Earticle

초록

영어

By using MATLAB, a kind of software decoder is designed which has filter and fault correction function and is used in aviation radio communication. Through Morse code text, using dits and dashes to uniquely represent characters such as alphabets、numbers and punctuations (41), those characters are coded through algorithm. A new decoding algorithm is designed which is composed of filtration, binary, difference and zero removal operation. This decoding method is robust and interference immunity, it also has such functions as filtering and fault correction. It can filter the random noise and Gaussian noise so as to reduce the error rate of aviation radio communication and thereby increase the quality of aviation radio communication. This method is checked though an example to decode the word “Hello”.

목차

Abstract
 1. Introduction
 2. Basic Design Principle
 3. Algorithm
  3.1 Wave Form of Basic Element
  3.2. Definition of Codes Basic Elements
  3.3 Morse-code of String
 4. Decoding Algorithm
  4.1 Filter
  4.2. Binaryzation
  4.3 Difference
  4.4. Zero Removal and Time Interval of High and Low Voltage Level
  4.5. Wave Forms Compare, Obtaining dit, dash, Minimum Time Interval and Space
  4.6. Get Character from Morse-code
  4.7 Result
 5. Program and Results with Gauss Noise and Wrong Code
  5.1 Matlab Codes with Gauss Noise and Wrong Code
  5.2 Test Results Added with Gauss Noise and Wrong Code
  5.3 Result
 6. Conclusion
 Acknowledgments
 References

키워드

저자

• Shao Xuan [ School of Mechanical and Power Engineering, Harbin University of Science and Technology,Harbin, China ]
• Yong De Zhang [ School of Mechanical and Power Engineering, Harbin University of Science and Technology,Harbin, China ]

참고문헌

발행기관

간행물

표지보기 관심저널 등록

• 간행물명

  International Journal of Signal Processing, Image Processing and Pattern Recognition

• 간기

  격월간

• pISSN

  2005-4254

• 수록기간

  2008~2016

• 십진분류

  KDC 505 DDC 605