如何在simulink中设计一个时变电阻

https://www.ilovematlab.com/thread-540165-1-1.html

https://www.ilovematlab.cn/thread-544446-1-1.html

https://www.ilovematlab.cn/thread-603515-1-1.html

https://blog.csdn.net/u012084226/article/details/108937513

https://www.zhihu.com/question/31813824