When f(t)−f(t−τ) is already known, how to determine f(t) ?

As an example, we want to measure $f(t)$, but it's hard to get it directly. What we can do is to measure $f(t)-f(t-\tau)$. How to use the information we have to find $f(t)$? The only method I...

04 April 2023 7,139 0 View