关于屏蔽机柜...

大家好，我想咨询下关于屏蔽机柜的一些要求和参数，或者说注意事项什么的,只要有关的大家都可以来告诉我，谢谢

屏蔽机柜有专门的生产厂家生产，比一般机柜要宽，要厚。一般甲方都会要求供货商提供专业保密、涉密资质。进入屏蔽机柜的网线需使用波导管且每个机柜内的线不应超过60根，否则会有电磁泄漏，不能取得屏蔽效果。做屏蔽对接地要求较高，虽然不用做单独接地，但现在对于单点还是多点接地效果好还有争议。

<p><b><span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">适用范围</span></b><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> <br/><br/>&nbsp;&nbsp; </span><span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">电磁屏蔽柜适用于防止外界对光电数据交换机的干扰的信息数据传输交换系统</span><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> <br/><br/>l&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;一般</span><b><span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">参数</span></b><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> <br/><br/>2&nbsp;&nbsp;&nbsp;&nbsp; </span><span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">外形尺寸：</span><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">&nbsp;700*700*2000</span><span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">（毫米）</span><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">&nbsp;700*700*1800</span><span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">（毫米）</span><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> <br/><br/></span><span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">净空间尺寸：</span><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">468*550*1700</span><span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">（毫米）</span><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">&nbsp;468*550*1500</span><span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">（毫米）</span><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> <br/><br/>&nbsp;&nbsp; </span><span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">外形尺寸：</span><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">&nbsp;700*700*1600</span><span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">（毫米）</span><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">&nbsp;700*700*1200</span><span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">（毫米）</span><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> <br/><br/>&nbsp;&nbsp; </span><span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">净空间尺寸：</span><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">468*550*1300</span><span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">（毫米）</span><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">&nbsp;&nbsp; 468*550*900</span><span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">（毫米）</span><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> <br/><br/>&nbsp;&nbsp; </span><span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">外形尺寸：</span><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">&nbsp;700*980*2000</span><span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">（毫米）</span><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">&nbsp;700*980*1800</span><span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">（毫米）</span><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> <br/><br/>&nbsp;&nbsp; </span><span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">净空间尺寸：</span><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">468*800*1700</span><span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">（毫米）</span><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">&nbsp;468*800*1500</span><span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">（毫米）</span><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> <br/><br/>2&nbsp;&nbsp;&nbsp;&nbsp; </span><span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">功率：交流电</span><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">220V*<?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" /><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="16" unitname="a">16A</st1:chmetcnv></span><span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">；</span><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> <br/><br/>2&nbsp;&nbsp;&nbsp;&nbsp; </span><span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">屏蔽效能：</span><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">150KHz_{&nbsp;&nbsp;&nbsp;&nbsp;} 95dB <br/><br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 450MHz_&nbsp;&nbsp; 103dB <br/><br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 930MHz&nbsp;102db <br/><br/>2&nbsp;&nbsp;&nbsp;&nbsp; </span><span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">重量：</span><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">≈260</span><span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">公斤</span><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> <br/><br/>l&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><b><span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">主要结构组</span></b><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> <br/><br/>2&nbsp;&nbsp;&nbsp;&nbsp; </span><span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">屏蔽壳体：冷轧钢板焊接成的全密闭的箱体，经过镀锌与油漆等防腐蚀处理；</span><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> <br/><br/></span><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"><br/></span><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"><br style="mso-special-character: line-break"/><br style="mso-special-character: line-break"/></p></span>

