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Radar system and method for measuring horizontally resolved wind fields in the mesosphere and / or lower thermosphere
Radar system and method for measuring horizontally resolved wind fields in the mesosphere and / or lower thermosphere
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机译:用于测量中层和/或较低热层中水平分辨风场的雷达系统和方法
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摘要
Described is a radar system and a method for measuring horizontally resolved wind fields in the mesosphere and / or lower thermosphere. Provided are a transmitter (9), which emits a radar signal with a transmission frequency in a lying in the mesosphere and / or lower thermosphere measurement volume (6), at least one receiver (8), a by reflection and / or scattering of the radar signal to at least a reflection signal formed in the measuring volume (6) particles (10, 11) receives and at least one control and evaluation unit (18) by evaluating properties of the radar and / or the reflection signal in the mesosphere and / or the lower Thermosphäre The described technical solution is characterized in that at least one first transmitter (9), which emits a continuous radar signal (cw signal) with a first transmission frequency in the measurement volume, and at least one second transmitter ( 9), which emits a pulsed radar signal with a second transmission frequency in the measuring volume (6) are provided, wherein the e rste and the second transmission frequency are the same and that the control and evaluation unit (18) is designed such that the evaluation taking into account the earth geometry according to World Geodetic System 1984 (WGS84) takes place.
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