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建立了Ａ／Ｄ转换器的传递函数及误差的数学模型，在该数学模型的基础上，仿真分析了模拟数字混合采样算法功率测量各种情况下的误差，使对该种采样方法的误差特性有了深入全面的认识。本文的结论对设计该类仪器的误差估计具有指导作用。
The mathematical model of transfer function and error of A / D converter is established. Based on the mathematical model, the error of power measurement in analog digital mixed sampling algorithm is simulated and the error characteristics of the sampling method are analyzed. Have a thorough and comprehensive understanding. The conclusion of this paper is instructive in designing the error estimation of this kind of instrument.