Kani’s approach to DSP is modular, typically organized into 12 distinct chapters designed to move from foundational signals to advanced processors:
| Feature | Nagoor Kani | Proakis & Manolakis | Oppenheim & Schafer | | :--- | :--- | :--- | :--- | | | Beginner to Intermediate | Intermediate to Advanced | Advanced | | Focus | Exam & Problem solving | Theory & Algorithms | Mathematical rigor | | Examples | Many solved problems | Moderate | Few, but deep | | Best for | Passing university exams | Core understanding | Research graduate level | digital signal processing by nagoor kani