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3 测站3.1 总则 超声测流站的设备组成如下: (1)位于测站配置的每条传播声道两端的数对换能器; (2)测深仪; (3)连接换能器和测深仪的电子部件; (4)记录或遥测设备。 该电子部件进行以下工作: (1)读取水深值,并决定哪几对换能器(或声道)投入运行; (2)依次激励换能器; (3)接收已经横穿传播声道的结束声信号; (4)进行信号检测,以决定它们是否可以被接受;
3 Stations 3.1 General The equipment of the ultrasonic anemometer is composed as follows: (1) Number of pairs of transducers located at each end of each propagation channel configured by the station; (2) Depth sounder; (3) Connection of transducers and Electronic components of the sounder; (4) Recording or telemetry equipment. The electronic unit performs the following operations: (1) reading the water depth and determining which couple of transducers (or channels) are in operation; (2) sequentially energizing the transducers; (3) ; (4) Signal detection to determine if they are acceptable;