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【pdf】【221k】EMC的LineSim和BoardSim仿真
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[EMC仿真]
【pdf】【221k】EMC的LineSim和BoardSim仿真
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tensor
新的一年开始了!
UID :2
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2006-10-04
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2025-09-29
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发表于: 2008-10-06 15:24:45
EMC的LineSim和BoardSim仿真
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EMC的LineSim和BoardSim仿真
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目录
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第一章 什么是 LINESIM 和 BOARDSIM 仿真.................................................................................................3
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1.1 电磁辐射与信号完整性...........................................................................................................................3
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第二章 大纲:EMC 技术背景........................................................................................................................3
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2.1 为什么出现辐射.......................................................................................................................................3
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2.2 差摸辐射与共模辐射...............................................................................................................................3
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2.3 远场辐射与近场模辐射(FAR-FIELD AND NEAR-FIELD RADIATION).........................................................3
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2.4 周期信号辐射与无规则信号辐射(PERIODIC AND RANDOM SIGNALS)......................................................4
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2.5 来自 IC 封装的辐射(仅 BOARDSIM EMC)...............................................................................................4
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2.6 系统结构以及外壳的作用.......................................................................................................................4
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2.7 EMC 的政府指标........................................................................................................................................4
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第三章 EMC 仿真的局限性...........................................................................................................................5
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3.1 EMC 仿真的先决条件................................................................................................................................5
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3.2 只能预测差模辐射和元件封装辐射.......................................................................................................5
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3.3 BOARDSIM EMC 对于产生干扰的源网络的辐射不能预测.........................................................................5
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3.4 BOARDSIM EMC 辐射分析的误差.................................................................................................................5
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3.5 LINESIM EMC 的特殊限制..........................................................................................................................5
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第四章 大纲:EMC 运算法则描述(略)........................................................................................................6
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第五章 运行 EMC 仿真...................................................................................................................................7
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摘要:...............................................................................................................................................................7
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5.1 仿真前的要求............................................................................................................................................7
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5.2 设置频谱分析探头....................................................................................................................................7
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5.2.1 设置天线以及电流探头........................................................................................................................7
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5.2.2 辐射测量的单位....................................................................................................................................8
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5.2.3 什么时候使用电流探头........................................................................................................................8
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5.3 设置天线....................................................................................................................................................8
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5.3.1 设置天线距离........................................................................................................................................8
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5.3.2 设置天线和 PCB 板位置........................................................................................................................8
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5.3.2.1 设置自动方式...................................................................................................................................8
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5.3.3 选择何种源来测量辐射........................................................................................................................8
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5.3.3.1 允许封装辐射检测(仅适用于 BoardSim EMC)..........................................................................9
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5.3.3.1.1 什么时候选择封装辐射的开和关...............................................................................................9
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5.3.3.1.2 做 LineSim时 Package Radiation 被禁用..............................................................................9
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5.3.3.1.3 快速终端以 EMC 仿真...................................................................................................................9
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5.3.3.2 允许连线辐射...................................................................................................................................9
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5.3.3.3 允许多路径校正...............................................................................................................................9
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5.4 在 IC 管脚上固定电流探头.....................................................................................................................9
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5.4.1 LINESIM EMC 里管脚名称....................................................................................................................10
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5.4.1.1 无源器件.........................................................................................................................................10
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5.4.1.2 管脚号码.........................................................................................................................................10
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5.4.2 IC 管脚................................................................................................................................................10
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5.5 在没有元件的管脚设置探头(仅 LINESIM EMC)................................................................................10
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5.6 探头如何显示.........................................................................................................................................10
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5.6.1 在 LINESIM EMC 探头如何显示............................................................................................................10
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5.6.2 在 BOARDSIM EMC探头如何显示........................................................................................................10
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5.7 设置频谱分析..........................................................................................................................................11
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5.7.1 选择驱动波形......................................................................................................................................11
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5.7.2 非周期信号..........................................................................................................................................11
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5.7.3 占空比如何影响信号仿真...................................................................................................................11
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5.8 设置中心频率和带宽..............................................................................................................................11
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5.9 设置垂直偏移量......................................................................................................................................11
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5.10 设置 IC 工作参数..................................................................................................................................11
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5.11 选择对比标准.......................................................................................................................................12
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5.12 输入仿真命令.......................................................................................................................................12
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5.13 运行仿真 设置完成以后点击“START ..”按钮。(略).................... ..
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EMC的LineSim和BoardSim仿真.[bbs.rfeda.cn].rar
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dfmt
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优秀资料+RF币
2008-10-06
本人从事微波行业研究和教学。丰富的硬件资源和微波团队可
承接各类与微波相关的项目 QQ:546874678 EMAIL:rfeda@126.com
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kingchen10
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发表于: 2008-10-06 23:02:50
我要疯了,这么多好资料,不晓得下那个,再次发自肺腑的感谢!
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发表于: 2009-05-31 14:37:53
xiexiexieding
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发表于: 2023-08-07 11:07:45
谢谢分享
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