Then, through analysis of working principle of the controller, comparison between two current hysteretic control, strategies and design of main circuit parameters are given.
接着，本文介绍了控制器的工作原理，给出了两种斩波控制方式的比较、控制器主电路参数设计和驱动电路设计。
The article mainly introduces the composition, working principle and shows the metering course of this system. The article also makes the error analysis of the system measurement.
本文主要介绍了该系统的组成和工作原理，并用实例阐述了系统的计量过程，最后进行了系统的计量误差分析。
The working principle and realization of a biochemical substance analysis system are introduced.
介绍了一种生化物质分析系统的原理与实现。
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