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2014 Vol. 36, No. 7
Display Method:
2014, 36(7): 1525-1531.
doi: 10.3724/SP.J.1146.2013.01338
Abstract:
By taking into account of the prior information of the sparse signal and the additive noise encountered in the measurement process, the sparse recover algorithm under the Bayesian framework can reconstruct the coefficient better. However, the traditi...
By taking into account of the prior information of the sparse signal and the additive noise encountered in the measurement process, the sparse recover algorithm under the Bayesian framework can reconstruct the coefficient better. However, the traditi...
2014, 36(7): 1532-1537.
doi: 10.3724/SP.J.1146.2013.01419
Abstract:
The target shape imaging algorithms receive great attention in applications of Ultra WideBand Through Wall (UWB-TW) radar, because it overcomes the shortcomings of real-time imaging and image quality in traditional Back Projection (BP) imaging algori...
The target shape imaging algorithms receive great attention in applications of Ultra WideBand Through Wall (UWB-TW) radar, because it overcomes the shortcomings of real-time imaging and image quality in traditional Back Projection (BP) imaging algori...
2014, 36(7): 1538-1544.
doi: 10.3724/SP.J.1146.2013.01310
Abstract:
Under the effects of the initial perturbation and torque, the motion of the spin-stability spacecraft is the compound of nutation and precession, named quasi-regularized precession. The motion parameters estimation of the quasi-regularized precession...
Under the effects of the initial perturbation and torque, the motion of the spin-stability spacecraft is the compound of nutation and precession, named quasi-regularized precession. The motion parameters estimation of the quasi-regularized precession...
2014, 36(7): 1545-1551.
doi: 10.3724/SP.J.1146.2013.01046
Abstract:
The existing vector weighted robust beamforming is able to estimate the signal power of target only in situations of a small steering angle error. For a larger steering angle error case, although the matrix weighted beamforming can effectively estima...
The existing vector weighted robust beamforming is able to estimate the signal power of target only in situations of a small steering angle error. For a larger steering angle error case, although the matrix weighted beamforming can effectively estima...
2014, 36(7): 1552-1559.
doi: 10.3724/SP.J.1146.2013.01739
Abstract:
The deceptive mainlobe jamming of airborne radar not only causes a large amount of false alarms but also contaminates samples of the Space-Time Adaptive Processor (STAP). Hence, the performance on clutter suppression is degraded and signal self-cance...
The deceptive mainlobe jamming of airborne radar not only causes a large amount of false alarms but also contaminates samples of the Space-Time Adaptive Processor (STAP). Hence, the performance on clutter suppression is degraded and signal self-cance...
2014, 36(7): 1560-1565.
doi: 10.3724/SP.J.1146.2013.01258
Abstract:
Considering the urgent need of high precision motion parameter for SAR motion compensation in real-time, a motion compensation scheme using the Strapdown Inertial Navigation System/Global Positioning System (SINS/GPS) integrated system based on Rauch...
Considering the urgent need of high precision motion parameter for SAR motion compensation in real-time, a motion compensation scheme using the Strapdown Inertial Navigation System/Global Positioning System (SINS/GPS) integrated system based on Rauch...
2014, 36(7): 1566-1572.
doi: 10.3724/SP.J.1146.2013.00822
Abstract:
The mission of imaging is usually not considered in existing resource scheduling strategies of phased array radar, and it is required to separate a fixed part of resources for target imaging. In this paper, the concept of cognitive imaging is introdu...
The mission of imaging is usually not considered in existing resource scheduling strategies of phased array radar, and it is required to separate a fixed part of resources for target imaging. In this paper, the concept of cognitive imaging is introdu...
2014, 36(7): 1573-1578.
doi: 10.3724/SP.J.1146.2013.01123
Abstract:
An angle estimation algorithm based on fourth-order cumulants for distributed targets in monostatic Multiple Input Multiple Output (MIMO) radar is proposed in this paper, which could be used to deal with the problem of the performance declining in co...
An angle estimation algorithm based on fourth-order cumulants for distributed targets in monostatic Multiple Input Multiple Output (MIMO) radar is proposed in this paper, which could be used to deal with the problem of the performance declining in co...
