【摘 要】
：
为消除测量光谱中狭缝宽度的影响,提出了一种基于小波的反卷积算法以获得问题的规整化解,该方法使用一维多尺度边缘重构技术.空域选择滤波算法被用来区分由信号产生的极值与由噪声产生的极值.实验中,对宽狭缝时测得的Na黄光2条特征谱线进行反卷积处理,以相应狭缝宽度时测得的He-Ne光谱作为狭缝函数,并与较窄狭缝时测得的Na光谱作了比较.反卷积结果显示本方法可以极大地提高测量光谱的分辨率.
【出 处】
：
Journal of Southeast University(English Edition)
论文部分内容阅读
为消除测量光谱中狭缝宽度的影响,提出了一种基于小波的反卷积算法以获得问题的规整化解,该方法使用一维多尺度边缘重构技术.空域选择滤波算法被用来区分由信号产生的极值与由噪声产生的极值.实验中,对宽狭缝时测得的Na黄光2条特征谱线进行反卷积处理,以相应狭缝宽度时测得的He-Ne光谱作为狭缝函数,并与较窄狭缝时测得的Na光谱作了比较.反卷积结果显示本方法可以极大地提高测量光谱的分辨率.
其他文献
This paper advances a new simplified formula for estimating variance components ,sums up the basic law to calculate the weights of observed values and a circulation method using the increaments of wei
This paper calculates the parameters of image position and orientation,proposes a mathematical model and adopts a new method with three steps of transformations based on parallel ray projection.Every
This paper investigates the mathematic features of non-linear models and discusses the processing way of non-linear factors which contributes to the non-linearity of a non-linear model. On the basis o
Rough set is a new approach to uncertainties in spatial analysis.In this paper,rough set symbols are simplified and standardized in terms of rough interpretation and specialized indication.Rough spati
On the basis of stereo image analysis, the change detection of man-made objects in urban areas is introduced. Information of the height of man-made objects can be applied to reinforce
This paper puts forward a new conception:model warehouse,analyzes the reason why model warehouse appears and introduces the characteristics and architecture of model warehouse.Last,this paper points
The theoretical framework of visual simulation in virtual reality is discussed. The new concept of visual image space is supposed. On the basis of visual image space, in vis
Automatic generalization of geographic information is the core of multi_scale representation of spatial data,but the scale_dependent generalization methods are far from abundant because of its extreme
This paper presents a component object model (COM) based framework for managing, analyzing and visualizing massive multi-scale digital elevation models (DEMs). The framework consists of a data managem
建设数字城市需要建立准确而又详细的城市三维数据库。对测得图像数据进行分割是建立三维模型很重要的一步。本文针对城市中深度图像和灰度图像的特点,先提出了一种利用灰度信息的深度图像线性加权插值方法,利用灰度图像信息插值深度数据生成深度图像,进而提出了一种基于深度边缘图像与灰度边缘图像的融合的边缘提取方法。实验证明,本算法得到的结果明显好于用单传感器数据进行边缘提取的结果。