The characteristics of low light level (LLL) image were analyzed in aspects of imaging process gray level distribution and correlativity of picture element in space and time of LLL image.
从微光图像的成像过程、灰度分布和像素空间与时间相关性等几个方面对微光图像特征作较系统的分析。
Many pestilences broke out during that period and demonstrated some characteristics in the aspects of time and space distribution.
空间分布上呈现出南方比北方多，东部比西部多的特征。
Then, it analyses the reasons for the changes of the flow distribution, focuses on the time-space distribution characteristics and change rules of the network passenger flow.
然后，分析了网络化下客流分布变化的原因，着重研究了网络客流分布的时空特征和变化规律。
Based on the 1961-2000 observational data of 11 weather stations in Chaidamu Basin, the time-space distribution characteristics of sandstorm weather in Chaidamu Basin are analyzed.
利用196 1 ~ 2 0 0 0年柴达木盆地11个气象站的沙尘暴观测资料，分析了柴达木盆地沙尘暴天气的时空分布特征。
Based on the 1961-2000 observational data of 11 weather stations in Chaidamu Basin, the time-space distribution characteristics of sandstorm weather in Chaidamu Basin are analyzed.
利用196 1 ~ 2 0 0 0年柴达木盆地11个气象站的沙尘暴观测资料，分析了柴达木盆地沙尘暴天气的时空分布特征。
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