error variance

基本解释

Non-constant error variance or heteroscedasticity
非常量误差方差或异方差性
Using this algorithm based on data fusion, the problem in accuracy of measurement data from trajectories of vehicle is solved well, and the error variance is lowered about 9%.
提出的基于数据融合的这一算法较好地解决了火箭飞行弹道测量数据处理精度的问题，误差方差改善了近9%。
According to the homogeneity test for error variance on total-effect random model with three factors in double repeated experiment, the specific formulae of test statistics and test rule are deduced.
研究两次重复试验三因子全效应随机模型误差方差的齐性检验问题，推导了检验统计量和检验规则的具体表达式。