| 1. | Band spectrum constant
带状光谱常数 |
| 2. | Band spectrum analysis
带谱分析 |
| 3. | Test results are analyzed in one third octave band spectrums mainly regarding vibration - sensitive instruments and emphasizing on low frequency band
测试结果的分析主要是针对振动敏感仪器的，在频域内采用1 / 3倍频程频谱，重点考虑低频段的地面响应。 |
| 4. | 2 . from the si and er core ievel spectra and the si valence band spectrum a rather detailed description of the er / si ( 00l ) interface formation is presented . the following results can be extracted
2铒硅( 001 )界面、表面及铒硅化物最初形成过程研究首先利用同步辐射光电子能谱方法研究了室温下铒在硅( 001 )表面的淀积和退火过程。 |
| 5. | The lower - band spectrum caused by unbalancing rotor and eccentric error of primary axes is analysised firstly . the vibration of basic factors and its features caused by the basic member are discussed , such as turbo - propellers , planetary - reducer and bearings
首先分析系统中由于主转子动静不平衡、主轴不对中而激发低频谐波成分的现象，而后讨论螺旋桨、行星减速器及轴承的振动故障机理以及整机振动综合分析方法。 |
| 6. | In order to realize the measurement of several parameters and broad - band spectrum ( 250nm ~ 3000nm ) on the same standard equipment , we make use of two main light paths . one is to measure spectral radiance , the other is to measure irradiance through integral sphere , translational stage and mirror changing the light path
本标准装置涉及参数多，包括光谱辐照度、光谱辐亮度、光源色温；光谱范围宽，覆盖了紫外、可见、红外；在同一套设备上实现多参数、宽光谱以及能量强度变化为7个数量级的精确测量。 |
