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2017 Vol. 39, No. 12
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2017, 39(12): 2795-2802.
doi: 10.11999/JEIT170256
Abstract:
An infinite Max-Margin Linear Discriminant Projection (iMMLDP) model is developed to deal with the classification problem on multimodal distributed high-dimensional data. Different from global projection, iMMLDP divides the data into a set of local r...
An infinite Max-Margin Linear Discriminant Projection (iMMLDP) model is developed to deal with the classification problem on multimodal distributed high-dimensional data. Different from global projection, iMMLDP divides the data into a set of local r...
2017, 39(12): 2803-2810.
doi: 10.11999/JEIT170294
Abstract:
Smoothed l0(SL0) norm algorithm, using the steepest descent method and gradient projection principle, approaches tol0 norm with selected smooth function, so as to solve the optimization problem and achieve signals reconstruction. A reconstruction alg...
Smoothed l0(SL0) norm algorithm, using the steepest descent method and gradient projection principle, approaches tol0 norm with selected smooth function, so as to solve the optimization problem and achieve signals reconstruction. A reconstruction alg...
2017, 39(12): 2811-2818.
doi: 10.11999/JEIT170128
Abstract:
When interferometric SAR is used to measure the terrain elevation, the dense interference fringes in the complex terrain will lead to phase unwrapping failure, so that the terrain elevation information can not be obtained accurately. In this paper, a...
When interferometric SAR is used to measure the terrain elevation, the dense interference fringes in the complex terrain will lead to phase unwrapping failure, so that the terrain elevation information can not be obtained accurately. In this paper, a...
2017, 39(12): 2819-2826.
doi: 10.11999/JEIT170223
Abstract:
In order to get high-precision interferogram of ocean surface current, static control points from land area are normally used to coregistrate ocean surface complex images of along-track interferometric SAR. When there is no control point in the image...
In order to get high-precision interferogram of ocean surface current, static control points from land area are normally used to coregistrate ocean surface complex images of along-track interferometric SAR. When there is no control point in the image...
2017, 39(12): 2827-2833.
doi: 10.11999/JEIT170477
Abstract:
In the small-aperture high-frequency surface-wave over-the-horizon radar system, the ionospheric clutter that covers a certain range bins, the Doppler bins and all the angle bins is generally existent. To restrain the clutter and ensure the submerged...
In the small-aperture high-frequency surface-wave over-the-horizon radar system, the ionospheric clutter that covers a certain range bins, the Doppler bins and all the angle bins is generally existent. To restrain the clutter and ensure the submerged...
2017, 39(12): 2834-2843.
doi: 10.11999/JEIT170482
Abstract:
The spatially separated observation angles from the multiple inverse synthetic aperture radar sensors can be converted to the accumulation time of the same target, which can improve the cross-range resolution of ISAR image by the coherent fusion of r...
The spatially separated observation angles from the multiple inverse synthetic aperture radar sensors can be converted to the accumulation time of the same target, which can improve the cross-range resolution of ISAR image by the coherent fusion of r...
2017, 39(12): 2844-2850.
doi: 10.11999/JEIT170287
Abstract:
The geometric characteristics (such as position, shape, size, etc.) of a large size target such as the broken or sinking subgrade are particularly important in engineering applications and municipal infrastructure maintenance. Due to the attenuation ...
The geometric characteristics (such as position, shape, size, etc.) of a large size target such as the broken or sinking subgrade are particularly important in engineering applications and municipal infrastructure maintenance. Due to the attenuation ...
2017, 39(12): 2851-2859.
doi: 10.11999/JEIT170466
Abstract:
Squint Synthetic Aperture Radar (SAR) can observe the side-front or side-rear scene of the platform. The squint mode improves the observation area and flexibility of SAR greatly. For subaperture imaging of squint SAR, a Local Optimal Matching Algorit...
Squint Synthetic Aperture Radar (SAR) can observe the side-front or side-rear scene of the platform. The squint mode improves the observation area and flexibility of SAR greatly. For subaperture imaging of squint SAR, a Local Optimal Matching Algorit...
2017, 39(12): 2860-2865.
doi: 10.11999/JEIT170259
Abstract:
In dual pulse repetition frequencies radar systems, mathematical deduction of the number of pulse repetition intervals required to satisfy quantitative requirements is presented to resolve velocity ambiguity. Multiple layer systems to increase the ma...
