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2016 Vol. 38, No. 12
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2016, 38(12): 2988-2995.
doi: 10.11999/JEIT161034
Abstract:
To improve the performance of radar High-Resolution Range Profile (HRRP) target recognition, a new attention-based model is proposed based on time domain feature. This architecture encodes the time domain feature which can reveal the correlation insi...
To improve the performance of radar High-Resolution Range Profile (HRRP) target recognition, a new attention-based model is proposed based on time domain feature. This architecture encodes the time domain feature which can reveal the correlation insi...
2016, 38(12): 2996-3003.
doi: 10.11999/JEIT161068
Abstract:
Feature extraction is a key step and difficult point in SAR image target recognition. This paper presents a novel method based on Poisson Gamma Belief Network (PGBN) for SAR image target recognition. As a deep Bayesian generative network, the PGBN mo...
Feature extraction is a key step and difficult point in SAR image target recognition. This paper presents a novel method based on Poisson Gamma Belief Network (PGBN) for SAR image target recognition. As a deep Bayesian generative network, the PGBN mo...
2016, 38(12): 3004-3010.
doi: 10.11999/JEIT160905
Abstract:
For the problem of detection performance loss of adaptive detectors on the condition that the secondary data are limited, the adaptive detection method of range-spread target based on the prior knowledge of clutter is proposed. The texture and the co...
For the problem of detection performance loss of adaptive detectors on the condition that the secondary data are limited, the adaptive detection method of range-spread target based on the prior knowledge of clutter is proposed. The texture and the co...
2016, 38(12): 3011-3017.
doi: 10.11999/JEIT161072
Abstract:
For the detection issue in the presence of subspace signal mismatch, a parametrically tunable detector is proposed, which processes the Constant False Alarm Rate (CFAR) properties. By changing the tunable parameter, the proposed detector can flexibly...
For the detection issue in the presence of subspace signal mismatch, a parametrically tunable detector is proposed, which processes the Constant False Alarm Rate (CFAR) properties. By changing the tunable parameter, the proposed detector can flexibly...
2016, 38(12): 3018-3025.
doi: 10.11999/JEIT161032
Abstract:
This paper studies the issue of SAR target detection with CNN when the training samples are insufficient. The existing complete dataset is employed to assist accomplishing target detection task, where the training samples are not enough and the scene...
This paper studies the issue of SAR target detection with CNN when the training samples are insufficient. The existing complete dataset is employed to assist accomplishing target detection task, where the training samples are not enough and the scene...
2016, 38(12): 3026-3033.
doi: 10.11999/JEIT161038
Abstract:
By suppressing the Doppler ambiguity, the along-track multi-channel Synthetic Aperture Radar (SAR) system can simultaneously achieve High-Resolution and Wide-Swath (HRWS) imaging. However, the presence of unavoidable amplitude and phase bias tends to...
By suppressing the Doppler ambiguity, the along-track multi-channel Synthetic Aperture Radar (SAR) system can simultaneously achieve High-Resolution and Wide-Swath (HRWS) imaging. However, the presence of unavoidable amplitude and phase bias tends to...
2016, 38(12): 3034-3041.
doi: 10.11999/JEIT160058
Abstract:
To solve the contradiction between estimation performance and computation burden, when detecting high speed target in wideband noise radar, a novel method based on Frequency Domain Supper-Resolution (FDSR) is proposed for parameter estimation. Firstl...
To solve the contradiction between estimation performance and computation burden, when detecting high speed target in wideband noise radar, a novel method based on Frequency Domain Supper-Resolution (FDSR) is proposed for parameter estimation. Firstl...
2016, 38(12): 3042-3048.
doi: 10.11999/JEIT160859
Abstract:
This paper proposes a clutter suppression and parameter estimation method based on Relax algorithm. The method is fit for the multi-channel Wide Area Surveillance (WAS) GMTI system. After analyzing the components of radar echoes in WAS-GMTI mode, an ...
This paper proposes a clutter suppression and parameter estimation method based on Relax algorithm. The method is fit for the multi-channel Wide Area Surveillance (WAS) GMTI system. After analyzing the components of radar echoes in WAS-GMTI mode, an ...
2016, 38(12): 3049-3055.
doi: 10.11999/JEIT160922
Abstract:
To solve the problem of motion parameter estimation of ground moving target, a parameter estimation method of moving targets with sparse sampling data of single SAR sensor is proposed. First, based on the 2 dimensional velocity of moving targets, an ...
