| Line 4: | Line 4: | ||
'''EXAMPLES''' | '''EXAMPLES''' | ||
| − | CAUSAL SYS: | + | CAUSAL SYS: h(t) = 2(t-6) + 2 |
| − | NON-CAUSAL SYS: | + | NON-CAUSAL SYS: h(t) = 8(t+20) + 3 |
Latest revision as of 12:33, 1 July 2009
CAUSAL SYSTEMS
def: A causal system is one that depends on either a present or past value of $ t $. Likewise, a non-causal system is one which depends on a future value of t.
EXAMPLES
CAUSAL SYS: h(t) = 2(t-6) + 2
NON-CAUSAL SYS: h(t) = 8(t+20) + 3
