It would appear from the activation of the emergency position indicating radio beacon (EPIRB) that something has happened.
紧急无线电示位标(EPIRB)的激活显示他们似乎是遇到麻烦了。
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.
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。
Then, the effects of radar beacon position, cluster geometry and satellite altitude on the geometry dilution of precision factor are analyzed.
进一步分析了雷达辐射源位置、星座几何形状和星座的卫星高度对几何精度衰减因子的影响。
Three satellites cluster for time-difference localization is applied to find the radar beacon position on the ground.
三星时差定位星座是用于地面雷达辐射源定位的星座。
If a skier gets buried in an avalanche, the beacon is used to locate his or her general position.
如果滑雪者被雪崩掩埋，信号器就可用来找出其大概位置。
The beacon emits a visible optical signal (310), thus transmitting position data.
该信标发射可见光信号(310)，从而产生位置数据。
The beacon emits a visible optical signal (310), thus transmitting position data.
该信标发射可见光信号(310)，从而产生位置数据。
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