研究了软件锁相环技术在陀螺用无位置传感器无刷直流电机稳速控制系统中的应用。

The software phase-locked loop (SPLL) technology in the steady speed control of permanent magnet brushless DC motor (BLDCM) in gyro was discussed.

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随后，本文详细讨论了并网过程中的软件锁相环技术，对锁相环电路的组成、工作原理进行了研究。

Subsequently, the detailed discussion of the software phase-locked loop technology and network process, the composition of the phase-locked loop circuit, the working principle of the study.

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提出了一种以复杂可编程逻辑器件（CPLD）和锁相环技术为核心的新型通用数字触发器，对其硬件电路和软件设计进行了详细分析。

To aim at the defect of the simulate trigger and the digital trigger with microcomputer, a new universal digital trigger based on CPLD and PLL is introduced.

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