摘要
根据双基地声纳定位的特点,提出了一种单纯基于声波到达时间(TOL)的双基地声纳定位算法,给出了算法的原理和误差分布。通过数值仿真,研究了基线长度、时间测量误差对算法定位性能的影响。仿真结果表明,TOL算法的定位精度与基线长度有关,随着基线长度的增加,定位精度提高。时间测量误差对算法的定位精度影响较小。与同等条件下单基地声纳定位相比,双基地TOL算法具有更高的定位精度。该研究为多基地声纳新体制的建立,提供了理论依据。
Based on the character of bistatic sonar, the bistatic time-only-localization (TOL) algorithm is proposed in this paper. Through simulation, the localization principle and the error of the algorithm is given. The simulating results show that the location accuracy of TOL algorithm is improved when the length of baseline is long. The time measure error has a little effect on the localization accuracy. The location accuracy of bistatic sonar is higher than that of monostatic. The research presents theory basement for establishing the new multistatic sonar system in the future.
出处
《系统仿真学报》
CAS
CSCD
2003年第10期1471-1473,共3页
Journal of System Simulation
基金
国防科技重点实验室基金(51440102)
船舶工业国防科技基金(2002J42.2.8)。
关键词
双基地声纳
定位
TOL算法
仿真
Bistatic sonar
Localization
TOL algorithm
simulation
