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Related Concept Videos

Network Function of a Circuit01:25

Network Function of a Circuit

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.
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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:

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Related Experiment Video

Updated: May 13, 2026

Quasi-light Storage for Optical Data Packets
07:45

Quasi-light Storage for Optical Data Packets

Published on: February 6, 2014

High performance and flexible FPGA-based time shared optical network (TSON) metro node.

Yan Yan1, Georgios Zervas, Yixuan Qin

  • 1High-performance Networks group, Merchant Ventures School of Engineering, University of Bristol, UK. eexyy@bristol.ac.uk

Optics Express
|March 14, 2013
PubMed
Summary
This summary is machine-generated.

This study introduces a flexible Time Shared Optical Network (TSON) metro node, achieving high throughput and low latency. The FPGA-based system demonstrates exceptional performance for optical networks.

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Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station
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Published on: April 1, 2020

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Last Updated: May 13, 2026

Quasi-light Storage for Optical Data Packets
07:45

Quasi-light Storage for Optical Data Packets

Published on: February 6, 2014

Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station
05:57

Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station

Published on: April 1, 2020

Area of Science:

  • Telecommunications Engineering
  • Computer Networking
  • Optical Network Architectures

Background:

  • Metro networks require flexible and high-performance nodes.
  • Existing solutions may lack granular control over Quality of Service (QoS).
  • Time-shared optical network (TSON) concepts offer potential for efficient resource allocation.

Purpose of the Study:

  • To present the architecture, implementation, and evaluation of a flexible, finely granular TSON metro node.
  • To focus on an FPGA-based Layer 2 TSON metro node system.
  • To demonstrate the performance and QoS capabilities of the developed TSON node.

Main Methods:

  • Designed and implemented a flexible, finely granular TSON metro node architecture.
  • Utilized Field-Programmable Gate Arrays (FPGAs) for Layer 2 processing.
  • Conducted experimental measurements to evaluate system performance.
  • Employed diverse time-slice allocation schemes for QoS differentiation.

Main Results:

  • Achieved exceptional throughput of up to 8.68 Gbps per 10 Gbps port.
  • Reached 95.38% of the theoretical maximum throughput.
  • Demonstrated latency below 160 μsec and jitter below 25 μsec.
  • Successfully delivered differentiated, guaranteed QoS latency levels.

Conclusions:

  • The FPGA-based Layer 2 TSON metro node offers high performance and flexibility.
  • The system provides guaranteed, contention-free QoS with diverse time-slice allocation.
  • TSON architecture is a viable solution for advanced metro network requirements.