2014, 36(7): 1579-1584.
doi: 10.3724/SP.J.1146.2013.01474
Abstract:
Based on the relationship between the velocities of 2D motion and the pose angle, a pose angle aided target tracking algorithm is proposed. In terms of target kinematics, the tracking models, in which the state vector includes pose information, are c...
Based on the relationship between the velocities of 2D motion and the pose angle, a pose angle aided target tracking algorithm is proposed. In terms of target kinematics, the tracking models, in which the state vector includes pose information, are c...
2014, 36(7): 1585-1591.
doi: 10.3724/SP.J.1146.2013.00715
Abstract:
A systematic review of the phase error of the conventional airborne InSAR data processing method is firstly presented, which is caused by the center-beam approximation, and the unknown terrain, and its effects on imaging quality and height accuracy a...
A systematic review of the phase error of the conventional airborne InSAR data processing method is firstly presented, which is caused by the center-beam approximation, and the unknown terrain, and its effects on imaging quality and height accuracy a...
2014, 36(7): 1592-1598.
doi: 10.3724/SP.J.1146.2013.01317
Abstract:
The sub-system composed of an element of the receiver array and the transmitter in Synthetic Aperture Sonar (SAS) is studied. Due to the double square rooted terms in the slant range history of the sub-system, the fourth-order Taylor expansion is use...
The sub-system composed of an element of the receiver array and the transmitter in Synthetic Aperture Sonar (SAS) is studied. Due to the double square rooted terms in the slant range history of the sub-system, the fourth-order Taylor expansion is use...
2014, 36(7): 1599-1604.
doi: 10.3724/SP.J.1146.2013.01330
Abstract:
The performance of direction finding of traditional MUltiple SIgnal Classification (MUSIC) method decreases sharply in the presence of sensor mutual coupling. In order to estimate effectively Mutual Coupling Matrix (MCM) of array and Direction Of Arr...
The performance of direction finding of traditional MUltiple SIgnal Classification (MUSIC) method decreases sharply in the presence of sensor mutual coupling. In order to estimate effectively Mutual Coupling Matrix (MCM) of array and Direction Of Arr...
2014, 36(7): 1605-1611.
doi: 10.3724/SP.J.1146.2013.01358
Abstract:
Recently, a class of tracking techniques called tracking by detection receive much attention in computer vision. These methods train a discriminative classsifier to separate the object from the background. The classifier bootstraps itself by using th...
Recently, a class of tracking techniques called tracking by detection receive much attention in computer vision. These methods train a discriminative classsifier to separate the object from the background. The classifier bootstraps itself by using th...
2014, 36(7): 1612-1618.
doi: 10.3724/SP.J.1146.2013.01144
Abstract:
Person re-identification, identifying the same persons images in an existing database come from non-overlapping camera views, is a valuable but challenging task. This paper proposes a statistical inference approach for person re-identification. A sim...
Person re-identification, identifying the same persons images in an existing database come from non-overlapping camera views, is a valuable but challenging task. This paper proposes a statistical inference approach for person re-identification. A sim...
2014, 36(7): 1619-1624.
doi: 10.3724/SP.J.1146.2013.01203
Abstract:
Few traditional road edge detection algorithms can be employed in rural road. An edge detection method based on vanishing point iteration revaluation is presented in this paper. Firstly, the texture orientation of pixel is estimated by Gabor filter, ...
Few traditional road edge detection algorithms can be employed in rural road. An edge detection method based on vanishing point iteration revaluation is presented in this paper. Firstly, the texture orientation of pixel is estimated by Gabor filter, ...
2014, 36(7): 1625-1630.
doi: 10.3724/SP.J.1146.2013.01089
Abstract:
In view of practical application of the target detection based on sensor networks, the remote target detection model is established. This paper addresses a novel Fusion Rule for Small-scale Sensor networks (FRSS) under the Neyman-Pearson criteria. Th...
In view of practical application of the target detection based on sensor networks, the remote target detection model is established. This paper addresses a novel Fusion Rule for Small-scale Sensor networks (FRSS) under the Neyman-Pearson criteria. Th...
