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基于似稳场探测原料中金属物的原理,导出了描述差动检测方式的数学表达式,并对金属信号的产生及其提取作了详细地分析。文中论述了在实际应用中相位设置与金属特性以及检测灵敏度之间的相互关系。
Based on the principle of stable field detection of metal in raw materials, the mathematical expression describing the differential detection method is deduced and the generation of metal signal and its extraction are analyzed in detail. This paper discusses the practical application of phase settings and the relationship between metal properties and detection sensitivity.