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spectral geometry相关的网络例句

查询词典 spectral geometry

与 spectral geometry 相关的网络例句 [注:此内容来源于网络,仅供参考]

In order to test and verify validity of analytical methods and codes, we solve the Poisson equations and the Helmholtz equations that have analytical solutions with complex geometry using spectral element methods.

作为验证分析方法的正确性和代码的有效性,本文使用谱元方法求解了有精确解的简单区域和复杂区域的 Poisson方程和 HellnholtZ方程。

The relation between the spectrographic aperture ratio and elliptical eccentricity, spectral angle is also analyzed according to the elliptical geometry, it will decrease when the x-ray wavelength increases.

根据椭圆的几何关系,研究了光谱相对孔径与椭圆的离心率和谱线探测角之间的关系,它随X射线波长增大而减小。

Providing also a self-contained presentation of classical isoperimetric inequalities for eigenvalues and 30 open problems, this book will be useful for pure and applied mathematicians, particularly those interested in partial differential equations, the calculus of variations, differential geometry, or spectral theory.

为eigenvalues和30个开放式问题也提供古典isoperimetric 不平等的拘谨的赠送,这本书将是对纯并且被使用数学家有用的,特别是对偏微分方程,变分法,不同几何学或者光谱的理论感兴趣的那些。

After introducing the conception of convex geometry and spectral linear model, the relationship between convex cone and hyperspcetral imagery was discussed.

在介绍凸面几何体概念和高光谱图像光谱线性模型的基础上,探讨了凸面几何体和高光谱图像的关系。

On this basis, it deeply analyzesed the spatial geometry structure of hyper spectral data lattice distribution, concluded that high\|dimensional space of remote sensing hyper spectral data belong to low\|dimensional geometry structure \|"hyperplane" shape, and anomaly point group which includes alteration information usually dissociates out the "hyperplane".

在此基础上,对高光谱数据点阵分布的空间几何结构进行了深入的研究分析,推断出遥感高光谱数据集合的高维空间属于低维几何结构"超平面"形态,而包含蚀变信息在内的异常点群通常会游离在"超平面"之外。

The classification knowledge includes spectral, texture, geometry, space and logic relation.

分类所用到的知识包括光谱、纹理、几何、空间、逻辑关系。

The results show that: although the spectral change of different landscape areas is complex, the low\|dimensional geometry structure which spectral data space belongs to, and the practicality of background \| anomaly sub\|space are the essential characteristics which they all possess.

研究结果表明:尽管不同自然景观区的遥感图像的光谱变化复杂,而它们的光谱数据空间属于低维几何结构,以及背景异常子空间的可分性是其具有共性的本质特征。

Spectral image data ; Fractal geometry ; Wavelet transform ; Mingle spectrum intepretation ; Object recognition

成像光谱数据;分形几何学;小波理论;混合光谱分解;地物识别

By fusing the IKONOS multi-band and pan image using several image fusion algorithms(IHS transform, PC transform, Gram-Schmidt transform and smoothing filter-based intensity modulation) and assessing the fusion image, indicates that qualitative comparison is too subjective, although many methods are provided for assessment when using quantitative methods, more bands and more methods should be used for their limitations, spectral curve comparison was the best method for appraising the result, spectral angle and geometry distance was introduced to appraise the spectral curve.

以IKONOS影像为数据源,对IHS、PC,Gram-Schmidt和基于亮度调节的平滑滤波四种融合算法进行融合处理,对其结果进行了评价。结果表明,定性比较主观性较强,定量比较方法虽多,但大都有一定的局限性,不同谱段的计算结果总有些差异。因此,定量评价时应该多选一些波段与评价方法才能获得比较客观的评价结果。光谱曲线的比较不失为一种比较好的方法,在对光谱曲线进行比较时本文引入了光谱角度和几何距离两种方法进行定量的比较。

The calculation takes into account the effects of grating period, noncollinear amplification geometry, crystal's length and pump intensity. The results show the grating period of PPLN and the noncollinear geometry has effects on the spectral bandwidth.

计算结果表明,参量带宽和增益带宽具有相似的特性,而且PPLN晶体的周期和非共线入射结构会对光参量放大的光谱带宽产生一定的影响,在同一波长处,通过调节晶体周期或非共线结构可以获得更大的带宽。

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