An Autoranging Balloon Altimeter: A Single Pressure Transducer Monitors Altitude from 0to 44 Kilometers with 30Meters Resolution.

摘要

This report documents a method of determining altitude based on the atmospheric pressure using the U.S. Standard Atmosphere, 1976 to model the pressure vs altitude profile. A precision pressure transducer facilitates the design, which is described in increasing levels of completeness from the basic block diagram to 'as built' schematics and pictures. The design algorithm, supporting firmware and software, is presented and explained. Test results confirm the design calculations and validate the altimeter's accuracy and resolution. (Author)