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论述激光调阻机中用有源单臂电桥进行刻蚀电阻的原理 ,提出在低阻测量时消除线电阻及其接触电阻的一种方法 .在时频域对激光调阻机高精度可编程电源电路进行分析 ,得到消除线电阻及其接触电阻的结论
This paper discusses the principle of using an active single-arm bridge to etch resistance in a laser resistance-adjusting machine, and proposes a method to eliminate the resistance of the wire and its contact resistance in the low-resistance measurement.High precision of the laser resistance- Programming power circuit analysis, get rid of line resistance and its contact resistance conclusion