Systems

Introduction The Fourier Transform is a mathematical technique that transforms a time-domain signal into its frequency-domain...

Introduction Essentially, signals are functions that can be classified into different categories. A signal can be either...

Overview In this series of articles, we considered PCM (Pulse Code Modulation) as a method of digital representation of an...

In the previous articles about A/D conversion, we considered the concepts of ‘sampling’, ‘quantization’, and ‘binary...

Converting Digital Data To Analog Signals In the previous parts of the article, we considered how to convert an analog signal to...

Introduction In the first part of this article, we considered the two main stages of a PCM (Pulse Code Modulation) system as the...

INTRODUCTION - Converting Continuous Signals To Discrete By definition, an analog signal changes continuously over time and it...

Introduction In the first part of the “Fourier Analysis” article, we have focused on the properties and usages of the...

Introduction This subject was first assumed by Isaac Newton about 400 years ago. Newton showed that white light is composed of...

What is a Signal? One of the definitions of 'signal' in the Merriam-Webster dictionary is: "A detectable physical quantity or...