Fig. 1. Schematic diagram of multi-aperture digital coherent synthesis receiver

Fig. 2. Block diagram of phase alignment and coherent synthesis algorithm

Fig. 3. Average CL and CE Variances under different SNR combination schemes when M=70 and N=4

Fig. 4. Average CL and CE Variances under different M and SNR combinations when N=4

Fig. 5. CE probability density function under different SNR combinations with N=4

Fig. 6. Average CL and CE Variances under differentSNR combinations at M=200 and N=16

Fig. 7. CE probability density function under different SNR combinations at N=16

Fig. 8. BER curve of aperture selection receiver