作者： 栾凤宇，卢继华 （北京理工大学信息与电子学院）

出处： 现代电子技术 2009 第A1期

作者： Zhang, Y;Siu, WC;Shen, TZ （School of Information and Electronics, Beijing Institute of Technology, Beijing 100081, China Department of Electronic and Information Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China Department of Electronic and Information Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China School of Information and Electronics, Beijing Institute of Technology, Beijing 100081, China）

出处： 北京理工大学学报（英文版） 2009 Vol.18 No.2 P209-214

关键词： video coding;motion estimation;sub-pixel;variable block size

摘要： th a slight degradation (0.03 dB) on PSNR compared with the pseudocode of fast search motion estimation in JM12.2.

作者： XING Ling;MA Jian-guo;LI You-ping;LIU Zhi-wen （School of Information and Electronics, Beijing Institute of Technology, Beijing 100081, China School of Information Engineering, Southwest University of Science and Technology, Mianyang 621010, China School of Information Engineering, Southwest University of Science and Technology, Mianyang 621010, China School of Information and Electronics, Beijing Institute of Technology, Beijing 100081, China）

出处： 北京理工大学学报（英文版） 2009 Vol.18 No.2 P215-219

关键词： interactive television;digital television (DTV);uniform content locator (UCL);scale-free properties

摘要： sumers to communicate with each other expediently. Experimental results show that DMTN can provide not only traditional TV services on schedule, but a ...

作者： AN Jian-ping;ZHANG De-sheng;WU Yan-bo （School of Information and Electronics, Beijing Institute of Technology, Beijing 100081, China）

出处： 北京理工大学学报（英文版） 2009 Vol.18 No.2 P203-208

关键词： aeronautical wireless communication;inter-carrier interference cancellation;bit-error-rate analysis

摘要： d. We carried out Monte Carlo simulation with typical aeronautical en-route channel, and the simulation results are in agreement with the deduced theo ...

作者： XU Zhan;AN Jian-ping;YANG Kai;LIU Peng （School of Information and Electronics, Beijing Institute of Technology, Beijing 100081, China）

出处： 北京理工大学学报（英文版） 2009 Vol.18 No.4 P473-477

关键词： energy detection;accumulation;probability of false alarm;probability of missed detection

摘要： A simple method using aided sliding rectangular windows for synchronization in energy detector (ED) receiver is proposed for impulse-based ultra wideb ...

作者： ZHANG Jian;SHEN Ting-zhi;JIANG Wei;ZHANG Ying （School of Information and Electronics, Beijing Institute of Technology, Beijing 100081, China）

出处： 北京理工大学学报（英文版） 2009 Vol.18 No.3 P313-317

关键词： transcoding;downsizing;intraprediction

摘要： A fast algorithm based on direction in intra frame downsizing in H.264 is proposed, which used modes information of macroblocks before transcoding and ...

作者： Lu, Qing;Xu, Xiao-Wen;He, Mang （School of Information and Electronics, Beijing Institute of Technology, Beijing 100081, China）

出处： Transactions of Beijing Institute of Technology 2009 Vol.29 No.12 P1096-1099

摘要： Based on the mechanism of the microstrip antenna, two practical broadband antennas, namely the stacked dual-patch and the capacitance compensated one, ...

作者： 臧怀刚 （导师：陶然）

学位名称： 博士

出处： 北京理工大学 2009

关键词： 超声探测技术；匹配滤波器；时频分析；模糊补偿；虚拟仪器

作者： 侯亮 （导师：吴嗣亮）

学位名称： 硕士

出处： 北京理工大学 2009

关键词： 脉冲多普勒雷达；PD；信号处理机；CAN

作者： 王寒涛，赵保军，唐林波 （北京理工大学信息与电子学院）

出处： 光学技术 2009 第6期 P810-814，818

关键词： 图像处理；星空图像；运动点目标；最小二乘；轨迹关联

摘要： 针对星空图像中运动点目标轨迹难于提取的问题,提出了有限帧最小二乘轨迹关联算法。采用相邻帧差分、自适应阈值分割、连通域处理和质心计算等步骤实现了疑似目标的定位。根据星点目标运动轨迹近似为直线、运动的连续性和相关性等特点,利用有限帧最小二乘线性拟合预测目标位置,以预测位置为中心开搜索窗,关联匹配真实目标 ...