4 DSP Operations
4-6
The FDATool GUI Opened from the Digital Filter Design Block
Designing Filters with Various Filter Structures
Any realizable filter can be represented in the time domain by a difference
equation of the form
yk() b
1
uk() b
2
uk 1–()L b
m
uk m– 1–()
a
2
yk 1–()–
…
– a
n
yk n– 1–()–
+++=
