mso-char-indent-count:-9.4500;mso-pagination:widow-orphan;line-height:150%;"><span style="mso-spacerun:´yes´;font-family:仿宋_GB2312;line-height:150%;
font-size:14.0000pt;mso-font-kerning:1.0000pt;"> </span><span style="mso-spacerun:´yes´;font-family:仿宋_GB2312;mso-bidi-font-family:宋体;
line-height:150%;mso-bidi-font-weight:bold;font-size:14.0000pt;
mso-font-kerning:0.0000pt;"><font face="仿宋_GB2312">项目要求：</font><font face="Times New Roman">a</font><font face="仿宋_GB2312">、四位数字显示，测量频率范围为</font><font face="Times New Roman">1Hz~10KHz</font><font face="仿宋_GB2312">；</font></span><span style="mso-spacerun:´yes´;font-family:仿宋_GB2312;mso-bidi-font-family:宋体;
line-height:150%;mso-bidi-font-weight:bold;font-size:14.0000pt;
mso-font-kerning:0.0000pt;"><o:p></o:p></span></p><p class="MsoNormal" style="margin-left:139.3500pt;mso-para-margin-left:0.6700gd;text-indent:-132.3000pt;
mso-char-indent-count:-9.4500;mso-pagination:widow-orphan;line-height:150%;"><span style="mso-spacerun:´yes´;font-family:仿宋_GB2312;mso-bidi-font-family:宋体;
line-height:150%;mso-bidi-font-weight:bold;font-size:14.0000pt;
mso-font-kerning:0.0000pt;"> <font face="Times New Roman">b</font><font face="仿宋_GB2312">、可进行累加计数，可测量正弦信号和脉冲信号；</font></span><span style="mso-spacerun:´yes´;font-family:仿宋_GB2312;mso-bidi-font-family:宋体;
line-height:150%;mso-bidi-font-weight:bold;font-size:14.0000pt;
mso-font-kerning:0.0000pt;"><o:p></o:p></span></p><p class="MsoNormal" style="margin-left:139.3500pt;mso-para-margin-left:0.6700gd;text-indent:-132.3000pt;
mso-char-indent-count:-9.4500;mso-pagination:widow-orphan;line-height:150%;"><span style="mso-spacerun:´yes´;font-family:仿宋_GB2312;mso-bidi-font-family:宋体;
line-height:150%;mso-bidi-font-weight:bold;font-size:14.0000pt;
mso-font-kerning:0.0000pt;"> <font face="Times New Roman">c</font><font face="仿宋_GB2312">、手动清零、手动测量；</font></span><span style="mso-spacerun:´yes´;font-family:仿宋_GB2312;mso-bidi-font-family:宋体;
line-height:150%;mso-bidi-font-weight:bold;font-size:14.0000pt;
mso-font-kerning:0.0000pt;"><o:p></o:p></span></p><p class="MsoNormal"><span style="mso-spacerun:´yes´;font-family:仿宋_GB2312;mso-bidi-font-family:宋体;
mso-bidi-font-weight:bold;font-size:14.0000pt;mso-font-kerning:0.0000pt;"> <font face="Times New Roman">d</font><font face="仿宋_GB2312">、测量误差为</font></span><span style="mso-spacerun:´yes´;font-family:´Times New Roman´;mso-fareast-font-family:仿宋_GB2312;
mso-bidi-font-weight:bold;font-size:14.0000pt;mso-font-kerning:0.0000pt;">±</span><span style="mso-spacerun:´yes´;font-family:仿宋_GB2312;mso-bidi-font-family:宋体;
mso-bidi-font-weight:bold;font-size:14.0000pt;mso-font-kerning:0.0000pt;"><font face="Times New Roman">1</font><font face="仿宋_GB2312">个数字。</font></span></p>"/> mso-char-indent-count:-9.4500;mso-pagination:widow-orphan;line-height:150%;"><span style="mso-spacerun:´yes´;font-family:仿宋_GB2312;line-height:150%;
