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an-orthogonal-about-BF-algorithm
- 一种基于正交投影的波束形成算法。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。仿真结果证明了该算法的有效性。-An orthogonal projection beamforming algorithms. First, by the MVDR algorithm to determine the initial weight ve
ijacspv24n6
- This contribution considers semi-blind adaptive equalization for communication systems that employ high-throughput quadrature amplitude modulation signalling. A minimum number of training symbols, approximately equal to the dimension of the equal
Eigenspace-beamforming-based-on-SVD
- 针对特征空间波束合成器,采用对数据矩阵进行奇异值分解,利用奇异值和奇异值矢量计算最优权矢量,完成波束合成-Feature space beam synthesizer, using the singular value decomposition of the data matrix, singular values and singular value vector to calculate the optimal weight vector, and compl
Beamform-ing-Algorithm
- 提出一种基于直接数据域最小二乘方法的自适应多波束形成算法,包括前向计算、后向计算和前- 后向计算。利用天线阵元输出复电压的单快拍数据构建矩阵方程,采用共轭梯度法求解得到阵列的自适应权值向 量,从而在所有期望信号方向形成接收波束,同时在各干扰方向形成深零陷,使信干噪比显著提高。由于只需对单 快拍数据进行处理,并且避免了样本协方差矩阵的构造及矩阵求逆运算,故计算复杂度较传统算法低。-An adap tive multip le beamforming algorithm based on
Compensation-for-Sliding-Mode
- 机电传感器通常用于获取转子位置/速度的内置式永磁同步电机( IPMSMs )的高性能控制 车辆系统。然而,使用这些传感器中的增加的成本,尺寸,重量,布线复杂性并减少了IPMSM驱动系统的机械鲁棒性。这些问题连同 一些实用的要求,例如,调速范围广,极端 环境温度和不利的负载条件下,使传感器控制方案可取。本文提出了一种扩展的反电动势( EMF )为基础的滑模 转子位置观测器IPMSMs的无传感器矢量控制。 基于滤波器的特性,一个强大的补偿算法的开发,以改善滑动方式观测器(SMO)
Antenna_ComputerProject_3D
- Codebook is a known matrix, had been create and setup when initial design a system. Each column in codebook specifies a beamforming weight vector, or in other words, specifies a combination for the phase shifters and amplitude controllers to create a
Codebook_Generate_MetricForm
- Codebook is a known matrix, had been create and setup when initial design a system. Each column in codebook specifies a beamforming weight vector, or in other words, specifies a combination for the phase shifters and amplitude controllers to create a
BF_QPSK
- Codebook is a known matrix, had been create and setup when initial design a system. Each column in codebook specifies a beamforming weight vector, or in other words, specifies a combination for the phase shifters and amplitude controllers to create a
Robust-Beamforming-via-Semidefinite
- 现有的向量加权稳健波束形成方法只有在指向误差较小的情况下才能有效估计目标的信号功率;矩阵加权波束形成方法在指向误差较大时,虽然可以估计目标的信号功率,但是它的系统实现复杂度与向量加权稳健波束形 成方法相比较大。针对以上问题,该文提出基于半正定秩松弛(SDR)方法的稳健波束形成,该方法优化模型中的目标函数与Capon 算法的目标函数相同,优化变量为加权向量的协方差矩阵,并约束方向图的主瓣幅度波动范围、旁瓣电平,协方差矩阵的秩为1。-The existing vector weighted ro
