非单位负反馈系统,其前向通道传递函数为G(S),反馈通道传递函数为H(S),当输入信号为R(S),则从输入端定义的误差E(S)为 ( ) -题库考试答案搜索网

非单位负反馈系统,其前向通道传递函数为G(S),反馈通道传递函数为H(S),当输入信号为R(S),则从输入端定义的误差E(S)为 ( )

单选题

2022-04-02 18:17

A、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1488176486275602d96c1dbd84c7587e1af294cb644aaimage42.png">
B、、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1488176486311b0e881090a1b4fbba1ea2bd522fe4afaimage43.png">
C、、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/14881764863656c4f306a920845d98ec4d39fa67fcdd6image44.png">
D、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1488176486413adeeede5a0434eb19e371732eec01f34image45.png">

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试题解析

标签：桂林理工大学机电一体化技术高起专电气控制技术

感兴趣题目

系统论、信息论、控制论是机电一体化技术的理论基础，是机电一体化技术的方法论。

非单位负反馈系统,其前向通道传递函数为G(S),反馈通道传递函数为H(S),当输入信号为R(S),则从输入端定义的误差E(S)为 ( )

（）shall be liable for loss of and damage to the Vessel and／or goods arising or resulting from inaccuracies in stating the description，quantity，weight，measurement or contents.

Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo，without the authorization or privity of the Shipowner or his agent，is（）.

（）, or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.

A salvor may be（）the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.

The （） is used for hauling in or letting out the wires or ropes.

Vessels must be（）valid certificate of nationality or certificated of registry or license.

When loading or discharging dry mud or cement，crew members should use goggles and（）.

Effects which are dutiable or subject to prohibitions or restrictions should be declared in （）.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。