spectral density是什么意思

网络释义

用法例句

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。

Research on spectrum line refractive index of triangular prism with spectrometer measuring;

分光计测量三棱镜谱线折射率的研究

The amplitude spectrum line and the amplitude spectrum function are proposed for the airborne particle scattering light signal,and their properties are studied in probability space.

针对粒度仪标定的准确度 ,在概率空间基础上 ,提出了尘埃粒子散射光信号幅度概率谱线和散射光信号幅度概率谱函数的概念 ,并对谱线在概率空间下的性质进行了研究。

Based on the perturbation theory,the influences of the Fermi resonance interaction between the two and three vibronic levels on the level energy,wavefunction,and the spectral line intensity are investigated in detail respectively.

本文考虑了分子振动非谐性所引起的振动能级之间的费米共振相互作用,利用定态微扰论,从理论上系统地分析了两态和三态之间的费米共振相互作用对能级能量、态函数和谱线强度的影响,在三阶非谐性近似下,得到了计及费米共振相互作用在内的能级能量、态函数和谱线强度的数学解析表达式。