spectrum n. (pl. -tra ) 1.【物理学】谱,光谱;波谱;能谱,质谱。 2.【无线电】射频频谱;无线电(信号)频谱。 3.【心理学】(眼睛的)余像;残像。 4.〔转义〕范围,幅度;(连续的)系列。 an absorption spectrum 吸收(光)谱。 a bright line spectrum 线状光谱。 an optical spectrum 光谱。 a solar spectrum 太阳光谱。 a wide spectrum of opinion 意见的不同幅度甚大。
Abstract : a principle of linear ccd prism spectrometer system used to measure colors is presented . the spectrum sensitivity of the system is measured and its test and verify is finished in experiment . the reasons for error of the system is analyzed and improved method is obtained 文摘:介绍了用于颜色测量的线阵ccd棱镜光谱仪系统的工作原理,测出了系统的光谱灵敏度并作了实验验证,对系统的误差原因及改进措施进行了分析。