首先，总结和分析了各种交流采样算法的基本原理、适用范围、优点与不足。
First this paper sun-up and analyze some kinds of arithmetic, give the strongpoint and shortcoming about the arithmetic.
以工业安全生产数字化平台为研究背景，分析了几种交流采样算法，并根据实时性和精度要求选用适宜的算法；
Several algorithms for AC sampling are analyzed and the appropriate one is used in the digitization platform for industrial production.
数字式工频交流电参数多用表以i2c总线数字式电位器ad5242为核心，其采样算法有一点、两点及多点。
I2C bus digital potentiometer AD5242 was used as core of digital alternating current parameter multi-function meter, it has a point, two point and multiple point sampling arithmetic.
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