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本文通过测试及理论推导,在对放大器的输入阴抗和检波器的输出阻抗这两个基本物理量作出正确认识的基础上,重点对检波器在不同联结方式下的振动特性进行了分析,并对“饱和”以及表征检波器——放大器电压传输特性的H(f)参数重新进行了探讨。文中给出的一系列检波器振动特性曲线,为野外检波器联结方案的选择提供了依据。
Based on the correct understanding of the two fundamental physical quantities of the input impedance of the amplifier and the output impedance of the detector, this paper analyzes the vibration characteristics of the detector in different connection modes by testing and theoretical derivation. The “saturation” and H (f) parameters that characterize the detector-amplifier voltage transfer characteristics are revisited. A series of detector vibration characteristic curves given in this paper provide the basis for the selection of field detector coupling scheme.