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## A book about waves

I wrote a book that teaches the basics of waves and signals. It is intended for people who never studied much maths at school or who find the subject difficult to understand. It starts at the very beginning with definitions of Sine and Cosine, and progresses from there.

Download part 1: here [63 MB PDF. Last edited on 13th September 2021]

Part 2 will be completed later.

The contents of the book are as follows:

Chapter 1: Triangles, circles, and sine and cosine

Chapter 2: More complicated aspects of triangles and circles

Chapter 3: Angle-based waves

Chapter 4: Time-based waves

Chapter 5: Amplitude

Chapter 6: Frequency

Chapter 7: Phase

Chapter 8: Mean levels

Chapter 9: Wave formulas

Chapter 10: Terminology

Chapter 11: More about frequency

Chapter 12: Creating a circle from a wave

Chapter 13: Addition with waves

Chapter 14: Addition with circles

Chapter 15: The frequency domain

Chapter 16: Multiplication with waves

Chapter 17: Multiplication with circles

Chapter 18: Finding constituent waves in a signal (Fourier series analysis)

Chapter 19: Aperiodic signals - signals that do not repeat

Chapter 20: The number Pi

Chapter 21: Radians and other angle systems

Chapter 22: Complex numbers

Chapter 23: Complex numbers and waves

Chapter 24: Powers of i

Chapter 25: An explanation of exponentials

Chapter 26: The number e

Chapter 27: Waves in terms of exponentials

Chapter 28: e and i in more depth

Chapter 29: An explanation of basic calculus

[Contact]

Download part 1: here [63 MB PDF. Last edited on 13th September 2021]

Part 2 will be completed later.

The contents of the book are as follows:

Chapter 1: Triangles, circles, and sine and cosine

Chapter 2: More complicated aspects of triangles and circles

Chapter 3: Angle-based waves

Chapter 4: Time-based waves

Chapter 5: Amplitude

Chapter 6: Frequency

Chapter 7: Phase

Chapter 8: Mean levels

Chapter 9: Wave formulas

Chapter 10: Terminology

Chapter 11: More about frequency

Chapter 12: Creating a circle from a wave

Chapter 13: Addition with waves

Chapter 14: Addition with circles

Chapter 15: The frequency domain

Chapter 16: Multiplication with waves

Chapter 17: Multiplication with circles

Chapter 18: Finding constituent waves in a signal (Fourier series analysis)

Chapter 19: Aperiodic signals - signals that do not repeat

Chapter 20: The number Pi

Chapter 21: Radians and other angle systems

Chapter 22: Complex numbers

Chapter 23: Complex numbers and waves

Chapter 24: Powers of i

Chapter 25: An explanation of exponentials

Chapter 26: The number e

Chapter 27: Waves in terms of exponentials

Chapter 28: e and i in more depth

Chapter 29: An explanation of basic calculus

[Contact]