当天体的辐射能量随频率的分布呈幂律谱时,幂指数小的谱称平谱。
定义 中文名称: 平谱 英文名称: flat spectrum 定义: 当天体的辐射能量随频率的分布呈幂律谱时,幂指数小的谱称平谱。在射电波段是指幂指数小于0.4 的谱。 应用学科: 天文学(一级学科);天体物理(二
基于124个网页-相关网页
平谱射电类星体 spectrum radio quasar ; flat spectrum radio quasar ; FSRQ ; flat-spectrum radio quasar
平谱源 [天物] flat-spectrum source
费米平谱射电类星体 FSRQ
平面色谱法 [分化] planar chromatography ; flat-bed chromatography ; Column chromatography
平板色谱法 planar chromatography ; planar
平面光栅摄谱机 plane grating spectrograph
平板色谱 planar chromatography ; slab chromatography
谱拉平 spectral flattening
平面设计食谱 Graphic Design Cookbook
目的:为掌握平洲社区居民慢性非传染性疾病的疾病谱及其危险因素,评价慢性非传染性疾病社区综合干预的效果。
Objective: to grasp Pingzhou community residents with chronic non-infectious diseases and risk factors of disease, evaluation of chronic non-infectious diseases community complex intervention.
文中应用响应谱的离散形式将模式谱的计算结果与北半球(1881—1980年)年平均温度距平序列的实际谱进行了统计检验,从而论证了随机模式模拟全球温度变化的适用性。
The correspondence between the computed spectra by the model and the observed ones of annual mean temperature anomalies in the Northern Hemisphere from 1881 to 1980 is statistically examined.
还指出仅当柱面或平面光栅时,才能形成二阶子午无离焦平场和弧矢无象散圆场谱面。
It is also shown that only when the gratings are cylinder or plane ones, the second order sagittal anastigmatic circular field and meridional non defocus flat field spectral images can be formed.
应用推荐