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SYSTEM AND METHOD FOR MAGNETIC ASSESMENT OF BODY IRON STORES
SYSTEM AND METHOD FOR MAGNETIC ASSESMENT OF BODY IRON STORES
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机译:人体铁商店磁评估的系统和方法
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摘要
A system for magnetic assessment of body iron stores includes excitation coils adapted to generate multiple-frequency alternating current (AC) magnetic fields and to partially magnetically saturate iron. The system further includes one or more detection coils adapted to detect the AC magnetic fields. A signal processor uses lock- in amplifiers and linear regression to measures changes to the multiple-frequency AC magnetic fields caused by proximity to iron. A method for magnetic assessment of body iron stores includes generating multiple-frequency AC magnetic fields and detecting changes to the AC magnetic fields caused by proximity to iron. The method further includes partially magnetically saturating iron, thereby generating non- linear responses, harmonic frequencies, and intermodulation frequencies.
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