吸收光谱线二次谐波的频率分解和SG滤波复合降噪
涂兴华
, 栾小晨, 王战
Denoising of Second Harmonic Signals of the Absorption Spectrum Using the Frequency Decomposition Combined With the Savitzky⁃Golay Filtering
TU Xing-hua
, LUAN Xiao-chen, WANG Zhan
CO
2
二次谐波仿真光谱信号 (a): 二次谐波理论谱线; (b): 含噪二次谐波谱线