<span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"><span style="mso-spacerun: yes">&nbsp;</span></span><span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">屏蔽门：优质材料经过精心制作与处理的屏蔽簧片、冷轧钢板焊接成的门扇组成的屏蔽门；</span><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> <br/><br/>2&nbsp;&nbsp;&nbsp;&nbsp; </span><span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">滤波器：电源滤波器具有宽抑制频带和高的插入损耗；</span><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> <br/><br/>2&nbsp;&nbsp;&nbsp;&nbsp; </span><span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">通风波导窗：蜂窝型通风波导窗，顶部波导窗设有微型轴流风机四只，单只排风量</span><?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" /><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="1.4" unitname="m3"><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">1.4m³</span></st1:chmetcnv><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">/min</span><span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">；</span><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> <br/><br/>2&nbsp;&nbsp;&nbsp;&nbsp; </span><span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">传输窗：传输窗设有带弹性夹头的铜制传输导管；</span><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> <br/><br/>2&nbsp;&nbsp;&nbsp;&nbsp; </span><span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">光导管：</span><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">φ14*100</span><span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">镀铜光纤输导管；</span><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> <br/><br/>2&nbsp;&nbsp;&nbsp;&nbsp; </span><span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">服务器支架：上下前后可调位置的服务器安装支架；</span><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> <br/><br/>2&nbsp;&nbsp;&nbsp;&nbsp; </span><span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">电器插座与开关。</span><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> <br/><br/>●</span><b><span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">电磁屏蔽原理</span></b><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> <br/><br/>&nbsp;&nbsp; </span><span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">电磁屏蔽是用屏蔽体阻止高频电磁场在空间传播的一种措施。电磁波在通过金属或对电磁波有衰减作用的阻挡层时，会受到一定程度的衰减，即这些金属或阻挡层有屏蔽作用，屏蔽效能的大小与电磁波的性质及金属或阻挡层的自身特性有关。</span><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> <br/><br/>2&nbsp;&nbsp;&nbsp;&nbsp; </span><b><span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">金属板电磁屏蔽的物理过程</span></b><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> <br/><br/>&nbsp;&nbsp; </span><span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">当电磁波入射到两侧为空气的金属板时，一部分能量被反射，即<b>反射损耗</b>；透射波在金属板内传播过程中被衰减的部分称之<b>吸收损耗</b>；在第二界面上被反射到第一界面时将再次产生反射，如此循环往复，直至能量全部被衰耗和透射，这种现象就是屏蔽理论中应考虑的<b>多次反射修正因子</b>。</span><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> <br/><br/>2&nbsp;&nbsp;&nbsp;&nbsp; </span><b><span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">缝隙的屏蔽</span></b><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> <br/><br/>&nbsp;&nbsp;&nbsp; </span><span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">屏蔽体上的永久性接缝一般指采用焊接方法将两金属板连接在一起，这种永久性接缝几乎与金属板本身的射频阻抗相等；</span><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <br/><br/>2&nbsp;&nbsp;&nbsp;&nbsp; </span><b><span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">截止波导屏蔽</span></b><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> <br/><br/>&nbsp;</span><span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">当电磁波频率低于波导的截止频率时，在传输中将产生很大的衰减。常用的截止波导有园形、矩形和六角形。</span><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> <br/><br/>&nbsp;</span><span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">园波导的截止频率：</span><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> <br/><br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; f_c=17.6*10⁹/D </span><span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">（</span><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> H_Z </span><span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">）</span><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; D—</span><span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">圆波导的内直径</span><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> <br/><br/>&nbsp;</span><span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">为使波导有足够的衰减，应满足：</span><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> <br/><br/>&nbsp;&nbsp;&nbsp;&nbsp; f_c</span><span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">》</span><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">f&nbsp;&nbsp;&nbsp;&nbsp; f—</span><span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">电磁波频率</span><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> <br/><br/>&nbsp;&nbsp;&nbsp;&nbsp; l≥3D&nbsp;&nbsp;&nbsp; l—</span><span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">截止波导长度</span><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> <br/><br/>&nbsp;&nbsp; </span><span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">从通风散热来考虑，为了获得足够的通风面积，以满足所需要的通风量，可将很多根截止波导紧挨着排列在一起，构成一组截止波导式通风孔阵。</span><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> <br/><br/>2&nbsp;&nbsp;&nbsp;&nbsp; </span><b><span style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">滤波器</span></b><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> <br/><br/></span><span lang="EN-US" style="FONT-SIZE: 18pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">&nbsp;</span><span style="FONT-SIZE: 18pt; COLOR: #444444; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">传导干扰是通过金属导体例如导线或任何金属结构传播的干扰，进入屏蔽室（柜）内的全部金属导线必须滤波，电子滤波器是集中的或分布的电路元件（如电阻、电感、电容、或它们的等效物或各种元件的组合）的网络，这些网络对某些频率或直流较小反抗，而阻塞或短路其它频率通道。</span><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: #444444; FONT-FAMILY: Arial; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> <br style="mso-special-character: line-break"/><br style="mso-special-character: line-break"/></span>

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