高性能中空截头角锥复合型EMC吸波材料设计 |
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引用本文: | 栗原 弘,杨文麟,刘本东.高性能中空截头角锥复合型EMC吸波材料设计[J].安全与电磁兼容,2009(4):57-60. |
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作者姓名: | 栗原 弘 杨文麟 刘本东 |
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作者单位: | 1. TDK株式会社 2. 南京洛普股份有限公司 |
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摘 要: | CISPR 22和ANSIC 63.4规定的归一化场地衰减(NSA)不大于±4dB,从EMC半电波暗室本征特性要求出发,精心计算和设计,NSA可以达到±2dB,由此可求出达到此目的的吸波材料吸波性能的目标值,从而设计和制造出满足此要求的中空截头角锥复合型吸波材料。
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关 键 词: | EMC 10米法半电波暗室 复合型EMC吸波材料 |
High Performance Open-top Hollow Pyramidal Hybrid EM Wave Absorber Design |
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Abstract: | This article mainly presents the EM wave absorber design in order to obtain the normalized site attenuation (NSA) values within +2 dB in the 10 m semi anechoic chamber at 30 MHz to 1 000 MHz. We got the necessary reflectivity of EM wave absorber by the basic site attenuation equation. Finally, the open-top hollow pyramid was produced which can meet the requirements of NSA in CISPR 22 and ANSIC 63.4. |
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Keywords: | EMC |
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