| 一种简单高效的前沿检测时间估计算法及其应用 |
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| 引用本文： | 包杰 张东旭. 一种简单高效的前沿检测时间估计算法及其应用[J]. 重庆邮电学院学报(自然科学版), 2006, 18(1): 79-81,95 |
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| 作者姓名： | 包杰 张东旭 |
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| 作者单位： | 重庆邮电学院,重庆400065 |
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| 摘 要： | 在基于时间的无线定位系统中，时间估计算法的精度和复杂度是衡量系统性能的关键因素。在直接相关检测的基础上提出一种新的前沿检测算法，通过设定检测门限对相关峰的前沿进行检测得到时间估计。经过仿真分析验证，此算法有效地提高了定位精度和一致性，并对多径误差具有一定的抑制作用。
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| 关 键 词： | 到达时间 到达时间差 前沿检测 多径误差 |
| 文章编号： | 1004-5694（2006）01-0079-03 |
| 收稿时间： | 2005-06-08 |
| 修稿时间： | 2005-06-082005-11-21 |
A sample effective algorithm of time estimation of leading edge detection and its applications |
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| BAO Jie, ZHANG Dong-xu. A sample effective algorithm of time estimation of leading edge detection and its applications[J]. Journal of Chongqing University of Posts and Telecommunications(Natural Sciences Edition), 2006, 18(1): 79-81,95 |
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| Authors: | BAO Jie ZHANG Dong-xu |
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| Affiliation: | Chongqing University of Posts and Telecommunications, Chongqing 400065 , P. R. China |
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| Abstract: | In the Time-based Radio Location System, the precision and complexity of the time estimation algorithm are the key factors that affect the system performance. This paper presents a new leading-edge detection algorithm based on the direct correlation search, which sets on a threshold to estimate the leading edge of the correlation impulse. The simulations show that the algorithm has higher stability, positioning precision and capability of the multipath error reduction. |
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| Keywords: | time of arrive time difference of arrival leading edge detection multipath error |
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