查询词典 spectral characteristic

On the studies of three different assist characteristic of EPS, the method of founding curve type assist characteristic is discussed and the curve of assist characteristic is trained offline by neural network. And with the toolbox of MATLAB, the perfect expression of assist characteristic can be obtained.

本文对三种不同形式的EPS助力特性进行了理论上的分析，在离散助力特性研究的基础上，探讨了初步确立曲线型助力特性的方法，并提出以神经网络对助力特性曲线进行离线优化训练，通过MATLAB工具箱拟合得到了比较理想的电动助力系统的助力特性表达式。

The polarization and magnetic rotation in highly nonlinear photonic crystal fibers were investigated by frequency multiplication method based on the principle of magneto-optical modulation, joining with Lissajous figure method, and by investigating temperature characteristic and spectral characteristic.

运用基于磁光调制原理的倍频法，结合利萨如图形方法，并通过温度特性和光谱特性的考查，对高非线性光子晶体光纤的偏振效应、磁旋光效应进行了实验研究。

Extract information based on the instantaneous features : In the center is one of the instantaneous rate of the power spectral density of the maximum, is a center to the absolute value of the instantaneous rate of the standard deviation, Non-zero weak signal instantaneous phase of the nonlinear component absolute standard deviation, Non-zero weak signal instantaneous phase of the nonlinear component standard deviation, In the center is one of the non-weak signal of the absolute value of the instantaneous frequency standard deviation, a signal to one of the instantaneous frequency of the power spectral density of the maximum, According to 16QAM and QPSK signals XI axis projection in the different performance parameters raised.

提取信号七个基于瞬时信息的特征：零中心归一化瞬时幅度功率谱密度的最大值，零中心归一化瞬时幅度绝对值的标准偏差，零中心非弱信号段瞬时相位非线性分量绝对值标准偏差，零中心非弱信号段瞬时相位非线性分量标准偏差，零中心归一化的非弱信号段瞬时频率绝对值的标准偏差，一个信号段的归一化瞬时频率功率谱密度的最大值，根据信号 QPSK 和16QAM在 XI 轴投影的不同表现，提出特征参数。

The effects of electron energy on spectral reflectanc e and solar absorptance are analyzed.The results are discussed relative to the change in spectral reflectance in the near infrared wavelength region.

分析了电子能量对光谱反射系数和太阳光谱吸收系数的影响，并对红外区光谱反射系数的变化结果进行了讨论。

The program is used for a variety of mixtures of substances absorption spectral data analysis, curve fitting, and by their spectral location of each peak.

详细说明：该程序用来对多种物质混合物吸收光谱数据进行分析，拟合出光谱曲线并且得到其各个峰值位置所在。

Spectrum control technology and its application researchBasic theory of smoothing by spectral dispersion in high-power laser system was studied. Periodical frequency modulation was obtained by chirped pulse stacking, and novel special gratings were proposed here to obtain angular spectral dispersion and temporal smoothing of focal spot.

并在国际上首次成功地应用于激光聚变高功率激光系统中。3、激光脉冲光谱控制技术及应用研究研究了高功率激光光谱色散平滑的基本理论，提出利用堆积啁啾脉冲的周期性光谱调制特性和新颖特殊光栅实现光谱角色散和激光束远场焦斑的时间平滑。

This result shows the sample has the spectral response in terahertz spectral range and the fact demonstrates the terahertz spectra of asparagine could be used to study the molecular structure and vibration of sample.

用太赫兹时域光谱技术研究了室温条件下的多晶天冬酰胺样品的光谱特征，得到了相应的吸收谱和折射率。

This paper to introduce a new experimental method of dispersion phenomena, in this experimental method, it can be directly observed by different substances uneven medium, the dispersion arising from the various phenomena of the material in different light source through uneven medium, the emergence of two different spectral dispersion surface, spectral noodles Bright (Bright-Line Spectrum), and dark lines is how it is formed and a series of important experimental phenomena.

本文要介绍一种新的色散现象出现实验方法，在这种实验方法上，可直接观察到不同物质通过不均介质后，所出现的各种不同色散现象，物质在不同光源照射下通过不均介质后，出现的两种不同色散谱面，谱面中明线和暗线是怎样产生等一系列重要实验现象。

Separation of the sub-quality part of the ore and the barren rock is exercised by the fractionated screening of each size of the ore by application of the lump size X-ray spectral separation and the small-portion X-ray spectral classification with the following purifying operations of the tail products of the main processes for each of the fraction, which are similar to the main processes.

在应用大规模的X射线光谱分离和小部分X射线光谱分类分级筛选不同大小的矿石的基础上，对次级矿石和贫矿石进行净化处理。然后，对各部分主要过程的尾矿进行净化处理，各个小部分的处理方式都类似于主要部分的处理方式。

Two technologies, spectral channelization and spectral analysis with zero crossing that could be both applied to multi-signals, are also introduced.

前面提到的插值算法也能用于多信号测频，但算法的基础是先进行谱峰的搜索，如果多信号同时到达，言普峰搜索存在的问题是有可能出现信号的错峰不能被正确判别的问题。

Article 144 The Government of the Hong Kong Special Administrative Region shall maintain the policy previously practised in Hong Kong in respect of subventions for non-governmental organizations in fields such as education, medicine and health, culture, art, recreation, sports, social welfare and social

第一百四十四条香港特别行政区政府保持原在香港实行的对教育、医疗卫生、文化、艺术、康乐、体育、社会福利、社会工作等方面的民间团体机构的资助政策。原在香港各资助机构任职的人员均可根据原有制度继续受聘。

Small wonder, then, that the Chinese spend more in the shop than any other group of foreign visitors do .

这样的小惊喜，使中国顾客比任何国家的人消费得更多。