[1] [1] SWORD C K,SIMAAN M,KAMEN E W.Multiple target angle tracking using sensor array outputs［J］.IEEE Tran-sactions on Aerospace and Electronic Systems,1990,26(2):367-373.

[2] [2] LO K W,LI C K.An improved multiple target angle tracking algorithm［J］.IEEE Transactions on Aerospace and Electronic Systems,1992,28(3):797-805.

[3] [3] PARK S B,RYU C S,LEE K K.Multiple target angle tracking algorithm using predicted angles［J］.IEEE Tran-sactions on Aerospace and Electronic Systems,1994,30(2):643-648.

[6] [6] RYU C S,LEE S H,LEE K K.Multiple target angle tracking algorithm using angular innovations extracted from signal subspace［J］.Electronics Letters,1999,35(18):1520-1522.

[7] [7] RYU C S,LEE J S,LEE K K.Multiple target angle-tracking algorithm with efficient equation for angular innovation［J］.Electronics Letters,2002,38(10):483-484.

[8] [8] YANG B.Projection approximation subspace tracking［J］.IEEE Transactions on Signal Processing,1995,43(1):95-107.

[10] [10] ABED-MERAIM K,CHKEIF A,HUA Y.Fast orthonormal PAST algorithm［J］.IEEE Signal Processing Letters,2000,7(3):60-62.