摘要
讨论了GPS系统信道失配对数字波束形成算法性能的影响,理论分析和计算机仿真表明,干扰零陷深度随着幅度、相位偏差的增大而变小,要使干扰零陷深度达到25dB,保证幅度偏差小于0.8dB、相位偏差小于5°。
In this paper, the effects of the GPS channel amplitude and phase error on digital beamforming schemes are discussed. Analysis in theory and simulation by computer show that the cancellation of interference becomes worse as the channel amplitude and phase error be larger. If the cancellation of interference is required more than 25db, the amplitude error must be guaranteed less than 0. 8dB and the phase error less than 5°.
出处
《舰船电子工程》
2009年第2期67-69,共3页
Ship Electronic Engineering
