The controller make up of TMS320F2812 DSP chip, detecting circuits include sampling circuit, modulate circuit and phase locked loop and other periphery control and drive circuit.
本文设计的控制器以TMS320F2812DSP芯片为核心，加上检测电路（包括采样电路、调理电路、锁相环等）和其它外围控制和驱动电路构成。
A novel phase detection algorithm that does not need complete period sampling, phase-locked loops or complex electrocircuit hardware was presented in this paper.
本文提出了一种无需整周期采样、无需锁相环和复杂电路硬件的相位检测算法。
The use of phase-locked loop technology makes the sampling frequency synchronously follow the signal frequency and improves the calculation accuracy of sampling data.
运用锁相环技术使采样频率同步跟踪信号频率，提高采样数据计算的准确性。
The use of phase-locked loop technology makes the sampling frequency synchronously follow the signal frequency and improves the calculation accuracy of sampling data.
运用锁相环技术使采样频率同步跟踪信号频率，提高采样数据计算的准确性。
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