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What If Time Was Negative?

January 24, 2024 by Ahmed Ali

What If Time Was Negative? So, yes, there is such a thing a negative time. … ‘ This means exactly what it sounds like: minus time! Now, what does negative time mean? Simply this: the time before you are actually measuring the time for the experiment or the measurement. Can you have negative time in

What Is Causal LTI System?

January 24, 2024 by Amira Khan

What Is Causal LTI System? An LTI system is causal if its output y(t) only depends on the current and past input x(t) (but not the future). Assuming the system is initially at rest, i.e., its output is y(t)=0, then if which occurs at the moment t=0, the output y(t)=h(t) will be none zero only