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Application of Biphase Complete Complementary Code for Ionospheric Sounding.

Guobin Yang1, Peng Duan2, Chunhua Jiang3

  • 1School of Electronic Information, Wuhan University, Wuhan 430072, China. gbyang@whu.edu.cn.

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This summary is machine-generated.

Biphase complete complementary code (CCC) effectively eliminates coherent interference in multi-station ionospheric sounding. This advanced technique improves ionosonde network performance over traditional methods.

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coherent interferencecomplete complementary codemulti-station ionospheric sounding

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Area of Science:

  • Space Physics
  • Radio Science
  • Signal Processing

Background:

  • Multi-station ionospheric sounding faces challenges with coherent interference.
  • Conventional complementary codes struggle to mitigate this interference effectively.

Purpose of the Study:

  • To introduce and evaluate biphase complete complementary code (CCC) for ionospheric sounding.
  • To address and overcome coherent interference in multi-station ionospheric sounding networks.

Main Methods:

  • Developed an algorithm for generating biphase CCC.
  • Detailed waveform construction and signal processing procedures.
  • Analyzed autocorrelation and cross-correlation characteristics via simulations.

Main Results:

  • Demonstrated the technical feasibility of applying CCC.
  • Experimental ionospheric sounding confirmed CCC's performance.
  • CCC successfully eliminated coherent interference in ionosonde networks.

Conclusions:

  • Biphase CCC is a superior method for multi-station ionospheric sounding.
  • CCC significantly enhances signal clarity by removing coherent interference.
  • This technology offers improved performance compared to conventional complementary codes.