3. Multiples min P(w)=minwRw+ 乙FF x1(n) x2(n) x3(n s.t. cw= Iin. 2(n 4 where R=EO() Output of beamforming is yt 防科学时太季 A Direct Numerical Imaging Method National University of Defense TechnologyA Direct Numerical Imaging Method 3. Multiples 28 2 2 2 min ( ) min + T P K L d = v v v v v v v w w w w R w w x » 2 x n( ) 3 x n( ) ( ) M x n d d 1 x n( ) 1 t 2 t 3 t M t 1 s 2s 1 s 2s 1 x n( ) 2 x n( ) 3 x n( ) ( ) M x n w w . 1 s t. . 轾 = 犏犏犏臌 0 v C w where { ( ) ( )} T R E t t = v v x x ( ) ( ) T y t t = v v w x Output of beamforming is