| 1. | Optical fibres - measurement methods and test procedures - differential mode delay 光学纤维.测量方法和试验规程.模时延差 |
| 2. | Optical fibres - part 1 - 49 : measurement methods and test procedures ; differential mode delay 光纤.第1 - 49部分:测量方法和使用程序.差动式延迟 |
| 3. | Optical fibres - part 1 - 49 : measurement methods and test procedures - differential mode delay 光学纤维.第1 - 49部分:测量方法和试验程序.差分延迟 |
| 4. | Corrigendum 1 - optical fibres - part 1 - 49 : measurement methods and test procedures - differential mode delay 勘误1 .光学纤维.第1 - 49部分:测量方法和试验程序.差分模延迟 |
| 5. | High attenuation to low frequency , excellent perform ance of common mode and differential mode interfere nce suppression 极佳的低频段衰减特性,具有良好的共模和差模干扰抑制性能。 |
| 6. | Optical fibres - part 1 - 49 : measurement methods and test procedures - differential mode delay iec 60793 - 1 - 49 : 2003 ; german version en 60793 - 1 - 49 : 2003 光纤.第1 - 49部分:测量方法和试验过程.差分模式延时 |
| 7. | In the traditional polarization diversity and combining scheme , differential mode loop and common mode loop is combined to lock in the phase and frequency of the diversity signals and remove the carrier frequency bias and doppler shift 传统的极化分集接收方案是将差模环和共模环相结合完成两路信号的同频同相锁定以及多普勒频率偏移的去除。 |
| 8. | The performance of the differential mode loop , the characteristic of mrc combining and the high - pass characteristic of the error transfer function of the uniform sampling second - order dpll are simulated in the matlab , the simulation results are given 在matlab环境下对分集合并中的差模环特性、最大比合并特性以及均匀采样二阶数字锁相环误差函数高通特性进行了仿真,给出了仿真结果。 |
| 9. | With the software cadence , model establishment and parasitic parameter extraction are made on the main pcb lines of the proposed circuits . equivalent circuit models of common mode combined with differential mode current and noise simulation models are also established on full bridge switching - mode converters . study on the simulation of conducted interference noise is made with the software saber and the effects on the circuits " noise by the main parasitic parameters are also analyzed 在对全桥开关型变换器电路工作原理分析的基础上,建立了全桥开关型变换器主要元器件的电磁干扰参数模型,利用cadence软件对其pcb主要印制导线进行了建模分析和寄生参数的提取,得到了全桥开关型变换器传导干扰的共模、差模噪声电流等效电路模型以及噪声仿真模型,并运用saber软件进行了传导性干扰噪声的仿真研究,分析了主要寄生参数对电路噪声的影响。 |