probe electrode meaning in English

电针
试探电极
探查电极

The analog circuit of the system in this thesis is composed with pre - positive circuit of 4 - probe electrode sensor and temperature - measure circuit . the digital circuit regards at89c55 single - chip as core , expanding ad , key in , display out and memory peripheral chips
系统硬件的模拟电路部分设计了四电极传感器前置模拟电路以及热敏电阻测温电路;数字电路部分以at89c55单片机为核心,扩展了a / d ,键盘输入,显示输出等基本功能。
In order to eliminate the influences caused by temperature , electrode - polarization and autoeciousness - capacitance , the traditional instrument has added complicated circuits so that it cause such shortcomings as big error , time - retardation and a relatively small scope . through the problems caused by 2 - probe electrode and ac current source , a new measuring circuit based on the excitation of bi - directional voltage pulse and the sensor of 4 - probe electrode is proposed , using single - chip to achieve auto - temperature compensation
作者在参阅国内外大量相关参考文献的基础上,从电导测试技术的原理性研究出发,分析了采用交流激励源、两电导电极为传感器的传统电导测试系统所面临的种种问题,提出并研制了一种基于双极性脉冲电压激励、以四电导电极为探头、运用单片机进行温度自动补偿的新型电导率测量系统。