Effect analysis and design on array geometry for coincidence imaging radar based on effective rank theory

Zha, Guofeng; Wang, Hongqiang; Yang, Zhaocheng; Cheng, Yongqiang; Qin, Yuliang

doi:10.1117/12.2234799

Cited by 3 publications

(6 citation statements)

References 10 publications

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“…The reason is that the randomness of radiation source is effectively characterized by TSRDE and the frequency and array geometry are integratedly optimized. The recovery result of design method 4 is slightly better than that of design method 1, because the array configuration is designed by the method proposed in [14]. The results of design method 2 and 3 are not as good as that of design method 5, because the frequency and array geometry are randomly generated without optimization process.…”

Section: Simulationmentioning

confidence: 94%

“…Firstly, the verification simulations that apply the proposed method to optimize the array configuration are done. Then we deeply investigate the relationship between the TSRDE and the number of effective singular value of TSSRF [14] which characterizes the randomness of radiation field. Finally, we simulate the imaging results of different radiation source design methods to test the effectiveness of the proposed radiation source optimization method.…”

Section: Numerical Simulationsmentioning

confidence: 99%

“…In this subsection, we aim to verify the effectiveness of TSRDE by investigating the relationship between TSRDE and the orthogonality of radiation field. Here the number of effective singular value of TSSRF [14] is utilized to quantitively characterize the orthogonality of radiation field. In simulation 2, firstly we apply the proposed method to optimize the design of radiation source in three different source configuration strategies under various time slices number, aperture length and bandwidth.…”

Section: Simulationmentioning

confidence: 99%

“…Method 4 [14]: The transmitters emit random hopping frequency signal, the signal frequency obeys uniform distribution. The array configuration is optimized based on the effective rank theory, the optimization algorithm is GA.…”

Section: Simulationmentioning

confidence: 99%

“…But the methods to design the array geometry and signal parameters are not involved. The researches in [14] investigate design method of array configuration based on the effective rank theory. But this method is based on the randomness evaluation of radiation field, and the computational complexity dramatically increases when we calculate the effective rank.…”

Section: Introductionmentioning

confidence: 99%

See 4 more Smart Citations

Random Radiation Source Optimization Method for Microwave Staring Correlated Imaging Based on Temporal-Spatial Relative Distribution Entropy

Meng¹,

Qian²,

Yuan³

et al. 2018

PIER M

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Abstract-Microwave Staring Correlated Imaging (MSCI) is a high-resolution radar imaging modality, whose resolution is mainly determined by the randomness of radiation source. To optimize the design of random radiation source, a novel concept of temporal-spatial relative distribution entropy (TSRDE) is proposed to describe the temporal-spatial stochastic characteristics of radiation source. The TSRDE can be utilized as the optimization criterion to design the array configuration and signal parameters by means of optimization algorithms. In this paper the genetic algorithm is applied to search for the best design. Numerical simulations are performed and the results show that the TSRDE is an effective method to characterize the randomness of radiation source, and the source parameters optimized by this method can dramatically improve the imaging resolution.

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Section: Simulationmentioning

confidence: 94%

Section: Numerical Simulationsmentioning

confidence: 99%

Section: Simulationmentioning

confidence: 99%

Section: Simulationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Random Radiation Source Optimization Method for Microwave Staring Correlated Imaging Based on Temporal-Spatial Relative Distribution Entropy

Meng¹,

Qian²,

Yuan³

et al. 2018

PIER M

View full text Add to dashboard Cite

show abstract

A real-time processing method for microwave staring correlated imaging based on sequential LS

Liu

Tian

Zhang

et al. 2016

2016 CIE International Conference on Radar (RADAR)

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Orthogonal Radiation Field Construction for Microwave Staring Correlated Imaging

Liu¹,

Wang²

2017

PIER M

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Microwave staring correlated imaging (MSCI) achieves high resolution imaging results by employing the temporal-spatial independent radiation field. In MSCI, the imaging performance is determined by the independent degree of the radiation field. In this paper, a novel kind of ideal independent radiation field named the orthogonal radiation field (ORF) is constructed for MSCI. Firstly, a group of two-dimensional (2-D) orthogonal basis functions are used to construct the ideal ORF samples. Then a method is proposed to construct the ORF samples by designing the transmitting signals. The numerical simulations validate the feasibility of this method. Finally, when the ORF is applied in MSCI, the numerical simulations achieve high resolution imaging results and demonstrate good imaging performance that is robust to noise.

show abstract

Effect analysis and design on array geometry for coincidence imaging radar based on effective rank theory

Cited by 3 publications

References 10 publications

Random Radiation Source Optimization Method for Microwave Staring Correlated Imaging Based on Temporal-Spatial Relative Distribution Entropy

Random Radiation Source Optimization Method for Microwave Staring Correlated Imaging Based on Temporal-Spatial Relative Distribution Entropy

A real-time processing method for microwave staring correlated imaging based on sequential LS

Orthogonal Radiation Field Construction for Microwave Staring Correlated Imaging

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