Compared to classical vector cancellation method, a wide band and multi-point carrier feed-through nulling using digital signal process method is given by analysis of the method and system structure.

• 笔者分析和建立矿区资源环境承载力评价指标体系及结构,运用矢量投影原理,建立了矿区资源环境承载力评价的多指标投影评价模型。