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摘要
In order to study the temporal dynamics of turbulence, the sweep time of our reflectometry has been shortened from 20 to 2 mu s with 1 mu s dead time. Detailed technical aspects of the upgrade are given, namely, about the stability of the ramp generation, the detection setup, and the fast acquisition module. A review of studies (velocity measurement of the turbulence, modifications of the wavenumber spectrum, radial mapping of correlation time, etc.) offered by such improvements is presented.
- 出版日期2010-10
- 单位中国地震局
