Prominent among the various techniques that can help to extrapolate past date into future trends are the following:time series, least squares method, exponential smoothing, regression and correlation.
由历史数据推测未来趋势的众多方法中较突出的有：时间序列法、最小平方法、指数平滑法、回归分析和相关分析。
The maximum entropy method is adopted to extrapolate data, and ISAR image is obtained based on this.
利用最大熵谱估计的方法对四种飞机目标数据进行外推处理，并在此基础上进行逆合成孔径成像。
The maximum entropy method is adopted to extrapolate data, and ISAR image is obtained based on this.
利用最大熵谱估计的方法对四种飞机目标数据进行外推处理，并在此基础上进行逆合成孔径成像。
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