1) true steering vector
真实导向矢量
1.
In the method,the optimal joint data vector is determined by the direction of the coregistration,the true steering vector with large coregistration error is computed according to the data vector,and then the beamforming technique with the steering vector is used to unwrapping the InSAR interferometric phase.
该方法首先根据配准误差的方向来确定最优联合观测矢量,进而确定存在配准误差时的真实导向矢量,并且用此导向矢量进行波束形成来进行相位展开,能够同时完成图像配准、干涉相位噪声滤波和相位展开,因此可以在SAR图像配准精度很差(可以允许达到一个分辨单元)的条件下得到稳健的相位展开性能,仿真结果证明了此方法的有效性。
2) steering vector
导向矢量
1.
In view of the DOA of the other signals attained from the weight vector of the algorithm the steering vectors matrix of the interference signals are established.
首先由MVDR算法确定初始权向量;其次根据该权向量与其它用户波达角方向的关系,建立干扰信号的导向矢量矩阵;然后通过正交投影原理,将期望信号的导向矢量投影到干扰信号的零空间上,从而求得最优权值。
2.
Within the null space of the steering vectors vectors matrix of interference signals, the weight vector which is closest to the steering vector of the expected signal and deeply depresses the interference signals simultaneously comed be obtained with least square method through the linear combination of orthogonal basis.
提出了一种新的用于智能天线中极大抑制干扰的波束形成算法 ,在干扰信号的导向矢量矩阵的零空间内 ,经过正交基矢量的线性组合 ,用最小二乘法求得最接近期望信号导向矢量、并同时对各个干扰信号零陷的权值 。
3.
On the basis of analysis of constraint equations,the actual space-time steering vectors of the desired signal can be solved using the Lagrange multiplier methodology.
该算法在宽带信号模型基础上,分解空时宽带波束形成的约束方程,针对多频点约束,推导出空时二维导向矢量真值,得到空时结构可变对角加载波束形成算法的最优权矢量,并给出加载量求解方程,准确地计算出空时波束形成器的对角加载量。
3) true motion vector field
真实矢量场
1.
The conventional de-interlacing algorithms have some insurmountable faults, considering the characters of the true motion vector field based on motion estimation, a novel de-interlacing algorithm based on the measurement of motion vector is introduced, not consuming many hardware resources.
考虑到由运动估计求得的真实矢量场的特性,提出一种新的基于运动矢量检测的去隔行算法,不需要消耗太多硬件资源。
4) oriented vector field
向导矢量场
1.
In order to give attention to both the smoothness of the boundary area near the seam and the coincidence of globe intensity in a resultant mosaic image simultaneously,an image mosaic method based on oriented vector field is proposed in this paper.
为了兼顾图像镶嵌在拼缝附近的平滑过渡和整体色调的一致性,提出了一种基于向导矢量场的图像镶嵌算法。
5) eigen steering vector
特征导向矢量
1.
In the proposed approach,the eigen coefficient vector and eigen steering vector are defined,the adaptive beamforming approach is used to clutter rejection,and the velocity of moving target can be determined simultaneously,the moving target can be relocalized subsequently.
该方法根据图像配准误差的方向确定观测矢量,计算特征系数矢量,利用动目标的空域导向矢量和特征系数矢量构造特征导向矢量,然后利用自适应波束形成技术进行杂波抑制的同时估计动目标的运动速度,最后对目标重新定位。
6) steering vector mismatch
导向矢量失配
1.
There are two important factors that affect the performance of Space-Time Adaptive Processing(STAP),that are steering vector mismatch and covariance matrix mismatch.
导向矢量失配和协方差矩阵失配是影响空时自适应处理(STAP)性能的两大主要因素,基于在最差情况下的性能最优,提出了一种稳健的STAP算法。
2.
In order to improve the robustness against the array steering vector mismatch,the norm constraint on the weight vector is used.
针对Capon波束形成器在导向矢量失配存在时的较差指向性能,利用模约束来提高算法的稳健性。
补充资料：伯格斯矢量
分子式：
CAS号：
性质：是位错尺寸的量度。当位错在晶体内滑动时，原子沿着某一特定的方向相对于其邻近原子切变了某一特定的距离，表示这种原子位移的矢量定义为位错的伯格斯矢量。对螺型位错，位错线平行于伯格斯矢量；对刃型位错，位错线垂直于伯格斯矢量；对于混合型位错，位错线斜交于伯格斯矢量。
CAS号：
性质：是位错尺寸的量度。当位错在晶体内滑动时，原子沿着某一特定的方向相对于其邻近原子切变了某一特定的距离，表示这种原子位移的矢量定义为位错的伯格斯矢量。对螺型位错，位错线平行于伯格斯矢量；对刃型位错，位错线垂直于伯格斯矢量；对于混合型位错，位错线斜交于伯格斯矢量。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条