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A Noise Robust Micro-Range Estimation Method for Precession Cone-Shaped Targets

Zhenyu Zhuo, Yu Zhou, Lan Du, Ke Ren, Yi Li
2021 Remote Sensing  
The estimation of micro-Range (m-R) is important for micro-motion feature extraction and imaging, which provides significant supports for the classification of a precession cone-shaped target.  ...  To solve these problems, a noise-robust m-R estimation method, which combines the adaptive Kalman filter (AKF) and the random sample consensus (RANSAC) algorithm, is proposed in this paper.  ...  Conclusions In this paper, we proposed a micro-Range estimation method combining the AKF and the RANSAC algorithm for a cone-shaped space target.  ... 
doi:10.3390/rs13091820 fatcat:wdxelmggmvdizakyw5q3f3ajmu

Novel Approach for Ballistic Targets Classification from HRRP Frame

Adriano Rosario Persico, Christos Ilioudis, Carmine Clemente, John Soraghan
2017 2017 Sensor Signal Processing for Defence Conference (SSPD)  
Therefore an and cone plus cylinder (see Figure 2). The number of scattering accurate estimation of the main rotation rate of target micro- points depends on the target shape.  ...  For example, Figure 4d shows the of a cone for a whole rotation period, �� , for different couples IRT of the range map from a precessing cone, in which each (�, �) and their IRT.  ... 
doi:10.1109/sspd.2017.8233248 fatcat:yh5k3mgofnfrtbklkipbra3i3m

Classification of Space Objects by Using Deep Learning with Micro-Doppler Signature Images

Kwangyong Jung, Jae-In Lee, Nammoon Kim, Sunjin Oh, Dong-Wook Seo
2021 Sensors  
Therefore, the existing methods cannot guarantee that the classifier learns more robust target characteristics.  ...  Radar target classification is an important task in the missile defense system. State-of-the-art studies using micro-doppler frequency have been conducted to classify the space object targets.  ...  The precession angle (θ) of the cone-shaped target is set in the range of 4 degrees to 12 degrees, while tumbling debris have a precession angle of 90 degrees.  ... 
doi:10.3390/s21134365 pmid:34202331 pmcid:PMC8271875 fatcat:c5cpsijem5co3bybgre37avyji

A Method for the Micro-Motion Signal Separation and Micro-Doppler Extraction for the Space Precession Target

Xuguang Xu, Cunqian Feng, Sisan He
2020 IEEE Access  
Aiming at the problem of micro-motion signal separation and micro-Doppler extraction of the precession target, a new method based on singular value decomposition (SVD) and joint approximate diagonalization  ...  the precession period of the target.  ...  PRECESSION MODEL OF THE TARGET The precession model of the cone-shaped target is shown in Fig. 1 .  ... 
doi:10.1109/access.2020.3008480 fatcat:nrbhggzcwbhe3pbkajveorrgmy

An Improved Phase-Derived Range Method Based on High-Order Multi-Frame Track-Before-Detect for Warhead Detection

Nannan Zhu, Shiyou Xu, Congduan Li, Jun Hu, Xinlan Fan, Wenzhen Wu, Zengping Chen
2021 Remote Sensing  
In this paper, a novel phase-derived range method, using high-order multi-frame track-before-detect is proposed for micro-Doppler curve extraction under a low signal-to-noise ratio (SNR).  ...  Although a decoy has a similar shape to the warhead, it is believed that the true warhead can be separated by its micro-Doppler features introduced by the precession and nutation.  ...  A Noise Robust Micro-Range Estimation Method for Precession Cone-Shaped Targets. Remote Sens. 2021, 13, 1820. [CrossRef] 23. Zeng, C.; Li, D.; Luo, X.; Song, D.W.; Liu, H.Q.; Su, J.  ... 
doi:10.3390/rs14010029 fatcat:57kiakn6ubbfpcyqlehazccbdu

Micro-Motion Parameter Extraction for Ballistic Missile with Wideband Radar Using Improved Ensemble EMD Method

