Z-Transform Courses
Rice University via edX Signals and Systems, Part 2
Indian Institute of Technology Bombay via edX Discrete Time Signals and Systems, Part 2: Frequency Domain
Rice University via edX Mathematical Methods and its Applications
Indian Institute of Technology Roorkee via Swayam Principles of Signals and Systems
Indian Institute of Technology Kanpur via Swayam Advanced Engineering Mathematics
Indian Institute of Technology Roorkee via Swayam Digital Signal Processing
Indian Institute of Technology Madras via Swayam Controle a Tempo Discreto
Instituto Tecnológico de Aeronáutica via Coursera Signals and Systems | 信号与系统
Tsinghua University via edX Discrete Time Signal Processing
Indian Institute of Technology, Kharagpur via Swayam