| 1. | Electric conducting polymer is one of the most promising materials for electromagnetic interference ( emi ) shielding 摘要导电高分子材料在电磁屏蔽领域有着广阔的应用前景。 |
| 2. | In recent years , microwave anechoic chamber techniques have developed rapidly with electromagnetic interference ( emi ) gets heavier 近年来,随着电磁干扰问题的日益突出,微波暗室技术获得了很快的发展。 |
| 3. | One approach to minimize this impact is to filter the harmonic currents and the electromagnetic interference ( emi ) produced by the power electronic loads 减小这种影响的一个办法是,将由电力电子负载产生的谐波电流或者电磁干扰滤除。 |
| 4. | Through special process , xir laminated glass can effectively made to reduce the strength of electromagnetic interference ( emi ) , and working as shielding device 特殊制作的xir夹层节能玻璃,可有效降低电磁波辐射强度,具备电磁屏蔽功能。 |
| 5. | Nearly every electronic device is susceptible to electromagnetic interference ( emi ) if inadequately shielded , designed , or otherwise configured for electromagnetic compatibility 注:几乎所有电子设备,如果不适当包装、设计或电磁兼容配置,都极易产生电磁干扰。 |
| 6. | However , smps operate at high switching frequencies , and the associated transient pulses are full of high frequency harmonics that may cause electromagnetic interference ( emi ) 然而,由于开关电源工作在高频状态,其产生的瞬态脉冲包含有能够发射电磁干扰( emi )的的高频谐波。 |
| 7. | The surface resistance and electromagnetic interference ( emi ) shielding effectiveness of the conductive fabrics were measured by four point probe method ( astmf 390 ) and the coaxial transmission line method ( astm d4935 - 99 ) , respectively 分别用四探针法和双轴传输线法测量了导电涤纶织物的表面电阻和电磁屏蔽效能。 |
| 8. | A novel dual randomized pwm modulator with synchronous varying switching frequency and pulse position delay is proposed to reduce conducted electromagnetic interference ( emi ) in power converters 摘要提供了一种新的双随机脉冲调制技术,它能够很好地减小电力电子系统中存在的传导电磁干扰,这个调制技术是通过同时改变开关频率和脉冲的上升沿位置来实现的。 |
| 9. | The methods that can efficiently suppress the disturbance on gate of switching component of the inverter - bridge are synthesized . a dual - inductor output filter is employed to improve electromagnetic interference ( emi ) , due to turn - on or turn - off of the power switches of the inverter , which may be lead loads into trouble 本文详细论述了1kva25hz新型铁路信号电源和2kva高频在线式ups的设计和调试工作,总结了几种能够有效抑制逆变桥功率开关管门极干扰的措施,并且运用一种双电感结构的输出滤波器来改善由逆变器功率管在开关过程中产生的、影响负载设备正常工作的电磁干扰。 |
| 10. | Furthermore , lots of control lines implies that the systems is more susceptible to disturbances by electromagnetic interference ( emi ) and electrostatic discharge ( esd ) . in this paper we introduce the design of multi - synchronization monitor by i2c bus which improve monitor performance . this paper discusses how to use i c bus automatically adjust in manufacturing process of monitor 采用总线技术可使显示器的调整实现自动化,提高了整机的性能和劳动生产率,节省了成本。采用总线技术可使显示器的几乎所有功能都可通过集成ic实现,提高了系统的集成度,减少了外围元件,利于pcb设计和抗emi 、 esd的干扰设计,提高了整机的稳定性。 |