基于51单片机的C语言代码，指数加权平均算法滤波函数，也是一个一阶低通滤波器。文件中有比较详细的注释。-Based on the the 51 microcontroller C language code, exponentially weighted average algorithm filtering function is also a first-order low-pass filter. Detailed notes in the file.

一阶软件滤波算法，能有效使用软件编程实现普通硬件的RC低通滤波功能。-An order of software filtering algorithm can effectively use the software programming common hardware RC low-pass filtering.

低通滤波算法，采用一阶低通滤波算法，可以广泛使用在电力信号滤波和模拟信号滤波等领域。-Low-pass filtering algorithm, using first-order low-pass filtering algorithm can be widely used in the power signal filtering and analog signal filtering and other fields.

一阶低通滤波算法，用于做传感器算法，非常实用(First-order low-pass filtering algorithm)