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Is a series of aids to navigation light LED lamps high-tech enterprises, which uses advanced LED series light source to replace the domestic aids to navigation lighting products are still using the traditional tungsten halogen light source or other traditional source of lighting, making China's aids to navigation lights product quality to meet international advanced level.

深圳市锐步科技有限公司是一家研发LED光源系列助航灯具的高新技术企业,它采用先进的LED系列光源取代国内助航灯光产品中仍在使用的传统卤钨光源或其他传统光源的灯具,使得我国的助航灯光产品质量达到国际先进水平。

ABSTRACT: The UAV navigation system's performance is improved through embedding the geography information model that can process the vector map data in the system by using MapX, In this paper, how to navigate and plan the UAV flight course in the vector map is investigated. The basic control and operation for vector map in the geography information system is introduced, and the flight course is designed and modified in the map. In addition, 2D vector map can't orient UAV in 3D space, so the altitude model is added in the UAV navigation system to realize 3D orientation by integrating 2D vector map with altitude plot. The simulation results in the UAV simulation system indicate that the navigation system can monitor and control UAV efficiently and intuitionally.

使用MapX在无人机导航系统中添加能够处理矢量地图数据的地理信息模块,可以显著地提升系统的性能;文章对如何在矢量地图下进行无人机导航与任务规划进行了研究,完成对地理信息系统中矢量地图的基本控制和操作,并在地理信息图上进行航线的设定与修改;另外,针对二维矢量地图无法对无人机进行三维空间定位的问题,文章通过在无人机导航系统中添加高度位置显示模块,用二维平面地图与高度图相结合的方式来实现对无人机位置的三维定位;通过在无人机仿真实验系统中的使用,证明了该系统能高效、直观地对无人机飞行进行监视与控制。

Based on the different features of HModulated gyro monitor inertial navigation system,electric navigation chart and bathometer,this paper presents an integrated HMGMINS/ENC/BM navigation system.

根据H调制陀螺监控惯性导航系统、电子海图以及测深测潜仪的不同特点,提出了一种HMGMINS/ENC/BM组合导航系统。

Based on the integrated inertial navigation system mainly consisting of inertial navigation system and electrostatically supported gyro monitor,mathematical and hardware-in-the-loop simulation in the course of the development of the integrated navigation system is discussed in this paper.

文摘:本文以用惯性导航系统和静电陀螺监控器为中心的综合惯性导航系统为背景,讨论了综合导航系统研制过程中的数学和半实物仿真技术。

In any river, lake, reservoir and canal: discarding or piling objects impedimental to flood passage and navigation, or planting trees and growing crops of long stalk variety impedimental to flood passage; and in any navigation channel: abandoning sunken vessels, laying fishing implements impedimental to navigation, and cultivating aquatic plants

一在江河、湖泊、水库、渠道内弃置、堆放阻碍行洪、航运的物体的,种植阻碍行洪的林木和高杆作物的,在航道内弃置沉船,设置碍航渔具、种植水生植物的

Firstly, the flood control regulation of TGP in Sep is computed based on the analyses on the inflow in Sep and Oct, and the risk and loss on the ahead impounding scheme is calculated and analyzed. Then, the storage level, power production and releasing discharge are achieved by computing on the electricity generation model through reservoir regulation graph. Thirdly, obstruction in channel is analyzed and the problem in the Chongqing reach is more serious in 175-145-155m scheme. The sediment aggrading process and distribution on different schemes is calculated by 1-D reservoir mathematical model. The navigation benefit is computed by navigation model. Based on above calculations, the impounding time is decided by the multi-purpose decision model, and evaluate by analytical hierarchy and balance layout model. A best impounding scheme is achieved to match the requirement of flood control electricity generation and navigation et al.

首先,在对宜昌站9、10月份来水分析的基础上,采用第2章建立的防洪优化调度子模型进行了三峡水库9月份防洪调度,分析了汛末提前不同天蓄水对防洪的影响,计算了汛末不同蓄水方案水库9月份的洪灾风险率和风险损失;接着,根据第2章建立的发电调度子模型进行了三峡水库发电调度计算,得出了不同蓄水方案下水库的坝前水位、发电量及下泄流量过程;然后,分析了175-145-155m方案下三峡水库的碍航问题,指出175-145-155m方案下重庆河段的碍航问题最为严重,通过进行不同蓄水方案下水库一维泥沙冲淤计算,得出了不同蓄水方案下库区淤积过程及分布,并通过航运调度子模型,计算了不同蓄水方案下水库的航运效益;最后,根据以上防洪、发电及航运调度计算的结果,运用第3章水沙多目标决策模型对水库的蓄水时间进行了多目标决策,并采用层次加权均衡规划模型对计算结果进行评价,得到一个能满足水库防洪、发电及航运各方面要求的最佳蓄水方案。

Lin Zi Liang, in his childhood, was good at hand making works, such as, furniture, drawing, carving. In 1964, he enrolled in Shanghai Navigation College, afterwards, he studied in Da Lian Navigation College in 1980. From a sailor to a chief mate, he devoted his life to the ship. In 1987, Lin Zi Liang was deeply attracted by the picture of the bottled ship, when he was reading a 'Navigation' magazine from overseas. He started to make the model ship.

林子良从小就喜欢动手做些手工活,自己打过家具,对绘画、雕刻也有相当的造诣。1964年,初中毕业考进了上海海运学院,1980年继续就读于大连海运学院,把一生和船联系在一起,由水手一直做到大副。1987年,林子良偶然看到一本《航海》杂志介绍国外的瓶装船模,一下就被深深的吸引住,开始尝试自己制作。

Passing by the safety evaluation, we can understand and control the dangerous degree of navigation environment in Humen Port and the dangerous condition of the each index sign factor goodly, provide scientific decision reference for marine management section improving bridge area navigation environment and navigation management and control.

通过安全评价,我们能较好地了解和掌握虎门港水域通航环境危险程度和各指标因素的危险状况,为海事管理部门改善桥区通航环境以及通航管理与控制等方面提供科学的决策依据和参考,因而具有一定的实用价值。

Researches on terrain matching navigation, gravity assistant navigation and geomagnetism assistant navigation have been developed.

重力导航是基于图的导航,根据导航重力仪和导航精度要求的具体情况,寻求能够保证导航定位精度的重力图构建方法是实现重力导航的重要步骤。

Based on the ideal of making most use of the celestial navigation system that is high accuracy,after analyzing the principle and error models of the CNS and inertial navigation system,an error correction algorithm of the CNS/INS integrated navigation is presented.

通过分析导弹天文导航和惯性导航的导航原理和误差模型,在基于充分利用高精度天文导航参数的思想上,提出了组合导航的误差修正方法。

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