1)3D-tracking三维空间追踪
2)subspace tracking子空间追踪
1.In this paper,the orthogonal projection approximation subspace tracking(OPAST) is employed for channel estimation and space-time multiuser detection in space-time block coded MIMO system.文章提出在空时分组编码的MIMO系统中利用OPAST这种子空间追踪算法进行盲空时多用户检测。
2.The improved Akaike Information Criterion(AIC)is adopted to estimate the dimension of the signal subspace in the subspace tracking.在子空间追踪中用一种改进的AIC准则进行维数估计,在不提高误差概率的基础上,降低了维数估计的计算量。
3)Whole 3D autotracing全三维自动追踪
4)3-D ray tracing三维射线追踪
1.Based on the Haselgrove ray equation,the fast 3-D ray tracing of the short wave in the ionosphere is realized.基于三维射线追踪的Haselgrove方程,实现了快速电离层短波数字的三维射线追踪。
英文短句/例句
1.A fast ray tracing algorithm in the ionosphere电离层三维射线追踪的快速计算方法
2.3-D rapid ray-tracing and Gaussian ray-beam forward simulation三维射线快速追踪及高斯射线束正演
3.The Design and Realization of Two-dimensional Blocky Model Ray Tracing二维块状模型射线追踪方法设计与实现
4.Trapezoid block modeling and qP/qSV reflection wave kinematic ray tracing in 2D layered VTI media二维层状VTI介质的梯形块状建模及qP/qSV反射波运动学射线追踪
5.A quasi3 D model based on the ray tracing technique is presented.提出了一种基于射线跟踪法的准三维模型。
6.Positioning model for urban microcell based on 3D ray-tracing method基于三维射线跟踪方法的城市微小区定位模型
7.Stress Analysis of Concrete Arch Dams and Study of Crack Calculated by Three-Dimension Nonlinear Finite Element Method;混凝土拱坝三维非线性有限元应力分析及裂缝追踪计算研究
8.An Improved ART Algorithm Based on Linear Travel Time Interpolation Ray Tracing基于LTI射线追踪的改进的ART算法
9.A new 3D-tracking system based on accelerometer基于加速计的三维空间运动追踪系统
10.It can also create fully raytraced reflections and refractions.它也能够创建完全的光线追踪反射和折射。
11.Three Dimensional Canopy Radiation Transfer Model Based on Monte Carlo Ray Tracing;基于蒙特卡罗光线跟踪方法的植物三维冠层辐射传输模型
12.Study on Ray Tracing Forward Method in the Blemish Concrete Structure Detection;混凝土结构损伤检测中的射线追踪正演方法
13.Research and Application of VSP Ray-tracing Modeling and Processing Methods;VSP射线追踪模拟与处理方法研究及应用
14.Ray Tracing Forward Modeling with Seismic First Arrival Times;地震波初至旅行时射线追踪正演方法研究
15.Research of Ray Tracing Methods with Ultrasonic CT and Its Application;超声层析技术中射线追踪方法的研究与应用
16.Research on Multi-wave Field Forward Simulation of Micro-seismic Model Based on Ray Tracing基于射线追踪的微地震模型多波场正演模拟
17.Study on high-precision rapid ray tracing method by multi-retracing多次回溯高精度快速射线追踪方法研究
18.Coordinate positioning method of straight ray path tracing for electromagnetic wave tomographic imaging电磁波层析成像直射线路径追踪之坐标定位法
相关短句/例句
subspace tracking子空间追踪
1.In this paper,the orthogonal projection approximation subspace tracking(OPAST) is employed for channel estimation and space-time multiuser detection in space-time block coded MIMO system.文章提出在空时分组编码的MIMO系统中利用OPAST这种子空间追踪算法进行盲空时多用户检测。
2.The improved Akaike Information Criterion(AIC)is adopted to estimate the dimension of the signal subspace in the subspace tracking.在子空间追踪中用一种改进的AIC准则进行维数估计,在不提高误差概率的基础上,降低了维数估计的计算量。
3)Whole 3D autotracing全三维自动追踪
4)3-D ray tracing三维射线追踪
1.Based on the Haselgrove ray equation,the fast 3-D ray tracing of the short wave in the ionosphere is realized.基于三维射线追踪的Haselgrove方程,实现了快速电离层短波数字的三维射线追踪。
5)Three-dimension ray-tracing三维光路追踪
6)3-D reflector tracing.三维反射面追踪
延伸阅读
亏子空间亏子空间eficiency subspace ^ defect subspace, defective subspace 亏子空间【山反妇娜田加,ce或山免以s而p暇,山丘尤tivesubspaCe;八e中eKTooe no皿n一oeTpaoeT.1,算子的 算子A,二A一又I的值域兀二{y=(A一又I)x:x任D,}的正交补D,,其中A是定义于Hilbert空间H中的线性流形D,上的线性算子,而几是A的一个正则值(正则点).这里,一个算子A的正则值(比孚血r从司ueofanoperator)理解为参数又的一个值,使方程(A一又I)x二y对任何y有唯一的解,而算子(A一又I)”是有界的,即A的预解式(~l-瓤)(A一又I)一‘有界.当又变化时,亏子空间D*也随着变化,但是对属于A的全部正则值构成的开集的一个连通分支的一切之,亏子空间D*的维数是相同的. 如果A是一个具有稠密定义域几的对称算子,它的正则值的连通分支是上半及下半平面.在这一情形下,D*一{x任D矛:A’二一Ix},其中A’是A的伴随算子,而亏量叭二djln只及。一dimD一,均称为算子A的(正的及负的)亏指数(由反记ncy indi-渭of an opemtor).此外 D,·=D,OD:①D_,,即D,·是D,,D‘,D_,的直和.因而,如果n十=作_=O,那么算子A是自共扼的;否则,一个对称算子的亏子空间便刻画了它偏离一个自共扼算子的程度. 亏子空间在构造对称算子到极大算子或自共扼算子(超极大算子)的扩张中起着重要作用.[种比,工圆粼出阴摹丁即牛脚粤LI七g切以J仙‘Ulano拌rator)的定义不十分正确而应理解如下.值又是A的一个正则值,如果存在正数介=k(劝>O,使得对一切x6几,}(A一久I)x]})kl{xj}成立.在这种情形下,A一又I的核仅由零向量组成,且A一又I的象是闭的(但不必等于整个空间).王声望译