It is impossible to avoid noise at high temperature,so different mathematic methods,such as Savitzky-Golay method,FFT and wavelet methods have been adopted for denoising.

• 由于高温噪声的不可避免,采用了移动平均方法,傅里叶变换滤波和小波分析的方法对其进行了数据降噪处理。