Advanced Search

2016 Vol. 38, No. 5

Display Method:
An Automatic Block-to-block Censoring Target Detector for High Resolution SAR Image
SONG Wenqing, WANG Yinghua, LIU Hongwei
2016, 38(5): 1017-1025. doi: 10.11999/JEIT150808
Abstract:
Assuming theG0 distribution clutter background, an automatic block-to-block censoring CFAR (ABC-CFAR) detector is proposed based on VI-CFAR for high resolution SAR image in nonhomogeneous environments. Firstly the Variability Index (VI) statistic is ...
A New Method for the Design of Transmit Waveform of MIMO Radar
HUANG Zhongrui, SHAN Liang, CHEN Mingjian, ZHANG Jianyun
2016, 38(5): 1026-1033. doi: 10.11999/JEIT150758
Abstract:
A method for the design of transmit waveform of MIMO radar based on the dynamic range constraint in weight amplitude of basic beam is proposed. Firstly, a set of the transmit waveforms is constructed which can fulfill constant-modulus constraints. Fu...
Airborne MIMO Radar STAP Method Based on Transmit Beamspace-tri-iterative Algorithm
WANG Ting, ZHAO Yongjun, ZHAO Chuang
2016, 38(5): 1034-1040. doi: 10.11999/JEIT150741
Abstract:
The output Signal-to-Clutter-plus-Noise Ratio (SCNR) of traditional airborne MIMO radar STAP decreases because of the transmit power dispersion. To solve this problem, a MIMO-STAP method based on Transmit Beamspace (TB)-TRi-Iterative Algorithm (TRIA)...
Improved EMD Target Detection Method Based on Mono Fractal Characteristics
ZHANG Lin, LI Xiuyou, LIU Ningbo, GUAN Jian
2016, 38(5): 1041-1046. doi: 10.11999/JEIT150731
Abstract:
In order to overcome the detection performance degradation of the existing detection method when the target and sea clutter is hard to distinguish, an improved target detection method based on mono fractal characteristics is proposed. Firstly, for ge...
Adaptive Sparse Imaging Approach for Ultra-wideband Through-the-wall Radar in Combined Dictionaries
JIN Liangnian, SHEN Wenting, QIAN Yubin, OUYANG Shan
2016, 38(5): 1047-1054. doi: 10.11999/JEIT150884
Abstract:
The existing algorithms of ultra-wideband through-the-wall radar sparse imaging mostly adopt point target model. Also the regularization parameter of sparse optimization can not be adjusted adaptively, and the ghost imaging can be produced if the tar...
Study on High-resolution Imaging of Ground-based MIMO Radar Based on Time-division Multiplexing
JIANG Liubing, YANG Tao, CHE Li
2016, 38(5): 1055-1063. doi: 10.11999/JEIT150905
Abstract:
Ground-based radar imaging based on time-division multiplexing MIMO can be used in many important applications, such as application to landslide monitoring in place of synthetic aperture radar imaging. For efficient high-resolution imaging of the gro...
A Real-time Reconstruction Scheme of Pulsed Radar Echoes with Quadrature Compressive Sampling
ZHANG Suling, XI Feng, CHEN Shengyao, LIU Zhong
2016, 38(5): 1064-1071. doi: 10.11999/JEIT150767
Abstract:
Quadrature Compressive Sampling (QuadCS) is an efficient Analog-to-Information Conversion (AIC) system to sample band-pass analog signals at sub-Nyquist rates. The QuadCS can be widely used in radar and communication systems to acquire sub-Nyquist sa...
An Integrated Target Detection and Tracking Algorithm with Constant Track False Alarm Rate
LIU Hongliang, ZHOU Shenghua, LIU Hongwei, YAN Junkun
2016, 38(5): 1072-1078. doi: 10.11999/JEIT150638
Abstract:
For traditional radar systems, target detection and target tracking are usually conducted separately. However, at the tracking stage, the target location information (tracking information) can be obtained, which can be fed back to the target detector...
