The results show that the directivity fluctuations are not related with the array gain, while strongly related with the relationship between PSR and EPIR and the absolute value of PSR.

• 表明方向性的起伏与阵列增益没有必然的联系，而峰瓣比和峰扰比的大小关系以及峰瓣比的绝对值起着决定性的作用。