半峰全宽 full width at half-maximum
- 运用激光拉曼光谱的分析方法,测量了它们的激光拉曼谱在伸缩振动拉曼峰处的半峰全宽,同时也测量了样品在伸缩振动拉曼峰处的退偏振度。
By laser Raman spectrum method, the samples' full width at half maximum (FWHM) and depolarization ratio of laser Raman spectrum at stretching vibration were measured. - 运用激光喇曼光谱的分析方法,测量了它们的激光喇曼谱在伸缩振动喇曼峰处的半峰全宽,同时也测量了样品在伸缩振动喇曼峰处的退偏振度。
By using laser Raman spectrum method, the samples full width at half maximum (FWHM) and depolarization ratio of laser Raman spectrum at stretching vibration were measured. - 对信号响应的波形特征进行分析和讨论,实验得出LIV信号半峰全宽与数据采集卡临界采样率成反比例关系。
The results show that there are inverse proportional relationship between full wavelength at half maximum(FWHM)of the LIV signal and critical sample rate of data acquisition card.