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Meridional diurnal tidal winds derived as described by Khattatov et al. this issue] from the high-resolution Doppler imager (HRDI) data are used in the linearized tidal equations to solve for the diurnal tidal oscillations in the zonal and vertical velocity, pressure, temperature, and dissipation in the mesosphere and lower thermosphere. The resulting(More)
We have developed a Fabry-Perot interferometer and image-plane detector system to be used as a receiver for a Doppler lidar. This system incorporates the latest technology in multichannel detectors, and it is an important step toward the development of operational wind profiler systems for the atmosphere (troposphere, stratosphere, and lower mesosphere).(More)
The brightness spectrum of light scattered by the earth's atmosphere in the vicinity of molecular rotational lines is investigated. These absorption features are shown to be Doppler shifted by horizontal atmospheric winds. It is demonstrated that a modest aperture multiple etalon Febry-Perot interferometer can be used to monitor the global wind system from(More)
This study describes a technique and apparatus for converting the circular fringes of a Fabry-Perot interferometer into a linear pattern which can be detected with a conventional linear detector. The conversion from a circular ring pattern at the focus of the objective lens of the interferometer is accomplished using a segment of an internally reflecting(More)
A compact twelve-channel photon-counting device based on existing Generation II imaging technology has been developed for use as the image-plane detector of the Dynamics Explorer Fabry-Perot interferometer. The device has an S-20 photocathode, three-microchannel plate electron multiplication stages, and an equal-area concentric-ring segmented anode whose(More)
The high-resolution Doppler imager (HRDI) instrument on board the upper atmosphere research satellite measures global winds in the mesosphere and lower thermosphere on a day-today b a s i s. The horizontal coverage of the HRDI data is excellent and provides a unique opportunity to study global-scale dynamic phenomenaa however, the local time resolution and(More)