Spread spectrum. In telecommunication and radio communication, spread-spectrum techniques are methods by which a signal (e.g., an electrical, electromagnetic, or acoustic signal) generated with a particular bandwidth is deliberately spread in the frequency domain, resulting in a signal with a wider bandwidth.
Lipids are one of the four major groups of organic molecules; the other three being proteins, nucleic acids (DNA), and carbohydrates (sugars). Lipids are made up of the same elements as carbohydrates: carbon, hydrogen, and oxygen.
Lipids are one of the four major groups of organic molecules; the other three being proteins, nucleic acids (DNA), and carbohydrates (sugars). Lipids are made up of the same elements as carbohydrates: carbon, hydrogen, and oxygen.ipids and Fats. 1  What are fats? 2  Fats are composed of a glycerol molecule and three fatty acid molecules. 3  Are all fats bad? 4  No, as a matter of fact, fats are needed by our bodies to be healthy. 5  Types of Fats. 6  There are two main types of fats: saturated fats and unsaturated fats. 7  Saturated Fats-Saturated fats are solids at room temperature. 8  Unsaturat