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Related Concept Videos

Feedback control systems01:26

Feedback control systems

Feedback control systems are categorized in various ways based on their design, analysis, and signal types.
Linear feedback systems are theoretical models that simplify analysis and design. These systems operate under the principle that their output is directly proportional to their input within certain ranges. For instance, an amplifier in a control system behaves linearly as long as the input signal remains within a specific range. However, most physical systems exhibit inherent nonlinearity...
Effects of feedback01:24

Effects of feedback

Feedback in control systems plays a critical role in shaping various operational parameters, extending beyond simple error reduction to influence stability, bandwidth, gain, impedance, and sensitivity. Understanding these effects requires examining a basic feedback system characterized by defined input, output, error, and feedback signals.
Feedback significantly modifies the gain of a control system. The gain of a system without feedback is altered by a factor of one plus GH, where G represents...
Root Loci for Positive-Feedback Systems01:23

Root Loci for Positive-Feedback Systems

The Hartley oscillator is a positive feedback system that sustains oscillations by feeding the output back to the input in phase, thereby reinforcing the signal. Positive feedback systems can be viewed as negative feedback systems with inverted feedback signals. In these systems, the root locus encompasses all points on the s-plane where the angle of the system transfer function equals 360 degrees.
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Cascaded Op Amps01:16

Cascaded Op Amps

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Bewley Lattice Diagram01:12

Bewley Lattice Diagram

The Bewley lattice diagram, developed by L. V. Bewley, effectively organizes the reflections occurring during transmission-line transients. It visually represents how voltage waves propagate and reflect within a transmission line, making it easier to understand the complex interactions that occur.
SFG Algebra01:16

SFG Algebra

In Signal Flow Graph (SFG) algebra, the value a node represents is determined by the sum of all signals entering that node. This summed value is then transmitted through every branch leaving the node, making the SFG a powerful tool for visualizing and analyzing control systems.
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Matching of distributed-feedback structures.

H A Haus

    Optics Letters
    |October 2, 2009
    PubMed
    Summary
    This summary is machine-generated.

    Distributed-feedback structures offer enhanced dispersion for soliton switching with nonlinear materials. Researchers investigated matching these structures to preceding and following uniform grating sections for optimal performance.

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    Area of Science:

    • Optics and Photonics
    • Materials Science

    Background:

    • Soliton switching requires increased optical dispersion.
    • Distributed-feedback structures are potential candidates for achieving this dispersion.

    Purpose of the Study:

    • To investigate the matching of distributed-feedback structures with uniform grating sections.
    • To assess the feasibility of these structures for future soliton switching applications.

    Main Methods:

    • Analysis of distributed-feedback structures.
    • Investigating matching conditions with uniform grating sections of identical periodicity.

    Main Results:

    • The study explores the matching requirements for distributed-feedback structures.
    • The proposed matching method is detailed for integration with uniform gratings.

    Conclusions:

    • Distributed-feedback structures are promising for soliton switching with advanced nonlinear materials.
    • The developed matching technique may have broader applications in optical systems.