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光电信息大讲堂第213期：低功耗高速通信电路与系统Low-Power and High-Speed Communications Circuits and Systems
物联网 无线电收发器 通信电路
2023/4/17
物联网的普遍应用依赖于以不断增长的速度高效地收集、交换和处理信息的能力。这对通信电路和系统的设计提出了巨大的挑战：在设备节点中，无线电通信需要同时实现低功耗、高性能和低成本；在核心数据网络（云）中，海量数据必须以超高吞吐量移动，要求信号链和时钟的高精度和保真度。为了应对这些挑战，本次报告讨论了用于物联网、医疗保健和生物医学应用的超低功率无线电收发器的几种创新架构和电路实现，以及高性能频率产生技术。...
High-speed camera captures a water jet’s splashy impact as it pierces a droplet（图）
高速摄像机 水射流 注射药物
2023/6/19
Squirting a jet of water through a drop of liquid may sound like idle fun, but if done precisely, and understood thoroughly, the splashy exercise could help scientists identify ways to inject fluids s...
A VARIANT OF LSD-SLAM CAPABLE OF PROCESSING HIGH-SPEED LOW-FRAMERATE MONOCULAR DATASETS
monocular visual odometry filter-based visual odometry Augmented Reality
2018/3/6
We develop a new variant of LSD-SLAM, called C-LSD-SLAM, which is capable of performing monocular tracking and mapping in high-speed low-framerate situations such as those of the KITTI datasets. The m...
2017年大数据BY&FOR高速成像和粒子跟踪研讨会（Workshop on Big Data BY&FOR High-Speed Imaging & Particle Tracking）
2017年 大数据BY&FOR高速成像和粒子跟踪 研讨会
2017/10/26
The future of instrument development necessitates sending out only indispensable information rather than raw data. The new framework of compressive sampling, together with automated data mining, prese...
RIT team creates high-speed internet lane for emergency situations
RIT team high-speed internet lane emergency situations
2017/7/20
In a disaster, a delay can mean the difference between life and death. Emergency responders don’t have time to wait in traffic—even on the congested information superhighway.That’s why researchers at ...
Tiny Black Holes Enable a New Type of Photodetector for High-Speed Data
Tiny Black Holes Enable New Type Photodetector High-Speed Data
2017/4/27
Tiny “black holes” on a silicon wafer make for a new type of photodetector that could move more data at lower cost around the world or across a data center. The technology, developed by electrical eng...
A METHOD FOR THE EXTRACTION OF LONG-TERM DEFORMATION CHARACTERISTICS OF LONG-SPAN HIGH-SPEED RAILWAY BRIDGES USING HIGH-RESOLUTION SAR IMAGES
InSAR High Resolution Deformation Characteristic Long-term Long-span Bridge
2016/11/23
Natural causes and high-speed train load will result in the structural deformation of long-span bridges, which greatly influence the safety operation of high-speed railway. Hence it is necessary to co...
DEVELOPMENT OF NEUROMORPHIC SIFT OPERATOR WITH APPLICATION TO HIGH SPEED IMAGE MATCHING
Neuromorphics SIFT Image Matching FPGA Neural Network
2016/1/18
There was always a speed/accuracy challenge in photogrammetric mapping process, including feature detection and matching. Most of the researches have improved algorithm's speed with simplifications or...
4D Surface matching for high-speed stereo sequences
high-speed camera stereo image sequence free-form surface matching correlation
2015/8/25
In automotive industry, an increasing demand on 3D surface reconstruction from high-speed camera images can be observed, e.g. in car safety testing environments. The paper deals with the automatic pho...
Architectures for High Dynamic Range,High Speed Image Sensor Readout Circuits
Architectures High Dynamic Range High Speed Image Sensor Readout Circuits
2015/8/17
The stringent performance requirements of many infrared imaging applications warrant the development of precision high dynamic range, high speed focal plane arrays. In addition to achieving high dynam...
Receding horizon control: Automatic generation of high-speed solvers
Rolling time domain control model predictive control optimization cost
2015/8/7
Receding horizon control (RHC), also known as model predictive control (MPC), is a general purpose control scheme that involves repeatedly solving a constrained optimization problem, using predictions...
Aerodynamic Simulation and Shape Optimization for High Speed Flow
Aerodynamic Simulation Shape Optimization High Speed Flow
2015/7/2
In this paper we review the development of aerodynamic simulation and shape optimization techniques which had their inception in Princeton during the early eighties, when Seymour M. Bogdonoff wa...
High-Order Accurate Methods for High-Speed Flow
High-Order Accurate Methods High-Speed Flow
2015/7/2
This work focuses on high-order numerical schemes for conservation laws with emphasis on problems that admit discontinuous solutions. We will investigate several enabling techniques with the aim to co...
A Multigrid Method for High Speed Reactive Flows
Multigrid Method High Speed Reactive Flows
2015/7/1
This paper presents a multigrid method for computing inviscid and viscous high speed steady-state hydrogen/oxygen and hydrogen/air reactive flows.
Flux Limited Dissipation Schemes for High Speed Unsteady Flows
Flux Limited Dissipation Schemes High Speed Unsteady Flows
2015/7/1
Within the framework of the Local Extremum Di-minishing (LED) or Essentially Local Extremum Diminishing (ELED) principle, efficient approaches to obtain a class of non-oscillatory high resolution sche...