1) wavelet transform modeling
小波变换建模
1.
The network traffic flow is to be multi-scale discomposed as time series by the wavelet transform modeling is first introduced,and then different time series analysis models are built to analyze data of different scale,so the multi-scale prediction model is used in network traffic flow prediction.
通过对网络流量数据作为时间序列进行小波变换建模,应用于未来时间的网络流量数据预测。
2) wavelet transform module
小波变换模
1.
Due to the singular points of degenerate diffusion equation can easily be destroyed when image is smoothed, the representation of maximum value of wavelet transform module M(s,x,y) is developed.
针对退化扩散方程在对图像平滑时,奇异点容易被破坏,引入了小波变换模极大值表示,提出了由小波变换模M(s,x,y)决定扩散速度的图像平滑方法。
3) wavelet transform modulus
小波变换模数
1.
The largest Lyapunov exponent of a discrete dynamical system can be obtained by calculating the largest Lyapunov exponent of the small-scale wavelet transform modulus of the discrete dynamical system.
通过计算小尺度小波变换模数的最大Lyapunov指数,得到离散动力系统的最大Lyapunov指数。
4) wavelet transform modulus maxima
小波变换模极大
1.
<Abstrcat> To deal with time-varying, nonlinear and low frequency characteristics of pulse signal, a method based on wavelet transform modulus maxima is presented.
针对脉象信号的时变、非线性和低频特性,提出了应用小波变换模极大对脉象信号进行研究的方法。
5) wavelet transform modulus maxima
小波变换极大模
1.
Hiding digital watermarks using wavelet transform modulus maxima;
基于小波变换极大模算法的数字水印技术
6) wavelet transform model
小波变换模型
1.
The whole sensor network is mapped into a hierarchical cluster model, and different wavelet transform models are used to do data compression in inner and super clusters respectively, according to the relative regularity of sensor nodes deployed in the inner clusters, and the relative irregularity of sensor nodes deployed in super cluster.
将传感器网络映射成一个层次簇,基于低级簇内节点部署的相对规则性和超级簇内节点部署的相对不规则性,分别采用不同的小波变换模型来进行数据压缩。
补充资料:Radon变换和逆Radon变换
Radon变换和逆Radon变换
X线物理学术语。CT重建图像成像的主要理论依据之一。1917年澳大利亚数学家Radon首先论证了通过物体某一平面的投影重建物体该平面两维空间分布的公式。他的公式要求获得沿该平面所有可能的直线的全部投影(无限集合)。所获得的投影集称为Radon变换。由Radon变换进行重建图像的操作则称为逆Radon变换。Radon变换和逆Radon变换对CT成像的意义在于,它从数学原理上证实了通过物体某一断层层面“沿直线衰减分布的投影”重建该层面单位体积,即体素的线性衰减系数两维空间分布的可能性。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条