: Provides a balanced survey of both continuous-time and discrete-time signals and systems. Major Topics Covered
Chapter 3: Fourier Series Representation of Periodic Signals Analogy between vectors and signals (Orthogonality). Trigonometric and Exponential Fourier Series. Dirichlet’s conditions for convergence. Signals And Systems By Anand Kumar.pdf
Buy/Download it for practice, but don't stop there. Use it alongside a more intuitive resource to truly understand signals and systems. : Provides a balanced survey of both continuous-time
x[n]Z-TransformX(z)=∑n=−∞∞x[n]z−nx open bracket n close bracket cap X open paren z close paren equals sum from n equals negative infinity to infinity of x open bracket n close bracket z raised to the negative n power Signals And Systems By Anand Kumar.pdf
Understanding Signals and Systems by A. Anand Kumar: A Comprehensive Guide