Basic triple resonance experiments:CBCA(CO)NH 3D CBCA(CO)NH Hg.Ha->CB,Ca(tj)->C'->N(t2)->HN(t3) △"1 DIPSI-2 (x) iali Ca(i-1) 15N GARP GARP CB-1) 13C 1: 2 BSPBSP 4681012 14 2T [ms] 2C3,H se-cce-)icsc. KGz G Ca(i-1) K=+/-10:"=+/-y:01=y52=X,-X+TPP1i03=x 04=x9g=2x2(-x刘；=x2(-x,x. C(作1) △'=3.6ms,△"=2.4ms,△-5.4ms,t=13.5ms,T=3.6ms,=3.4ms=4.5ms 024681012141618 2 [ms] Transfer amplitude in a 13C spin system C-(Ca)m-(C)p Ca(i-1): fT,)=cosm(2π1 Jca.cB)cosm(2π1 Jca.cp9 Ci-1: f(T,)=sin(2 Jca.ce T)cosP(2n1JcB.cyT)sin(2n 1Jca.cB5)