Journal of Electronics (China)

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A new scheduling algorithm to provide proportional QoS in optical burst switching networks
Journal of Electronics (China) - - 2006
Wei Tan, Zhizhong Zhang, Yunhan Luo, Sheng Wang, Lemin Li
An efficient UE cluster head selection algorithm in wireless sensor networks and cellular networks
Journal of Electronics (China) - Tập 30 - Trang 57-65 - 2013
Shan Lianhai, Yuling Ouyang, Zhi Yuan, Weidong Fang, Honglin Hu
Wireless Sensor Networks (WSNs) have been applied in many different areas. Energy efficient algorithms and protocols have become one of the most challenging issues for WSN. Many researchers focused on developing energy efficient clustering algorithms for WSN, but less research has been concerned in the mobile User Equipment (UE) acting as a Cluster Head (CH) for data transmission between cellular ...... hiện toàn bộ
Novel two-layer motion estimation for video coding
Journal of Electronics (China) - Tập 31 - Trang 354-365 - 2014
A. V. Paramkusam, V. S. K. Reddy
In this paper, we proposed a novel Two-layer Motion Estimation (TME) which searches motion vectors on two layers with partial distortion measures in order to reduce the overwhelming computational complexity of Motion Estimation (ME) in video coding. A layer is an image which is derived from the reference frame such that the sum of a block of pixels in the reference frame determines the point of a ...... hiện toàn bộ
Automatic orthogonalization detection approach for GS algorithm
Journal of Electronics (China) - Tập 12 - Trang 186-192 - 1995
Xiao Dan, Gu Dereng
Gram-Schmidt orthogonalization algorithm is an interesting theme in the field of adaptive beam-forming and filtering as a fast algorithm. However, a key problem associated with this algorithm is that the number of orthogonalization, namely, the dimensions of interference subspace, is required to know prior. In this paper we derive a threshold and adopt it to detect the number of orthogonalization ...... hiện toàn bộ
Performance analysis of the music algorithm in the presence of amplitude and phase error
Journal of Electronics (China) - Tập 15 - Trang 226-232 - 1998
Weimin Su, Hong Gu, Jinlin Ni, Guosui Liu, Guangyi Zhang
This paper presents the performance analysis of the MUSIC algorithm in the presence of channel amplitude and phase Error. Theoretical expression for the error of DOA estimating with MUSIC algorithm and Cramer-Rao bound are derived. It is compared with simulations performed for some representative cases. The results of theoretical expression and simulation show that existence of these errors will i...... hiện toàn bộ
Electronic effects of La at the Si-SiO2 interface
Journal of Electronics (China) - - 1985
Si-Yuan Li, Tongjun Zhang
Discriminant Independent Component Analysis as a subspace representation
Journal of Electronics (China) - Tập 23 - Trang 103-106 - 2006
Fei Long, Jinsong He, Xueyi Ye, Zhenquan Zhuang, Bin Li
Subspace modeling plays an important role in face recognition. Independent Component Analysis (ICA), a multivariable statistical analysis technique, can be seen as an extension of traditional Principal Component Analysis (PCA) technique, which addresses high order statistics as well as second order statistics. In this paper, a new scheme of subspace-based representation called Discriminant Indepen...... hiện toàn bộ
A compact planar ultra-broadband sum-and-difference network
Journal of Electronics (China) - Tập 25 Số 6 - Trang 803-807 - 2008
Wenwen Chai, Xiaojuan Zhang
Simultaneous multiple target recognition using polarization agile waves
Journal of Electronics (China) - Tập 29 - Trang 237-241 - 2012
Xinwei Chen, Wen Wu, Jianzhong Zhao
A novel matching method for simultaneous multi-target recognition is proposed by jointly considering target’s prior scattering knowledge and the polarization parameters of radar echoes. The matching coefficients are calculated for the judgment. MATLAB simulations show that several targets can be accurately recognized simultaneously, and a high recognition probability can be achieved in Monte Carlo...... hiện toàn bộ
Attitude rate estimation by GPS Doppler signal processing
Journal of Electronics (China) - Tập 20 - Trang 13-19 - 2003
Side He, Doroslovacki Milos, Zhenyu Guo, Yufeng Zhang
A method is presented for near-Earth spacecraft or aviation vehicle’s attitude rate estimation by using relative Doppler frequency shift of the Global Positioning System (GPS) carrier. It comprises two GPS receiving antennas, a signal processing circuit and an algorithm. The whole system is relatively simple, the cost and weight, as well as power consumption, are very low.
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