最终查出造成机组事故的根本原因是可控硅励磁装置供电电源无工作状态监视信号及故障报警信号；
The final basic cause that resulted in the failure is no working state monitoring signal and failure warning signal of power supply source of controlled silicon excitation device.
该装置安装在工业电视系统摄像机与监视器之间，采用模拟电子技术直接针对工业电视信号进行图像增强，它没有量化噪声。
The unit is mounted between the camera and the monitor of ITV; the ITV signals are enhanced directly by using analog electronic technology without introducing quantized noise.
该装置安装在工业电视系统摄像机与监视器之间，采用模拟电子技术直接针对工业电视信号进行图像增强，它没有量化噪声。
The unit is mounted between the camera and the monitor of ITV; the ITV signals are enhanced directly by using analog electronic technology without introducing quantized noise.
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