计算机控制系统的设计与智能仪表的研制开发必须要考虑抗干扰问题，信号隔离是抗干扰的重要措施。
The problem of antijamming must be considered in designing and developing computer control systems and intelligent devices. The signal isolation is an important meathod to reject interference.
探讨了集散控制系统DCS安装调试过程中出现的交流干扰、直流电位等现象的隔离问题以及信号隔离器在解决这方面问题的应用情况。
Discusses the separation of ac interference and DC potential, etc, during installation and commissioning of DCS systems, and the application of signal spacers to solve this kind of problems.
抑制干扰也从电源系统、地线、信号线等方面采取措施，通过隔离、屏蔽、滤波、接地等方法，在软件上采取数字滤波。
We take measure for inhibition interference by power supply system and signal wire and ground wire etc. Using digital filter in software through isolate, screen, filter and ground connection etc.
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