在光纤通道通信系统中实现基于网关阵列的现场可编程时钟同步
相关实验视频
Updated: Jul 1, 2025

06:42
Generation and Coherent Control of Pulsed Quantum Frequency Combs
Published on: June 8, 2018
9.0K
Huiya Xu1, Guangji Wang2, Lianping Guo1
1School of Automation Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China.
The Review of scientific instruments
|March 4, 2024
概括
本研究介绍了一种使用光纤通道 (FC) 系统的现场可编程门数组 (FPGA) 的亚纳秒时钟同步方法. 该技术可确保高速通信链路的精确时间.
科学领域:
- 电气工程 电气工程
- 计算机工程 计算机工程
- 电信 电信服务 电信服务 电信服务
背景情况:
- 精确的时钟同步对于像光纤通道 (FC) 这样的高速串行通信系统至关重要.
- 现有的同步方法可能无法满足现代数据速率的严格时间要求.
研究的目的:
- 建议和评估FC通信系统的亚纳秒时钟同步方案.
- 为了利用现场可编程网关数组 (FPGA) 和IEEE 1588协议进行精确的计时.
主要方法:
- 使用FPGAs和嵌入式IEEE 1588协议实现了一个时钟同步方案.
- 采用数字双混合器时间差和数据恢复技术来测量相差.
- 在FPGA中使用混合模式时钟管理器进行时钟相补偿.
主要成果:
- 在12.5Gbps的FC通信系统中实现了亚纳秒钟同步.
- 实验结果证明了拟议的同步模块的有效性.
结论:
- 提出的基于FPGA的时钟同步方案有效地实现了亚纳秒精度.
- 这种方法适用于需要精确计时的高速FC通信系统.
相关概念视频
Time and frequency -Domain Interpretation of Phase-lag Control
92
Phase-lag controllers are widely used in control systems to improve stability and reduce steady-state errors. A dimmer switch controlling the brightness of a light bulb serves as a practical example of phase-lag control, gradually adjusting the bulb's brightness. Mathematically, phase-lag control or low-pass filtering is represented when the factor 'a' is less than 1.
Phase-lag controllers do not place a pole at zero, but instead influence the steady-state error by amplifying any...
Phase-lag controllers do not place a pole at zero, but instead influence the steady-state error by amplifying any...
92
Load-frequency control
162
Load-frequency control (LFC) is vital for maintaining power system stability, ensuring that frequency and power flows remain within acceptable limits during load changes. Turbine-governor control eliminates rotor accelerations and decelerations following load changes. However, a steady-state frequency error persists when the change in the turbine-governor reference setting is zero. In an interconnected power system, each area agrees to export or import a scheduled amount of power through...
162
Time and frequency -Domain Interpretation of Phase-lead Control
84
Phase-lead controllers are commonly used in various control systems to enhance response speed and stability. Adjusting the brightness on a television screen offers a practical example of phase-lead control. When contrast is enhanced, a phase-lead controller is employed. Mathematically, phase-lead control is identified when the first parameter is smaller than the second.
The design of phase-lead control involves the strategic placement of poles and zeros to balance steady-state error and system...
The design of phase-lead control involves the strategic placement of poles and zeros to balance steady-state error and system...
84
Network Function of a Circuit
290
Frequency response analysis in electrical circuits provides vital insights into a circuit's behavior as the frequency of the input signal changes. The transfer function, a mathematical tool, is instrumental in understanding this behavior. It defines the relationship between phasor output and input and comes in four types: voltage gain, current gain, transfer impedance, and transfer admittance. The critical components of the transfer function are the poles and zeros.
290

