This paper discusses mainly the location technology based on TDOA and AOA in WCDMA system.
本文主要探讨了在WCDMA系统中应用的基于TDOA和AOA方法的移动台定位技术。
Firstly, in this dissertation, the Time Difference of Arrival (TDOA) Location Systemhas been studied.
首先，本文研究了到达时差定位系统。
Then we propose a RANSAC algorithm using TDOA estimation for robust speak localization based on valid frames.
在所获得的有效帧的基础上提出一种基于TDOA估计的鲁棒RANSAC算法对说话人进行定位。
This paper studies the TDOA estimation method using the characteristics of cycle stationary communication signal.
研究了一种利用信号谱相关特性对周期平稳通信信号进行时差估计的方法。
Traditional TDOA estimation methods may become invalid due to noises and reverberation in real-world applications.
由于在实际情况中噪声以及混响的影响，传统的TDOA估计方法经常失效。
Second, these preprocessed measurements were input to the TDOA/AOA hybrid location estimator implemented by another Kalman filter.
再把经过预处理的TOA测量值输入到用卡尔曼滤波器实现的TDOA/AOA混合定位器中进行定位。
This paper puts forward a method to construct a local positioning network based on the TDOA multiple stations cell positioning system.
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。
In order to solve these problems, a rank-truncated multi-station TDOA localization algorithm based on singular value decomposition was presented.
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 this thesis, it mainly studies the estimation of TDOA and FDOA under Gaussian noise circumstance, as well as the joint estimation of TDOA and FDOA.
论文基于双星定位原理，着重研究了高斯噪声环境下TDOA和FDOA的参数估计方法，以及TDOA和FDOA的联合估计方法。
Based on accurate distance information between satellites measured by laser, a calibration technique of a tri-satellite TDOA location system is put forward.
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。
Then, we analyze the error statistic model when using TDOA to locate, discuss the statistic character of error distribution when using multi-phones location.
通过分析TDOA定位误差模型，讨论了同一辆公交车上同一时刻的多部手机的定位误差分布特征。
Its location performance is analyzed by the Geometric Dilution of Precision (GDOP). In chapter 3, the estimation of TDOA/FDOA based on higher order cumulant is studied.
第二章研究了双星无源定位系统的定位原理和定位算法，结合其定位几何稀释对系统的定位性能进行了分析。
An algorithm used trigonometry to passively locating a moving emitter with direction of arrival (DOA) and time difference of arrival (TDOA) of the emitter signal is given.
提出了一种利用平面解三角，并结合辐射源信号到达方向和脉冲到达时间差对运动辐射源进行单站无源定位的算法。
Chapter 3 analyzes the methods for estimation of TDOA. Taking linear FM pulse signal as an example, it contrasts the performance of real-correlation and complex-correlation.
第三章对时差测量的方法进行了分析，主要以线性调频信号为例，分析了中频复相关方法测量时差的方法，以及提高测量精度的方法。
Simulations showed that the performance of the proposed tracking method was better than the TDOA tracking method and the static location of Taylor series expansion algorithm.
实验证明，该方法的定位误差性能优于单纯的TDOA定位方法及静态定位方法中泰勒级数展开法的误差性能。
In this paper, we investigate the Constrained Weighted Least Squares (CWLS) algorithms for Time Difference of Arrival (TDOA) based mobile user location in wireless communication systems.
本文主要对无线定位中基于TDOA的一种约束加权最小二乘算法进行了研究。
Location with TDOA is the most promising method in WCDMA system at present. Besides, smart antenna will be implemented in 3g, and location with smart antenna will achieve better precision.
同时，作者考虑到在第三代移动通信系统中，智能天线技术将得到实现，利用智能天线可以实现更精确的定位。
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.
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。
In this paper, the system model of TDOA location has been established on the Communication Countermeasure Simulation Platform based on the working principle of time difference of arrival technique.
本文根据到达时间差(TDOA)定位原理在通信对抗系统仿真平台下建立了TDOA定位系统模型。
The large Numbers of ambiguous TDOAs produced by pulse pairing, not only reduce the speed of processing, but also interfere the extraction of TDOA produced by other signals and pulse deinterleaving.
而脉冲配对产生的大量模糊时差，不仅降低了处理速度，还会干扰对其它信号的时差提取和信号分选处理。
The large Numbers of ambiguous TDOAs produced by pulse pairing, not only reduce the speed of processing, but also interfere the extraction of TDOA produced by other signals and pulse deinterleaving.
而脉冲配对产生的大量模糊时差，不仅降低了处理速度，还会干扰对其它信号的时差提取和信号分选处理。
应用推荐