The main spectrums、singular spectrums and cospectrums of matrices over quaternionic sfield are studied.
研究四元数矩阵的主谱、协谱和奇异谱的性质。
Orientation of optic spectrum line is affected on silt of monochromaticity and size of CCD photosensitive unit.
CCD作为光谱分析和测色仪器的光谱接收器件 ,光谱谱线定位受单色仪狭缝和CCD光敏元尺寸影响。
The research results of this work can be used to determine the corresponding relation between spectrum and adjustment knob.
在实验的基础上对看谱镜的线色散率进行了研究,得出了棱镜看谱镜的线色散率经验公式,本研究结果可用于确定看谱镜视场中谱线位置与调节装置间的对应关系,还可用于精确测定谱线的波长或精确测定谱线的位置。
In order to obtain spectrum intensity distribution inside a circular luminant without damage,a measuring method depending on Abel transform was developed.
为了在无损状态下获得圆截面发光体内部谱线强度空间相对分布,提出了利用Abel变换,将被检对象外部的逐层扫描数据通过3次样条函数方法数值求解,从而得到被检对象内部参数分布情况的实验方法。
Spectral properties,the corresponding mechanisms of asymmetry,and reproduction of observational spectrum by using semi-empirical atmosphere model are dicussed in detail.
综述了近年来太阳色球耀斑爆发时Hα谱线不对称性的研究进展,着重讨论了光谱特征和与其对应的不对称性产生机制,以及利用大气半经验模型再生观测谱线轮廓不对称性等方面,并提出尚待解决的主要问题和进一步的研究方向。
The Balmer Formula is concluded from the relations among four mixed and disorderly digits calculated from the ratios of wave lengths of four spectral lines of hydrogen to their ultimate wave lengths.
由氢的 4条谱线的波长与其极限波长之比得出四个杂乱的数 ,从其关系中得出巴尔末公式。
Application of Calibration Method to the Optic Spectrum Line of Linear InGaAs
线阵InGaAs光谱谱线定标方法的应用
spectral density
谱线[频谱，光谱]密度
a reversed line
【物】自蚀(光线)谱
x ray fluorescence spectroscopy
x 射线荧光光谱分析
fluorescent X - ray spectroscopy
荧光x-射线光谱分析
multi-channel X-ray fluorescence spectrometer
多道Ｘ射线荧光光谱仪
X-ray fluorescent emission spectrometer
X射线荧光发射光谱仪
uv photoemission spectroscopy
紫外线光电发射光谱学
spectral response curve of photocathode
光阴极的光谱响应曲线
spectro-photoelectrical sensitivity curve
光谱光电灵敏度曲线
wave resolution of X-ray spectrum
Ｘ射线光谱波长分辨率
nondiffraction X-ray spectrometer
非衍射x射线光谱仪
four crystal X-ray spectrometer
四晶体x射线光谱仪
neutron-capture gamma-ray spectroscopy
中子俘获γ射线光谱学
line-spectrum molecular absorption spectrometer
线型分子吸收光谱仪
X-ray absorption spectrometer
X射线吸收式光谱仪
cathode-ray spectroradiometer
阴极射线光谱辐射计
x ray spectrometry
x 射线光谱分析法