Analysis of The Spatial Coupling of Natural Resource And Economy in Small Upland Drainage Area ——Taking Small Upland Drainage Area of Anji Country of Chekiang Province as Object The spatial coupling of natural resource and economy was studied in small upland drainage area of Anji country.
围绕自然资源与经济发展相互关系这一主题,选取浙江省安吉县小流域为研究区域,探讨了山区小流域自然资源与经济发展之间的空间耦合关系。
Study of space coupling technology of fiber bundle coupling LD output beams;
光纤束耦合LD输出光束的空间耦合技术研究
For study the optical field distribution of multi-mode fiber coupling LD output beam through space coupling optical system,the optical field distribution of output end of multi-mode fiber are analyzed,the transmitted properties of multimode beams passing through optical system are discussed based optical ABCD matrix,and the distribution parameter of coupled beam are measured experimentally.
为了研究多模光纤耦合LD输出光束通过空间耦合后的光场分布,分析了多模光纤输出端面的光场分布,用光学ABCD矩阵讨论了多模光束通过光学系统的变换特性。
This research aims at the performance of this method in coupled rooms,and proposes an improved model based on acoustical radiosity,to predict the sound decays in a system of two coupled rooms.
文中针对耦合空间中的声能衰变,提出一种改进的声辐射度模型。
The finite element method is used to study the normal modes distribution in coupled rooms.
耦合空间广泛地存在于各类建筑中 ,具有复杂的声场特性 。
The exist of invariant measure in coupling space of random environments is studied in this paper.
本文研究了随机环境中耦合空间上不变测度存在性问题，证明了一些存在性定理。
Approximated the space optical coupling loss induced by receiver′s pointing error to a Gaussian function,combined with the transmitter′s pointing loss,an analytic approximate probability distribution of received optical power is derived.
将接收机对准误差引起的空间光耦合损耗用一个高斯函数近似,并同时考虑发射机对准误差引起的对准损耗,推导出了接收光功率概率密度的近似解析表达式,应用该概率密度函数,建立了基于平均误码率原则的前置光放大卫星激光通信系统的优化模型。
Three-dimensional Coupling Vibration of Wind-vehicle-bridge System;
风—汽车—桥梁系统空间耦合振动研究
Nonlinear Three-Dimensional Coupling Vibration of Wind-Vehicle-Bridge System;
风—车—桥系统非线性空间耦合振动研究
Study on Space Coupling of Rail Transit and Urban Center System
轨道交通与城市中心体系的空间耦合
ENVIRONMENTAL RECORDS IN ICE CORES AND THEIR SPATIAL COUPLING FEATURES
冰芯所记录的环境变化及空间耦合特征
Research on Coupling Mechanism of Industrial Cluster and Economic Space of Region;
产业集群与区域经济空间耦合机理研究
Ambient Vibration Induced by Spatial Coupling Vibration of Vehicle-Track-Bridge System
车辆-轨道-桥梁空间耦合振动引起的环境振动
Experiment study on optical switch based on free-space coupling technology
基于自由空间耦合技术光开关的实验研究
Concert halls with acoustic chambers;
用耦合空间来调节声学特性的音乐厅
Energy Splitting of Coupling Harmonic Oscillator in Non-commutative Space
非对易空间中耦合谐振子的能级分裂
The Spacial Attribute of the Urban-Rural Coupling Regions and Measurement on the Mechanism of Its Spacial Evolution;
城乡耦合地域空间属性及城乡耦合关系测度研究
A BOND GRAPH METHOD FOR THE COUPLING DYNAMICS OF SPATIAL MULTIBODY MECHANICAL SYSTEMS
空间多体机械系统耦合动力学的键合图法
Research of City and Countryside Space Planning's Ecology Coupling Theory and Method;
城乡空间规划的生态耦合理论与方法研究
The Study on the Coupling Development Patterns of Urban Spatial Structure and Urban Traffic Organization;
城市空间结构与交通组织的耦合发展模式研究
Numerical Wind Tunnel Simulation and Fluid-Structure Interaction Analysis for Space Structure;
空间结构数值风洞模拟与流固耦合风致响应
Research on the Law of Electromagnetic Pulse Coupling to the Shield Cable;
空间电磁脉冲作用下屏蔽电缆的耦合规律研究
Coupling Degrees of Industrial Cluster and Economic Space of Region;
产业集群与区域经济空间的耦合度分析
Research on GIS-based Spatial Modeling for Mining Subsidence and Model Coupling;
开采沉陷计算的GIS空间建模及模型耦合研究
Study on the Coupling Relationship between the Runoff and Sediment in Chabagou Watershed;
岔巴沟流域次降雨水沙耦合关系空间变异研究