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    • 8. 发明申请
    • ELECTROMAGNETIC PROXIMITY DETECTION METHOD AND UNIT
    • 电磁近距离检测方法和装置
    • WO2011104314A3
    • 2012-01-26
    • PCT/EP2011052769
    • 2011-02-24
    • LEICA GEOSYSTEMS AGBRANSON SIMONWANG PING
    • BRANSON SIMONWANG PING
    • G01V3/15
    • G01V3/15
    • An electromagnetic proximity detection method for a buried structure (5/10), executed with a mobile detection device (1), by the steps of sensing an electromagnetic field (7/12) emitted from the structure (5/10) as an analog electrical signal and digitalizing the analog electrical signal as a digital signal, is presented. The proximity of the buried structure by analysing the digital signal is executed, wherein the detection method can be alternatively executed in at least two of the following, selectable, modes of detection: ° Power-Mode of detection, ° Radio-Mode of detection or ° Active-Mode of detection. The method is characterized by an additional Switching -Mode of operation wherein a repeated sequential detection in at least two of the mentioned modes of detection is done by automatic subsequent alternating of the mode of detection with such a minimum rate of alternation that an area of detection (2) is coverable by the at least two modes of detection in a single execution of the detection method.
    • 一种用于通过移动检测装置(1)执行的用于掩埋结构(5/10)的电磁接近检测方法,所述方法包括以下步骤:感测从结构(5/10)发射的电磁场(7/12)作为模拟 提出了电信号和数字化模拟电信号作为数字信号。 执行通过分析数字信号的掩埋结构的接近度,其中可以以下列可选择的检测模式中的至少两个方式执行检测方法:检测的功率模式,°检测的无线电模式或 °主动检测模式。 该方法的特征在于附加的切换操作模式,其中在至少两个所述检测模式中的重复顺序检测是通过自动随后的检测模式的交替以这样的最小交替速率进行的,即检测区域 (2)可以在检测方法的单次执行中被至少两种检测模式覆盖。