二维散射特性,2-D scattering characterization
1)2-D scattering characterization二维散射特性
1.Then the signal echo was processed using a pixel by pixel algorithm named back-projection to get the2-D scattering characterization of targets in both range and azimuth.基于合成孔径原理,提出一种水下目标二维散射特性测量方法,该方法采用声呐基阵静止而目标作合作匀速直线运动的模式。
英文短句/例句
1.High-resolution Calculation and Simulation of 2-D Near-field High-frequency Scattering Characterization for Underwater Targets高分辨水下目标近场二维散射特性计算及仿真
2.Research of the Wide-band Electromagnetic Scattering Characteristics of Two-dimensional Multiple Random Objects;二维随机分布目标宽带电磁散射特性的研究
3.Fast computation of electromagnetic scattering characteristics for 2-D fractal rough surface by SMFSIA/CAGSMFSIA/CAG快速计算二维分形粗糙面的电磁散射特性
4.Investigation on the characteristics of electromagnetic scattering from 2-D fBm rough surface of layered medium具有二维fBm特征的分层介质粗糙面电磁散射的特性研究
5.Properties of Near-field Composite Electromagnetic Scattering between Target and Two-Dimensional Rough Fractal Sea Surface;目标与二维粗糙分形海面复合电磁散射近场特性研究
6.2D-acoustic Scattering Property Analyses of Submarine Based on Synthetic Aperture Sonar基于合成孔径方法的潜艇二维高频声散射特性分析
7.Fast Analysis of Wide-Band EM Scattering by 2-D Random Distributed Conducting Objects二维随机分布导体目标宽带电磁散射特性的快速分析
8.Characteristics of amplitude distribution of EM returns from two dimension fractal surfaces二维分形粗糙面电磁散射回波的幅值分布特征
9.THERMAL EMISSION PROPERTIES OF A TWO DIMENSIONAL MEDIUM WITH NONLINEAR REFRACTIVE INDEX DISTRIBUTION二维非线性梯度折射率介质的热辐射特性研究
10.Radiation Characteristics of a Two-Dimensional Radome-Enclosed Phased Array Antenna二维带罩相控阵天线的辐射特性研究
11.Fast Analysis for 3-D Wide-Band & Wide-Angle Electromagnetic Scattering Characteristic by AMCBFM-MBPEAMCBFM-MBPE快速分析三维目标的宽带宽角散射特性
12.Electromagnetic scattering characterstics for basic cloths of camouflage screen knitted with conductive fibers导电纤维编织伪装遮障基础布的电磁散射特性
13.Analysis on Electromagnetic Scattering from Buried 3D Complex Dielectric Targets埋地三维复杂介质目标电磁散射特性分析
14.Study on the Bandgap Structure and Dispersion Characteristic in Two-dimensional Photonic Crystals;二维光子晶体带隙结构及色散特性研究
15.Research on Electromagnetic Dispersion Characteristics of Two-dimensional Cylindrical Invisibility Cloaking二维圆柱形隐身衣的电磁色散特性研究
16.Study on 1-D Large Scale Rough Surface EM Scattering at Low Grazing Incidence by Parallel MOM Based on MPI of PC ClustersPC集群MPI并行矩量法研究一维大尺度粗糙面掠入射电磁散射特性
17.Optical Scattering Analysis of the Aberration of the Diffracted Wave of Two-dimensioned Reflection Grating二维反射光栅衍射畸变的光散射方法研究
18.Analysis for refractive property of rotary dual-wedge prism system and 2-D scanning trace旋转双光楔折射特性与二维扫描轨迹的分析
相关短句/例句
two-dimensional scattering features二维散射特征
