In this chapter, we've examined signals, noise, and various modulated signals in the time, frequency, zero crossing, and phasor domains. As we move on to new material, we will find all of these expressions useful and necessary to explore fully the topics to come.

Chapter Contents:

• 2.1 Introduction
• 2.2 A Real-Valued, Ideal Cosine Wave
• 2.3 Single-Sided Spectra and Complex Basebanding
• 2.4 Two Noiseless Sine Waves
• 2.5 Band-Limited Additive White Gaussian Noise
• 2.6 An Ideal Sine Wave and Band-Limited AWGN
• 2.7 The Quadrature Modulator
• 2.8 Analog Modulation
• 2.9 Digital Modulation
• 2.10 Quadrature Modulators, Baseband Filtering, and Spectrum Control
• 2.11 General Characteristics of Signals
• 2.12 Summary
• 2.13 Bibliography
• 2.14 Problems

Inspec keywords: frequency-domain analysis; time-domain analysis; modulation; signal processing

Other keywords: noise; signal modulation; time domain analysis; zero crossing domain analysis; frequency domain analysis; phasor domain analysis

Subjects: Mathematical analysis; Modulation and coding methods; Mathematical analysis; Signal processing and detection; Signal processing theory