| 1. | Ship navigation and monitoring system based on dgps , ais and gprs
的船舶导航与监控系统 |
| 2. | Ship navigation and monitoring system based on gprs and ec
和电子海图的船舶导航与监控系统 |
| 3. | In late 1970 s , rubidium atomic frequency standards for ship navigation were developed , and in 1990 s a new revised was made
上世纪七十年代末，研制出船舶导航用铷原子频标，并在九十年代末研制出换代产品。 |
| 4. | The system has been applied in the field of weapons , shipping navigation , industry monitor and traffic control because of its low cost and superior visibility
它以低价位高清晰度的优势被广泛应用于军事武器、航海导航、工业监控、交通管理等领域。 |
| 5. | In order to solve the above problems , international maritime organization ( imo ) attaches great importance to the role of training and evaluation of ship maneuverability for ensuring ship navigation safety
正是源于此，国际海事组织( imo )非常注重对船员的训练考核和对船舶操纵性的评估工作。 |
| 6. | With these data , in terms of ship maneuverability , response equation of ship movement , wind and current math model , the paper carries out ship navigation track simulating and various parameter calculations . the paper is made up by the sixth chapter
有了这些数据之后，根据船舶的操纵性能和船舶运动响应方程以及风、流的数学模型，来进行船舶的航迹模拟和船舶在桥区航行时的各种参数计算。 |
| 7. | In the end , it analyzes the economy of the cooling system , pointing to variable operation conditions in which the ship runs , because the span of the shipping navigation area is great . this supplies the demonstration and convenience for engineer manager in the operation and management of cooling system
最后针对于船舶航行的航区跨度大等特点，对冷却系统变工况运行的经济性进行了研究，从而为轮机管理人员在冷却系统的运行管理过程中提供了一些依据和便利。 |
| 8. | Abstract : the time - variant reliability analysis of ship hull girders subjected to the deg r adations of fatigue and corrosion is quantitatively carried out in this paper . th e analytical formulations are derived and simple program is compiled . as a case s tudy , the time - variant reliability of a vlcc tank is calculated . it shows that th e degradation effects of fatigue and corrosion are very important for the load - c a pacity calculation of thsip hull girders . after the second special inspection ( 10 years ) , the detailed inspection should be done in order to guarantee the safety of ship navigation
文摘:定量考虑船体构件疲劳裂纹扩展和环境腐蚀对船体梁承载能力的双重衰减因素的影响，对船体梁的时变可靠性进行了分析，列出了时变可靠性分析公式并编制了相应的计算程序.以一艘大型油船的结构可靠性为例，表明疲劳裂纹和环境腐蚀在第二个特检年( 10a )之后对船体梁承载能力有显著的影响，此时开展详细的船体结构检查对保证船舶营运的安全性具有重要的意义 |
| 9. | Hi order to improve the shipping navigation safety , operating efficiency and the information transmitting capacity on the sea , the international maritime organization and international telecom union confirm that ais ( automobile identifying system ) is the identifying , inspecting and communicating system on the sea in the future
为了提高船舶航行安全、操作效率以及海上信息传输能力，国际海事组织和国际电联确定了ais (船舶自动识别系统， automobileidentifyingsystem )为未来的海上识别、监测和通信系统。 |
| 10. | The system has a satisfactory variety of functions , strong adaptability , and is easy to use . another system is also developed for supervision and decision - making of ship navigation . the system can analyze navigation conditions , select and check navigation route based on data from physical and mathematical models
该系统应用物理模型和数学模型的计算结果，结合形象、直观的图形显示，能方便地对河道的航行条件进行分析，并能进行航线的选择和检验；通过设定多个参数的大小，能进行各种不同的航行演示，满足实际的需要。 |
