专利名称：Signal Processing Technique for a Metal
Detector
发明人：Philip Shane Wahrlich申请号：US14429084申请日：20140424
公开号：US20150219781A1公开日：20150806
专利附图：
摘要：A method for detecting a target in a soil using a metal detector, including:generating a transmit magnetic field for transmission into the soil based on a transmitsignal; receiving a receive magnetic field; providing a receive signal induced by the receive
magnetic field; determining, based on the receive signal, a model of at least twoindependent components of the receive signal which are due to signals from the soil;processing the receive signal to produce a set of data which is with effects of the signalsfrom the soil reduced therein or removed therefrom by fitting the model to the receivesignal, then subtracting the fitted model from the receive signal; and producing, based onthe set of data, an indicator output signal for indicating a presence and/or identity of thetarget.
申请人：Minelab Electronics Pty Limited
地址：Torrensville AU
国籍：AU
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