In dual pulse repetition frequencies radar systems, mathematical deduction of the number of pulse repetition intervals required to satisfy quantitative requirements is presented to resolve velocity ambiguity. Multiple layer systems to increase the ma...
2017, 39(12): 2866-2873.
doi: 10.11999/JEIT170247
Abstract:
In order to solve the problem of low tracking performance for bistatic MIMO radar based on Adaptive Asymmetric Joint Diagonalization (AAJD) algorithm, an improved multi-target tracking method is proposed. The reason for the low tracking performance o...
In order to solve the problem of low tracking performance for bistatic MIMO radar based on Adaptive Asymmetric Joint Diagonalization (AAJD) algorithm, an improved multi-target tracking method is proposed. The reason for the low tracking performance o...
2017, 39(12): 2874-2880.
doi: 10.11999/JEIT170449
Abstract:
High Frequency Radar (HFR) works in the crowded high-frequency band (3~30 MHz) with limited continuous bandwidth. It affects the ability to distinguish the near targets. Therefore, this paper introduces a kind of synthesis bandwidth signal with a pro...
High Frequency Radar (HFR) works in the crowded high-frequency band (3~30 MHz) with limited continuous bandwidth. It affects the ability to distinguish the near targets. Therefore, this paper introduces a kind of synthesis bandwidth signal with a pro...
2017, 39(12): 2881-2888.
doi: 10.11999/JEIT170224
Abstract:
As modulated by the ionosphere, the classical High-Frequency (HF) model of ocean clutter can not describe the HF scatterings from sea surface approvingly in view of skywave Over-The-Horizon Radar (OTHR). In this paper, ocean current is taken into con...
As modulated by the ionosphere, the classical High-Frequency (HF) model of ocean clutter can not describe the HF scatterings from sea surface approvingly in view of skywave Over-The-Horizon Radar (OTHR). In this paper, ocean current is taken into con...
2017, 39(12): 2889-2898.
doi: 10.11999/JEIT170303
Abstract:
For non-cooperative ISAR targets, the rotation motion and the translation motion are coupled under wide-angle circumstance, and it is hard to compensate the translation motion precisely. A two dimensional autofocus translation compensation method for...
For non-cooperative ISAR targets, the rotation motion and the translation motion are coupled under wide-angle circumstance, and it is hard to compensate the translation motion precisely. A two dimensional autofocus translation compensation method for...
2017, 39(12): 2899-2904.
doi: 10.11999/JEIT170382
Abstract:
A new Constant False Alarm Rate (CFAR) target detection algorithm is proposed based on Compressive Sensing (CS). Firstly, the sparsity of target in the distance dimension is analyzed and the sparse dictionary is constructed for the echo signal. Secon...
A new Constant False Alarm Rate (CFAR) target detection algorithm is proposed based on Compressive Sensing (CS). Firstly, the sparsity of target in the distance dimension is analyzed and the sparse dictionary is constructed for the echo signal. Secon...
2017, 39(12): 2905-2911.
doi: 10.11999/JEIT170467
Abstract:
A fast algorithm based on the effective FrFT is proposed to realize the detection and parameter estimation of Linear Frequency Modulation (LFM) signal, since the traditional algorithms have a great computational burden. The effective FrFT is first an...
A fast algorithm based on the effective FrFT is proposed to realize the detection and parameter estimation of Linear Frequency Modulation (LFM) signal, since the traditional algorithms have a great computational burden. The effective FrFT is first an...
2017, 39(12): 2912-2920.
doi: 10.11999/JEIT170208
Abstract:
Coherent Change Detection (CCD) has good performance on detecting change regions with low coherence in the scene by using repeat-pass Synthetic Aperture Radar (SAR) data. However, some regions as vegetation, radar shadows, sidelobes of strong reflect...
Coherent Change Detection (CCD) has good performance on detecting change regions with low coherence in the scene by using repeat-pass Synthetic Aperture Radar (SAR) data. However, some regions as vegetation, radar shadows, sidelobes of strong reflect...
