双层屏蔽

shuānɡ cénɡ pínɡ bì
  • double-layer screen
双层屏蔽双层屏蔽
  1. 高功率微波对双层屏蔽腔体的孔缝耦合特性

    Analysis on high power microwave aperture coupling of double layer shielding enclosure

  2. 高次模传输线法分析有孔双层屏蔽腔体屏蔽效能

    Analysis of Shielding Effectiveness in Double Layer Rectangular Enclosure with Aperture by Higher-order Mode Transmission Line Method

  3. 使用数字化测量装置,在双层屏蔽试验室内,取得了各种模型放电的放电量一相位信息。

    Using digital measuring device , in 2-coat shielding room , quantity-phase information of discharge current of 4 models are obtained .

  4. 用两种材料做成双层屏蔽体可以得到高频磁场和低频磁场都满意的屏蔽特性。

    When the magnetic shielding body is made of these two materials the satisfactory magnetic shielding effectiveness for low-frequency magnetic field and high-frequency magnetic field can be obtained .

  5. 制作了3种绝缘缺陷模型,在双层屏蔽室中对这3种模型进行了实验,取得了大量的放电样本数据。

    Three kinds of insulation defect model were made , many tests on these models were conducted in a double-layer shielding chamber and a large amount of discharging sample data were obtained .

  6. 通过传输线模型推导出多层无限大平板的屏蔽效能的计算公式,并根据公式设计了双层屏蔽层,通过多靶直流溅射制备了多种金属屏蔽膜。

    A variety of double-layer have been successfully designed and grown by DC magnetron sputtering for the purpose of electromagnetic ( EM ) shielding of plastic chassis , based on the shielding efficiency calculation of an infinite shielding area with transmission line model .

  7. 在EMP模拟器下研究了变电站微机保护装置抗开关瞬态电磁场干扰特性,得出了采用双层金属屏蔽柜屏蔽开关瞬态电磁场比较保守的结论,分析了引起保护装置故障的干扰的耦合路径。

    The susceptibility of microprocessor-based relay to switching transients was studied by experiments based on the EMP simulator . The results show that with regard to switching transients the shielding measure with two layers of metal enclosures is conservative , and the coupling path was analyzed for fault of equipment .