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SYSTEM AND METHOD FOR THE SUPPRESSION OF LOW-FREQUENCY NOISE FROM MAGNETORESISTIVE SENSORS WITH TUNNEL MAGNETORESISTANCE
SYSTEM AND METHOD FOR THE SUPPRESSION OF LOW-FREQUENCY NOISE FROM MAGNETORESISTIVE SENSORS WITH TUNNEL MAGNETORESISTANCE
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机译:带有隧道磁阻的磁阻传感器抑制低频噪声的系统和方法
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摘要
A system for suppressing low frequency noise of magnetoresistive sensors, includes a device for measuring a magnetic field, the device including at least one magnetoresistive sensor, the magnetoresistive sensor having a first sensitivity at a first operating point and a second sensitivity at a second operating point, the sensitivity at the second operating point being low or zero; a modulator configured to switch the at least one magnetoresistive sensor from the first operating point to the second operating point; and a signal processor for processing the signal derived from the device for measuring a magnetic field.
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