To solve the problem of motion parameter estimation of ground moving target, a parameter estimation method of moving targets with sparse sampling data of single SAR sensor is proposed. First, based on the 2 dimensional velocity of moving targets, an ...
2016, 38(12): 3056-3062.
doi: 10.11999/JEIT161036
Abstract:
Micro-Doppler (m-D) feature extraction is significant for group target discrimination, while the methods for single target are invalid. An m-D feature extraction method of group targets is proposed based on signal orthogonal decomposition. First, the...
Micro-Doppler (m-D) feature extraction is significant for group target discrimination, while the methods for single target are invalid. An m-D feature extraction method of group targets is proposed based on signal orthogonal decomposition. First, the...
2016, 38(12): 3063-3069.
doi: 10.11999/JEIT160008
Abstract:
In order to solve the problem of performance degradation when radar system is influenced by clutter from mainlobe and sidelobe, MIMO radar waveform design algorithm based on knowledge of range-spread target and clutter is investigated. Firstly, an op...
In order to solve the problem of performance degradation when radar system is influenced by clutter from mainlobe and sidelobe, MIMO radar waveform design algorithm based on knowledge of range-spread target and clutter is investigated. Firstly, an op...
2016, 38(12): 3070-3077.
doi: 10.11999/JEIT160667
Abstract:
In most of the frequency diverse array radars, a small linear frequency offset is always applied across the horizontal array elements, generating a different beampattern with coupling between the azimuth dimension and range dimension. Moreover, the g...
In most of the frequency diverse array radars, a small linear frequency offset is always applied across the horizontal array elements, generating a different beampattern with coupling between the azimuth dimension and range dimension. Moreover, the g...
2016, 38(12): 3078-3084.
doi: 10.11999/JEIT160995
Abstract:
A novel blind beamforming algorithm based on sparse Time-Frequency Decomposition (TFD) is proposed to solve the problems of existing blind beamforming algorithms: poor universality and the requirement of large amount of sampling data. In the proposed...
A novel blind beamforming algorithm based on sparse Time-Frequency Decomposition (TFD) is proposed to solve the problems of existing blind beamforming algorithms: poor universality and the requirement of large amount of sampling data. In the proposed...
2016, 38(12): 3085-3092.
doi: 10.11999/JEIT161013
Abstract:
In order to effectively suppress the noise of InSAR phase images and preserve the detailed fringe information, an adaptive phase filtering method based on local slope compensation and the Anisotropic Gaussian Filter (AGF) is proposed. Firstly, the to...
In order to effectively suppress the noise of InSAR phase images and preserve the detailed fringe information, an adaptive phase filtering method based on local slope compensation and the Anisotropic Gaussian Filter (AGF) is proposed. Firstly, the to...
2016, 38(12): 3093-3099.
doi: 10.11999/JEIT161035
Abstract:
This paper studies on the feature extraction methods for the classification of helicopter, propeller-driven aircraft, and turbojet using a conventional narrow-band radar system. In the modern battlefield, the helicopter, propeller aircraft and jet ai...
This paper studies on the feature extraction methods for the classification of helicopter, propeller-driven aircraft, and turbojet using a conventional narrow-band radar system. In the modern battlefield, the helicopter, propeller aircraft and jet ai...
2016, 38(12): 3100-3106.
doi: 10.11999/JEIT160882
Abstract:
Coherent sources commonly exist in scenarios with multipath effect. How to decorrelate coherent sources is traditionally a problem urgently to be solved in the array signal processing domain. Especially for spatially adjacent coherent sources, the pe...
Coherent sources commonly exist in scenarios with multipath effect. How to decorrelate coherent sources is traditionally a problem urgently to be solved in the array signal processing domain. Especially for spatially adjacent coherent sources, the pe...
2016, 38(12): 3107-3113.
doi: 10.11999/JEIT160873
Abstract:
A fast iterative optimization algorithm for sum and difference patterns with controllable accuracy and range of angle measurement is proposed, which can be used in fast targets location under wide angle coverage and accurate angle tracking of maneuve...
A fast iterative optimization algorithm for sum and difference patterns with controllable accuracy and range of angle measurement is proposed, which can be used in fast targets location under wide angle coverage and accurate angle tracking of maneuve...
