Topic: Signals and Systems
Two orthogonal signals $S_{1}(t)$ and $s_{2}(t)$ satisfy the following relation
- A. $\int_{0}^{T}S_{1}(t)s_{2}(t)dt=0$
- B. $\int_{0}^{T}S_{1}(t)s_{2}(t)dt=1$
- C. $\int_{0}^{T}S_{1}(t)s_{2}(t)dt=\infty$
- D. $\int_{0}^{T}S_{1}(t)s_{2}(t)dt=\pi$
Answer: A. $\int_{0}^{T}S_{1}(t)s_{2}(t)dt=0$