基于光谱特征约束非负矩阵分解的轮胎橡胶太赫兹混叠光谱分离
殷贤华1,2, 刘昱1,2, 奉慕霖1,2, 李安3, 莫玮1,*

Separation of Tire Rubber Overlapping Terahertz Spectra Using Non-Negative Matrix Factorization of Spectral Feature Constraints
YIN Xian-hua1,2, LIU Yu1,2, FENG Mu-lin1,2, LI An3, MO Wei1,*
透射式THz-TDS原理图 Laser: 激光源; M1—M14: 反射镜; A1—A4: 光阑; HWP: 半波片; CBS: 分束镜; Chopper: 斩波器; L1—L3: 凸透镜; PM1—PM4: 离轴抛面镜射镜; QWP: 1/4波片; WP: 渥拉斯顿棱镜; Detector: 检测器