工程师监测桥梁只需用无线电波扫描天线，来观察他们的反馈波形，就可以得出桥的安全状况。
Engineers monitoring the bridge would just need to scan them with radio waves to see which wavelength they responded to, in order to find out what was going on.
本文介绍了一种采用通用的磁偏转crt显示器并以光栅扫描方式显示四道波形的数字存贮示波器。
This paper introduces a digital storage oscilloscope, which can display four channel waveforms on an ordinary magnetic deflection CRT monitor by means of interlaced raster scanning.
针对具体的弹载系统，确立基于时域一维波形的二次扫描识别方案。
Then the double scanning recognition sketch based on the one dimensional wave in time field is determined for the concrete system.
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