2016, 38(12): 3114-3121.
doi: 10.11999/JEIT160372
Abstract:
Extended targets usually generate multiple measurements in high resolution radar systems. Existing algorithms of the Random Finite Set (RFS) assume that the measurement number of extended targets follows Poisson distribution in a general way. However...
Extended targets usually generate multiple measurements in high resolution radar systems. Existing algorithms of the Random Finite Set (RFS) assume that the measurement number of extended targets follows Poisson distribution in a general way. However...
2016, 38(12): 3122-3128.
doi: 10.11999/JEIT160812
Abstract:
In highly squinted and high resolution SAR, the data receiving range bin can be continually adjusted to minimize the sampled data in echo collection, but the staggered range cell migration needs extra processing to be eliminated. To enlarge the imagi...
In highly squinted and high resolution SAR, the data receiving range bin can be continually adjusted to minimize the sampled data in echo collection, but the staggered range cell migration needs extra processing to be eliminated. To enlarge the imagi...
2016, 38(12): 3129-3136.
doi: 10.11999/JEIT160177
Abstract:
In order to make full use of the joint sparse physical characteristics of the radar echo to improve imaging performance. A novel super resolution Inverse SAR (ISAR) imaging method based on distributed compressed sensing theory is proposed. Firstly, t...
In order to make full use of the joint sparse physical characteristics of the radar echo to improve imaging performance. A novel super resolution Inverse SAR (ISAR) imaging method based on distributed compressed sensing theory is proposed. Firstly, t...
2016, 38(12): 3137-3143.
doi: 10.11999/JEIT160784
Abstract:
Due to the complexity of SAR imaging of maneuvering platform, traditional imaging algorithms are unavailable in the diving stage with high squint angle. To deal with these problems, the geometric model in diving stage of high squint SAR is constructe...
Due to the complexity of SAR imaging of maneuvering platform, traditional imaging algorithms are unavailable in the diving stage with high squint angle. To deal with these problems, the geometric model in diving stage of high squint SAR is constructe...
2016, 38(12): 3144-3151.
doi: 10.11999/JEIT161025
Abstract:
Three dimensional imaging of space micro-motion target has significant advantages on target information awareness, which is crucial to effectively realize space target imaging, classification and recognition. In this paper, through the L type antenna...
Three dimensional imaging of space micro-motion target has significant advantages on target information awareness, which is crucial to effectively realize space target imaging, classification and recognition. In this paper, through the L type antenna...
2016, 38(12): 3152-3158.
doi: 10.11999/JEIT160656
Abstract:
The GEO SAR has its own features such as wide coverage and short revisit time. However, when the GEO SAR is both used as a transmitter and a receiver, its advantages is not well exploited. If an airplane or a LEO satellite is adopted as a platform of...
The GEO SAR has its own features such as wide coverage and short revisit time. However, when the GEO SAR is both used as a transmitter and a receiver, its advantages is not well exploited. If an airplane or a LEO satellite is adopted as a platform of...
2016, 38(12): 3159-3165.
doi: 10.11999/JEIT161006
Abstract:
For missile-borne forward-looking SAR in curve trajectory, time-variant motion errors are ignored, leading to degradations in imaging result. This paper proposes a missile-borne forward-looking SAR algorithm based on motion compensation to solve the ...
For missile-borne forward-looking SAR in curve trajectory, time-variant motion errors are ignored, leading to degradations in imaging result. This paper proposes a missile-borne forward-looking SAR algorithm based on motion compensation to solve the ...
2016, 38(12): 3166-3173.
doi: 10.11999/JEIT160785
Abstract:
Due to the acceleration in the moving of the platform, the SAR imaging of highly squinted maneuvering platform becomes a problem to be solved urgently. The majority of currently existing range models fail in taking the azimuth-variation into consider...
Due to the acceleration in the moving of the platform, the SAR imaging of highly squinted maneuvering platform becomes a problem to be solved urgently. The majority of currently existing range models fail in taking the azimuth-variation into consider...
2016, 38(12): 3174-3181.
doi: 10.11999/JEIT161016
Abstract:
In One-Stationary Bistatic Synthetic Aperture Radar (OS-BiSAR) imaging, imprecise description of 2-D range-azimuth space-variant property usually leads to deterioration of final SAR image rapidly. In order to solve this issue, a new ellipse model is ...
In One-Stationary Bistatic Synthetic Aperture Radar (OS-BiSAR) imaging, imprecise description of 2-D range-azimuth space-variant property usually leads to deterioration of final SAR image rapidly. In order to solve this issue, a new ellipse model is ...
