对于优化设计中出现的尖峰现象、中间频率点的稳定性等问题进行了分析，并给出了解决方法。
Some problems in the optimum design, such as the peaked effect of noise cancellation and the unstability of special frequency, are analysised, and the solving methods are introduced.
文章介绍了高温超导体中的“尖峰效应” ，即临界电流随着磁场增加反而升高的反常现象。
The phenomenon of the peak effect in high temperature superconductors, which is characterized by a fast increase of critical current with increase of magnetic field, is discussed.
观察到随着外驱动力的增大微分电阻出现两个尖峰，它对应着磁通运动存在两次退钉扎现象。
We observed a double peak in the differential resistivity as the driving current increases, which corresponds to a two-step depinning in the vortex motion.
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