The detecting system is reasonably employed in measurement of nonlinear properties of the media, using synchro correlation detection technique and programmecontrol.
使用了同步相关检测、取样积分和微机控制技术，使之在介质非线性性质测量中得到合理使用。
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According to the technological requirements and features in the assembling process for the vane pump of automobile, a programmecontrol system is designed using S7-200PLC of SIEMENS.
This article introduces the basic principle of the programmecontrol amplifier controlled by 8031 single chip microcomputer and the design thought of the system hardware and software.