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    Besides,the bubble density and reflectance increased with the wake observation position approaching the target ship.
    同时,随着观测点在尾迹中的位置距目标船的接近,气泡密度不断增大,反射率也随之增强。
    Effect of Launching Noise Measured from the Target-ship on Torpedo Attack Efficiency
    目标舰探测到发射噪声对鱼雷射击效果的影响
    An Evaluation System for Single-Target Ship Collision Avoidance Based on Data Fusion
    基于数据融合的单目标船避碰评估系统
    Multi-layers and multi-objects fuzzy optimization model of main target ship
    多层次多目标重点避让船模糊优选模型
    With the development of Radar technic, ARPA (Automatic Radar Plotting Aids) can display directly the course and speed of target ship and get the DCPA and the TCPA of the ship, so it is applied widely.
    随着雷达技术的发展,ARPA(Automatic Radar Plotting Aids自动雷达标绘仪)由于可以直接显示目标船的航向、航速,同时可以直接得到目标船的DCPA和TCPA,因而得到了广泛的应用。
    Using 80386 and AGC 2084+ graphics board based on TMS 34020, this paper completes the simulation of radar image for SPERRY 3400Ⅱ, which includes the following aspects: the obtaining of topographical data and the establishment of radar plane coordinate system and the radar image simulation of coastline and target ships, etc.
    使用80386和基于TMS34020芯片的图形板AGC-2084+完成了对SPERRY3400Ⅱ雷达图像的模拟.其中主要包括地形数据获取和雷达平面坐标系的建立,岸线及目标船图像的模拟方法
    Target ship radar cross section of 30dBm2 and 50dBm2 were utilized f and a radar antennaaperture of 2. 5km and a range resolution of 1. 5km were assumed for this study
    并用一天线口径为25km,分辨率为1.5km的雷达系统,研究了海来波对HF雷达检测海面上雷达截面积为30dBm2的小船目标和50dBm2的大船目标的影响。
    Error analysis of the estimated DCPA by using unchanging relative course line of the target ship in simul ator training
    模拟器训练中利用转向不变线估算DCPA的误差分析
    Method and Realization of Heading & Attitude Measurement and Positioning & Timing for Target Ship
    一种靶船航向、姿态测量与定位、授时的方法与实现
    New Target Ship——Plane Target
    新型靶船——面靶
    Telecontrol and Telemetering System on the Target Ship
    遥控遥测系统在靶船上的应用
    We make our judgments whether ship being in collision risk or not before, only through observing original data of target ship such as range and bearing and their changes.
    以前,我们只是通过观测到的目标船的原始数据,如距离和方位以及它们的变化情况,判断船舶是否存在碰撞危险,即是否有和目标船发生碰撞的可能。
    First of all, based on the aid of AIS (Automatic Identification System), which can give us the target ship's accurate data and will implement in 2002, we study own ship's relative motion to target vessels, define DCPA and its sign, give mathematic model of collision avoidance, produce the optimal opportunity and action taking of collision avoidance, and obtain a graph of action-taking. The optimal opportunity of collision avoidance is not as a point but as a period of time.
    论文首先在2002年将要开始实施的船舶自动识别系统(AIS)所能提供的准确目标船信息的基础上,研究本船相对于目标船的运动,定义DCPA的大小和符号,推导出船舶避碰数学模型,给出船舶最佳避让行动与时机,得出避让行动曲线图,并且明确最佳避让行动时机不是某个点,而是一个时间段。
    ARPA marks consist of fixed range marker, variable range marker, electronic bearing line, guard zone, heading-line, parallel index(4 navigation lines), vector lines(or PAD) and past track information of tracked target ships, marks of trial manoeuvres, ect.
    ARPA符号包括包括固定距标圈、活动距标圈、电子方位线、警戒圈、船首线、PI线、已录取目标的矢量线以及历史航迹(或PAD)、试操船符号等。
    (2) Identifying the 2 puzzles confusing the study of AAS, which are the reliability of data received from target ship and the communications of the intention of collision avoidance between ships, by analyzing the research of AAS domestically and internationally.
    ②分析了目前国内外自动避碰决策系统的研究情况和现状,指出了长期困扰自动避碰决策技术发展的二个问题,即他船信息来源的可靠性问题和船舶间航行、避碰意图互相通报的问题。
    In view of the divisions of collision avoidance situation, the movement parameters of both own-ship and target ship are calculated considering the factors of own-ship's speed, the speed ratio of both encounter ships and the encounter situation to lay a solid basis for decision-making of ship collision avoidance.
    ● 在考虑两船避碰行为局面划分的基础上,根据本船速度、两船速度比、来船会遇态势等因素,对本船及来船的运动参数进行计算,为船舶的避碰决策打下良好的基础。
 

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