Signal And System By Tarun Kumar Rawat.pdf [ BEST | 2024 ]

Write-Up: Signal and System by Tarun Kumar Rawat

Title: Signal and System Author: Tarun Kumar Rawat Focus Area: Continuous-Time (CT) and Discrete-Time (DT) Signals & Systems Target Audience: Undergraduate engineering students (Electronics, Electrical, Communication, Computer Science), GATE/IES aspirants, and self-learners.

Specific "High-Yield" Topics for Exam Preparation

If you are reading this book for GATE, IES, or University exams, focus specifically on these sections: Signal And System By Tarun Kumar Rawat.pdf

1. System Properties: Practice the examples determining Linearity and Time-Invariance (Question 1.x series in the exercises).
2. Fourier Transform Properties: Specifically the "Duality" and "Convolution" properties.
3. Gibbs Phenomenon: A short but often-asked theory question regarding the overshoot in Fourier series approximations.
4. Paley-Wiener Criterion: Useful for understanding the realizability of filters.
5. Relationship between transforms: The book does a good job mapping the relationship between the Fourier Series Coefficients, Fourier Transform, Laplace Transform (s-plane), and Z-Transform (z-plane).

2. Mathematical Tools (Chapters 3 & 6)

This is often considered the "backbone" of the book. Write-Up: Signal and System by Tarun Kumar Rawat

• Fourier Series: The book excels at explaining the Trigonometric and Exponential Fourier Series. It simplifies the calculation of Fourier coefficients and explains symmetry conditions (Even/Odd/Half-wave) which save time during calculations.
• Fourier Transform: The derivation of the Fourier Transform from the Fourier Series is intuitive. The section on Properties of Fourier Transform (Convolution, Modulation, Time-shifting) is vital. The comprehensive table of transforms at the end of the chapter is a quick reference guide for problem-solving.
• Laplace Transform: It covers the Region of Convergence (ROC) effectively. Understanding ROC is often a stumbling block for students, and Rawat’s graphical representation of poles and zeros is very helpful.

4. Examination-Oriented Pedagogy

Tarun Kumar Rawat’s background as an academician is evident in the book’s layout. Each chapter includes: simple echo filters

• Learning objectives at the start.
• Marginal notes highlighting key formulas.
• Solved problems graduated from simple to complex.
• Multiple-choice questions (MCQs) typical of GATE, IES, and university exams.
• Unsolved exercises with answers at the end of the book.

The sheer volume of practice problems—over 500 across typical editions—makes it invaluable for competitive exam preparation in India.

6. Practical Context and Limitations

The book occasionally references real-world systems: RC circuits, simple echo filters, and AM modulation. However, it focuses less on software implementation (MATLAB/Python) than some modern texts. For a purely conceptual or exam-oriented study, this is a strength; for a project-based course, instructors might supplement with lab manuals.