查询词典 spectral theorem

Compared with the existing methods based on spectral line matching, the proposed method has a lower dependence on the quality of spectral line extraction.

实验结果表明：此方法的鲁棒性较好，性能优于基于谱线匹配的方法。

Methods: Used the method of ultraviolet spectral line group, the UV spectral of the solutions extracted by four different kinds of solvents.

应用紫外谱线组法，测试9种老鹳草在4种不同溶剂中的紫外吸收光谱。

A combined fairness measure and system spectral efficiency measure is the fairly shared spectral efficiency .

恰当的方法和系统频谱效率的测量的结合可以得到更确切的频谱效率。

The spectral responsivity is one of the important parameters of detector. With the development of ultraviolet detect technique, accurate measure for the spectral responsivity of ultraviolet detector becomes more and more important.

光谱响应度是探测器的重要技术参数之一，随着紫外探测技术的发展，精确测量紫外探测器的光谱响应度变得越来越重要。

Spectral Measures of Risk is the new risk measurement in recent years. Because of its eminent properties, Spectral measure of risk is given attentions by more and more researchers in particular, and becomes a lstest research content in financial risk management.

风险的谱度量是近年来提出的新的风险度量方法，它具有许多优良性质，引起了众多研究者的注意，成为金融风险管理中研究的前沿课题。

At the same time, the spectral risk measure is one kind of coherent risk measures. The spectral risk measure combines the distribution of profit and loss with the subjective risk aversion from the investors.

谱风险测度将资产组合损益分布的具体形状和投资者的主观风险厌恶相结合，为合理有效地度量金融风险提供了一种可能的选择。

Brightness of aware sort is the classification norm of distance classification. Distance classification compares brightness between aware sort and unknown pixels. Angle of spectral line is the classification norm of degree classification. Degree classification compares angle of spectral line between aware sort and unknown pixels.

距离分类器是以已知地物类别的亮度值作为分类基准，通过比较未知类别像元与已知类别像元亮度值间的距离进行分类；角度分类器是以光谱谱线角为分类基准，通过比较n维波段空间中未知类别像元与已知类别像元光谱角度进行分类。

Using remote sensing software Envi to pretreatment and transform spectral data in order to highlight the nuances of spectral data to the comparative analysis.

使用Envi遥感软件对光谱数据进行预处理及各种变换以突出光谱数据的细微差别，这有利于光谱数据的对比分析。

In order to test spectral element method and Newmark time integral, the codes of program and the feasibility of spectral element method for aeroacoustics, One question which has analytical solution and two typical questions of computational aerocaustics are simulated numerically by the program.

为了验证谱元方程和Newmark时间积分方法的正确性、自己所编程序代码的有效性以及谱元方法求解气动声学问题的可行性，本文使用程序分别求解了具有解析解的波动方程和计算气动声学问题中的两个典型问题。

Methods Based on the modern spectral estimation method, a modified Levison′s algorithm was proposed to simulate the radar clutters of typical correlated power spectral characteristics and estimate the order of corresponding AR model.

方法用基于现代谱估计方法，提出了一种修正的Levison算法，并对典型相关功率谱特性的高斯杂波及其AR模型的阶数进行了计算机仿真和估算。

Finally it offers the analysis of the fault-tolerance system as well as its test verification.

这样，运行于空间环境中的系统的设计目标就是在保证系统实时性

However, it is still difficult to find out the real reason of the increase of the keratinized gingiva during the orthodontic extrusion whether it is due to the proliferation of the gingival tissue or to its elastic nature, that is because the proliferation of the fibroblasts as well as the connective tissue changes in volume and the intra-fibers spaces were all immeasurable in most of the studies.

然而，仍然难以找到真正的原因增加的角化牙龈在正畸挤压它是否是由于扩散的牙龈组织或其弹性性质，这是因为增殖的成纤维细胞以及作为结缔组织的变化量和内部纤维空格都是不可估量的，大多数的研究。