The spatial period of grating image in Abbe-porter experiment is diseussed，inwhich the input is a grating-like object.
本文从空间频率滤波的傅里叶分析出发，讨论了阿贝－波特实验中的物为一维黑白光栅时，若在傅氏面上滤去±１级频谱，则输出像的空间周期与物光栅的空间周期相同，并进行了实验验证。
The space periodic solution and chaos of a class of infectious disease model are discussed in this paper.
本文讨论一类传染病模型的空间周期解及混沌问题。
The Effection of the Space Periodicity in Nano Film upon the Optical Characteristics of Nano Film;
纳米薄膜的空间周期性对其光学性质的影响
Uniqueness of space periodic solution of a kind of nonlinear differential equation;
一类非线性微分方程空间周期解的存在唯一性
"In the second (e.g., gasoline-reciprocating-piston engines), discrete quantities of fuel and air are periodically ignited."
后者(例如汽油往复活塞发动机)不连续的燃料和空间周期性点燃。
FDTD Method Applied to Several Half-space Problems and Periodic Problems;
FDTD在半空间及周期结构问题中的应用
Periodic Solutions for Semilinear Evolution Equation in Ordered Banach Space;
有序Banach空间半线性发展方程的周期解
Periodic Solutions for the Second Order Ordinary Differential Equation in Ordered Banach Space;
有序Banach空间二阶常微分方程的周期解
The Weak Solutions of the Periodic Boundary Value Problem in a Banach Space;
Banach空间中周期边值问题的弱解
I Periodic Boundary Value Problem for Integrodifferential Equations in Banach Space;
Banach空间中积分微分方程周期边值问题
Solutions for Second Order Periodic Boundary Value Problem in Banach Spaces
Banach空间二阶周期边值问题解的存在性
Analysis of Single-Variable State Space of China's Power Demand Cycle
我国电力周期的单变量状态空间分析
Almost Periodicity and Chaos in Banach Space
Banach空间上的几乎周期性与混沌性
Monotone Iterative Technique of Periodic Solutions for Impulsive Evolution Equations in Banach Space;
Banach空间脉冲发展方程周期解的单调迭代方法
Solutions for Differential Equations Periodic Boundary Value Problem in Banach Spaces;
Banach空间微分方程周期边值问题解的存在性
Research on Full Lifecycle of Information Grid Resource Model;
信息网格资源空间模型的全生命周期研究
On Decision Model of Warehousing Space under the Condition of Periodicity Inventory;
周期性库存条件下仓储空间的决策模型研究
Approximation Property of Space with Periodic and Orthonormal Quasi-wavelet Bases;
具有周期正交拟小波基空间的逼近性质
The Method of Wavenumber Space Analysis for Acoustic Natures of Periodically Stiffened Plate
周期加筋板声学性质的波数空间分析方法
Periodicity Determinant and Extraction for Space Target Using Intensity Information
基于亮度序列的空间目标周期性判证与提取