搜索结果: 1-7 共查到“光学工程 Security”相关记录7条 . 查询时间(0.062 秒)
2018年SPIE医药，工业和国家安全的辐射探测器会议（SPIE Radiation Detectors in Medicine,Industry,and National Security XIX）
2018年 SPIE 医药，工业和国家安全的辐射探测器 会议
2017/11/27
Radiation detectors are used to detect energetic ionizing radiation such as: gamma rays, x-rays, protons, alpha particles, neutrons, and beta particles (electrons and positrons). Radiation-detector te...
2017SPIE安全与防御系统技术中的光学材料与生物材料专题会议（Optical Materials and Biomaterials in Security and Defence Systems Technology）
2017 SPIE 安全与防御系统技术中的光学材料与生物材料 专题会议
2017/4/25
This conference will highlight state of the art and emerging nano-bio materials and devices and their role in the development of new security and defence systems. The aim is to review materials and de...
Join fellow engineers, scientists, programme managers and policy makers in Warsaw for the latest developments in sensing, data and signal analysis, optronics, quantum science, optical technologies, an...
Three-dimensional imaging of hold baggage for airport security
Three-dimensional X-Ray Image Close Range Photogrammetry
2014/7/30
This study describes a cost-effective check-in baggage screening system, based on "on-belt tomosynthesis" (ObT) and close-range photogrammetry, that is designed to address the limitations of the most ...
New photonics for medicine, public safety, and more on the program at SPIE Defense, Security, and Sensing
sensing technologies microscopy forensics
2011/4/22
New conferences on sensing technologies and microscopy technologies with multiple applications from medicine and forensics to defense and homeland security join a broad-ranging established program at ...
Quantum Key Distribution offers the promise of secure communication at unprecedented security level. Secure systems can be implemented by standard optical communication components - if done right. We ...
Security Enhanced SPECTS O-CDMA with Four-State Encoded Data Modulation
Networks Optical security encryption.
2015/6/9
We demonstrate a security enhancement mechanism based on four-state temporal optical coding which protects a SPECTS O-CDMA upstream link against eavesdropping including DPSK detection. The FPGA-based ...