Interferometric ISAR Imaging for 3-D Geometry of Uniformly Rotating Targets Based on Least Squares Estimation Method
BI Yanxian, WEI Shaoming, WANG Jun, MAO Shiyi
2016, 38(5): 1079-1084. doi: 10.11999/JEIT151000
Abstract:
Interferometric Inverse Synthetic Aperture Radar (InISAR) images are widely used for 3-D reconstruction of maneuvering targets in a short observation time. InISAR system is always used for target classification and recognition. Nevertheless, the imag...
Low-rank Structure Based Hyperspectral Compression Representation
TANG Zhongqi, FU Guangyuan, CHEN Jin, ZHANG Li
2016, 38(5): 1085-1091. doi: 10.11999/JEIT150906
Abstract:
A method which makes use of structure information abstracted from hyperspectral data via low-rank matrix recovery for hyperspectral image classification is proposed in this paper. The principle of maximizing structure information based on Structural ...
Traffic Sign Detection Based on Regions of Interest and HOG-MBLBP Features
LIU Chengyun, CHANG Faliang, CHEN Zhenxue
2016, 38(5): 1092-1098. doi: 10.11999/JEIT150918
Abstract:
The imbalance between sample categories in traffic sign detection often results in the weakening of classification detection performance. To overcome this problem, a traffic sign detection method is proposed based on regions of interest and Histogram...
Scale-adaptive Object Tracking Based on Color Names Histogram
BI Duyan, KU Tao, ZHA Yufei, ZHANG Lichao, YANG Yuan
2016, 38(5): 1099-1106. doi: 10.11999/JEIT150921
Abstract:
Tracking effects of algorithms using color information are easily interfered by background clustering, illumination and scale changes, which can result in tracking failure. To solve these problems, an efficient model is proposed to project original R...
A Fast and Adaptive Digital Image Stabilization Method Based on Multi-block Collaboration
ZHAI Bo, ZHENG Jin, LIU Yangke
2016, 38(5): 1107-1114. doi: 10.11999/JEIT150875
Abstract:
The classical digital image stabilization system usually suffers from the problems of low precision and hardly real time processing. This paper presents a fast and robust digital image stabilization method. The sub-pixel phase correlation is used for...
Hesse Sparse Representation under n-words Model for Image Retrieval
WANG Ruixia, PENG Guohua
2016, 38(5): 1115-1122. doi: 10.11999/JEIT150617
Abstract:
To deal with the problem that the Bag-Of-Visual-Words (BOVW) model discards image spatial structure, a new method based on the Hessian sparse coding for image retrieval is introduced. First, the n-words model is built in order to obtain the local fea...
A Joint Estimation Algorithm of TDOA and FDOA Based on Wavelet Threshold De-noising and Conjugate Fuzzy Function
DOU Huijing, WANG Qianlong, ZHANG Xue
2016, 38(5): 1123-1128. doi: 10.11999/JEIT150878
Abstract:
To solve the problem that the second-order fuzzy function can not deal with related noise, as well as the problem of large computation based on fourth-order cumulants joint estimation algorithm, this paper proposes a new joint estimation algorithm of...
Joint DOA and Polarization Estimation with Sparsely Distributed Polarization Sensitive Array
SI Weijian, ZHOU Jiongsai, QU Zhiyu
2016, 38(5): 1129-1134. doi: 10.11999/JEIT150840
Abstract:
This paper studies the multiple targets Direction Of Arrival (DOA) and polarization parameter estimation problem based on the Sparsely Distributed Polarization Sensitive Array (SD-PSA). First of all, the signal model of SD-PSA is set up. Then, by uti...
No-windowed apFFT/FFT Phase Difference Frequency Estimator Based on Frequency-shift Compensation
HUANG Xiangdong, WANG Yuedong, JIN Xukang, Lü Wei
2016, 38(5): 1135-1142. doi: 10.11999/JEIT151041
Abstract:
In order to enhance the accuracy of the classical all-phase FFT/FFT phase-difference frequency estimator, two improvement measures are proposed: no-windowed mode and frequency-shift compensation. By means of spectral analysis trials and theoretical a...
