Iy ib2ib ia

2ixia-2ixib 2ixia-2ixib

(receiver phase x' ) (receiver phase - /) (receiver phase - x') (receiver phase /)

Adding up all eight terms we get: 4[2iXia]+4[2iXib]. This represents the crosspeak (Hb antiphase coherence) and the diagonal peak (Ha antiphase coherence), respectively. Both have the same phase in F2 (X) and the same phase in F1 (cs' modulation in t1) because they both derive from the same term: —2iXibcs'.

Now let's examine the ZQC term and see how it fares in the phase cycle:


- 2iy ix

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