根据实验结果，利用电磁学理论，分析了由于裂纹尖端电荷的加速运动所激发的电磁场强度及其频谱特性。
Based on the electromagnetic theory the relation between the acceleration movement of electric charge in the crack tip end, the value of electromagnetic field and the spectrum are analyzed.
进行了横向磁场的方向及激光器的偏振特性的实验研究。
The direction of the magnetic field and the polarization property of the laser were tested.
对磁敏电阻的阻值随其在磁场中的角度位置变化而改变这一特性进行了实验研究。
The research is based on properties of magnetoresistor, whose resistance varies with the angle position in the magnetic field.
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