December 2005
Intermediate to advanced
475 pages
12h 6m
English
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1.5 CLASSIFICATION OF CONTINUOUS TIME SYSTEMS
The term system has already been introduced in section 1.1. A system is classified as follows:
- Static/Dynamic
- Causal/Non-causal
- Time invariant/Time variant
- Linear/Non-linear
- Invertible/Non-invertible
Let us introduce the above terms one by one.
1.5.1 Static and Dynamic Systems
If the output of a continuous time system depends only on the present input and not on the past or future input, the system is known as a static system. There cannot be any energy storage elements like a capacitor and an inductor are static systems. Therefore, we can say that a static system is a system without a memory.
On the other hand, if the output of a system depends on the present as on the well as past values of inputs, ...
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