2016, 38(12): 3182-3188.
doi: 10.11999/JEIT160603
Abstract:
A new method for attitude estimation for space satellite targets is presented by extracting typical linear structures in ISAR imaging sequence and using information of targets position in orbits to analyze the three-dimensional attitude of space sate...
A new method for attitude estimation for space satellite targets is presented by extracting typical linear structures in ISAR imaging sequence and using information of targets position in orbits to analyze the three-dimensional attitude of space sate...
2016, 38(12): 3189-3196.
doi: 10.11999/JEIT160022
Abstract:
By employing the Maximum Correntropy Criterion (MCC) based cost function in PARAllel FACtor (PARAFAC), the MCC-PARAFAC algorithm is deduced, which can be utilized for the parallel factor under impulsive noise environments. The MCC-PARAFAC algorithm i...
By employing the Maximum Correntropy Criterion (MCC) based cost function in PARAllel FACtor (PARAFAC), the MCC-PARAFAC algorithm is deduced, which can be utilized for the parallel factor under impulsive noise environments. The MCC-PARAFAC algorithm i...
2016, 38(12): 3197-3204.
doi: 10.11999/JEIT160041
Abstract:
Ionospheric phase decontamination is a key technology in signal processing of sky-wave Over-The- Horizon Radar (OTHR). Due to the inaccuracy of the models and the complexity of the ionosphere, the accuracy of the existing algorithms is not satisfacto...
Ionospheric phase decontamination is a key technology in signal processing of sky-wave Over-The- Horizon Radar (OTHR). Due to the inaccuracy of the models and the complexity of the ionosphere, the accuracy of the existing algorithms is not satisfacto...
2016, 38(12): 3205-3211.
doi: 10.11999/JEIT161075
Abstract:
VHF radar has unique advantage in anti-stealth and resisting anti-radiation missile. It plays an important role in modern antiaircraft system. However, the multipath signal often brings difficulties to the altitude measurement of VHF radar. Combining...
VHF radar has unique advantage in anti-stealth and resisting anti-radiation missile. It plays an important role in modern antiaircraft system. However, the multipath signal often brings difficulties to the altitude measurement of VHF radar. Combining...
2016, 38(12): 3212-3218.
doi: 10.11999/JEIT160002
Abstract:
For the problem of signal interception and fast moving jammers in MIMO radar application, this paper designs a new transmit beampattern through optimizing the transmit beamforming matrix based on the minimization of integrated-sidelobe. This new tran...
For the problem of signal interception and fast moving jammers in MIMO radar application, this paper designs a new transmit beampattern through optimizing the transmit beamforming matrix based on the minimization of integrated-sidelobe. This new tran...
2016, 38(12): 3219-3223.
doi: 10.11999/JEIT160981
Abstract:
To meet the need of the real application, this paper proposes a power allocation algorithm for multiple target localization, which tries to get the quick optimal allocation of the limited power resources in the MIMO radar. Firstly, Cramr-Rao Lower Bo...
To meet the need of the real application, this paper proposes a power allocation algorithm for multiple target localization, which tries to get the quick optimal allocation of the limited power resources in the MIMO radar. Firstly, Cramr-Rao Lower Bo...
2016, 38(12): 3224-3229.
doi: 10.11999/JEIT160132
Abstract:
Owing to the heavy spread of eigenspectrum of the population covariance matrix under finite training samples condition, it is a challenge to estimate the clutter Degrees of Freedom (DoF) in airborne forward-looking radar. In this work, a method for e...
Owing to the heavy spread of eigenspectrum of the population covariance matrix under finite training samples condition, it is a challenge to estimate the clutter Degrees of Freedom (DoF) in airborne forward-looking radar. In this work, a method for e...
2016, 38(12): 3230-3237.
doi: 10.11999/JEIT160954
Abstract:
Space time processing is an effective method for the suppression of clutters and the power integration of target echo for airborne passive radar. However, it needs long Coherent Processing Intervals (CPI) to improve target Signal-to-Noise Ratio (SNR)...
Space time processing is an effective method for the suppression of clutters and the power integration of target echo for airborne passive radar. However, it needs long Coherent Processing Intervals (CPI) to improve target Signal-to-Noise Ratio (SNR)...
