2 How Does Remote Sensing Work?
This chapter examines how remote sensing works, starting with the principles, followed by an explanation of what the sensors measure and how this links to the electromagnetic (EM) spectrum. It concludes by reviewing spatial, spectral, and temporal resolution. Although Chapter 1 highlighted that remote sensing can be undertaken in many ways, in this book, we’re going to focus on satellite remote sensing as this is the most common type of data available to everyone.
2.1 Principles of Satellite Remote Sensing
Satellite remote sensing is primarily undertaken by sensors onboard satellites that orbit around the Earth, although there have also been instruments onboard the International ...
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