A PID-Optimized Olen Campton Beamforming Method

An adaptive narrowband beamforming method based on proportional-integral-differential (PID) virtual interference control which is called PID-optimized Olen Campton beamforming method (PIDBF) is proposed, achieving high-precision and rapid low sidelobe beamforming. In the proposed algorithm, PID controlling gains are applied to iteratively adjust the virtual noise sources. Thus, the Olen Campton beamforming method (OBF) is optimized by innovatively introducing PID control method in the iterative process of virtual interference sources, leading to faster and more stable sidelobe control. The superior performance of the proposed method is verified through a number of simulations.