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基于脉冲反射法,设计了一款便携式电缆故障定位仪。该定位仪采用“单片机+高速CPLD”的控制模式,并使用了新型的高速AD转换芯片,设计中着重考虑了低功耗的要求。从而使得该定位仪具有智能化程度高、采集精度高和方便携带的优点。
Based on pulse reflection method, a portable cable fault locator was designed. The locator adopts the control mode of “one-chip computer + high-speed CPLD” and uses the new high-speed AD conversion chip, and the design mainly considers the requirements of low power consumption. So that the locator has a high degree of intelligence, acquisition accuracy and easy to carry advantages.