This paper uses PLL technology to track signal frequency and control synchronous sampling, samples the converted voltage and current synchronously by use of ADS8364.
应用硬件锁相环技术实现对信号的频率跟踪和同步采样控制。 A/D采样电路应用ADS8364对电压电流信号进行同时采样。
参考来源 - 基于DSP的电能在线计量与分析·2,447,543篇论文数据，部分数据来源于NoteExpress
单台采样速度可控制在2秒左右，多台同时采样误差较低；
The sampling speed of one unit can be controlled in 2 seconds , and many use together can reduce error.
当故障持续时间大于三路时钟相位差时使两路时钟同时采样到故障值，在反馈型电路会导致长时间的故障状态。
When fault duration is longer than phase difference will result in fault sampling by two registers and make feedback circuit in fault state for a long time.
通过人工模拟降雨溅蚀实验，测定土壤溅蚀速率，同时采样制作土壤切片，观察分析结皮的发育特征以及与土壤溅蚀的关系。
Through rainfall simulating in laboratory, and observation on soil sample slices, this study intended to disclose crust development, and reveal the relationship between crust and splash erosion.
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