Definition
mode
Definition of three-order cumulant
Three-order cumulant
Diagonal of three-order cumulant
Definition 1
E { x ( n ) x ( n + τ 1 ) x ( n + τ 2 ) }
0
Definition 2
E { x ∗ ( n ) x ( n + τ 1 ) x ( n + τ 2 ) }
A 1 A 2 A 3 [ exp j ( ω 1 τ 1 + ω 2 τ 2 ) + exp j ( ω 2 τ 1 + ω 1 τ 2 ) ]
2 A 1 A 2 A 3 [ exp j ( ω 3 τ ) ]
Definition 3
E { x ∗ ( n ) x ( n + τ 1 ) x ∗ ( n + τ 2 ) }
A 1 A 2 A 3 [ exp j ( ω 3 τ 1 − ω 1 τ 2 ) + exp j ( ω 3 τ 1 − ω 2 τ 2 ) ]
A 1 A 2 A 3 [ exp j ( ω 2 τ ) + exp j ( ω 1 τ ) ]