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NYFR output pulse radar signal TOA analysis using extended Fourier transform and its TOA estimation
被引量:
6
1
作者
zhaoyang qiu
Pei Wang
+1 位作者
Jun Zhu
Bin Tang
《Journal of Systems Engineering and Electronics》
SCIE
EI
CSCD
2017年第2期212-223,共12页
Nyquist folding receiver (NYFR) is a typical wideband analog-to-information architecture. Focusing on the non-cooperative receiving, the pulse radar signal intercepted by the NYFR in time domain is analyzed. The NYFR ...
Nyquist folding receiver (NYFR) is a typical wideband analog-to-information architecture. Focusing on the non-cooperative receiving, the pulse radar signal intercepted by the NYFR in time domain is analyzed. The NYFR outputs under different input conditions are investigated based on the extended Fourier transform (EFT) and the sampling theorem. Combining with the characteristic of the NYFR output in time domain, a new time of arrival (TOA) estimation method based on the energy envelope and the wavelet transform is proposed. The proposed estimation method can be adapted for the non-cooperative situation. It has no requirement for prior information to determine the threshold and is not necessary to transform the signal into baseband. Simulation results prove the correctness of the NYFR output expressions and show the efficacy of the proposed estimation method. © 2017 Beijing Institute of Aerospace Information.
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关键词
Fourier
transforms
RADAR
Time
domain
analysis
Wavelet
transforms
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题名
NYFR output pulse radar signal TOA analysis using extended Fourier transform and its TOA estimation
被引量:
6
1
作者
zhaoyang qiu
Pei Wang
Jun Zhu
Bin Tang
机构
School of Electronic Engineering
出处
《Journal of Systems Engineering and Electronics》
SCIE
EI
CSCD
2017年第2期212-223,共12页
基金
supported by the National Natural Science Foundation of China(61571088)
the State High-Tech Development Plan(the 863 Program)(2015AA7031093B
2015AA8098088B)
文摘
Nyquist folding receiver (NYFR) is a typical wideband analog-to-information architecture. Focusing on the non-cooperative receiving, the pulse radar signal intercepted by the NYFR in time domain is analyzed. The NYFR outputs under different input conditions are investigated based on the extended Fourier transform (EFT) and the sampling theorem. Combining with the characteristic of the NYFR output in time domain, a new time of arrival (TOA) estimation method based on the energy envelope and the wavelet transform is proposed. The proposed estimation method can be adapted for the non-cooperative situation. It has no requirement for prior information to determine the threshold and is not necessary to transform the signal into baseband. Simulation results prove the correctness of the NYFR output expressions and show the efficacy of the proposed estimation method. © 2017 Beijing Institute of Aerospace Information.
关键词
Fourier
transforms
RADAR
Time
domain
analysis
Wavelet
transforms
Keywords
Fourier transforms
Radar
Time domain analysis
Wavelet transforms
分类号
TN957.51 [电子电信—信号与信息处理]
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NYFR output pulse radar signal TOA analysis using extended Fourier transform and its TOA estimation
zhaoyang qiu
Pei Wang
Jun Zhu
Bin Tang
《Journal of Systems Engineering and Electronics》
SCIE
EI
CSCD
2017
6
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