二维方向角和频率估计 estimate of 2d angle and doppler frequency
其次，直接利用UCA的阵列流形，采用最小二乘法估计信号二维方向角。
Second, based on a direct array manifold in UCA, the azimuth and elevation are estimated by Least Squares (LS).
在各阵元增益幅度不一致的条件下，提出了一种起伏目标的二维方向角和多普勒频率盲估计的新方法。
A new blind estimate of 2d Angle and Doppler frequency for fluctuating target signals was proposed with sensor gain uncertainties.
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