介绍了双计数器多周期同步法频率测量原理，给出了用单片机实现的具体实现方案。
The paper introduces the principle of frequency measure based on double-counter and multi-periods pulse synchronization method, and the designing with microprocessor is offered.
论文采用新颖的多周期同步法测量沥青流量，详细进行了系统误差分析，确保沥青流量的准确测量。
We applied the novelty Multiple Periods Synchronization Method to measure asphalt flux, its system error in measurement are carefully analyzed.
提出了一种高精度频率测量系统的设计方法，应用单片机技术将多周期同步法和量化时延法相结合，实现了频率的高精度快速测量。
The MCU is used for the center controller, achieving high accuracy frequency measurement by methods of multi-cycle synchronism and quantization time-delay.
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