概括
在多核光纤系统中分析了核心间交叉声 (IC-XT). 一个光学载体显著影响比特误差比率 (BER) 的波动,可以通过去除载体来减少.
科学领域:
- 光学通信是指光学通信.
- 光子学是指光子学的使用方法.
- 光纤光学是指光纤的使用.
背景情况:
- 多核光纤 (MCF) 系统中的核心间交叉通道 (IC-XT) 从根本上限制了空间分割复杂化 (SDM) 的容量.
- 了解IC-XT对于优化高容量光通信系统至关重要.
研究的目的:
- 在MCF系统中开发IC-XT大小的闭式表达式.
- 解释光学信号的短期平均交叉声 (STAXT) 和比特误差比率 (BER) 的波动机制,无论有或没有光学载体.
- 调查IC-XT对远程传输性能的影响.
主要方法:
- 对于IC-XT大小的封闭式表达式的导数.
- 使用7x10Gb/s SDM系统实验验证,实时测量BER和中断概率.
- 研究用于长途传输的7核循环循环光纤循环.
- 开发一个频域IC-XT测量技术.
主要成果:
- 提出的理论准确地解释了STAXT和BER的波动行为.
- 一个没有调节的光学载波在很大程度上影响了BER波动.
- 删除光学载体可以将BER波动范围降低三倍.
- 较长的传输距离缩小了BER波动范围,表明其他因素变得占主导地位.
结论:
- 开发的IC-XT模型为了解MCF系统中的信号波动提供了理论基础.
- 光学载体的存在显著加剧了BER波动,突出了它在系统设计中的重要性.
- 该研究提供了关于减轻IC-XT效应的见解,以提高长途SDM传输的性能.
相关概念视频
Multimachine Stability
198
Multimachine stability analysis is crucial for understanding the dynamics and stability of power systems with multiple synchronous machines. The objective is to solve the swing equations for a network of M machines connected to an N-bus power system.
In analyzing the system, the nodal equations represent the relationship between bus voltages, machine voltages, and machine currents. The nodal equation is given by:
In analyzing the system, the nodal equations represent the relationship between bus voltages, machine voltages, and machine currents. The nodal equation is given by:
198
BIBO stability of continuous and discrete -time systems
447
System stability is a fundamental concept in signal processing, often assessed using convolution. For a system to be considered bounded-input bounded-output (BIBO) stable, any bounded input signal must produce a bounded output signal. A bounded input signal is one where the modulus does not exceed a certain constant at any point in time.
To determine the BIBO stability, the convolution integral is utilized when a bounded continuous-time input is applied to a Linear Time-Invariant (LTI) system....
To determine the BIBO stability, the convolution integral is utilized when a bounded continuous-time input is applied to a Linear Time-Invariant (LTI) system....
447
Stability
160
The time response of a linear time-invariant (LTI) system can be divided into transient and steady-state responses. The transient response represents the system's initial reaction to a change in input and diminishes to zero over time. In contrast, the steady-state response is the behavior that persists after the transient effects have faded.
The stability of an LTI system is determined by the roots of its characteristic equation, known as poles. A system is stable if it produces a bounded...
The stability of an LTI system is determined by the roots of its characteristic equation, known as poles. A system is stable if it produces a bounded...
160
Stability of structures
197
In mechanical engineering, the stability of systems under various forces is critical for designing durable and efficient structures. One fundamental way to explore these concepts is by analyzing systems like two rods connected at a pivot point, O, with a torsional spring of spring constant k at the pivot point. This system is similar in appearance to a scissor jack used to change tires on a car. In this case, the arms of the linkage (equivalent to the rods in this system) are entirely vertical,...
197
Fast Decoupled and DC Powerflow
241
The fast decoupled power flow method addresses contingencies in power system operations, such as generator outages or transmission line failures. This method provides quick power flow solutions, essential for real-time system adjustments. Fast decoupled power flow algorithms simplify the Jacobian matrix by neglecting certain elements, leading to two sets of decoupled equations:
241
Types of Damping
6.5K
If the amount of damping in a system is gradually increased, the period and frequency start to become affected because damping opposes, and hence slows, the back and forth motion (the net force is smaller in both directions). If there is a very large amount of damping, the system does not even oscillate; instead, it slowly moves toward equilibrium. In brief, an overdamped system moves slowly towards equilibrium, whereas an underdamped system moves quickly to equilibrium but will oscillate about...
6.5K


