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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.
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A Method for Tracking the Time Evolution of Steady-State Evoked Potentials
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Research on the eLoran Differential Timing Method.

Yun Li1,2, Yu Hua1, Baorong Yan1

  • 1National Time Service Center, Chinese Academy of Sciences, Xi'an 710600, China.

Sensors (Basel, Switzerland)
|November 18, 2020
PubMed
Summary
This summary is machine-generated.

Enhanced long-range navigation (eLoran) offers a precise terrestrial backup to Global Navigation Satellite Systems (GNSS). This study applies eLoran differential timing technology to improve land-based navigation accuracy, achieving sub-20 ns timing errors.

Area of Science:

  • Navigation Systems Engineering
  • Geodesy and Geomatics

Background:

  • Enhanced Long-Range Navigation (eLoran) is a critical backup for Global Navigation Satellite Systems (GNSS).
Keywords:
correlationdifferenceeLoranerrortiming service

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  • Improving eLoran's timing accuracy to approach GNSS levels is an active area of research.
  • eLoran differential timing technology has proven effective in maritime applications.