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Technology of Network & Communication
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1858-1862

Capture of TMBOC signals based on all-phase spectrum correction

Zhao Jiangena,b
Zhang Tianqia,b
Yu Shengqia,b
a. School of Communication & Information Engineering, b. Chongqing Key Laboratory of Signal & Information Processing, School of Communication & Information Engineering, Chongqing University of Posts & Telecommunications, Chongqing 400065, China

Abstract

For the problem of the traditional partial matched filter(PMF) combined with fast Fourier transform(FFT) could not accurately capture the time-division multiplexed binary offset carrier(TMBOC) modulated signal, this paper proposed a capture method based on all-phase spectrum correction. Firstly, it received signal with PMF for partial correlation operation, then used the all-phase fast Fourier transform(apFFT) algorithm to compensate the Doppler effect. Finally, the power spectrum was corrected in combination with the all-phase spectrum correction technique. The experimental results show that, under the same conditions, the proposed scheme improves the detection probability by about 3 dB than the PMF-FFT windowing algorithm, and shortens effectively the acquisition time. This algorithm captures the TMBOC signal more accurately than the PMF-FFT windowing algorithm.

Foundation Support

国家自然科学基金资助项目(61671095,61702065,61701067,61771085)
信号与信息处理重庆市市级重点实验室建设项目(CSTC2009CA2003)
重庆市研究生科研创新项目(CYS17219)
重庆市教育委员会科研项目(KJ1600427,KJ1600429)

Publish Information

DOI: 10.19734/j.issn.1001-3695.2018.12.0898
Publish at: Application Research of Computers Printed Article, Vol. 37, 2020 No. 6
Section: Technology of Network & Communication
Pages: 1858-1862
Serial Number: 1001-3695(2020)06-053-1858-05

Publish History

[2020-06-05] Printed Article

Cite This Article

赵健根, 张天骐, 喻盛琪. 基于全相位频谱校正的TMBOC信号的捕获 [J]. 计算机应用研究, 2020, 37 (6): 1858-1862. (Zhao Jiangen, Zhang Tianqi, Yu Shengqi. Capture of TMBOC signals based on all-phase spectrum correction [J]. Application Research of Computers, 2020, 37 (6): 1858-1862. )

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  • Application Research of Computers Monthly Journal
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Application Research of Computers, founded in 1984, is an academic journal of computing technology sponsored by Sichuan Institute of Computer Sciences under the Science and Technology Department of Sichuan Province.

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