3)two-dimensional scattering二维散射
1.The metheod of partial-wave and Born approximation fortwo-dimensional scattering in quantum mechanics are studied.研究了量子力学中的二维散射问题，讨论了分波法和Ｂｏｒｎ近似法，并计算了一些实例。
4)scattering properties散射特性
1.Dehydration effect on the absorption andscattering properties of porcine kidney were studied in vitro.研究肾组织脱水对组织的吸收和散射特性的影响,实验利用带积分球附件的分光光度计和采用反向倍增法获取组织对532 nm和1064 nm波长的吸收和散射特性。
2.The influence of the aspect ratio to the light-scattering properties of small size cylinder ice particles in cirrus cloud is studied by T-matrix method.利用T矩阵方法研究卷云中圆柱状粒子取向比对散射特性的影响,计算了在小尺度范围内圆柱状冰晶粒子的散射特征量如散射相函数、消光效率因子、不对称因子及单次散射反照率,并将计算结果与等表面积、等体积及等效体积与投影面积比三种情况下的球形粒子的相应值进行了对比。
5)scattering characteristic散射特性
1.Analysis ofscattering characteristic of the sample based on BRDF experiment measurements;基于双向反射分布函数实验测量的目标散射特性的分析
2.Thescattering characteristics are studied when the propagating direction of the incident wave is parallel and vertical to the chaff respectively.建立了箔条目标模型,得出了箔条目标散射场的解析解,为研究箔条目标的电磁波极化特性奠定了理论基础;研究了电磁波平行投射到箔条上与垂直投射到箔条上的散射特性;结果表明:无论是前向散射还是后向散射,箔条形状的变化对散射特性有着明显的影响,都具有后向散射增强效应,箔条在某一方向上的散射基本上由正对该方向的目标上的电磁源决定。
3.Thescattering characteristic of 3-dimentional target coated with non-magnetic plasma is analyzed by employing finite-difference time domain (FDTD) technique integrated with piecewise linear recursive convolution (PLRC).采用分段线性递归卷积时域有限差分方法(PLRC-FDTD)分析等离子体覆盖三维目标的散射特性,分别计算了均匀和非均匀等离子体覆盖导体球的后向雷达散射截面。
6)scattering characteristics散射特性
1.Scattering characteristics of metal posts in coaxial waveguide;同轴波导内金属支撑杆的散射特性研究
2.The results are analyzed,and itsscattering characteristics are summarized up.采用矩量分析方法,求出了空飘球的双基地雷达反射截面,分析了计算结果,总结了空飘球的散射特性。
3.Because SAR imaging process overmuch depends on the sensor and thescattering characteristics of ground object, it not only brings us some limitations on obtaining image, but also introduces errors into SAR image during obtaining image process.鉴于此，本文结合计算机模拟技术、地物散射特性、SAR成像机理，提出并建立了计算机3D模拟SAR系统的集成框架，利用集成系统能够在不同入射方式、波长、极化方式，以及植被生长、地物变化的不同阶段进行动态、实时的生成SAR模拟图像。
延伸阅读
激光散射法测定精子运动特征激光散射法测定精子运动特征诊法。即 用激光散射光谱测定精子运动以分析其特征的一种方法。尤适于对精子运动速度分布尚不清 楚的研究中。因其可对精子运动速度进行即时的直接测定而优于它法之先摄取精子活动， 事后对照片或录像进行分析。本法用氦-氖气激光发生器发射的激光束，通过中性不透明滤 片衰减到15m之低能激光束，经聚焦后通过内置04ml受试样本的活动扁玻璃比色杯( 光通路01cm)，精子活动使激光发生散射而得到相应之光谱。该光谱之测定可以快速 傅立 叶转换数字光谱分析仪按照其能谱强弱分析，亦可由光强度衰减时间束分析。精液样本液化 后，取1ml样本加入4ml含04%牛血清白蛋白和pH为74的Hepes缓冲液的BWW培养液，振 荡后 用350～600g离心8分钟，倾弃大部上清液留约1ml，加4mlBWW液混匀后离心6分钟，同法经 第三次洗涤(避免假象及计数误差)离心3分钟。50分钟后即可测定精子活动。90分钟后可再 次测定，以提供对精子活力的估计。正常时，精子运动速度分布接近泊松分布。示性速度 Vc(大多数精子将按此速泳动)、平均速度V-和均方根速度V-1的相互关系 可按Vc∶V-∶V1=1∶2∶24的比例来表达。本法操作简便、数据客观、对 精子无 伤害，况其敏感度高，足以确定化合物剂量反应关系和进行不同化合物的药效比较，能提供 化合物对精子活动影响的敏感参数。
