激光大气闪烁的间歇特征
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摘要: 以小波变换法观察了湍流大气中激光光强起伏的间歇特征, 并用奇性测度进行了定量的描述。根据间歇性参量的周日变化规律发现：激光大气闪烁的间歇性存在于所有的时间和起伏条件下，并且保持稳定，间歇性参量约为0.1，基本不随起伏条件和时间变化。Abstract: The intermittency characteristics of laser irradiance scintillation in a turbulent atmosphere were checked qualitatively via the wavelet transformation, and a quantitative description method based on the singularity measure analysis was adopted to study the intermittency in a systematic manner. From the diurnal variation of the intermittency index we found that the intermittercy of laser irradiance is rather stable under different scintillation index.
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