院系详细页面

[中文期刊] 基于梯度指导的生成对抗网络内镜图像去模糊重建剑桥核源

作者：时永刚，张岳，周治国，李祎，夏卓岩（北京理工大学信息与电子学院）

出处：电子与信息学报 2022 第44卷第1期 P70-77

关键词：胃镜图像；去模糊；生成对抗网络；梯度指导

摘要：胃肠镜检查是目前临床上检查和诊断消化道疾病最重要的途径,内窥镜图像的运动模糊会对医生诊断和机器辅助诊断造成干扰。现有的去模糊网络由于缺乏对结构信息的关注,在处理内窥镜图像时普遍存在着伪影和结构变形的问题。为解决这一问题,提高胃镜图像质量,该文提出一种基于梯度指导的生成对抗网络,网络以多尺度残差网络（ ...

[中文期刊] 基于阶梯结构的U-Net结肠息肉分割算法剑桥核源

作者：时永刚，李祎，周治国，张岳，夏卓岩（北京理工大学信息与电子学院）

出处：电子与信息学报 2022 第44卷第1期 P39-47

关键词：图像分割；结肠息肉图像；空洞卷积；U-Net

摘要：结肠息肉的精确分割对结直肠癌的诊断和治疗具有重要意义,目前的分割方法普遍存在有伪影、分割精度低等问题。该文提出一种基于阶梯结构的U-Net结肠息肉分割算法（SU-Net）,使用U-Net的U型结构,利用Kronecker乘积来扩展标准空洞卷积核,构成Kronecker空洞卷积下采样有效扩大感受野,弥 ...

[外文期刊] Asteroid Approaching Orbit Optimization Considering Optical Navigation Observability EI

作者： Dong Qiao¹;Xingyu Zhou²;Zeduan Zhao³;Tong Qin⁴; （¹1, Beijing Institute of Technology, Beijing, China ;²Beijing Institute of Technology, 47833 Beijing, Beijing, China ;³School of Aerospace Engineering, Nanjing Research Institute of Electronic Engineering, 154522 Nanjing, Jiangsu, China ;⁴School of Information and Electronic Systems, Beijing Institute of Technology, 47833 Beijing, Beijing, China）

出处： IEEE Transactions on Aerospace and Electronic Systems 2022 P1

关键词： Solar system;Navigation;Adaptive optics;Optical imaging;Optimization;Space vehicles;Planetary orbits

摘要： An increasing demand for investigating the solar system has envisioned many asteroid exploration missions.Optical navigation is the principal technolo ...

[中文期刊] 一种具有噪声整形功能的2 bit/cycle SAR ADC的设计 CA CSCD 剑桥核源

作者：陈志铭，高一格，张蕾，王兴华（北京理工大学信息与电子学院）

出处：北京理工大学学报 2022 第5期

关键词： 2；bit/cycle；逐次逼近型模数转换器；噪声整形

摘要：基于180nm CMOS 工艺，设计了一种2 bit/cycle 结构的8 bit、100 MS/s 逐次逼近模数转换器（SAR ADC）. 采用两个DAC 电容阵列SIG_DAC、REF_DAC 实现了2 bit/cycle 量化，其中SIG_DAC 采用上极板采样大大减少了电容数目，分裂电容式结 ...

[中文期刊] 多点协同传输机制下的多层无人机—地面异构网络覆盖性能分析

作者：王维昊，蒋逸凡，费泽松，郭婧（北京理工大学信息与电子学院）

出处： Frontiers of Information Technology & Electronic Engineering 2022 第23卷第1期 P61-73

关键词：无人机；泊松点过程；多点协同；干扰统计特性；覆盖性能

摘要：为满足第六代移动通信的泛在连接需求,无人机作为未来通信网络主要组成部分发挥着关键作用。。频谱共享和视距链路传输造成的干扰是无人机通信的一个主要问题。近年来,为减少无人机—-地面异构网络干扰,提出多点协同传输技术。本文提出一个三维多层无人机—地面异构网络,其中无人机作为空中基站部署于不同高度。利用随机 ...

[外文期刊] Method of Eliminating Helicopter Vibration Interference Magnetic Field with a Pair of Magnetometers

作者： Yongqiang Feng;Yaoxin Zheng;Luzhao Chen;Xiaodong Qu;Guangyou Fang （Aerospace Information Research Institute, Chinese Academy of Sciences, No. 9 Dengzhuang South Road, Haidian District, Beijing 100094, China Aerospace Information Research Institute, Chinese Academy of Sciences, No. 9 Dengzhuang South Road, Haidian District, Beijing 100094, China Beijing Automation Control Equipment Institute, Beijing 100074, China School of Information and Electronics, Beijing Institute of Technology, No. 5 South Street, Zhongguancun, Haidian District, Beijing 100081, China Aerospace Information Research Institute, Chinese Academy of Sciences, No. 9 Dengzhuang South Road, Haidian District, Beijing 100094, China）

出处： Applied Sciences 2022 Vol.12 No.2065 P2065

关键词： vibration interference field;aeromagnetic compensation;coherent noise suppression method

摘要： The low-frequency electromagnetic fields and magnetic anomalies generated by ships and other underwater platforms are widely recognized as important f ...

[中文期刊] Coverage performance of the multilayer UAV-terrestrial HetNet with CoMP transmission scheme^∗ CSCD

作者： Weihao WANG，Yifan JIANG，Zesong FEI，Jing GUO （School of Information and Electronics Beijing Institute of Technology）

出处： Frontiers of Information Technology & Electronic Engineering 2022 第23卷第1期 P61-72

关键词： Unmanned；aerial；vehicle；Poisson；point；process；Coordinated；multipoint；(CoMP)；Statistics；of；interference；Coverage；performance

摘要： To support the ubiquitous connectivity requirement of sixth generation communication, unmanned aerial vehicles (UAVs) play a key role as a major part ...

[中文期刊] Blind adaptive identification and equalization using bias-compensated NLMS methods 源

作者： Zhen ZHANG，Lijuan JIA，Ran TAO，Yue WANG （School of Information and Electronics，Beijing Institute of Technology）

出处： Science China(Information Sciences) 2022 第65卷第5期 P184-195

摘要： In this paper, two new blind adaptive identification and equalization algorithms based on second-order statistics are proposed. We consider a practica ...

[中文期刊] Predictive Decision and Reliable Accessing for UAV Communication in Space-Air-Ground Integrated Networks CSCD 源

作者： Bowen Zeng，Zhongshan Zhang，Xuhui Ding，Xiangyuan Bu，Jianping An （School of Information and Electronics，Beijing Institute of Technology）

出处： China Communications 2022 第19卷第1期 P166-185

关键词： space-air-ground；integrated；networks；UAV；communication；air；communication；controlling；predictive；decision；reliable；accessing

摘要： The cooperation of multiple Unmanned Aerial Vehicles（UAVs） has become a promising scenario in Space-Air-Ground Integrated Networks（SAGINs） recently du ...

[中文期刊] Sensitivity of N400 Effect During Speech Comprehension Under the Uni-and Bi-Modality Conditions

作者： Yanfei Lin¹;Zhiwen Liu¹;Xiaorong Gao²; （¹the School of Information and Electronics, Beijing Institute of Technology;²the Department of Biomedical Engineering, Tsinghua University）

出处： Tsinghua Science and Technology 2022 第27卷第1期 P141-149

关键词： audio-visual；speech；auditory；noise；audio-visual；integration；Signal-to-Noise；Ratio；(SNR)

摘要： N400 is an objective electrophysiological index in semantic processing for brain. This study focuses on the sensitivity of N400 effect during speech c ...