An Accurate Modulation Recognition Method of QPSK Signal

Table 2

The relationship between the base-band code and phase of 8PSK.

Code	0	0	0	0	1	1	1	1
	0	0	1	1	1	1	0	0
	0	1	1	0	0	1	1	0
Phase values	0	π/4	π/2	3π/4	π	5π/4	3π/2	7π/4