先修课程:基础龙骨帆船(ASA101)证书 有意向提升或重新熟悉之前在水上 ASA 认证课程中所学的航海知识和技能。 学生和教练在复习前共同决定目标,教练为学生提供一份书面的个人推荐计划和日志, 学生可在复习结束后继续提升知识和能力。这种复习可以多次进行。
1. How radar works 雷达的原理
Overview of system components 雷达部件
Microwave pulse and beam structure 微波脉冲和射束
Radar target characteristics 雷达目标的特点
Range of detection, scanner design, and mounting options 测量距离、扫描天线设计和安装方式
Power requirements 电源要求
Radiation safety near radar scanners 雷达扫描天线附近的防辐射措施
2. Radar Operation 雷达操作
Turning on, warming up, and initial adjustments 启动、预热、初调
Gain adjustments
增益调整
Use of anti-clutter controls for rain (FTC) and sea state (STC)
自动雨雪抑制(FTC),自动海浪抑制(STC)
Pros and cons of optional display modes: Head-up, North-up, and Course-up 以下显示模式的优缺点:首向上模式,北向上模式,航向向上模式
Optimizing pulse-length selection 优化脉冲长度选择
Measuring target range and bearing with VRM, EBL, and cursor mode
用活动距标圈(VRM)、电子方位线(EBL)、光标模式测量物标距离和方位
Use of guard sectors and alarms 警戒圈和物标报警
3. Interpreting the screen 显示数据的解读
Optimizing radar picture for specific observations 优化特定观测目标的雷达图像
Radar shadows 雷达盲区
Effect of horizontal beam width on target images 水平射束宽度对目标图像的影响
Effect of pulse length on target images 脉冲长度对目标图像的影响
Identifying interference and other unwanted echoes 辨认同频干扰和其他不需要的回波
4. Piloting 引航
Use of radar to hold a desired course 利用雷达保持航向航行
Use of electronic range and bearing line (ERBL) 电子距离和方位线(ERBL)
Finding and keeping track of position relative to prominent landmarks
找到并跟踪本船相对于主要路标的位置
Identifying distant harbors or channels 辨认位于远方的港口和航道
Rounding a corner at a safe distance off the shore 距离海岸一段安全距离外转弯
Anchoring with radar 借助雷达锚泊
5. Position navigation 定位与导航
Coordinating electronic chart displays with the radar screen 协调电子海图的数据和雷达数据
Quick radar range and bearing confirmation of GPS positions
在雷达上确认本船的距离和方位与GPS数据是否一致
Accurate multi-range fixes using radar 利用雷达对多个物体多角度、多距离测量,精准地确定船位
6. Collision avoidance 避免碰撞
Use and value of target trails and wakes 目标尾迹的使用方法和作用
Tracking targets with EBL and VRM 利用EBL和VRM追踪目标
Estimating time, range and bearing to closest point of approach (CPA)
根据雷达观测,预测最近会遇点(CPA)的时间、距离和方位
Figuring true course and speed of approaching targets (relative motion diagram)
判断朝本船驶来的他船物标的真航向和速度(相对运动关系图)
Determining expected running lights based on radar observations 根据雷达观测,确定使用的舷灯
Rules of thumb for radar maneuvering 雷达操作的经验法则
Radar reflectors 雷达反射器
Overview of ARPA and AIS 自动雷达标绘仪(ARPA)和船舶自动识别系统(AIS)
7. Radar and the Navigation Rules 雷达和航行规则
Role of radar in evaluating risk of collision 雷达对估计碰撞危险的作用
Cautions (limitations) for radar use cited in the Rules 航行规则中列出,雷达使用应注意的事项
Rules’ requirements for checking various ranges and adjustments
航行规则要求检查雷达量程和参数调整
Application of Rule 19d—when detecting a converging target by radar alone
航行规则第9条(d)——仅用雷达探测出另一艘船正向本船会遇