Environmental Engineering Reference
In-Depth Information
Continuing this process, one can show that
Let us examine these results in detail prior to further development :
The impulses of and encountered at only affect
and as when They die out after
the first step and have no effect on the subsequent steps.
For small and can be quite large. If the circuit con-
tained switches that are internally controlled, such as diodes, they
could be activated and alter the topology of the circuits. Detection
of the existence of impulses at switching instants is therefore critical.
and provide an approximation of the area of the im-
pulses. The error of such an approximation can be determined from
These products can be used to detect the existence of impulses. If
when
no impulse exists at
Otherwise, an
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