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MAGNETIC FIELD SENSOR WITH COMPENSATION OF A STATIC MAGNETIC FIELD TO AVOID SATURATION OF THE SENSOR, AND METHOD FOR COMPENSATION OF ENVIRONMENTAL MAGNETIC NOISE USING SUCH A SENSOR
MAGNETIC FIELD SENSOR WITH COMPENSATION OF A STATIC MAGNETIC FIELD TO AVOID SATURATION OF THE SENSOR, AND METHOD FOR COMPENSATION OF ENVIRONMENTAL MAGNETIC NOISE USING SUCH A SENSOR
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机译：具有静态磁场补偿以防止传感器饱和的磁场传感器，以及利用这种传感器补偿环境磁噪声的方法
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摘要
Magnetic field sensor, in particular for measuring magnetic noise fields caused by environmental magnetic noise in combination with an MRI apparatus, the said magnetic field sensor being further provided with a field compensation coils assembly (200) and with a compensation circuit driving the said field compensation coils assembly (200) to generate a magnetic field compensating the static magnetic field dissipating outside from the static magnetic field generator or from the gantry of the MRI apparatus at the position of the magnetic sensor.;Further embodiments of a method for operating said magnetic field sensor and a method and a system for the compensation of magnetic noise caused by environmental noise are provided.An MRI apparatus is also disclosed comprising such a system and carrying out such a method for compensating magnetic noise fields.
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