散射体
- scatter
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基于散射体信息的双基站定位
Calculation of Mobile Location Based on Scatter Information Using Two Base Station
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无序介质中不同模式的激光辐射与散射体密度的关系
Relationship between Different Lasing Mode Emission and Scatter Density in the Random Laser
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基于FFT求取直导线散射体极点的一种新方法
New Algorithm for Calculating Poles of a Thin Wire Scatter by FFT Method
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LOS环境下散射体对MIMO信道特性的影响
Investigations on the effects of scatterers on the MIMO channel characteristics in LOS environment
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TE波入射渐变微波散射体散射场的计算
Computation Scattering Field of Various Microwave Scattering Bodies Excited by TE Wave
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FDTD方法中散射体曲面边界的网格拟合
The Mesh Fitting to the Scatterer Surfaces in FDTD Algorithm
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三维散射体宽角度RCS的快速算法
Fast calculation of wide angle RCS of 3-D objects
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基本散射体RCS的分析和综合
The RCS Analysis and Synthesis of the Elementary Scatterers
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本文使用这种边界条件对理想导电及均匀电磁可穿透材料圆柱散射体的表面场进行了数值计算,并与使用二阶微分算子B2型的吸收边界条件的结果作了比较。
Numerical results for perfectly conduction and homogeneous penetrable circular cylinder are presented and compared with the solutions by using second-order differential operator B2 type absorbing boundary condition .
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电磁相似性在计算基本散射体RCS方面的应用
The Application of Electromagnetic Similarity in the Calculation of RCS of the Basic Scatterer
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受地表散射体时间变化和SAR平台空间基线去相干的影响,使干涉相位的相干性降低。
However , the coherent of SAR interferogram reduces due to the surface scattering change over time and the long spatial baseline of SAR platform .
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基于FDTD的散射体宽角度宽频带RCS快速计算方法研究
Research on the Fast Calculation Method of Wide Angle and Wide Band RCS Pattern of Scatter Based on FDTD
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三维散射体宽带RCS频率响应的快速算法:渐进波形估计技术加速的区域分裂法
Fast RCS Calculation of 3-D Objects over a Frequency Band Based on Domain Decomposition Method in Conjunction with Asymptotic Wave Evaluation Technique
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金属散射体在TE波入射下的逆散射成像问题一直是计算电磁学领域的难题。
The inverse scatter-ing problems of PEC scatterers under transverse electric ( TE ) wave has been a difficult problem in computational electromagnetics .
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在计算尖锥柱等典型散射体的RCS的基础上,计算了一导弹模型在不同方位角下的双站RCS,证实了本方法的可行性。
Based on the RCS of typical targets , the bistatic RCS of a missile model was calculated , demonstrated the applicable of this technique .
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在RCS的计算中是将散射体表面的物理光学积分通过参数变换为NURBS参数域上的二重积分,利用驻定相位法得出组合NURBS表面的散射场。
During the computation of RCS we transform the physical optics integral over the surfaces of the scatterer into the dual integral of nurbs parameter field .
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为了能够重构散射体D,我们可以建立起远场模与散射体之间的联系,这种联系可以通过所谓的远场算子F来确定。
In order to reconstruct the shape of scatterer D , we establish the relation between the scatterer and the far field pattern . The relation can be fixed by so called far field operator F.
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由于复杂散射体的随机取向导致其回波具有一定的波动性,利用目标分解理论对全极化SAR图像进行分类时,分类结果会出现一定程度的错分现象。
Scatter targets of complex terrain surfaces with random orientation product random fluctuating echoes . This leads to a confused classification by directly using target decomposition on full polarimetric SAR ( PolSAR ) image .
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管件径向局部成形技术为了能对金属散射体成像,借鉴了局部形状函数法(LSF)思想。
Radial Local Forming Techniques of Pipe Fittings In order to image metallic cylinders , LSF method was used .
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当散射体的截面为长方形时,截面的长宽比为1.2时XY模的带隙最宽,长宽比为1时Z模的带隙最宽;
The largest band gap appears when the proportion of length and width of scatterers ' rectangle cross-section is 1.2 for XY mode and is 1 for Z mode ;
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从基本散射体散射特性的普适表达式出发,分析其中各参数单独变化时RCS的变化规律。
With the general expression for an arbitrarily simple-shaped scatterer 's scattering characteristics as a starting point , the RCS varieties during the respective change of each parameter are analyzed .
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通过大量数值计算详细分析了该影响并给出了单散射体、集群散射体的Mie相函数的数值计算结果。
After a great deal of computation , the Mie phase functions of the single particle or polydisperse particles are given here in numerical expression .
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通过分析和算例,表明小波变换可以有效减少阻抗矩阵的求逆时间,这对于计算电大尺寸散射体的RCS是很有益的。
Also , it is shown by numerical tests that the complexity of inverse is effectively reduced with the help of the wavelet transform , that is useful in the RCS computation .
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本文提出了一种新的复杂散射体雷达散射截面(RCS)的分析方法&频率特性外推法。
A new method for analyzing the Radar Cross Section ( RCS ) of a complex scatterer is put forward in the paper , which is a method of frequency characteristic extrapolating .
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该新测量技术既可用于一般电小尺寸散射体RCS测试,又可应用于UHF频段RFID无源标签的DeltaRCS测量。
It not only can be applied to the measurement of the RCS of usual electrically small scatterers but also could be applied to the measurement of Delta RCS of UHF RFID passive tags .
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用自然地表非球形散射体全极化一阶散射的Mueller矩阵解,在选定高空间分辨率条件下,计算具三维空间结构与非均匀分布的植被地表的全极化后向散射。
Employing the Mueller matrix solution of random non-spherical particles , fully polarimetric scattering from heterogeneous canopy surfaces with 3-dimensional spatial structure is calculated .
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利用阵列分析技术和矩量法相结合的方法求解二维周期渐变形状角锥散射体的散射,导出TE波入射时散射场的表达式。
The paper by using array analysis technology and moments method discusses the two-dimension periodic various microwave scattering bodies RCS . And expressions of scattering field of various microwave scattering bodies excited by TE wave were also derived .
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同一马氏体晶粒中具有相同孪生面的孪晶,尽管其具有相同的电子衍射谱(EDP),但它们在电子衍射中却是一些非相干散射体。
Although the twins in a martensite grain corresponding the same twinning plane exhibited the same EDP , the electron waves from these twins were noncoherent scattering each other .
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在该模型中,我们将生物组织中的散射体等效为不同尺寸的球形颗粒或椭球型颗粒,并用经典的Mie散射理论描述其散射特性。
We take the scatters in tissue as spherical or ellipsoidal particles with different sizes and optical property . And the scattering property of the equivalent scattering particle is discussed with Mie theory .
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干涉合成孔径雷达(InterferometricSyntheticApertureRadar,InSAR)是以合成孔径雷达复数据提取的相位为信息源获取地表三维信息和海表散射体运动信息的新型微波成像雷达。
Interferometric synthetic aperture radar ( InSAR ) is new microwave imaging radar that can obtain information about three-dimensional earth surface and movement of sea surface scattering . The source of information is the phase extracted from the complex data of synthetic aperture radar .