When there exists general array error in uniform linear array (ULA), an estimation of the direction of arrival (DOA) and Doppler frequency for signals was proposed.
在均匀线阵存在阵列误差的情况下,提出了一种信号波达方向和多普勒频率估计方法。
All kinds of array errors are analyzed and their mathematical models are also established.
阵列误差的校正是智能天线技术实用化的关键所在。
The array error model of joint frequency, two-Dimensional Angles of Arrival (2-D AOA) and polarization estimation is constructed.
建立了频率、二维到达角和极化联合估计的阵列误差信号模型,分析了阵列误差对用ESPEIT算法进行参数估计性能的影响。
Estimation of 2D angle for signals with general array error;
一般阵列误差情况下信号二维方向角估计
The problem of estimating direction of arrivals (DOA) and Doppler frequency for many sources is considered in the presence of general array errors (such as amplitude and phase error of sensors, setting position error of sensors).
针对均匀圆阵存在一般阵列误差 (如阵元的幅相误差和安装位置误差等 )的情况 ,提出了多个信号的波达方向和多普勒频率估计方法。
Compared to narrowband signal,the array errors of broadband signal are more complex and diverse.
文章首先给出了宽带信号条件下的阵列误差模型,利用四阶累积量估计出各频点上实际的方向矩阵,然后利用总体最小二乘(TLS)算法给出了一种存在阵列误差情况下的聚焦矩阵的求法。
Their performances decrease drastically in the presence of array errors.
但是这类高分辨方法对阵列模型失配十分敏感,存在阵列误差时其估计性能明显下降。
Effect of array uncertainty on the performance of MUSIC and its calibration;
阵列误差对MUSIC算法性能的影响与校正
For a linear model y_i= x iβ+e_i,i=,···,n,the error sequence 1 has anunknown density f(x).
线性模型ｙ＿ｉ＝ｘ＿ｉ＇β＋ｅ＿ｉ，ｉ＝１，…，ｎ，的误差序列有未知密度ｆ（ｘ）。
Optimal Closed-Form Solution to Array Error Matrix Based on Eigenvector
基于特征向量的阵列误差矩阵最优闭式解
Array Calibration and Its Application in PHS Base Stations
阵列误差校正及其在小灵通基站中的应用
Direction of Arrival Estimation on Coherent Signals with Array Errors;
基于阵列误差情况下相干信源DOA估计算法研究
An improved active array errors calibration algorithm using the sparseness of mutual coupling matrix
一种利用互耦矩阵稀疏性的阵列误差有源校正改进算法
Research on Array Error Estimation of Distributed Spaceborne SAR-GMTI Radar Systems;
分布式SAR运动目标检测雷达阵列误差估计方法研究
Fast Parameter Estimation of Wideband LFM Signals Based on MP Decomposition and Array Error Correction;
基于MP的宽带LFM信号参数估计快速算法和阵列误差校正
Study on Methods of DOA Estimation Based on Array Calibration in Complex Noise;
复杂噪声背景下基于阵列误差校正的DOA估计的方法研究
The Research of Accelerometers' Array Error Coefficient Demarcate Method Based on Angular Velocity
基于角速率的加速度计阵列误差系数标定方法的研究
A new image domain STAP method for multi-channel SAR with array distortion and non-homogeneity environments
可适应阵列误差和非均匀杂波环境的多通道SAR图像域STAP方法
DOA error analysis of MUSIC algorithm of array antenna
阵列天线DOA估计MUSIC算法误差分析
Self-calibration with sensor gain and phase uncertainty based on sparsely decomposition
基于稀疏分解的阵列幅相误差自校正
Effects of Mutual Coupling and Amplitude-phase Errors on the Ultra-Low Sidelobe Antenna;
超低副瓣阵列天线互耦及幅相误差影响的研究
Error-Theory Analysis and Correction for Ultra-Low Sidelobe Array Antenna;
超低旁瓣阵列天线误差理论分析与补偿技术
Error Analysis for Measuring Angle by Comparing Amplitude of DBF Array
数字多波束阵列天线方位测角误差分析
Research of Array Gain and Phase Error Correction Algorithm Based on Single Auxiliary Source
基于单辅助源的阵列幅相误差校正方法
Approach for Wideband Direction of Arrival Estimation in the Presence of Array Model Errors
存在阵列模型误差情况下的宽带DOA估计
Array Gain and Phase Calibration Mothed Study Based on the Spatio-temporal Matrixes Information
基于时空矩阵信息的阵列幅相误差校正方法研究
Calibration Algorithm for L-Shaped Array in Presence of Channel Discord and Sensor Position Errors
L型阵列通道不一致及阵元位置误差的联合校正方法