Nannan Zhu, Jun Hu, Shiyou Xu, Wenzhen Wu, Yunfan Zhang, Zengping Chen
2021 Remote Sensing  
An energy threshold is designed to select proper IMFs to reconstruct the envelop for high estimation accuracy and low noise effects.  ...  It is known that the phase-derived range (PDR) method can provide a sub-wavelength level accuracy. However, it is sensitive and unstable when the signal-to-noise ratio (SNR) is low.  ...  Acknowledgments: The authors would like to thank Lei Zhang, Congduan Li, Xueqing Fang, Guanghui Wu, and Xiping Sun for their valuable suggestions and technical supports.  ... 
doi:10.3390/rs13173545 fatcat:dd43fem5uvgtjlqnivrxqrluoi

Instantaneous Frequency Estimation Based on Modified Kalman Filter for Cone-Shaped Target

Ke Ren, Lan Du, Xiaofei Lu, Zhenyu Zhuo, Lu Li
2020 Remote Sensing  
For a cone-shaped target, IF estimation is not a trivial issue due to the proximity of the energy of the IF components, the intersections among different IF components, and the existence of noise.  ...  The instantaneous frequency (IF) is a vital parameter for the analysis of non-stationary multicomponent signals, and plays an important role in space cone-shaped target recognition.  ...  For a cone-shaped target with micro-motion, there are multiple IF components.  ... 
doi:10.3390/rs12172766 fatcat:zunoi6wifbh7xfulnftoiwfmna

A Doppler aliasing free micro-motion parameter estimation method in the terahertz band

Qi Yang, Bin Deng, Hongqiang Wang, Yuliang Qin
2017 EURASIP Journal on Wireless Communications and Networking  
Micro-Doppler, induced by micro-motion of targets, is an important characteristic for target recognition once extracted via parameter estimation.  ...  The high estimation precision and excellent noise immunity of this method are verified through simulations based on CST data and experiments based on a 0.33 THz radar system.  ...  The Doppler aliasing free micro-motion parameter estimation method was derived and implemented by QY. HW wrote the Abstract and BD wrote the Conclusions.  ... 
doi:10.1186/s13638-017-0845-z fatcat:mwqldmb2crbdtk6dpk6lfosuje

Novel Classification Algorithm for Ballistic Target based on HRRP frame

A. R. Persico, C. V. Ilioudis, C. Clemente, J. J. Soraghan
2019 IEEE Transactions on Aerospace and Electronic Systems  
This paper introduces a novel solution for the classification of ballistic targets based on the computation of the inverse Radon transform of the target signatures, represented by a high resolution range  ...  Namely, the precession for warheads and the tumbling for decoys are taken into account.  ...  (β, θ) = (90 • , 90 • ), (b) range map tumbling cone with (β, θ) = (60 • , 90 • ), (c) range map for precessing cone with (β, θ) = (60 • , 10 • ); (d),(e) and (f) are the IRT of the range maps (a),(b)  ... 
doi:10.1109/taes.2019.2905281 fatcat:2zotpq6rerayfkxvzvzhgrnjmq

ISAR IMAGING AND SCALING METHOD OF PRECESSION TARGETS IN WIDEBAND T/R-R BISTATIC RADAR

Xiaofeng Ai, Yonghu Zeng, Liandong Wang, Manxi Wang, Yongzhen Li
2017 Progress In Electromagnetics Research M  
The bistatic wideband radar echo model of the spatial precession cone-shaped target is induced, and bistatic ISAR imaging method based on time-frequency analysis is described.  ...  Combined with the monostatic and bistatic scattering characteristics of cone-shaped targets, the cross scaling method is presented through range instantaneous Doppler (RID) image matching using T/R-R bistatic  ...  INTRODUCTION Precession is a typical micro-motion of ballistic targets [1] and widely used for ballistic mid course target parameter estimation, imaging and recognition. Ref.  ... 
doi:10.2528/pierm16111302 fatcat:zjtpxtwkgbb4vg5pos5eb2unq4