A Robust Algorithm for Unambiguous TDOA Estimation of Multiple Sound Sources under Indoor Environment
FANG Yuzhuo, XU Zhiyong
2016, 38(5): 1143-1150. doi: 10.11999/JEIT150824
Abstract:
For Time Difference Of Arrival (TDOA) estimation of multiple sound sources with wide spacing under indoor environment, an unambiguous algorithm based on approximated Kernel Destiny Estimator (KDE) is studied. According to the short-time spectral spar...
Sever-aided Verification Proxy Re-signature Scheme in the Standard Model
YANG Xiaodong, LI Yanan, GAO Guojuan, WANG Caifen, LU Xiaoyong
2016, 38(5): 1151-1157. doi: 10.11999/JEIT150966
Abstract:
Proxy re-signature has the function of converting signature, and has extensive application prospects, such as cloud storage, data exchange, cross-domain identity authentication and so on. However, most proxy re-signature schemes require expensive bil...
Application of 8-dimensional Generalized Synchronization System in Pseudorandom Number Generator
HAN Dandan, MIN Lequan, ZHAO Geng
2016, 38(5): 1158-1165. doi: 10.11999/JEIT150899
Abstract:
This paper proposes a class of 4-Dimensional Discrete Systems (4DDSs). Using the eigenvalues of Jacobian matrix of the system at the equilibrium, the?stability of the system at the equilibrium is analyzed. A theorem is set up, which is used to determ...
Time-domain Fine Channel Estimation Based on Broadband Burst Single-carrier Frequency Domain Equalization Transmission
WU Zhao, ZHANG Yu, JIANG Long, SONG Jian
2016, 38(5): 1166-1172. doi: 10.11999/JEIT150682
Abstract:
Single Carrier-Frequency Domain Equalization (SC-FDE) is a competitive alternative for broadband wireless communication systems, which has attracted wide attention and extensive research. As an effective technical solution to cope with multipath effe...
Interference Coordination-based Cell Clustering and Power Allocation Algorithm in Dense Small Cell Networks
ZHU Xiaorong, ZHU Weiran
2016, 38(5): 1173-1178. doi: 10.11999/JEIT150756
Abstract:
Effective interference management is one of research difficulties in dense small cell network. This paper proposes a new algorithm in which inter-cell interference is combined with clustering. And the system achieves maximizing system throughput by t...
Spatial Spectrum Based Spectrum Sensing Algorithm and Performance Analysis
DANG Xiaoyu, LI Aming, YU Xiangbin
2016, 38(5): 1179-1185. doi: 10.11999/JEIT150823
Abstract:
Spectrum sensing algorithms based on eigenvalue or spectral density usually use the Gaussian approximated distribution and Tracy-Widom distribution to analyze the test statistic with the presence of the primary user or not respectively, but it is har...
A Self-interference Cancellation and Interference Alignment Algorithm for Full-duplex Relay Networks with Maximum Mutual Information and Low Complexity
XIE Xianzhong, WANG Chuang, LEI Weijia, LAN Shunfu
2016, 38(5): 1186-1193. doi: 10.11999/JEIT150791
Abstract:
This paper considers a multi-user full-duplex relay interference channel where self- interference and user interference exist. Firstly, a self-interference cancellation and interference alignment algorithm based on maximum global mutual information i...
An Effective CU Splitting Algorithm in Inter Prediction of HEVC
SHAN Nana, ZHOU Wei, DUAN Zhemin, WEI Henglu
2016, 38(5): 1194-1201. doi: 10.11999/JEIT150843
Abstract:
High Efficiency Video Coding (HEVC) provides better compression performance by adopting many new techniques. However these tools also increase the computational complexity of the prediction, which consumes most of encoder computations. This paper pro...
An Adaptive Quantization Method of Image Based on the Contrast Sensitivity Characteristics of Human Visual System
YAO Juncai, LIU Guizhong
2016, 38(5): 1202-1210. doi: 10.11999/JEIT150848
Abstract:
In order to improve the compression ratio and quality of the image, combined with the contrast sensitivity characteristics of human vision system and the spectrum characteristics of image in the transform domain, a method is proposed to form the adap...
