..............page:40-42,47
..............page:7-10,16
..............page:65-68,82
The Design of Digital Filter
liu wang-dong; liu xi-bin(dept.of phys.of hunan university of science and technology; xiangtan 411201; china: dept.of phys.of hunan institute of science and technology; yueyang 414006:china)
..............page:32-34