利用基于滤波X最小均方值算法的前馈型自适应控制系统，对汽车座椅振动实施主动控制，以改善座椅的动态舒适性。
An adaptive controller which contains a filtered-x least mean squares algorithm(FXLMS) was applied to complete the active vibration control of a vehicle seat.
在p型和n型半导体材料之间渡越区中的一个面，在这里施主杂质和受主杂质的浓度相等。
In practical use, an N-type and a P-type are created side by side in the same semi-conductor Crystal, forming a P-N junction.
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