2014, 36(7): 1631-1636.
doi: 10.3724/SP.J.1146.2013.01410
Abstract:
The prediction of airport noise plays an important role in airport noise control, flight schedule planning and surrounding designs of airport. However, the existing prediction models are complex and need so many highly accurate parameters that are mo...
The prediction of airport noise plays an important role in airport noise control, flight schedule planning and surrounding designs of airport. However, the existing prediction models are complex and need so many highly accurate parameters that are mo...
2014, 36(7): 1637-1641.
doi: 10.3724/SP.J.1146.2013.01365
Abstract:
This paper presents a new Direction-Of-Arrival (DOA) and power estimation algorithm based on two-stage weighted L1-norm penalty. In this scheme, this paper first obtains a better statistical performance vector measurement model by sum-average arithme...
This paper presents a new Direction-Of-Arrival (DOA) and power estimation algorithm based on two-stage weighted L1-norm penalty. In this scheme, this paper first obtains a better statistical performance vector measurement model by sum-average arithme...
2014, 36(7): 1642-1647.
doi: 10.3724/SP.J.1146.2013.01395
Abstract:
The definition of ideal access structure of XOR-based visual cryptography is given in this paper. The characteristics of ideal access structure are analyzed, and the construction algorithm of shares under ideal access structure is designed. Based on ...
The definition of ideal access structure of XOR-based visual cryptography is given in this paper. The characteristics of ideal access structure are analyzed, and the construction algorithm of shares under ideal access structure is designed. Based on ...
2014, 36(7): 1648-1655.
doi: 10.3724/SP.J.1146.2013.00750
Abstract:
As an important method of Side Channel Attacks (SCA), fault attacks offer the attacker plenty of possibilities to attack a cryptosystem, and nearly all the cryptographic algorithms are broken by using such kinds of attacks. So far many countermeasure...
As an important method of Side Channel Attacks (SCA), fault attacks offer the attacker plenty of possibilities to attack a cryptosystem, and nearly all the cryptographic algorithms are broken by using such kinds of attacks. So far many countermeasure...
2014, 36(7): 1656-1660.
doi: 10.3724/SP.J.1146.2013.01062
Abstract:
The Nonlinear Feedback Shift Register.(NFSR) is one of hot topics of stream cipher in recent studies. The uniqueness of a NFSR assuming to be decomposed into a cascade connection of smaller NFSRs is discussed in this paper. Firstly, the decomposition...
The Nonlinear Feedback Shift Register.(NFSR) is one of hot topics of stream cipher in recent studies. The uniqueness of a NFSR assuming to be decomposed into a cascade connection of smaller NFSRs is discussed in this paper. Firstly, the decomposition...
2014, 36(7): 1661-1666.
doi: 10.3724/SP.J.1146.2013.01717
Abstract:
SHACAL-2 algorithm is one of the standard block ciphers recommended by European NESSIE plan. It includes two kinds of nonlinear functions, the choice function and the major function. This paper studies mainly differential properties of the two nonlin...
SHACAL-2 algorithm is one of the standard block ciphers recommended by European NESSIE plan. It includes two kinds of nonlinear functions, the choice function and the major function. This paper studies mainly differential properties of the two nonlin...
2014, 36(7): 1667-1672.
doi: 10.3724/SP.J.1146.2013.00682
Abstract:
It is of great importance to guarantee the privacy of the database and users when the database is being queried. A private database queries protocol based on a quantum Third Party (TP) is proposed by utilizing the quantum correlation of three-photon ...
It is of great importance to guarantee the privacy of the database and users when the database is being queried. A private database queries protocol based on a quantum Third Party (TP) is proposed by utilizing the quantum correlation of three-photon ...
2014, 36(7): 1673-1679.
doi: 10.3724/SP.J.1146.2013.01291
Abstract:
This paper focuses on the energy-efficient power allocation in OFDMA systems. Different from the existing work, this paper proves that the optimal energy-efficient power allocation must have a special water-filling structure, named energy-efficient w...
