Design for a measurement system of led precision approach path indicator units

Aiming Ge, Xianjie Song, Minchen Wei

Research output: Journal article publicationJournal articleAcademic researchpeer-review


The paper designs and manufactures a special measurement system for LED Precision Approach Path Indicator (PAPI) units, which is controlled by computer and can sample the beam, transfer, analyze and process the data and get result automatically. Compared with the present method, the system has advantages with high efficiency, high precision and automation, which can guarantee the accuracy of the signals produced by PAPI.
Original languageEnglish
Pages (from-to)63-65
Number of pages3
JournalLight and Engineering
Issue number4
Publication statusPublished - 1 Dec 2009
Externally publishedYes


  • Intensity distribution for beam
  • LED path indicator
  • Transition angle

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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