DGD：微分群延迟

“微分群延迟”（Differential Group Delay，简称DGD）是光纤通信等领域中的一个技术术语，用以描述不同偏振模式光信号在传输过程中产生的时间延迟差异。这一缩写形式DGD在工程应用和学术文献中被广泛采用，不仅便于快速书写和交流，也有助于相关领域的标准化表述。其概念多见于光学传播、信号处理等综合性技术场景，属于尚未进一步细分的通用专业词汇。

Differential Group Delay具体释义

  • 英文缩写：DGD
  • 英语全称：Differential Group Delay
  • 中文意思：微分群延迟
  • 中文拼音：wēi fēn qún yán chí
  • 相关领域： dgd 未分类的

Differential Group Delay的英文发音

例句

  1. A new magnetic field measurement based on the Faraday effect and the measurement of differential group delay ( DGD ) in fiber grating was proposed.
  2. 提出了一种利用光纤光栅中法拉第效应和测量差分群时延（DGD）的直接测量磁感应强度的新方法，给出了理论分析和实验结果。
  3. New Measurement for Electromagnetic with the Differential Group Delay(DGD) of Fiber Grating Enhanced Adaptive Observer for Sensorless PMSM Drive System
  4. 基于光纤光栅差分群时延的磁感应强度测量新方法基于增强型自适应观测器的永磁同步电机无速度传感器
  5. The character of polarization mode dispersion ( PMD ) in high-speed optical fiber transmission system is analyzed theoretically, and the mechanism of differential group delay ( DGD ) caused by PMD is found out.
  6. 文章从理论上分析了高速光纤通信系统中PMD的特性，得出了由PMD导致的DGD（差分群时延）的机理。
  7. The differential group delay ( DGD ) of PMD can quickly acquired by measuring the output state of polarization ( SOP ) of each wavelength at the same time.
  8. 该测量系统利用可旋转偏振控制器和光谱仪同时测量单模光纤中各个波长的输出偏振态，从而测量出PMD群时延差（DGD）。
  9. The performances of the three polarization mode dispersion ( PMD ) emulators commonly used today are analyzed and compared among them through numerical simulation of their differential group delay ( DGD ) statistical characteristics and PMD vector autocorrelation function.
  10. 通过对微分群时延差（DGD）统计特性和偏振模色散（PMD）矢量自相关函数的数值模拟，分析比较了目前常用的三种PMD模拟器的性能。

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