This paper focuses on the energy-efficient power allocation in OFDMA systems. Different from the existing work, this paper proves that the optimal energy-efficient power allocation must have a special water-filling structure, named energy-efficient w...
2014, 36(7): 1680-1685.
doi: 10.3724/SP.J.1146.2013.01177
Abstract:
In cooperative spectrum sensing, previous numerical studies show that the sensing performance and the throughput of channel can be improved by increasing the secondary users which are participate in cooperative sensing. Due to the existence of channe...
In cooperative spectrum sensing, previous numerical studies show that the sensing performance and the throughput of channel can be improved by increasing the secondary users which are participate in cooperative sensing. Due to the existence of channe...
2014, 36(7): 1686-1692.
doi: 10.3724/SP.J.1146.2013.01241
Abstract:
In cognitive radio network, the underlay coexistence problem of the OFDMA based Secondary System (SS) with LTE-A systems is more and more important. This paper focuses on the resource allocation and interference mitigation issues in the aforementione...
In cognitive radio network, the underlay coexistence problem of the OFDMA based Secondary System (SS) with LTE-A systems is more and more important. This paper focuses on the resource allocation and interference mitigation issues in the aforementione...
2014, 36(7): 1693-1698.
doi: 10.3724/SP.J.1146.2013.01057
Abstract:
A spectrum sensing algorithm based on covariance matrix and array antenna is reported. It can perform blind spectrum sensing under a condition of uncertainty noise. The new test statistics for spectrum sensing based on the covariance matrix is constr...
A spectrum sensing algorithm based on covariance matrix and array antenna is reported. It can perform blind spectrum sensing under a condition of uncertainty noise. The new test statistics for spectrum sensing based on the covariance matrix is constr...
2014, 36(7): 1699-1705.
doi: 10.3724/SP.J.1146.2013.01148
Abstract:
High Efficiency Video Coding (HEVC) adopts a quadtree-based Coding Unit (CU) block partitioning structure which is flexible to adapt to various texture characteristics of images and can improve the coding efficiency significantly; however, it also in...
High Efficiency Video Coding (HEVC) adopts a quadtree-based Coding Unit (CU) block partitioning structure which is flexible to adapt to various texture characteristics of images and can improve the coding efficiency significantly; however, it also in...
2014, 36(7): 1706-1712.
doi: 10.3724/SP.J.1146.2013.01373
Abstract:
Most existing wireless network coding mechanisms do not consider the impact of wireless link quality on video transmission, resulting in the degradation in video quality. To address the above issue, this paper proposes an Optimized Opportunistic Netw...
Most existing wireless network coding mechanisms do not consider the impact of wireless link quality on video transmission, resulting in the degradation in video quality. To address the above issue, this paper proposes an Optimized Opportunistic Netw...
2014, 36(7): 1713-1719.
doi: 10.3724/SP.J.1146.2013.01151
Abstract:
Along with the growing expansion of network functions and continuous emerging of new protocols, the novel packet types and processing requirements are established in these protocols. The Software Defined Networking (SDN) makes the network innovation ...
Along with the growing expansion of network functions and continuous emerging of new protocols, the novel packet types and processing requirements are established in these protocols. The Software Defined Networking (SDN) makes the network innovation ...
2014, 36(7): 1720-1727.
doi: 10.3724/SP.J.1146.2013.01058
Abstract:
To deal with the issue that the interference increasing will make network capacity decrease and energy consumption increase in Wireless Sensor Network (WSN), the joint channel allocation and power control optimal game-theoretic model is established. ...
To deal with the issue that the interference increasing will make network capacity decrease and energy consumption increase in Wireless Sensor Network (WSN), the joint channel allocation and power control optimal game-theoretic model is established. ...
2014, 36(7): 1728-1734.
doi: 10.3724/SP.J.1146.2013.01066
Abstract:
Crucial node decision plays an important role during the network survivability study. Taking into account the node energy is limited, this study consider both the remaining life of the network and the added value of network energy consumption due to ...
Crucial node decision plays an important role during the network survivability study. Taking into account the node energy is limited, this study consider both the remaining life of the network and the added value of network energy consumption due to ...
