Adaptive real‐time recursive radial distance‐time plane Hough transform track‐before‐detect algorithm for hypersonic target

Lin, Li; Zhang, Xiangyu; Yu, Hongbo

doi:10.1049/iet-rsn.2019.0198

Cited by 10 publications

(5 citation statements)

References 22 publications

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“…The increase of the attenuation factor helps to solve the time loss caused by continuously deleting and increasing the energy of the measurement point in the recursive processing, setting different clutter densities, and observing the comparison of the running time of the algorithm in this paper and the algorithm in reference [8], such as Table 1 The running time of the algorithm in reference [8] /s 20.2 21.5 22.9 24.0 24.9 25.6 26.8 27.8…”

Section: Discussionmentioning

confidence: 99%

“…However, the above algorithms all assume that the hypersonic target moves along a straight line or is regarded as a straight line movement in a short period of time, which is also restricted by the Hough transform itself, which only has a good detection effect on the approximate straight line. When the processing time is lengthened and the target moves in a "snake shape", reference [8] adopts the recursive Hough transform method, which regards the target within a short time interval as moving along a straight line, and only the time period is recursively performed each time. The measurement points at the first and last moments are deleted and accumulated to effectively solve this problem and reduce the amount of calculation, but the calculation amount of the algorithm is still relatively large.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Hypersonic snake maneuvering target detection algorithm in complex electromagnetic environment

Bo,

Zhang,

et al. 2023

AOPC 2023: Optical Sensing, Imaging, and Display Technology and Applications; And Biomedical Optics

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Hypersonic snake maneuvering target detection algorithm in complex electromagnetic environment

Bo,

Zhang,

et al. 2023

AOPC 2023: Optical Sensing, Imaging, and Display Technology and Applications; And Biomedical Optics

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“…The non-coherent integration among the scanning frames in addition to coherent integration is another powerful mean to improve the detection probability [19][20][21][22]. Hough transform [23,24] is one of the widely-used techniques for integration among the scanning frames. However, Hough transform can only detect linear trajectories, and thus, the detection performance will decline with the increase of the target's speed and its acceleration.…”

Section: Introductionmentioning

confidence: 99%

Detection of hypersonic weak targets by high pulse repetition frequency radar based on multi‐hypothesis fuzzy‐matching radon transform

Wei,

Dandan,

Guohong

2023

IET Radar Sonar & Navi

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For the integration detection of near space hypersonic weak targets by high pulse repetition frequency (PRF) radar, a novel method named Multi‐Hypothesis Fuzzy‐Matching Radon transform (MHFM‐RT) is proposed for the near space hypersonic target detection and tracking. For remote hypersonic target detection, to avoid range ambiguity, current radars always use a low PRF mode, which limit the number of pulse accumulations. Using the high PRF mode, the fuzzy folding will appear in the target range measurements when target trajectory crosses range fuzzy intervals. Therefore, there is a contradiction between range ambiguity and energy accumulation. The proposed method is used to match the fuzzy measurements, so as to realise the correct integration in the condition of range ambiguity. Firstly, considering the need of range ambiguity resolution, the mode of staggered PRF is used. Secondly, the first frame measurements are periodically extended for multiple‐fuzzy hypothesis. Finally, the weak target track is accumulated in MHFM‐RT domain, and the signal integration and ambiguity resolution can be realised simultaneously. The proposed method expands the Variable‐Diameter‐Arc‐Helix Radon transform (VDAH‐RT) method to fuzzy folding conditions. Compared with the existing methods, for 7‐scan measurements non‐coherent integration, the detection sensitivity of the proposed method is about 0.5–1 dB higher than that of the IMM hybrid filter algorithm, and about 1 dB higher than that of the RHT‐TBD approach, and it needs less storage space and has higher detection probability.

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“…A hypersonic gliding vehicle (HGV) usually refers to an aircraft with a speed above 5 Ma and flying airspace between 20 and 100 km [1,2]. Due to the rapid flight speed and strong penetration ability, it poses severe challenges to the existing early warning detection system.…”

Section: Introductionmentioning

confidence: 99%

A search method for a hypersonic gliding vehicle based on early warning information guidance

Zhang¹,

Jia-jun²,

Li³

et al. 2022

IET Radar Sonar & Navi

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The high speed and high manoeuvrability of a hypersonic gliding vehicle (HGV) pose a severe challenge to the existing early warning detection system. Optimising the search resources of a phased array radar to improve the HGV detecting efficiency has become a practical problem. In this study, a HGV search method based on a hybrid optimisation algorithm is proposed with the early warning information guidance as a priori condition. Firstly, the HGV priority judgement model is established, and the priority quantification equations for height, velocity and distance are designed. Secondly, the search parameters of the radar are optimised with the maximum cumulative detection probability, the shortest average discovery time and the highest priority level as the objective functions, and a radar search model is established. Finally, to overcome the problem that particle swarm optimisation (PSO) is easy to fall into local optimal solution, a hybrid optimisation algorithm based on differential evolution (DE) and PSO is proposed. The performance of the proposed method is verified in two simulation scenarios, and the results show that the proposed method outperforms existing mainstream search methods and can reasonably allocate search resources according to the priority of HGV.

show abstract

Adaptive real‐time recursive radial distance‐time plane Hough transform track‐before‐detect algorithm for hypersonic target

Cited by 10 publications

References 22 publications

Hypersonic snake maneuvering target detection algorithm in complex electromagnetic environment

Hypersonic snake maneuvering target detection algorithm in complex electromagnetic environment

Detection of hypersonic weak targets by high pulse repetition frequency radar based on multi‐hypothesis fuzzy‐matching radon transform

A search method for a hypersonic gliding vehicle based on early warning information guidance

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