两种黑匣子都配备了水下定位信标，当它们和水接触以后会自动启动。
Both black box components are outfitted with underwater locator beacons, which self-activated the moment they come into contact with water.
与呆在救生艇上的人不同的是，我们有一个紧急定位信标，所以海岸警卫队能发现我们。
Unlike the guys in the raft, we had an emergency locator beacon so the Coast Guard could find us.
检查客舱应急话筒是否在位且状态良好。检查应急定位信标发射机状态是否正常，固定是否牢靠。
Check cabin emergency speakers for presence and condition. Check emergency locator transmitter for general condition, security.
第一部分介绍了一种基于圆形信标的全局定位方法。
In the first part, a global location method based on circular beacon is proposed.
研究了一种可用于提高GPS定位精度的差分gps (DGPS)数字信标接收机的设计和研制技术。
A design technique of a Differential Global positioning System (DGPS) digital beacon receiver is presented which can be used to improve the positioning precision.
用TOA法获得定位中需要的时间测量值，从而得到各信标台的距离差；
The TOA algorithm is used to obtain the time measuring values required in the location procedure and thus obtain the difference of interval of each beacon achieved.
在移动大气激光通信中，通常采用信号光和信标光来完成信号的捕获、跟踪、定位以及通信。
In mobile atmosphere laser communication, we often complete acquisition, tracking, pointing and communication by signal laser and beacon laser.
提出用无线信标机来定位停车场中的汽车，重点分析了这种定位方式的原理及其技术特点。
It is advanced in this article that the automobile in parking area can be positioned by using the beaconing machine, and their theory and technique specialty are primarily analyzed.
以平均值平滑滤波法和质心法实现了对信标光斑定位，利用卡尔曼预测算法实现了具有自适应能力的递归跟踪算法。
Using smoothing filter and average-force algorithm to position beacon's facula, then use kalman prediction algorithm with the adaptive capacity to achieve the recursive tracking algorithm.
结果表明较高的标定、计算存储代价以及数据点、信标点的增多可以显著提高定位精度。
The result indicates that higher cost of calibration, computing and storage as well as increasing quantity of data and beacon can obviously improve the localization accuracy.
摘要：信标节点在无线传感器网络定位技术中起着重要的作用，它作为参考节点决定着被定位目标的位置。
Abstract: Beacon nodes are playing an important role in wireless sensor network localization, which are used as the reference nodes to calculate the target position.
该算法通过测量信标节点之间的距离，获得信标节点rssi值测量误差和网络的定位误差，并对误差进行补偿，从而提高整个网络的定位精度。
Errors of RSSI measurement and network location can be got by measuring the distance between beacon nodes, thus the positioning accuracy of entire network can be improved by error compensation.
文中通过对无线电传播路径损耗模型的分析，提出了加权质心定位算法，用信标节点对未知节点的不同影响力来确定加权因子，以提高定位精度。
The design problem of location algorithm in wireless sensor networks is investigated, and a new node positioning algorithm is proposed based on the mobile beacon node method.
仿真实验结果表明，本文提出的两种移动节点定位算法同现有的MCL、MCB算法相比，在同等的信标节点密度、普通节点密度及节点速度情况下，具有较好的定位精度。
Simulation experiment result indicated that, under the condition of same bacon density, node density and node speed, RAMCL and MCAB have a better positioning precision than MCL, MCB.
对于直接连通节点，ELM定位算法充分利用信标节点的坐标进行直接定位，减少了单位跳距误差对节点最终位置的影响。
To those nodes that can communicate with beacons directly, ELM takes full advantage of beacons to positioning them at first hand.
该算法是一种基于距离的三边测量定位算法，根据待测节点到信标节点的距离推测出待测节点的坐标。
The method is dependent on distance, which can get the coordinates of the unknown node through the distance of unknown node and known node.
综合比较了全球定位技术、站点信标定位技术、驾驶员辅助定位技术的性能。
This paper makes a comprehensive comparison of the performance of these three techniques.
综合比较了全球定位技术、站点信标定位技术、驾驶员辅助定位技术的性能。
This paper makes a comprehensive comparison of the performance of these three techniques.
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