Basics of Signals and Systems

Basics of discrete- and continuous-time signals and systems, sinusoids and complex exponentials, phasor representation, spectrum representation, sampling and aliasing, Shannon/Nyquist sampling theorem, finite impulse response (FIR) filters, frequency response of FIR filters, z-transforms, infinite impulse response (IIR) filters, continuous-time signals and systems, linearity, time-invariance, linear time-invariant (LTI) systems, convolution, causality, stability, frequency response of systems, continuous-time Fourier transform.