2017, 39(12): 2921-2928.
doi: 10.11999/JEIT170141
Abstract:
The determination of the scanning emitter position with known scan rate using Direction Of Arrival (DOA) and Time Difference Of Interception (TDOI) is investigated. The Cramr-Rao Lower Bound (CRLB) of the DOA and TDOI based localization regime is fir...
The determination of the scanning emitter position with known scan rate using Direction Of Arrival (DOA) and Time Difference Of Interception (TDOI) is investigated. The Cramr-Rao Lower Bound (CRLB) of the DOA and TDOI based localization regime is fir...
2017, 39(12): 2929-2936.
doi: 10.11999/JEIT170252
Abstract:
The trend of heterogeneous node and functional diversification is presented in the development of space information network. The synchronization of network nodes is the technical foundation of task coordination of network nodes. The characteristic of...
The trend of heterogeneous node and functional diversification is presented in the development of space information network. The synchronization of network nodes is the technical foundation of task coordination of network nodes. The characteristic of...
2017, 39(12): 2937-2944.
doi: 10.11999/JEIT170106
Abstract:
Signal processing on graphs extends signal processing concepts and methodologies from the classical signal processing theory to data indexed by general graphs. For a band-limited graph signal, the unsampled data can be reconstructed from the sampled ...
Signal processing on graphs extends signal processing concepts and methodologies from the classical signal processing theory to data indexed by general graphs. For a band-limited graph signal, the unsampled data can be reconstructed from the sampled ...
2017, 39(12): 2945-2952.
doi: 10.11999/JEIT170235
Abstract:
Along with more and more important role of depth features played in computer saliency community, traditional RGB saliency models can not directly utilized for saliency detection on RGB-D domains. This paper proposes saliency center prior and Saliency...
Along with more and more important role of depth features played in computer saliency community, traditional RGB saliency models can not directly utilized for saliency detection on RGB-D domains. This paper proposes saliency center prior and Saliency...
2017, 39(12): 2953-2961.
doi: 10.11999/JEIT170215
Abstract:
Person re-identification is the identification of the same pedestrian in a multi camera surveillance without overlapping views. Aiming at the problem of the existence of visual angle, illumination and scale change in pedestrian images which from diff...
Person re-identification is the identification of the same pedestrian in a multi camera surveillance without overlapping views. Aiming at the problem of the existence of visual angle, illumination and scale change in pedestrian images which from diff...
2017, 39(12): 2962-2969.
doi: 10.11999/JEIT170267
Abstract:
The aim of this paper is to achieve a low-lighting image enhancement method by using the similarity between fog image and inverted low illumination image. The transmittance estimation of the pseudo-fog image is estimated by the improved boundary cons...
The aim of this paper is to achieve a low-lighting image enhancement method by using the similarity between fog image and inverted low illumination image. The transmittance estimation of the pseudo-fog image is estimated by the improved boundary cons...
2017, 39(12): 2970-2975.
doi: 10.11999/JEIT170462
Abstract:
This paper presents an efficient algorithm to design M-channel oversampled graph filter banks with better overall performance. In the new algorithm, a two-step scheme is exploited to tackle the design task. Firstly, for controlling the spectral selec...
This paper presents an efficient algorithm to design M-channel oversampled graph filter banks with better overall performance. In the new algorithm, a two-step scheme is exploited to tackle the design task. Firstly, for controlling the spectral selec...
2017, 39(12): 2976-2982.
doi: 10.11999/JEIT170463
Abstract:
For two-way Multiple-Input Multiple-Output (MIMO) relay communication systems, the main challenge is to get full knowledge of all channel matrices with minimal cost of signal handling at the relay node. In this paper, a low-complexity joint channel e...
For two-way Multiple-Input Multiple-Output (MIMO) relay communication systems, the main challenge is to get full knowledge of all channel matrices with minimal cost of signal handling at the relay node. In this paper, a low-complexity joint channel e...
2017, 39(12): 2983-2989.
doi: 10.11999/JEIT170136
Abstract:
Active reconfigurable Frequency Selective Surface (FSS) using pin diode for the Radar Cross Section (RCS) reduction of antenna is proposed. The reconfigurable technology is applied to the FSS design. The reconfigurable FSS reflector is able to perfor...
