基于NYFR采样均匀线阵结构的参数估计方法

doi:10.12305/j.issn.1001-506X.2024.12.04

Abstract

Abstract:

In order to overcome the influence of huge data volume caused by traditional Nyquist sampling, and to solve the problem of signal reception effectively in the wider band range and the estimation of signal carrier frequency (CF) and direction of arrival (DOA) parameters. An uniform linear array structure based on sampling of Nyquist folding receiver (NYFR) is proposed. Firstly, a multi-channel NYFR sampling array structure is constructed to receive the incident signal and process the fold sampling.Secondly, the phase consistency of the multi-channel NYFR sampling signal is analyzed and verified. Finally, simulation experiments are carried out in the unknown and known original Nyquist zone (NZ) of sigal source. The simulation experimental results show that the signal model under the array structure proposed in this paper is not only suitable for the CF and DOA joint estimation method, but also suitable for multiple DOA estimation algorithms, which verifies the correctness and effectiveness of the array structure.

Key words: uniform linear array, Nyquist folding receiver (NYFR), folding sampling, carrier frequency(CF) and direction of arrival (DOA) joint estimation

CLC Number:

TN911.7

Tao CHEN, Yaopeng LIANG, Yuwei YU. Parameter estimation method based on NYFR sampling uniform linear array structure[J]. Systems Engineering and Electronics, 2024, 46(12): 3965-3972.

Figures/Tables 10

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Parameter estimation method based on NYFR sampling uniform linear array structure

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