论坛站务软件水平考试华为认证计算机等级PMP认证思科认证Photoshop3DMAX编程语言移动开发系统运维产品运营淘宝营销办公软件Ps修图云计算大数据摄影就业

<p style="margin-top: 0px; margin-bottom: 10px; padding: 0px; box-sizing: border-box; color: rgb(51, 51, 51); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);">　　<span style="margin: 0px; padding: 0px; box-sizing: border-box; color: rgb(255, 0, 0);"><span style="margin: 0px; padding: 0px; box-sizing: border-box; font-weight: 700;"><a href="http://www.kokojia.com/package-1.html" target="_blank" style="margin: 0px; padding: 0px; box-sizing: border-box; cursor: pointer; text-decoration-line: none; color: rgb(51, 122, 183); background-color: transparent;"><span style="margin: 0px; padding: 0px; box-sizing: border-box; color: rgb(255, 0, 0);">网络工程师</span></a></span></span>信道特性考点有哪些?为了方便考生及时有效的备考，课课家小编为大家精心整理了软考中级网络工程师信道特性考试知识点，供大家参考和学习。如想获取更多计算机软件水平考试的模拟题及备考资料，请关注课课家网站的更新。</p><p style="margin-top: 0px; margin-bottom: 10px; padding: 0px; box-sizing: border-box; color: rgb(51, 51, 51); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);">　　尼奎斯特定理：在理想信道的情况下最高码元的传输速率的公式：B=2W，(W为信道的带宽，一般信道都有一个最高的信号频率，最低的信号频率，只有在这两个频率之间的信号才能通过这个信道，这两个频率的差值就叫做这个信道的带宽，单位是Hz)。</p><p style="margin-top: 0px; margin-bottom: 10px; padding: 0px; box-sizing: border-box; color: rgb(51, 51, 51); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);">　　香农用信息论的理论推导出了带宽受限且有噪声干扰的信道的极限信息传输速率C=Wlog2(1+S/N)香农定理中。注意分贝dB和S/N的转换：dB=10log10(S/N)。</p><p style="margin-top: 0px; margin-bottom: 10px; padding: 0px; box-sizing: border-box; color: rgb(51, 51, 51); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);">　　</p><center style="margin: 0px; padding: 0px; box-sizing: border-box; color: rgb(51, 51, 51); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);"><img src="/Public/forum/ueditor/image/20200225/1582612485800546.png" alt="" data-bd-imgshare-binded="1" style="margin: 0px; padding: 0px; box-sizing: border-box; border: 0px none; vertical-align: middle; max-width: 100%;"/></center><center style="margin: 0px; padding: 0px; box-sizing: border-box; color: rgb(51, 51, 51); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);"><p style="margin-top: 0px; margin-bottom: 10px; padding: 0px; box-sizing: border-box; text-align: left;">&nbsp; &nbsp; &nbsp; 课课家教育专注<span style="margin: 0px; padding: 0px; box-sizing: border-box; color: rgb(255, 0, 0);"><span style="margin: 0px; padding: 0px; box-sizing: border-box; font-weight: 700;"><a href="http://www.kokojia.com/packageList/336.html" target="_blank" style="margin: 0px; padding: 0px; box-sizing: border-box; cursor: pointer; text-decoration-line: none; color: rgb(51, 122, 183); background-color: transparent;"><span style="margin: 0px; padding: 0px; box-sizing: border-box; color: rgb(255, 0, 0);">软考培训</span></a></span></span>10年以上，一直坚持自主研发，将丰富的软考培训经验有效融入教程研发过程，自成体系的<span style="margin: 0px; padding: 0px; box-sizing: border-box; color: rgb(255, 0, 0);"><span style="margin: 0px; padding: 0px; box-sizing: border-box; font-weight: 700;"><a href="http://www.kokojia.com/packageList/336.html" target="_blank" style="margin: 0px; padding: 0px; box-sizing: border-box; cursor: pointer; text-decoration-line: none; color: rgb(51, 122, 183); background-color: transparent;"><span style="margin: 0px; padding: 0px; box-sizing: border-box; color: rgb(255, 0, 0);">软考视频教程</span></a>、<a href="https://ebuy.kokojia.com/list/77.html" target="_blank" style="margin: 0px; padding: 0px; box-sizing: border-box; cursor: pointer; text-decoration-line: none; color: rgb(51, 122, 183); background-color: transparent;"><span style="margin: 0px; padding: 0px; box-sizing: border-box; color: rgb(255, 0, 0);">软考培训教材</span></a></span></span>和<span style="margin: 0px; padding: 0px; box-sizing: border-box; color: rgb(255, 0, 0);"><span style="margin: 0px; padding: 0px; box-sizing: border-box; font-weight: 700;"><a href="http://tiku.kokojia.com/list/337.html" target="_blank" style="margin: 0px; padding: 0px; box-sizing: border-box; cursor: pointer; text-decoration-line: none; color: rgb(51, 122, 183); background-color: transparent;"><span style="margin: 0px; padding: 0px; box-sizing: border-box; color: rgb(255, 0, 0);">软考在线题库</span></a></span></span>，使考生的学习更具系统性，辅导更具针对性。想要报考2020年软考的考生现在就可以开始备考了，报名课课家软考各科目考试<span style="margin: 0px; padding: 0px; box-sizing: border-box; font-weight: 700;">赠送：辅导教材、历年真题、考前冲剌资料、在线模拟测试题库、老师专属答疑指导等</span>，以保障学员顺利通过考试。</p><p style="margin-top: 0px; margin-bottom: 10px; padding: 0px; box-sizing: border-box; text-align: left;">　　&gt;&gt;&gt;&gt;&gt;&gt;点击进入<span style="margin: 0px; padding: 0px; box-sizing: border-box; color: rgb(255, 0, 0);"><span style="margin: 0px; padding: 0px; box-sizing: border-box; font-weight: 700;"><a href="http://www.kokojia.com/activity-ruankao.html" target="_blank" style="margin: 0px; padding: 0px; box-sizing: border-box; cursor: pointer; text-decoration-line: none; color: rgb(51, 122, 183); background-color: transparent;"><span style="margin: 0px; padding: 0px; box-sizing: border-box; color: rgb(255, 0, 0);">软考报名专题</span></a></span></span></p></center><p><br/></p><p><span style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; font-size: 14px; background-color: rgb(255, 255, 255);">　　</span><span style="margin: 0px; padding: 0px; font-weight: 700; color: rgb(51, 51, 51); font-family: &quot;Microsoft Yahei&quot;, Tahoma, Helvetica, Arial, sans-serif; background-color: rgb(255, 255, 255);"><span style="margin: 0px; padding: 0px; box-sizing: border-box; font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; font-size: 14px;">相关推荐：<a href="http://bbs.kokojia.com/ruankao/87202" title="2020年网络工程师考点汇总" style="margin: 0px; padding: 0px; cursor: pointer; text-decoration-line: none; color: rgb(0, 174, 239); font-family: &quot;Microsoft Yahei&quot;, Tahoma, Helvetica, Arial, sans-serif; background-color: rgb(239, 239, 239);">2020年网络工程师考点汇总</a></span></span></p>

论坛站务软件水平考试华为认证计算机等级PMP认证思科认证Photoshop3DMAX编程语言移动开发系统运维产品运营淘宝营销办公软件Ps修图云计算大数据摄影就业