2016, 38(12): 3238-3244.
doi: 10.11999/JEIT161000
Abstract:
To improve the detection accuracy of urban built-up areas from Polarimetric Synthetic Aperture Radar (PolSAR) images, this paper proposes a new built-up area detection method based on nonstationarity and polarization coherency coefficient ratio. Firs...
To improve the detection accuracy of urban built-up areas from Polarimetric Synthetic Aperture Radar (PolSAR) images, this paper proposes a new built-up area detection method based on nonstationarity and polarization coherency coefficient ratio. Firs...
2016, 38(12): 3245-3251.
doi: 10.11999/JEIT160021
Abstract:
High resolution airborne Interferometric Synthetic Aperture Radar (InSAR) is one of the important methods to generate high precision Digital Elevation Model (DEM). Due to the phase pattern difference between the two antennas, the interferometric phas...
High resolution airborne Interferometric Synthetic Aperture Radar (InSAR) is one of the important methods to generate high precision Digital Elevation Model (DEM). Due to the phase pattern difference between the two antennas, the interferometric phas...
2016, 38(12): 3252-3260.
doi: 10.11999/JEIT161031
Abstract:
Wind farms clutters have the characteristics of strong scattering and the Doppler spectrum spreading due to the blades rotation, the radar echoes can not be filtered out easily using the traditional ground clutter filter, hence causing the false dete...
Wind farms clutters have the characteristics of strong scattering and the Doppler spectrum spreading due to the blades rotation, the radar echoes can not be filtered out easily using the traditional ground clutter filter, hence causing the false dete...
2016, 38(12): 3261-3268.
doi: 10.11999/JEIT160722
Abstract:
Making full and effective use of target polarization information from High Resolution Range Profile (HRRP) is a hot issue for improving the recognition performance of maritime surveillance radar. A HRRP database with seven maritime targets classes fr...
Making full and effective use of target polarization information from High Resolution Range Profile (HRRP) is a hot issue for improving the recognition performance of maritime surveillance radar. A HRRP database with seven maritime targets classes fr...
2016, 38(12): 3269-3274.
doi: 10.11999/JEIT160672
Abstract:
Space-Based Radar (SBR) can realize moving target detection and the high resolution imaging on a global scale. Based on large scale sparse array antenna, this paper discusses the space-based radar technology system and key technology. The system para...
Space-Based Radar (SBR) can realize moving target detection and the high resolution imaging on a global scale. Based on large scale sparse array antenna, this paper discusses the space-based radar technology system and key technology. The system para...
2016, 38(12): 3275-3281.
doi: 10.11999/JEIT160919
Abstract:
The SMeared SPectrum (SMSP) jamming is a special active deception jamming for countering a Linear Frequency Modulated (LFM) pulse compression radar system. For suppressing the SMSP jamming, a novel anti-jamming approach is proposed based on jointing ...
The SMeared SPectrum (SMSP) jamming is a special active deception jamming for countering a Linear Frequency Modulated (LFM) pulse compression radar system. For suppressing the SMSP jamming, a novel anti-jamming approach is proposed based on jointing ...
2016, 38(12): 3282-3288.
doi: 10.11999/JEIT160141
Abstract:
In order to overcome the influence of gray difference, rotation difference and scale difference on image registration accuracy, the gray statistic property of uniform regions in SAR images is utilized and a SAR image registration algorithm based on s...
In order to overcome the influence of gray difference, rotation difference and scale difference on image registration accuracy, the gray statistic property of uniform regions in SAR images is utilized and a SAR image registration algorithm based on s...
2016, 38(12): 3289-3297.
doi: 10.11999/JEIT160992
Abstract:
Polarimetric Synthetic Aperture Radar (Polarimetric SAR) has become a hot research topic in the field of remote sensing with the rapid development in recent years. Polarimetric target decomposition is a basic method for Polarimetric SAR image analysi...
Polarimetric Synthetic Aperture Radar (Polarimetric SAR) has become a hot research topic in the field of remote sensing with the rapid development in recent years. Polarimetric target decomposition is a basic method for Polarimetric SAR image analysi...
2016, 38(12): 3298-3306.
doi: 10.11999/JEIT161007
Abstract:
Airborne early warning radar and its signal processing technology have experienced great development, but it is also facing great challenges on stealth target, heterogeneous clutter, complex electromagnetic environment, target classification and a va...
Airborne early warning radar and its signal processing technology have experienced great development, but it is also facing great challenges on stealth target, heterogeneous clutter, complex electromagnetic environment, target classification and a va...
