数字波束形成的误差分析及校正方法

Error Analysis and Calibration Method of Digital Beam Forming

分析了数字波束形成过程中存在的主要误差，给出了各项误差的表达式，提出了误差校正的方法，说明了误差校正的重要性。最后给出了校正前后的试验结果，证明了校正方法的可行性。

The main error during digital beam forming is analyzed in this paper. Each expression for error is found, the calibration method is introduced, and the importance of calibration is illuminated. Some experiment results are given to prove the effectiveness of the method.