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Aerospace Sensors by Alexander Nebylov

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CHAPTER 3

RADAR ALTIMETERS

Alexander V. Nebylov

St. Petersburg State University of Aerospace Instrumentation

St. Petersburg, Russia

Felix J. Yanovsky

National Aviation University

Kiev, Ukraine

3.1 INTRODUCTION

3.1.1 Definitions

Altitude is one of the prime parameters for any flying vehicle such as an aircraft, spacecraft, or missile. A crew or a control system needs information about altitude with respect to the ground level over the entire flight. Altimetry is the art of measuring altitude, and an altimeter is a sensor that measures the altitude of a flying vehicle. Normally, an altimeter can also serve as a source of information about the vertical speed of a flying vehicle. Hence, an altimeter is one of the necessary sensors forming the ...

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