从模拟到数字射频技术的转变产生了对高性能射频测试工具的需求，同时也为启动了对基于PC的示波器和数字化仪的需求。
The transition from analog to digital rf technology has generated the need for high-performance rf test tools and has fueled the demand for digital as well as PC-based oscilloscopes or digitizers.
采用模拟回波和精密延时电路检测照射能力、用CCD采集激光光斑测试激光束散角，实现了整机性能的数字化检测。
Using simulation echo wave and accurate time delay circuit to measure ranging ability, using CCD to grasp laser facular to measure divergence of laser pulse, the digitized methods are realized.
当前，数字化技术及网络技术飞速发展，作为测试系统的源端，传感器输出大部分仍是模拟信号。
At present, digitization and network technology are developing rapidly. As the source end of testing system, the majority of sensor output is still analog signal.
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