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针对用于模式识别研究的样本和样本指标的数量、类别等对识别结果的影响及对研究的适用性,给出了样本和样本指标的筛选原则及方法,建立了权指标模型和多因素增量模型。实例应用情况表明:该识别模型对于研究滨海地区地下水渗流场特征和补给关系具有避免过多主、客观因素干扰,便于程序实现的特点,计算过程清晰、结果明确。
According to the influence of the number and category of sample and sample index used in pattern recognition research on the recognition result and its applicability to the research, the principles and methods of screening sample and sample index are given, and the weight index model and multi-factor increase Quantity model. The application of the example shows that the identification model has the characteristics of avoiding the interference of the main and objective factors and the realization of the program, and the calculation process is clear and the result is clear for studying the characteristics and replenishment relations of groundwater seepage field in the coastal area.