| 1. | Electromedical equipment . galvanic current or low - medium - frequency equipment 医用电气设备.电流或中低频设备 |
| 2. | Analysis of the characteristics of low - frequency modes in a corrugated waveguide filled with plasma 等离子体填充波纹波导中低频模式特性分析 |
| 3. | The study proved that fem is an effective and accurate method for the laminated composites " research and designation in middle and low frequency scope 研究结果表明对层合复合降噪材料在中低频范围内的应用,有限元数值方法是一个有效而准确的研究和设计途径。 |
| 4. | Electromagnetic compatibility - part 2 - 12 : environment - compatibility levels for low - frequency conducted disturbances and signalling in public medium - voltage power supply systems 电磁兼容性.第2 - 12部分:环境.公共中压电源系统中低频传导干扰和信号传送的兼容性 |
| 5. | The result shows that average absorption coefficient and noise reduction coefficient separately equal to 0 . 58 and 0 . 60 , and fine property of sound absorption at middle - low frequency 结果表明材料的平均吸声系数和降噪系数分别达0 . 58和0 . 60 ,且材料的中低频吸声性能优良。 |
| 6. | Choose the frequency from 14 to 16 bark as the embedding positions which below the masking threshold . then change the dct coefficient with the certain strength of 选用中低频14 16bark段在掩蔽阈值以下的频率分量作为嵌入点,对该嵌入点的dct系数以一定嵌入强度作修改来实现秘密信息的嵌入。 |
| 7. | Electromagnetic compatibility ; part 2 : environment ; section 1 : description of the environment ; electromagnetic environment for low - frequency conducted disturbances and signalling in public power supply systems 电磁兼容性.第2部分:环境.第1节:环境的描述.公共供电系统中低频传导干扰和信号的电磁环境 |
| 8. | At last , influences of the frequency , source point depth and conductivity ' s are concisely analyzed on low frequency wave ' s propagation characteristics in the earth ' s crust overburden 最后根据模型仿真结果数据,从频率、源点距地面深度和导电率三方面简略地分析它们对地壳覆盖层中低频无线电波传播特性的影响。 |
| 9. | Numerical simulations were performed and results show that significant attenuation of radiated acoustic power can be obtained , and sound radiation cancellation performance becomes better in low and medium frequencies 进行了数值仿真,仿真结果表明,应用压电片能有效地抑制声呐设备中障板声辐射,抑制中低频的声辐射效果更好。 |
| 10. | Operating in the low and middle bands of the radio spectrum , one or two rf mems analog channels can create short - range ad hoc networks in any band where licensed users agree to rent , share or otherwise barter for radio spectrum 处于无线电频谱的中低频带时,只要是在使用者同意租用、分享或交换的频带上,一或两个rf微机电系统的类比频道,就能建立起短距离特定网路。 |