1)periodicities of optical spectral index复合谱指数光变周期
2)broad band spectral index复合谱指数
1.Using the broad band spectral index of 66 gamma-ray-loud blazars in a high state,we studied the possible correlations between different broad band spectral index.收集了66个有γ射线噪的Blazar在高态下的多波段流量数据,研究了Blazar复合谱指数之间的相关性。
3)Value of photoperiodic effect index (PE)光周期效应指数
4)periodic index周期指数
5)Variability Period光变周期
1.The Variability Periodicity Analysis of 3c273;类星体3c273的光变周期分析
2.A middle time-scale variability period,about 162.6天的中等时标的光变周期。
英文短句/例句
1.A periodicity analysis of the radio light curve of BL Lac PKS0735+178;BL Lac天体PKS 0735+178的光变周期分析
2.Computing the Period of Light Variability in Seyfert Galaxy 3c120 Using the Jurkevich MethodJurkevich方法在3C120天体光变周期分析中的应用
3.A Study of the Light Curve Periodic Behavior of Quasar PKS 1510-089 in X Band类星体PKS1510-089的X波段光变周期特性研究
4.Computing the Period of Light Variability in Blazar Objects 3C 279 and OJ 287 by Auto-regressive Spectral Analysis Methods基于自回归方法的Blazar天体3C 279和OJ 287光变周期研究
5.Research for Rapid Variability, Periodic Variability and Evolution of Blazars;Blazars的快速光变、周期光变与演化研究
6.Diffraction and imaging characteristic of curved grating with gradually changing periods渐变周期弯曲光栅的衍射和成像特性
7.Visible Light Absorption Spectrum and Biochemical Change of Porphyridium cruentum in the Growth Circle紫球藻生长周期可见光吸收光谱与生化变化
8.Simultaneous Measurement of Temperature and Strain by Two LPFGs;双长周期光纤光栅对温度与应变的同时测量
9.A Pressure Sensor Based on Long-period Fiber Grating with Rotary Refractive Index Change基于旋转折变型长周期光纤光栅的压力传感器
10.Fabrication of Large-Area Little-Period(2+1)-Dimensional Photonic Lattices of Photorefractive大面积小周期(2+1)维光折变光子晶格的制作
11.Strain and Temperature Sensitivities of Long Period Fiber Grating长周期光纤光栅应变和温度传感灵敏度研究
12.Simultaneous Measurement of Strain and Temperature Using a Long-Period Fiber Grating with Rotary Refractive Index Modulation旋转折变型长周期光纤光栅实现应变和温度的同时测量
13.Theory and experiment of refractive index change of long-period fiber grating induced by CO_2 laser pulsesCO_2激光写入长周期光纤光栅的折变理论及实验研究
14.Theory and fabrication of long period fiber grating with rotary refractive index modulation induced by CO_2 laser pulsesCO_2激光写入旋转折变型长周期光纤光栅的制作及理论分析
15.Study on Periodical Error in Fiber Fabry-Perot Strain Sensing System;光纤珐珀应变测量系统周期性误差研究
16.On Inhomogeneous Periodical Interval of Quasi-Phase-Matching Optical Parametrical Oscillator;准相位匹配光参变振荡非均匀周期间隔
17.A Periodicity Analysis of the Radio Light Curve of BL Lac AO 0235+164;BL Lac天体AO 0235+164射电光变的周期性分析
18.A Humidity Sensor Based on Ultra-Long-Period Fiber Gratings with Asymmetric Refractive Index Modulation基于非对称折变型超长周期光纤光栅的湿度传感器
相关短句/例句
broad band spectral index复合谱指数
1.Using the broad band spectral index of 66 gamma-ray-loud blazars in a high state,we studied the possible correlations between different broad band spectral index.收集了66个有γ射线噪的Blazar在高态下的多波段流量数据,研究了Blazar复合谱指数之间的相关性。
3)Value of photoperiodic effect index (PE)光周期效应指数
4)periodic index周期指数
5)Variability Period光变周期
1.The Variability Periodicity Analysis of 3c273;类星体3c273的光变周期分析
2.A middle time-scale variability period,about 162.6天的中等时标的光变周期。
6)complex-period structure复合周期
延伸阅读
迁移效率指数、偏好指数和差别指数迁移效率指数、偏好指数和差别指数 迁移效率指数、偏好指数和差别指数迁移效率指数是用于测定两地间人口迁移效率的指标。它是净迁移对总迁移之比。计算公式为:EIM一摇寿纂拼又‘。。上式中，}人么夕一材方}为i、]两地净迁移人数;从少+材户为i、]两地总迁移人数;El入了为迁移效率指数。 EIM的取值范围为。至100，如某一地区的值越大，反映迁移的的影响也越大。如果计算i地区与其他一切地区之间的人口迁移效率指数EIM厂，则: }艺材。一芝Mj、}EIM汀艺。+乏M，(j笋i) 迁移偏好指数是从一个地区向另一地区的实际迁移人数与期望迁移人数之比。计算公式为:____M.___材尸2行一:一二子一一不石一二，么M“ 了厂‘.厂‘、八 }二不十二六二1 、厂厂7上式中，M“为从i地迁到j地的实际迁移量;艺材。为总的人口迁移量;尸为总人口;M尸I，j为迁移偏好指数。通过计算迁移偏好指数，可以反映各地区的相对引力。 迁移差别指数是反映具有某种特征的迁移人口与非迁移人口区别的指数。例如，专业技术人员的人数所占比重，各种文化程度人数所占比重等，以便研究人才流失和其他间题。计算公式为:M‘从IMD、一翌不丝xl。。 .义V‘ N上式中，M为迁移人数;M，为具有i特征的迁移人数;N为非迁移人数;N‘为具有i特征的非迁移人数;了八了D、为迁移差别指数。
