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Radar system and method for measuring horizontally resolved wind fields in the mesosphere and / or lower thermosphere

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

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.
机译:描述了一种雷达系统和一种用于测量中层和/或较低热层中水平分辨的风场的方法。提供了一种发射器(9),其通过位于中层和/或较低热层测量空间(6)中的发射频率发射雷达信号,至少一个接收器(8),通过反射和/或散射来实现。通过评估雷达的特性和/或在中层层中的反射信号,将雷达信号转换成至少一个形成在测量体积(6)粒子(10、11)中的反射信号,并至少一个控制和评估单元(18)所述的技术方案的特征在于,至少一个第一发射器(9)发射至少一个在测量空间内具有第一发射频率的连续雷达信号(cw信号),并且至少一个第二发射器(如图9所示),其发射具有在测量体积(6)中的第二发射频率的脉冲雷达信号,其中,第二发射频率和第二发射频率相同,并且控制和评估单元(18)签署,以便根据1984年世界大地测量系统(WGS84)进行考虑地球几何形状的评估。

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