Active reconfigurable Frequency Selective Surface (FSS) using pin diode for the Radar Cross Section (RCS) reduction of antenna is proposed. The reconfigurable technology is applied to the FSS design. The reconfigurable FSS reflector is able to perfor...
2017, 39(12): 2990-2998.
doi: 10.11999/JEIT170228
Abstract:
In order to solve the limitation to use the traditional antenna selection algorithm in a massive antenna for fifth Generation (5G) system, a random antenna selection algorithm based on the dictionary of capacity correlation in multi-users scenario is...
In order to solve the limitation to use the traditional antenna selection algorithm in a massive antenna for fifth Generation (5G) system, a random antenna selection algorithm based on the dictionary of capacity correlation in multi-users scenario is...
2017, 39(12): 2999-3003.
doi: 10.11999/JEIT170260
Abstract:
With the actually used frequency band going higher and higher in wireless communications, the influence of phase noise induced by imperfect carrier on OFDM systems can no longer be ignored. At the same time, the restrictions on the antenna spacing ma...
With the actually used frequency band going higher and higher in wireless communications, the influence of phase noise induced by imperfect carrier on OFDM systems can no longer be ignored. At the same time, the restrictions on the antenna spacing ma...
2017, 39(12): 3004-3012.
doi: 10.11999/JEIT170276
Abstract:
Considering the modulation technique and multiple-access topology for indoor Visible Light Communication (VLC), two Multi-dimensional Carrierless Amplitude and Phase (Multi-CAP) modulation schemes are proposed in this paper, namely, DC biased Optical...
Considering the modulation technique and multiple-access topology for indoor Visible Light Communication (VLC), two Multi-dimensional Carrierless Amplitude and Phase (Multi-CAP) modulation schemes are proposed in this paper, namely, DC biased Optical...
2017, 39(12): 3013-3022.
doi: 10.11999/JEIT170199
Abstract:
Ciphertext-Policy Attribute-Based Encryption (CP-ABE), especially large universe CP-ABE that is not bounded with the attribute set, is getting the more and the more extensive application to the cloud storage. However, there exists an important challe...
Ciphertext-Policy Attribute-Based Encryption (CP-ABE), especially large universe CP-ABE that is not bounded with the attribute set, is getting the more and the more extensive application to the cloud storage. However, there exists an important challe...
2017, 39(12): 3023-3029.
doi: 10.11999/JEIT170133
Abstract:
According to QoS characteristics of network multimedia service, this paper proposes a algorithm of network multimedia QoS class recognition. This paper studies new multimedia traffic QoS class division mode. According to new QoS classes defined, Flow...
According to QoS characteristics of network multimedia service, this paper proposes a algorithm of network multimedia QoS class recognition. This paper studies new multimedia traffic QoS class division mode. According to new QoS classes defined, Flow...
2017, 39(12): 3030-3038.
doi: 10.11999/JEIT170233
Abstract:
Aeromagnetic prospecting is an important method in geophysical prospecting for its high-efficiency and convenience. In the paper, a new kind of the three axis gradient system based on the unmanned helicopter is designed and an aeromagnetic compensati...
Aeromagnetic prospecting is an important method in geophysical prospecting for its high-efficiency and convenience. In the paper, a new kind of the three axis gradient system based on the unmanned helicopter is designed and an aeromagnetic compensati...
2017, 39(12): 3039-3044.
doi: 10.11999/JEIT170097
Abstract:
A new absolute error function is presented in this paper. The function is applied to extract parameters of the nonlinear model, which can avoid the calculation error and reduce the inaccurate parameter extraction significantly. Nitride semiconductor ...
A new absolute error function is presented in this paper. The function is applied to extract parameters of the nonlinear model, which can avoid the calculation error and reduce the inaccurate parameter extraction significantly. Nitride semiconductor ...
2017, 39(12): 3045-3050.
doi: 10.11999/JEIT170203
Abstract:
Heterogeneous signcryption can be used to guarantee the confidentiality and unforgeability in the different cryptography. In 2016, between traditional public key cryptography and certificateless public key cryptography, the mutual signcryption scheme...
Heterogeneous signcryption can be used to guarantee the confidentiality and unforgeability in the different cryptography. In 2016, between traditional public key cryptography and certificateless public key cryptography, the mutual signcryption scheme...
