木材种类的近红外光谱和模式识别
郝勇1, 商庆园1, 饶敏2, 胡远2

Identification of Wood Species Based on Near Infrared Spectroscopy and Pattern Recognition Method
HAO Yong1, SHANG Qing-yuan1, RAO Min2, HU Yuan2
58种木材的前三主成分分布图(a)及局部放大图(b)