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查看全部 7,338 份 →状态1：正常时
状态1：正常时，8个LED发光二极管（彩灯）循环点亮。 • 状态2：有报警时，蜂鸣器发出报警声（用P3.3接一个按键，模拟产生报警信号。当开关合上，发生报警；当开关断开，报警停止。用P3.7输出音频信号驱动扬声器，作为报警信号）...
2016-10-07
74
Introduction to the Mathematical Theory 1
The purpose of this preface is twofold. Firstly, to give an informal historical introduction to the subject area of this...
2020-06-10
1
1 Seismic response control using electromagnetic
This paper presents a new type of electromagnetic damper with rotating inertial mass that has been devel oped to con...
2021-11-04