The algorithm used tetra-sectional quantile for outlier detection and correction, and finite impulse response (FIR) digital filter and window function method for data-smoothing.

• 利用有限脉冲响应(FIR)滤波器进行数字滤波，采用窗函数进行平滑滤波，很好地去除了信号中的小噪声；