Farrow Structure Design Procedure

Solve the $N_\Delta$ equations

$$z^{-\Delta_i} = \sum_{k=0}^N C_k(z) \Delta_i^k, \quad i=1,2,\ldots,N_\Delta$$

for the $N+1$ FIR transfer functions $C_k(z)$, each order $N_C$ in general

References: Laakso et al., Farrow