Table 3: The digital phase sequences and results for different solutions.

ResultDigital Phase SequenceBest SLL (dB)Null depth (dB)Mean time costing (m)

Nulls at 30° to 31° obtained by IGA-DWV7877787898779887768966686B761F8F0FF0F00E000BEF9858-18.16-61.728.76
Nulls at 30° to 31° obtained by QPSO8D6C8EF77049635D76668DDCAC410587A4847784DA79838A6C-12.03-37.418.62
Nulls at 30° and 31° obtained by IGA-DWV887788778778888695786974A4C61F0D0F800FFFF00C006999-18.55-65.66 and -71.518.51
Nulls at 30° and 31° obtained by RNPSO9588AABA98AA4A68CEB53129A9D99BCEDEB1904ED3771D669A-14.78-60.71 and 60.938.56