2RASHID ANSARI.Elliptic Filter Design for a Class of Generalized Halfband Filters[J].IEEE TRANSACTIONON ACOUSTICS,SPEECH,AND SIGNAL PROCESS-ING,1985,33(4):1146-1150.
3RASHID ANSARI.IIR Discrete-Time Hilbert Transformers[J].IEEE TRANSACTION ON ACOUSTICS,SPEECH,AND SIGNAL PROCESSING,1987,35(8):1116-1119.
