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    资料大?。?/em> 333

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    上传日期: 2009-05-18

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    Angle measurement is frequently required in both automotive and industrial applications. Contactless methods
    have the advantage that they are free of wear. If a magnetic field acts as the transmitter between the physical
    value to be measured and the actual sensor, the magnetic system and the signal conditioning electronics can be
    encapsulated separately making such systems robust against dirt, dust and liquid as well as mechanical
    destruction. Among this class of measurement systems, those using the magnetoresistive effect (MR effect) are
    characterised by the additional feature that they evaluate the direction of the magnetic field and not the field
    strength. Therefore MR based systems tolerate variations in field strength caused by ageing or temperaturesensitivity
    of the magnet as well as mechanical tolerances. This recommends MR based systems for applications
    where robust, precise, and also cost-efficient solutions are required.


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