Abstract:In the daily radar system maintenance and radar repair , the oscilloscope is the most radar JiWuyuan commonly used tools, accurately using the oscilloscope measure the radar system working status of the various components for the sampled waveforms and quickly record states is an important means to locate the fault. According to the actual, this paper summarized the digital oscilloscope a few commonly used methods and precautions in radar maintenance and repair, hoping to improve applications of the oscilloscope for the radar system maintenance and repair capabilities.