mean anomaly

A traffic anomaly detection algorithm based on steady model is proposed. Both weighted mean value and variance statistics method are used to build and update the steady model. Furthermore ROC curve method is used to assess performance.

提出了一种基于稳态模型的流异常检测算法，采用加权均值和方差计算相结合的统计学方法对网络流量稳态模型进行建模和更新，并使用ROC曲线进行异常检测模型的性能评估。

The average mean square error of height anomaly is ± 0.173 m in three areas.

3个地区高程异常中误差平均值为±0.173m。

The orbit determination of visual binary star with mean anomaly

从平近点角决定目视双星轨道要素T和P的一种方法

In 1970-2008 periods, annual mean evaporation and temporal series showed weak correlation. Annual mean evaporation changed from plus anomaly year to minus anomaly year.

1970年至2008年期间，年蒸发距平与时间序列弱相关，目前年均蒸发由正距平年逐渐转为负距平年。

To describe the nature of hemispherical monthly mean geopotential height fields, several circulation indices, such as intensity of climate fields I c, intensity of climate anomaly fields I a, instability of climate fields I us, are defined.

给出了表征半球月平均位势高度场性质的若干环流指数：气候场强度Ic、气候异常场平均强度Ia、气候场不稳定度Ius。