1) expanded basis function
扩展基函数
1.
1a,a: crack length),two methods of crack tip node encryption and expanded basis function could be adopted.
1a,a为裂纹长度)应力场时可采用裂纹尖端节点加密和扩展基函数两种方法。
2) spreading function
扩展函数
1.
Rebollo Neira discussed the reconstruction problem of wideband spreading function under the frame condition.
Rebollo-Neira讨论了框架条件下的宽带扩展函数重构问题。
3) point-spread function
点扩展函数
1.
A restoration algorithm based on the mathematical models of point-spread function was proposed and a Wiener filter algorithm avoiding the.
并通过建立相应的数学模型推导了系统的点扩展函数 。
2.
Through analyzing the degraded image model and related point-spread functions, they show that Parzen-window function has some characteristics which are similar to point-spread function.
通过对降质图像离散退化模型与Parzen窗估计法基本公式的对比和对几种退化模型的点扩展函数特点的分析 ,揭示了点扩展函数与Parzen窗函数之间的对应关系 。
3.
There exist three sampling methods according to the sampling objects: the transfer function sampling,the point-spread function sampling and the weighting function sampling.
理论分析表明,按照抽样对象的不同,存在三种适用范围不同的算法:传递函数抽样法、点扩展函数抽样法和加权函数抽样法。
4) Point spread function
点扩展函数
1.
Research of X-ray imaging system point spread function in theory and experiment;
X射线成像系统点扩展函数理论模型及其实验验证
2.
Point spread function of neutron pinhole imaging in high gamma ray background;
强γ背景下中子针孔成像的点扩展函数
3.
Research on estimation algorithms for Gaussian point spread function parameter in image restoration;
图像复原中高斯点扩展函数参数估计算法研究
6) line spread function
线扩展函数
1.
After analyzed the effect and factors of degradation of radiography, the paper introduced the obtaining ways of point spread function and line spread function.
本文在分析了射线图像退化的因素和影响后 ,重点介绍了射线成像系统点扩展函数 (PSF)和线扩展函数 (LSF)的获取方法 ,并通过高能X射线图像恢复实例 ,说明了射线图像恢复的有效性 。
补充资料：点扩展函数
见光学传递函数。
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