成考院校在线答案
- 2022-09-12 [多选] <p class="MsoNormal">10、<span style="mso-bidi-font-size:10.5pt;font-family:黑体">属于传感器静态特性指标的是<span lang="EN-US">(<span style="mso-spacerun:yes"> </span>)</span>。<span lang="EN-US"> <o:p></o:p></span></span></p>
- 2022-09-12 [判断] <p class="MsoNormal">17、<span style="font-family:黑体;mso-bidi-font-family:Arial">在实际应用中，随机扰动往往不是单一的。有时既要消除大幅度的脉冲干扰，又要做数据平滑，需要采用中值滤波算法，既能抑制随机干扰，又能滤除明显的脉冲干扰。</span><span lang="EN-US" style="font-family:黑体"> <o:p></o:p></span></p>
- 2022-09-12 [判断] <p class="MsoNormal" style="line-height:18.0pt">13、<span style="mso-bidi-font-size: 10.5pt;font-family:黑体">当某些晶体沿一定方向受外力作用而变形时，其相应的两个相对表面产生极性相反电荷，去掉外力时电荷消失，这种现象称为逆压电效应（<span lang="EN-US"><span style="mso-spacerun:yes"> </span></span>）<span lang="EN-US"> <o:p></o:p></span></span></p>
- 2022-09-12 [判断] <p class="MsoNormal">12、<span style="mso-bidi-font-size:10.5pt;font-family:黑体">测量数据处理的步骤是先判断是否有粗大误差，再判断处理系统误差，最后对数据中的随机误差进行处理，获得测量结果。（<span lang="EN-US"><span style="mso-spacerun:yes"> </span></span>）</span><span lang="EN-US" style="font-family:黑体"> <o:p></o:p></span></p>
- 2022-09-12 [判断] <p class="MsoNormal">16、<span style="font-size:12.0pt;font-family:黑体;mso-bidi-font-family: Arial;mso-font-kerning:0pt">传感器<span lang="EN-US">A</span>采用最小二乘法拟合算得线性度绝对值为<span lang="EN-US">0.8%</span>，传感器<span lang="EN-US">B</span>采用端点连线法算得线性度绝对值为<span lang="EN-US">0.6%</span>，则可以肯定传感器<span lang="EN-US">B</span>的线性度优于传感器<span lang="EN-US">A</span></span><span lang="EN-US" style="font-family:黑体"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal">31、<span style="mso-bidi-font-size:10.5pt;font-family:黑体">数字温度传感器<span lang="EN-US">DS18B20</span>的测温范围是（ <span style="mso-spacerun:yes"> </span>），输出<span lang="EN-US">9-12</span>位数字量。测量温度的最高分辨率为（ <span lang="EN-US"><span style="mso-spacerun:yes"> </span></span>）。<span lang="EN-US"> <o:p></o:p></span></span></p> <p class="MsoNormal" style="text-indent:12.0pt"><span lang="EN-US" style="font-size:11.0pt;mso-bidi-font-size:12.0pt;font-family:黑体;mso-bidi-font-family: "Times New Roman""> <o:p> </o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal">29、<span style="font-family:黑体;mso-bidi-font-family:"Times New Roman"">霍尔元件灵敏度与霍尔常数<span lang="EN-US">R<sub>H</sub></span>成（<span lang="EN-US"><span style="mso-spacerun:yes"> </span></span>） ，而与霍尔片厚度<span lang="EN-US">d</span>成（<span lang="EN-US"><span style="mso-spacerun:yes"> </span></span>）。为了提高灵敏度，霍尔元件常制成（<span lang="EN-US"><span style="mso-spacerun:yes"> </span></span>） 。<span lang="EN-US"> <o:p></o:p></span></span></p>
- 2022-09-12 [单选] <p class="MsoNormal" align="left" style="text-align:left;mso-pagination:widow-orphan; background:#F8F8F8">26、<span style="mso-bidi-font-size:10.5pt;font-family:黑体; mso-bidi-font-family:Arial;color:black;mso-color-alt:windowtext;mso-font-kerning: 0pt">一般情况下，要求热敏电阻式传感器的热敏电阻与被测温度之间</span><span lang="EN-US" style="mso-bidi-font-size: 10.5pt;font-family:黑体;mso-bidi-font-family:"Times New Roman";color:black; mso-color-alt:windowtext;mso-font-kerning:0pt">(</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;font-family:"Calibri",sans-serif;mso-fareast-font-family: 黑体;color:black;mso-color-alt:windowtext;mso-font-kerning:0pt"> </span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;font-family:黑体;mso-bidi-font-family: "Times New Roman";color:black;mso-color-alt:windowtext;mso-font-kerning:0pt"> ) </span><span style="mso-bidi-font-size:10.5pt;font-family:黑体;mso-bidi-font-family: "Times New Roman";color:black;mso-color-alt:windowtext;mso-font-kerning:0pt">。</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;font-family:黑体;mso-bidi-font-family: Arial;mso-font-kerning:0pt"> <o:p></o:p></span></p> <p class="MsoNormal" align="left" style="text-align:left;mso-pagination:widow-orphan; background:#F8F8F8"><span lang="EN-US" style="mso-bidi-font-size:10.5pt; font-family:黑体"> <o:p> </o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal" align="left" style="text-align:left;mso-pagination:widow-orphan; background:#F8F8F8">27、<span style="mso-bidi-font-size:10.5pt;font-family:黑体; mso-bidi-font-family:Arial;color:black;mso-color-alt:windowtext;mso-font-kerning: 0pt">在城市污水处理系统中，潜水泵作为执行元件，可采用（</span><span lang="EN-US" style="mso-bidi-font-size: 10.5pt;font-family:"Calibri",sans-serif;mso-fareast-font-family:黑体; color:black;mso-color-alt:windowtext;mso-font-kerning:0pt"> </span><span style="mso-bidi-font-size:10.5pt;font-family:黑体;mso-bidi-font-family:Arial; color:black;mso-color-alt:windowtext;mso-font-kerning:0pt">）来检测电机<span class="GramE">定子室</span>的密封性能，一旦泄漏水位达到上限阈值，继电器动作，切断电源。</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;font-family:黑体;mso-bidi-font-family:Arial; mso-font-kerning:0pt"> <o:p></o:p></span></p> <p class="MsoNormal" align="left" style="text-align:left;mso-pagination:widow-orphan; background:#F8F8F8"><span lang="EN-US" style="mso-bidi-font-size:10.5pt; font-family:"Calibri",sans-serif;mso-fareast-font-family:黑体;color:black; mso-color-alt:windowtext;mso-font-kerning:0pt"> </span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;font-family:黑体;mso-bidi-font-family: Arial;mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal">22、<span style="mso-bidi-font-size:10.5pt;font-family:黑体">测量烘烤箱的温度（<span lang="EN-US">0-299</span>℃），采用（ <span lang="EN-US"><span style="mso-spacerun:yes"> </span></span>）<span lang="EN-US"> <o:p></o:p></span></span></p>