372561 RADAR

impacode	372561
uom(单位)	SET
title(品名)	372561 RADAR
desc(描述)	Electronic system by which the bearing and distance of an object are found by the emission of a radio pulse. An object’s bearing and distance can be measured by observing the direction from which the pulse returns and the time elapsed from when it was sent. Ships of 500 gross tons or more constructed on or after September 1st, 1984 and ships of 1,600 gross tons or more constructed before September 1st, 1984 shall be fitted with a radar installation. From February 1st, 1995, the radar installation will be capable of operating on the 9 GHz frequency band. In addition, cargo ships of 300 gross tons or more, when engaged on international voyages, shall be fitted with a radar installation capable of operating on 9 GHz frequency band.
cdesc(自动翻译)	372561 雷达通过发射无线电信号来确定物体的方向和距离的电子系统。通过观察脉冲返回的方向和发送后经过的时间，可以测量出物体的方向和距离。自1984年9月1日起建造或载重超过500公吨的船舶，以及1984年9月1日之前建造但载重超过1,600公吨的船舶，必须安装雷达设备。自1995年2月1日起，雷达设备应能工作在9GHz频段。此外，载重超过300公吨的国际航行货船也应配备能够在9GHz频段工作的雷达设备。