A Fast Fitting Method for Combined Pulse Power Spectrum of Carrier-free Ultra Wide-band Fuze

ZHU Hang; HOU Linsheng; KANG Guoqin; ZOU Xiaojun; SONG Wei; TAN Ming; ZHANG Shuning

doi:10.11999/JEIT230415

Volume 45 Issue 11

Nov. 2023

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Article Navigation > Journal of Electronics & Information Technology > 2023 > 45(11): 3927-3934

ZHU Hang, HOU Linsheng, KANG Guoqin, ZOU Xiaojun, SONG Wei, TAN Ming, ZHANG Shuning. A Fast Fitting Method for Combined Pulse Power Spectrum of Carrier-free Ultra Wide-band Fuze[J]. Journal of Electronics & Information Technology, 2023, 45(11): 3927-3934. doi: 10.11999/JEIT230415

Citation:

ZHU Hang, HOU Linsheng, KANG Guoqin, ZOU Xiaojun, SONG Wei, TAN Ming, ZHANG Shuning. A Fast Fitting Method for Combined Pulse Power Spectrum of Carrier-free Ultra Wide-band Fuze[J]. Journal of Electronics & Information Technology, 2023, 45(11): 3927-3934. doi: 10.11999/JEIT230415

Citation:

ZHU Hang, HOU Linsheng, KANG Guoqin, ZOU Xiaojun, SONG Wei, TAN Ming, ZHANG Shuning. A Fast Fitting Method for Combined Pulse Power Spectrum of Carrier-free Ultra Wide-band Fuze[J]. Journal of Electronics & Information Technology, 2023, 45(11): 3927-3934. doi: 10.11999/JEIT230415

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A Fast Fitting Method for Combined Pulse Power Spectrum of Carrier-free Ultra Wide-band Fuze

doi: 10.11999/JEIT230415

1.
College of Information and Communication, National University of Defense Technology, Wuhan 430000, China
2.
School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China

Funds: The National Natural Science Foudation of China (62201579, 62201580)

Received Date: 2023-05-15
Rev Recd Date: 2023-07-10

Available Online: 2023-07-13

Publish Date: 2023-11-28

Abstract

Abstract

A fast power spectrum fitting method based on Orthogonal Basis Searching (OBS) is proposed to meet the requirements of Gaussian pulse combination waveform design for Carrier free Ultra Wide-Band (UWB) fuze. Multiple candidate Gaussian pulse functions are constructed according to the value range of the pulse forming factor, and on the basis of power spectrum design by maximizing mutual information, power spectrum fitting is carried out in a cyclic iteration method. In each iteration, Schmidt Orthogonalization is performed on the candidate Gaussian pulse functions, and the best one matches the residual amplitude spectrum is quickly found through the inner product calculation. Finally, the weighting coefficient is determined according to the matrix relationship between the selected Gaussian pulse functions and their Orthogonalization functions, so as to obtain the waveform combined with multi-pulse, which makes the fitted power spectrum and the designed one achieve good similarity. The effectiveness of the proposed method and its efficiency compared to the particle swarm optimization algorithm have been verified through simulation.
- Carrier free Ultra Wide-Band(UWB) fuze,
- Gaussian pulse combination waveform,
- Waveform design,
- Orthogonal Basis Searching (OBS),
- Power spectrum fitting

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References(16)

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