The Cross-layer Survivable Design of Control Plane Based on Minimum Point Covering in Software Defined Optical Network
XIONG Yu, DONG Xiancun, LI Yuanyuan, Lü Yi, WANG Ruyan
2016, 38(5): 1211-1218. doi: 10.11999/JEIT150815
Abstract:
In order to lower the reliance on single controller in Software Defined Optical Network (SDON), avoid the conflict of different controllers, and improve effectively the survivability on the control plane, the survivable design of SDON control plane b...
A Reliable Most Forward within Radius Scheme Based Broadcast Protocol for Vehicular Ad-hoc Networks
2016, 38(5): 1219-1226. doi: 10.11999/JEIT150763
Abstract:
Many applications in Vehicular Ad-hoc NETworks (VANETs) rely on reliable and efficient broadcast, however, the characters that nodes move quickly and connectivity changes with scenario and time will pose a huge challenge to broadcast protocol designi...
Short-term Traffic Flow Prediction Algorithm Based on Combined Model
RUI Lanlan, LI Qinming
2016, 38(5): 1227-1233. doi: 10.11999/JEIT150846
Abstract:
Traffic flow prediction is a key problem of realizing intelligent transportation technology. Forecasting traffic flow in time and accurately is the precondition to realize the dynamic traffic management. Short -term traffic flow prediction is an impo...
A Dynamic Composition Mechanism for the Security Service Chain Oriented Software Defined Networking
XIONG Gang, HU Yuxiang, DUAN Tong, LAN Julong
2016, 38(5): 1234-1241. doi: 10.11999/JEIT150876
Abstract:
The close relationship between the network security function and the hardware devices causes the static rigidity of the traditional security service mode, which is difficult to meet the various security requirement of future network business developm...
An OpenFlow Based Multipath Transmission Mechanism
CHEN Ming, HU Hui, LIU Bo, XING Changyou, XU Bo
2016, 38(5): 1242-1248. doi: 10.11999/JEIT150928
Abstract:
In order to solve the traffic engineering problems such as low throughput and poor load balancing in high connected data center networks, an OpenFlow based Multipath Transmission (OFMT) mechanism is proposed. By taking advantage of OpenFlow centraliz...
Relativity of Electromagnetic Environment and Down-to-earth Complexity Evaluation
WANG Jian, ZHANG Jiangming, WANG Rui, LI Xu
2016, 38(5): 1249-1255. doi: 10.11999/JEIT150947
Abstract:
To improve the objectivity of evaluation for electromagnetic environment complexity and its influence on electronic information system, taking communication system as an example, the springhead characters of electromagnetic environment complexity, na...
Experimental Study on Target Detection for Multi-FM Broadcasting Based Passive Radar
SHAO Qihong, GONG Ziping, ZHANG Xun, YOU Jun, WAN Xianrong
2016, 38(5): 1256-1260. doi: 10.11999/JEIT150868
Abstract:
FM based passive radar faces some issues such as time varying bandwidth and RCS glint, a multiple FM joint detection scheme is proposed, and the corresponding experiments with passive radar system developed by Wuhan University are carried out. First,...
Analysis of the SNR for 3-D Rotating Sea Ship Detecting in Geosynchronous Synthetic Aperture Radar System
ZHANG Sheng, SUN Guangcai, XING Mengdao
2016, 38(5): 1261-1265. doi: 10.11999/JEIT150821
Abstract:
Signal to Noise Ratio (SNR) of the echo is critical for the detecting performance of sea ship in GEOsynchronous Synthetic Aperture Radar (GEOSAR) system. To address the low SNR problem of single pulse echo due to ultra-long distance between the satel...
Feature Extraction of Electroencephalography Based on LASSO-Granger Causality Between Brain Region of Interest
SHE Qingshan, CHEN Xihao, GAO Farong, LUO Zhizeng
2016, 38(5): 1266-1270. doi: 10.11999/JEIT150851
Abstract:
Brain functional network is introduced to feature extraction of ElectroEncephaloGraphy (EEG), and a novel method is proposed based on Least Absolute Shrinkage and Selection Operator (LASSO)-Granger causality between Region Of Interest (ROI) in the br...