time signal station

At last, the test results of time synchronization between the signal of master station of the "Donghai" Chain of "Changhe 2" navigation system and UTC ( NTSC), kept by the National Time Service Center are presented.

最后，给出了长河二号东海台链的主台信号与国家授时中心的UTC（NTSC）之间的同步实验结果。

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On the problem of alarm when parts are falling down in the nuclear power station, the Artificial Neural Network ( ANN) method has been firts applied in realizing the alarm of falling parts based on the time frequency characteristics of impact signal.

针对核电站一回路系统中检测金属跌落零件误报警率高的问题，提出了基于信号时频域二维特征的神经网络报警方法。

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Through simulating the actual operating condition at the Shenyang ( Power) Station, an online real-time monitoring system for the concentration of coal powder, composed of powder feeding device, electrostatic sensor, signal processing circuit, data acquisition card and industrial controlling computer, was built.

模拟沈阳热电厂的实际工况，构建了由风力送粉装置、静电传感器、信号处理电路、数据采集卡及工业控制计算机组成的煤粉浓度在线实时监测系统。

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