Nuclear power station rod position threshold value analysis method and system and rod position recording intelligent analyzer

The invention relates to a nuclear power station rod position threshold value analysis method and system and an intelligent rod position recording analyzer, and the method comprises the steps: executing parameter setting after the intelligent rod position recording analyzer is connected with a detector, and controlling the intelligent rod position recording analyzer to enter a working state; controlling the target control rod to execute one-time lifting operation; the rod position recording intelligent analyzer collects the waveform of the target control rod in real time to obtain waveform data of the target control rod; controlling the target control rod to execute secondary lifting operation; the rod position recording intelligent analyzer performs voltage acquisition on the target control rod to obtain voltage data of the target control rod; and performing calculation according to the waveform data and the voltage data of the target control rod to obtain a first rod position threshold value and a second gr