A time-variant system has explicit dependence on time, does not have an impulse response in the normal sense and is not stationary. A time-variant value refers to cryptography, when a value changes with each transaction or with each message value.
A time-variant system has explicit dependence on time, does not have an impulse response in the normal sense and is not stationary. A time-variant value refers to cryptography, when a value changes with each transaction or with each message value.