Title :
Satellite-to-Satellite Range-Rate Measurement
Author :
Macarthur, John L. ; Posner, Allan S.
Author_Institution :
Johns Hopkins University, Applied Physics Laboratory, Laurel, MD 20707
fDate :
7/1/1985 12:00:00 AM
Abstract :
The measurement of range rate between two low-orbiting spacecraft with a precision of better than 1 ¿m/s provides a means for sensing global gravity variability. An analysis is given to show the conditions under which this precision can be realized, with emphasis on the requirements of NASA´s Geopotential Research Mission. Experimental results obtained with a millimeter-wave demonstration system are presented along with a proposed design for a spaceborne instrument.
Keywords :
Frequency domain analysis; Frequency measurement; Gravity; Instruments; Local oscillators; Millimeter wave measurements; Millimeter wave technology; Space vehicles; Stability analysis; Time measurement;
Journal_Title :
Geoscience and Remote Sensing, IEEE Transactions on
DOI :
10.1109/TGRS.1985.289443
