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| 1 | 基于量测位置分布统计的轨迹终结方法显示文摘针对特殊的水下目标跟踪环境(强杂波干扰),提出一种高效的目标轨迹终结方法:基于量测位置分布统计的轨迹终结方法.目标消失前后,目标轨迹的一些关键信息统计特征发生显著变化,如量测位置分布.基于此原理,依据量测位置分布的变化情况能有效区分虚假轨迹与真实目标轨迹,进而确定目标是否消失.基于量测位置分布统计的轨迹终结方法适用于高密度杂波环境.仿真与分析表明此轨迹终结方法提高了虚假轨迹的删除概率,减小了目标轨迹的误删除概率,因而增强了水下目标跟踪性能. | 李冬冬 张瑶 林扬 | 2017 | 机器人2017，39，3： | 2 |
| 2 | 主动声呐多假设跟踪算法的一种改进显示文摘针对主动声呐检测中存在的量测断续问题,利用似然函数与多假设跟踪算法相结合,对跟踪丢失的主动目标进行延迟判决,实现了主动目标断续跟踪问题。并利用仿真与试验验证了该改进算法的有效性。 | 费自刚 任凯威 | 2018 | 声学与电子工程2018，，3： | 1 |
| 3 | A Track Initiation Method for the Underwater Target Tracking Environment显示文摘A novel efficient track initiation method is proposed for the harsh underwater target tracking environment(heavy clutter and large measurement errors): track splitting, evaluating, pruning and merging method(TSEPM). Track initiation demands that the method should determine the existence and initial state of a target quickly and correctly.Heavy clutter and large measurement errors certainly pose additional difficulties and challenges, which deteriorate and complicate the track initiation in the harsh underwater target tracking environment. There are three primary shortcomings for the current track initiation methods to initialize a target:(a) they cannot eliminate the turbulences of clutter effectively;(b) there may be a high false alarm probability and low detection probability of a track;(c) they cannot estimate the initial state for a new confirmed track correctly. Based on the multiple hypotheses tracking principle and modified logic-based track initiation method, in order to increase the detection probability of a track,track splitting creates a large number of tracks which include the true track originated from the target. And in order to decrease the false alarm probability, based on the evaluation mechanism, track pruning and track merging are proposed to reduce the false tracks. TSEPM method can deal with the track initiation problems derived from heavy clutter and large measurement errors, determine the target's existence and estimate its initial state with the least squares method. What's more, our method is fully automatic and does not require any kind manual input for initializing and tuning any parameter. Simulation results indicate that our new method improves significantly the performance of the track initiation in the harsh underwater target tracking environment. | LI Dong-dong LIN Yang ZHANG Yao | 2018 | China Ocean Engineering2018，32，2： | 1 |
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