Pseudo Maximum Likelihood Estimations of ballistic missile precession frequency

Lihua Liu, Mounir Ghogho, Des McLernon, Weidong Hu
2011 2011 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)  
We first establish the dynamic Radar Cross Section (RCS) signal model for a conical ballistic missile warhead with precession motion. Scintillation is modeled as a log-normal multiplicative noise.  ...  Simulations show that accounting for the multiplicative noise in the estimation significantly improves estimation performance. 3796 978-1-4577-0539-7/11/$26.00  ...  Precession motion, which is a kind of micro-Doppler motion, will impose a micro-Doppler modulation effect on the radar echoes, and this is a unique feature of the ballistic targets.  ... 
doi:10.1109/icassp.2011.5947178 dblp:conf/icassp/LiuGMH11 fatcat:rpk42yg2grdhnb4zighehg2buq

Envelope Correction of Micro-Motion Targets in the Terahertz ISAR Imaging

2018 Sensors  
Zhang et al. proposed a frequency estimation method of micro-motion targets with complicated translations based on piecewise translation compensation and time-frequency squared difference sequences [8]  ...  According to the characteristics of the micro-motion targets and the superiorities of terahertz imaging radar, an envelope correction method for micro-motion targets in the terahertz region was proposed  ...  Unlike the small-angle targets, the micro-motion targets, such as the helicopter with rotating rotors and the precession ballistic targets, often require a long observation times for parameter estimation  ... 
doi:10.3390/s18010228 pmid:29342926 pmcid:PMC5795949 fatcat:u232yshgtnfkddzgb532qcs7da

Deep Learning Network for Classifying Target of Same Shape using RCS Time Series [chapter]

Rashmi Narasimhamurthy, Osamah Ibrahim Khalaf
2021 Air Traffic Management and Control  
In this study we mainly focus on the radar target recognition in different shapes like cone, cylinder and sphere based on radar cross section (RCS).  ...  Machine learning has had a significant impact on the entire industry as a result of its high computational competency for target prediction with precise data analysis.  ...  Range-Doppler imaging, phase-derived ranging, and micro-motion characteristics are all obtained using advanced signal processing methods in HRRs.  ... 
doi:10.5772/intechopen.99619 fatcat:ido4h25wx5bqpct45wtysrtkmu

FEATURES EXTRACTION OF ROTATIONALLY SYMMETRIC BALLISTIC TARGETS BASED ON MICRO-DOPPLER

Xiaoyi Pan, Wei Wang, Jin Liu, De-Jun Feng, Yongcai Liu, Guoyu Wang
2013 Electromagnetic Waves  
It is potentially useful to perform target identification using micro-Doppler features because they contain information on the geometrical structure of the target.  ...  Inspired by the extended Hough transform (EHT), a method to extract all the six parameters of the BT is proposed.  ...  The Hough transform (HT) is treated as one of the most effective methods for the detection of straight lines, and the advantage of the HT is its stability and robustness when working on images where noise  ... 
doi:10.2528/pier13020110 fatcat:vgq2wokxazbsbahnw435cqsv5i

3-D IMAGING OF HIGH-SPEED MOVING SPACE TARGET VIA JOINT PARAMETRIC SPARSE REPRESENTATION

Yuxue Sun, Meng Jiang, Ying Luo, Qun Zhang, Chunhui Chen
2017 Progress In Electromagnetics Research M  
In this paper, based on joint parametric sparse representation, a 3-D imaging method for high-speed moving space target is proposed.  ...  The high-speed moving of space targets introduces distortion and migration to range profile, which will have a negative effect on three-dimensional (3-D) imaging of targets.  ...  Robustness Analysis In order to analyze the robustness of the proposed method, Gaussian white noise is added to the signal little affected by noise, while reconstructed x-axis and z-axis positions are  ... 
doi:10.2528/pierm17041401 fatcat:jy4j7hmudfflzajoilzlnyevnm
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