font-size:14.0000pt;mso-font-kerning:1.0000pt;"> </span><span style="mso-spacerun:´yes´;font-family:仿宋_GB2312;mso-bidi-font-family:宋体;
line-height:150%;mso-bidi-font-weight:bold;font-size:14.0000pt;
mso-font-kerning:0.0000pt;"><font face="仿宋_GB2312">项目要求：</font><font face="Times New Roman">a</font><font face="仿宋_GB2312">、四位数字显示，测量频率范围为</font><font face="Times New Roman">1Hz~10KHz</font><font face="仿宋_GB2312">；</font></span><span style="mso-spacerun:´yes´;font-family:仿宋_GB2312;mso-bidi-font-family:宋体;
line-height:150%;mso-bidi-font-weight:bold;font-size:14.0000pt;
mso-font-kerning:0.0000pt;"><o:p></o:p></span></p><p class="MsoNormal" style="margin-left:139.3500pt;mso-para-margin-left:0.6700gd;text-indent:-132.3000pt;
mso-char-indent-count:-9.4500;mso-pagination:widow-orphan;line-height:150%;"><span style="mso-spacerun:´yes´;font-family:仿宋_GB2312;mso-bidi-font-family:宋体;
line-height:150%;mso-bidi-font-weight:bold;font-size:14.0000pt;
mso-font-kerning:0.0000pt;"> <font face="Times New Roman">b</font><font face="仿宋_GB2312">、可进行累加计数，可测量正弦信号和脉冲信号；</font></span><span style="mso-spacerun:´yes´;font-family:仿宋_GB2312;mso-bidi-font-family:宋体;
line-height:150%;mso-bidi-font-weight:bold;font-size:14.0000pt;
mso-font-kerning:0.0000pt;"><o:p></o:p></span></p><p class="MsoNormal" style="margin-left:139.3500pt;mso-para-margin-left:0.6700gd;text-indent:-132.3000pt;
mso-char-indent-count:-9.4500;mso-pagination:widow-orphan;line-height:150%;"><span style="mso-spacerun:´yes´;font-family:仿宋_GB2312;mso-bidi-font-family:宋体;
line-height:150%;mso-bidi-font-weight:bold;font-size:14.0000pt;
mso-font-kerning:0.0000pt;"> <font face="Times New Roman">c</font><font face="仿宋_GB2312">、手动清零、手动测量；</font></span><span style="mso-spacerun:´yes´;font-family:仿宋_GB2312;mso-bidi-font-family:宋体;
line-height:150%;mso-bidi-font-weight:bold;font-size:14.0000pt;
mso-font-kerning:0.0000pt;"><o:p></o:p></span></p><p class="MsoNormal"><span style="mso-spacerun:´yes´;font-family:仿宋_GB2312;mso-bidi-font-family:宋体;
mso-bidi-font-weight:bold;font-size:14.0000pt;mso-font-kerning:0.0000pt;"> <font face="Times New Roman">d</font><font face="仿宋_GB2312">、测量误差为</font></span><span style="mso-spacerun:´yes´;font-family:´Times New Roman´;mso-fareast-font-family:仿宋_GB2312;
mso-bidi-font-weight:bold;font-size:14.0000pt;mso-font-kerning:0.0000pt;">±</span><span style="mso-spacerun:´yes´;font-family:仿宋_GB2312;mso-bidi-font-family:宋体;
mso-bidi-font-weight:bold;font-size:14.0000pt;mso-font-kerning:0.0000pt;"><font face="Times New Roman">1</font><font face="仿宋_GB2312">个数字。</font></span></p>"/>
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【求助】简易数字频率计设计 项目要求：a、四位数字显示，测量频率范围为1Hz~10KHz；b、可进

txqq_65e2152afa 于 2024-12-23 10:39:25 发表求助 1 楼
简易数字频率计设计

项目要求：a、四位数字显示，测量频率范围为1Hz~10KHz；

b、可进行累加计数，可测量正弦信号和脉冲信号；

c、手动清零、手动测量；

d、测量误差为±1个数字。

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