20春学期《控制系统 Simulink 仿真》在线平时作业3

adminhan

<font face="Arial">使用命令行set_param(&rsquo;obj&rsquo;,&rsquo;parameter&rsquo;)，其功能描述为</font>
A:设置系统模型以及模块参数。
B:添加系统模型以及模块参数。
C:获取系统模型以及模块参数。
D:删除系统模型以及模块参数。

<p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class="p0"><span style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">模块参数的设置方式有几种</span></p><!--EndFragment-->
A:2
B:3
C:5
D:4

<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'">一个混合系统中包括连续状态与离散状态，而且离散信号的采样时间各不相同。在系统仿真时应该使用何种</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman','serif'; mso-fareast-font-family: 宋体; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">Simulink</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'">求解器？</span>
A:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'">连续定步长求解器</span>
B:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'">离散定步长求解器</span>
C:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'">连续变步长求解器</span>
D:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'">离散变步长求解器</span>

<p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class="p0"><span style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">能够完成信号组合的系统模块是</span></p><!--EndFragment-->
A:<p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class="p0"><span style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">MUX</span></p><!--EndFragment-->
B:<p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class="p0"><span style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">BUS&nbsp;selector</span></p><!--EndFragment-->
C:<p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class="p0"><span style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">Demux</span></p><!--EndFragment-->
D:<p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class="p0"><span style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">BUS&nbsp;Creator</span></p><!--EndFragment-->

<font face="Arial">以下哪项工作，并不是仿真的初始化阶段完成的？</font>
A:传递参数给MATLAB求值。
B:展开模型的层次，每个子系统被它们所包含的块替代。
C:对状态积分。
D:确定状态初值和采样时间。

<font face="Arial">使用命令行close_system(&lsquo;sys&rsquo;)，其功能描述为</font>
A:建立一个新的Simulink系统模型。
B:打开一个已存在的Simulink系统模型。
C:保存一个Simulink系统模型。
D:关闭一个Simulink系统模型。

<p><font face="Arial">下图所示的子系统属于：</font></p><p><img height="85" width="130" alt="" src="http://file.open.com.cn/ItemDB/106725/765f4105-93af-4b6d-bbe6-e186fff537bd/2012323165430878.jpg" /></p>
A:使能子系统
B:触发子系统
C:函数调用子系统
D:通用子系统

<p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class="p0"><span style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">积分器主要用来实现哪种运算</span></p><!--EndFragment-->
A:积分
B:微分
C:比例
D:保持

<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'">过零信号不包括以下哪种类型？</span>
A:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'">低电平</span>
B:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'">上升沿</span>
C:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'">下降沿</span>
D:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'">双边沿</span>

<p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class="p0"><span style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">信号标签的传递方法有几种</span></p><!--EndFragment-->
A:1
B:2
C:3
D:4

<p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class="p0"><span style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">微分方程的不同数值求解方法对应着不同的连续求解器</span></p><!--EndFragment-->
A:错误
B:正确

<p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class="p0"><span style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">plot(x<font face="宋体">，</font><font face="Times New Roman">y</font><font face="宋体">，</font><font face="Times New Roman">z)</font><font face="宋体">是用来绘制二维图形的</font></span></p><!--EndFragment-->
A:错误
B:正确

<p style="MARGIN-TOP: 0pt; TEXT-INDENT: -21pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 21pt" class="p0"><span style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">用以描述系统状态变化过程的数学模型称为动态模型。</span><span style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></span></p><!--EndFragment-->
A:错误
B:正确

<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-bidi-font-family: 'Times New Roman'; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">一个结构体系完整的</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman','serif'; mso-fareast-font-family: 宋体; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">S-</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-bidi-font-family: 'Times New Roman'; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">函数包含了描述动态系统所需的全部能力。</span>
A:错误
B:正确

<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-bidi-font-family: 'Times New Roman'; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">在使用代数约束模块时，</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman','serif'; mso-fareast-font-family: 宋体; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">Simulink</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-bidi-font-family: 'Times New Roman'; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">使用牛顿迭代法求解代数环。因此总能得到正确的结果。</span>
A:错误
B:正确

<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-bidi-font-family: 'Times New Roman'; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">除了输入输出数据外，</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman','serif'; mso-fareast-font-family: 宋体; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">S-</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-bidi-font-family: 'Times New Roman'; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">函数还经常用到的内部数据有：连续状态，离散状态，状态导数，工作向量。</span>
A:错误
B:正确

<p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class="p0"><span style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">系统模型中模块的名称应该是唯一的</span></p><!--EndFragment-->
A:错误
B:正确

<p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class="p0"><span style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">Simlink<font face="宋体">中的公共模块库共包含</font><font face="Times New Roman">16</font><font face="宋体">个模块库</font></span></p><!--EndFragment-->
A:错误
B:正确

<p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class="p0"><span style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">合理的设置积分误差限和仿真步长，可以获得更好的仿真效果</span></p><!--EndFragment-->
A:错误
B:正确

<p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class="p0"><span style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">系统的数学模型按照输入和输出关系可分为确定性模型和随机性模型</span></p><!--EndFragment-->
A:错误
B:正确