施提供了重要的理论基础和实验数据。 - Cellular wireless location service is a new mobile value - added service with a good market future . its basic principle is to implement mobile user location through estimating charactistics parameters relative to position , including time - of - arrival , time - difference - of - arrival , direction - of - arrival , ect
蜂窝无线定位服务（ lcs ）是一种具有广阔市场前景的移动增值业务，其基本原理是利用现有蜂窝网络，通过对各种位置特征参数,包括到达时间( toa ) 、到达时间差( tdoa ) 、到达方向( doa )的测量和估计，从而实现移动用户的定位。