2014, 36(7): 1735-1742.
doi: 10.3724/SP.J.1146.2013.01770
Abstract:
As for the interest flooding attack in Content-Centric Networking (CCN), this study proposes a new approach to mitigate interest flooding attack based on abnormal name prefix identification. This study utilizes the forwarding state in CCN routers to ...
As for the interest flooding attack in Content-Centric Networking (CCN), this study proposes a new approach to mitigate interest flooding attack based on abnormal name prefix identification. This study utilizes the forwarding state in CCN routers to ...
2014, 36(7): 1743-1748.
doi: 10.3724/SP.J.1146.2013.01079
Abstract:
Data aggregation is one of the most important approaches to alleviate the bottlenecks of resource in the Wireless Sensor Networks (WSNs). However, it is vulnerable to the attacks directing toward data confidentiality and integrity in an open and hete...
Data aggregation is one of the most important approaches to alleviate the bottlenecks of resource in the Wireless Sensor Networks (WSNs). However, it is vulnerable to the attacks directing toward data confidentiality and integrity in an open and hete...
2014, 36(7): 1755-1761.
doi: 10.3724/SP.J.1146.2013.01051
Abstract:
Many applications of Internet of Things (IoT) are performed by the continuous stream processing of the senor data and nodes replicas are required to guarantee system availability. However, the replicas backup and placement often bring the processing ...
Many applications of Internet of Things (IoT) are performed by the continuous stream processing of the senor data and nodes replicas are required to guarantee system availability. However, the replicas backup and placement often bring the processing ...
2014, 36(7): 1762-1766.
doi: 10.3724/SP.J.1146.2013.01427
Abstract:
The performance of optically controlled phased array antenna is greatly improved by the optical phase- shifting network with its advantages of broad bandwidth and high precision, however the additional phase noise of the optical phase-shifting networ...
The performance of optically controlled phased array antenna is greatly improved by the optical phase- shifting network with its advantages of broad bandwidth and high precision, however the additional phase noise of the optical phase-shifting networ...
2014, 36(7): 1767-1770.
doi: 10.3724/SP.J.1146.2013.01039
Abstract:
Microwave over-the-horizon radar can detect long distance and low altitude targets by means of the evaporation ducts over sea, however, the super refraction and multi-path propagation effects produce radar blind areas in evaporation duct where target...
Microwave over-the-horizon radar can detect long distance and low altitude targets by means of the evaporation ducts over sea, however, the super refraction and multi-path propagation effects produce radar blind areas in evaporation duct where target...
2014, 36(7): 1771-1774.
doi: 10.3724/SP.J.1146.2013.01256
Abstract:
In order to adapt to the requirement of the modern dual-band communication system, this paper presents a novel dual-band high gain antenna by adding an annular metal cylinder to the aperture in the center based on enhanced microwave transmission prop...
In order to adapt to the requirement of the modern dual-band communication system, this paper presents a novel dual-band high gain antenna by adding an annular metal cylinder to the aperture in the center based on enhanced microwave transmission prop...
2014, 36(7): 1775-1778.
doi: 10.3724/SP.J.1146.2013.01018
Abstract:
The current wireless Network Coding Relaying (NCR) is based on XOR operation or superposition operation, this paper proposes an Amplify-and-Forward NCR (AFNCR) cooperative scheme based on the multiplication operation. The relay node realizes the anal...
The current wireless Network Coding Relaying (NCR) is based on XOR operation or superposition operation, this paper proposes an Amplify-and-Forward NCR (AFNCR) cooperative scheme based on the multiplication operation. The relay node realizes the anal...
2014, 36(7): 1749-1754.
doi: 10.3724/SP.J.1146.2013.01154
Abstract:
Attribute signature attracts much attention due to the large-scale applications of cloud computing. Sensitive information in the document needs to be hidden in cloud computing environment, and Attribute Based Sanitizable Signature (ABSS) scheme in cl...
Attribute signature attracts much attention due to the large-scale applications of cloud computing. Sensitive information in the document needs to be hidden in cloud computing environment, and Attribute Based Sanitizable Signature (ABSS) scheme in cl...
