【单选题】【消耗次数：1】
采用负反馈形式连接后，则?(????)?
①
一定能使闭环系统稳定；?
②
系统动态性能一定会提高；
③
一定能使干扰引起的误差逐渐减小，最后完全消除；
④
需要调整系统的结构参数，才能改善系统性能。
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相关题目
【单选题】
采用负反馈形式连接后，则( )
①
系统动态性能一定会提高；
②
一定能使闭环系统稳定；
③
需要调整系统的结构参数，才能改善系统性能。
④
一定能使干扰引起的误差逐渐减小，最后完全消除；
【单选题】
采用负反馈形式连接后，则（）
①
一定能使闭环系统稳定；
②
系统动态性能一定会提高；
③
一定能使干扰引起的误差逐渐减小，最后完全消除；
④
需要调整系统的结构参数，才能改善系统性能。
【单选题】
判断一个系统性能的根据是？
①
目标明确，结构清楚，接口合理，能控能观
②
目标明确，结构合理，接口清楚，能观能控
③
目标一致，结构耦合，接口内聚，能控能观
④
目标一致，结构内聚，接口耦合，能观能控
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