The principle and the design of quadrature-beamformer are discussed and the effect of the frequency shift on the beam axis is theoretically analyzed.

• 介绍了正交波束形成器的原理和设计方法,针对频率偏移对波束主轴方向的影响进行了理论分析和讨论,仿真结果验证了理论分析的正确性。