NASA NTRS · 19800007121
Pressure Modulator Radiometer (PMR) tests
Abstract
The pressure modulator technique was evaluated for monitoring pollutant gases in the Earth's atmosphere of altitude levels corresponding to the mid and lower troposphere. Using an experimental set up and a 110 cm sample cell, pressure modulator output signals resulting from a range of gas concentrations in the sample cell were examined. Then a 20 cm sample cell was modified so that trace gas properties in the atmosphere could be simulated in the laboratory. These gas properties were measured using an infrared sensor.
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Odell, E. L. G., Cosmi, F. M., Kreft, A. E., Racette, G. W., Maresca, T. J., Pancoast, F. O., Rutecki, D. J., Yager, W. C.. 1979-09-25. Pressure Modulator Radiometer (PMR) tests. https://ntrs.nasa.gov/citations/19800007121
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