Furthermore, the radiation power and radiation directivity was computed over .
首先将损伤的概念引入有限元,并用边界元法得到流体附加质量项,然后求解损伤结构动力特性,进而求出损伤结构在一定频率范围激励下的辐射声功率以及辐射指向性。
The simulation results show the measurement errors due to acoustic focusing are relevant to the type and the radiation directivity of the sound sources,boundary constraint,the spatial location of sound sources and receivers,and the band width and frequency of the signals.
仿真结果表明,声聚焦引起测量误差的大小与声源的类型、辐射指向性,边界约束,声源和接收器的空间位置,信号带宽、频率均有关。
We developed a model to describe the directional emission of vegetation canopies in thermal infrared band based on a conceptual model.
在一个概念模型的基础上 ,把复杂的不同温地表分解为若干均匀同温的组分 ,建立宽波段热红外方向性辐射模型 ,并针对一个不同温的叶子冠层进行了建模及反演的实验研究。
The Study on Thermal Infrared Emission Directionality of Typical Soil-vegetation Canopy Based on 3-D Structure Simulation Model;
基于3-D模拟的典型植被热辐射方向性研究
The Soil Moisture Detection for Different Vegetation Coverage Based on the MODIS Data and the Influence Analysis of the Thermal Radiant Directionality;
考虑植被覆盖和热辐射方向性的热惯量法土壤水分反演研究
Computer Simulation of Land Surface Thermal Anisotropy Based on Realistic Structure Model:A Review
基于真实结构的地表热辐射方向性计算机模拟研究进展
isotropic radiator
各向同性辐射体;全方位辐射器;全向辐射器
satellite antenna radiation patter
卫星天线辐射方向图
directional correlation of nuclear radiation
核辐射的方向角关联
equivalent isotropic radiated power
等效无方向辐射功率
free-space radiation patter
自由空间辐射方向图
The radiant energy emitted per unit time in a specified direction by a unit area of an emitting surface.
辐射能单位辐射平面在单位时间内向某一方向发出辐射能
An Inverse Research Method for the Radiation Characteristics Based on Genetic Algorithm
基于遗传算法的辐射特性反向研究方法
Solving Radiative Transfer Equation in One-Dimensional Anisotropic Scattering Media with DRESOR Method;
DRESOR法求解一维各向异性散射性介质中的辐射传递方程
Experimental Study of Radiative Properties on Gas-Fired Perforated Ceramic Radiant Burner;
多孔陶瓷燃气辐射定向器辐射特性的实验研究
A Novel Approximation Algorithm for Calculating Three-Dimensional Radiation Patterns of Antennas;
天线三维辐射方向图的近似计算方法
A Study of Seasonal Variation and Models of Directional Thermal Radiance over Row-planted Winter Wheat Canopy;
冬小麦冠层方向性热辐射的季相变化和模型研究
The particles that descend in this fashion.
辐射尘以这种方式落下的放射性粒子
DEVELOPMENT OF A GENERAL MULTI-FLUX METHOD FOR SIMULATING THE RADIATIVE INTENSITY IN ARBITRARY DIRECTION
求解任意方向辐射强度的广义多流法
maximum effective isotropically radiated power
最大有效各向同性辐射功率
Measuring method for normal total emittance of infrared heater
GB/T7287.9-1987红外辐射加热器全法向发射率测量方法
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