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For studying the influence of notch characteristics on magnetic memory signals, static tension tests on Q235 steel were carried out. The normal component of magnetic flux leakage, Hp(y), were measured by metal magnetic memory testing, and the relationship between the magnetic field values at a fixed point with stress under different loads were studied; carrying ANSYS simulation on double associated...
The sensor design and signal de-noising play an important role on the alternating current field measurement system. Some novel methods are used to optimize the sensor design and perform signal processing. Reduce the size of the sensor's structure and append the magnetic core in the exciting coil. The difference in series circuit is applied in the signal detection. Using the multilevel magnifier, filter...
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