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How it works: GMDSS equipment

机译:它的工作原理:GMDSS设备

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Emergency Position Indicating Radio Beacons (EPIRBs) are tracking transmitters that aid the detection of boats, aircraft and people in distress. Strictly speaking, they are radio-beacons that interface with Cospas-Sarsat, the international satellite system for search and rescue (SAR). They can be activated manually or automatically activated upon immersion. EPIRB signals are monitored worldwide by non-geostationary satellites and can be pin-pointed by GPS trilateration and/or Doppler triangulation. Passenger vessels generally carry at least two EPIRBs: one mounted externally and capable of float-free automatic activation; and another manually operated unit usually placed in the wheelhouse.
机译:表明无线电信标(EPIRB)的紧急位置正在跟踪发射机,以帮助检测船只,飞机和遇险人员。 严格来说,它们是与国际搜救卫星系统Cospas-Sarsat相互作用的无线电生杆。 它们可以在浸入后手动激活或自动激活。 EPIRB信号通过非固化卫星在全球范围内监测,可以通过GPS三征和/或多普勒三角剖分来钉住。 客船通常至少携带两个EPIRB:一个外部安装,能够无浮动的自动激活; 另一个手动操作的单元通常放在驾驶室中。

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