【简答题】
系统结构图如图所示,已知传递函数为G(S)=<img src="https://nimg.ppkao.com/2018-09/yuanhao/2018092013424696891.jpg?sign=1ce39f371edd82f0ccf1f2d8cc129574&t=62d1c858" />.今欲用加负反馈的办法,将调整时间t<sub>s</sub>调整为原来的0.1倍,并保证总的放大倍数不变.试确定参数K<sub>h</sub>和K<sub>0</sub>. <img src="https://nimg.ppkao.com/2018-09/yuanhao/2018092013423992508.jpg?sign=c02be7d7dee02501946e838b0cdc2c02&t=62d1c858" />