搜索结果: 1-13 共查到“工学 card”相关记录13条 . 查询时间(0.109 秒)
Credit card-sized device focuses terahertz energy to generate high-resolution images（图）
设备聚焦 太赫兹能量 高分辨率图像
2023/6/9
Researchers have created a device that enables them to electronically steer and focus a beam of terahertz electromagnetic energy with extreme precision. This opens the door to high-resolution, real-ti...
PERFORMANCE EVALUATION OF CARD SIZE DIGITAL CAMERA FOR PHOTOGRAMMETRIC APPLICATIONS
Photogrammetry CCD Performance Accuracy Digital Camera
2015/5/27
Recently, downsizing of amateur digital cameras which have high resolution CCD sensor are amazingly increasing by modern semiconductor and digital technology, and there are many downsized amateur digi...
Understanding spatio-temporal mobility patterns for seniors, child/student and adult using smart card data
Transportation Spatio-temporal Mobility Patterns Smart Card Data Network Analysis GIS
2014/12/4
Commutes in urban areas create interesting travel patterns that are often stored in regional transportation databases. These patterns can vary based on the day of the week, the time of the day, and co...
24-Channel Optical Transceiver Module for Waveguide-on-card Interconnects
Optical interconnects Fiber optics communications
2015/6/9
24-channel 850nm optical transceiver modules based on silicon carriers with through-silicon electrical and optical vias have been assembled and tested at 12.5Gb/s/channel. Packaged on an organic carri...
基于多级分布式银行的Smart Card电子支付系统
网络安全 电子商务 电子支付
2009/4/30
在电子支付系统中,采用分布式电子银行方案更适合于网络运行环境,然而在现行的分布式电子银行方案中,每个用户局限在所开帐户的电子银行取得签发的Smart Card和提取或存储电子货币,由于网络的瓶颈作用和安全缺陷,以及用户所处地域的分散性和流动性等因素的限制、使得单一开户的银行方案在实际应用中其分布式特性并未充分得以发挥。针对此,通过采用代理签字与群签字综合的方法,本文提出了多级电子银行的新方案,并对...
Analysis of the Work of a Card Autoleveller with a New Algorithm of Operation
autoleveller card evenness of mass
2009/2/11
These studies concern the work of a modernised autoleveller whose algorithm of operation allows for the phenomenon of sliver retardation after short-term regulation. The autoleveller’seffectiveness at...
适用于Smart Card的有效电子现金解决方案
电子现金 哈希树 Schnorr签名算法
2009/1/4
提出了一个可以在低计算能力、低存储量的硬件(如smart card)上实现的离线电子现金方案。该方案中，电子现金的存储量和效率都比一般的方案优很多，能满足电子现金所需要的安全特性，如匿名性、不可伪造性、多次消费检测等。该文还提出了一个类似的电子票据方案以及通过代理机构代理银行发布电子货币的方案。
Second Collection of Card-Generated, Vertically Elutriated Dust for Comparison Endotoxin Assays
Comparison Endotoxin Assays Vertically Elutriated Dust Card-Generated
2008/4/23
Previously, an elaborate cotton blending and dust collection protocol was developed and implemented to produce uniform, vertically elutriated dust samples that were used in a two-part interlaboratory ...
Personal Computer Memory Card International Association（PCMCIA) an international standards body and trade association with over 100 member companies that was founded in 1989 to establish standards for...
06 December 2006,Several UQ academics have made valuable contributions to the latest report card on Australia's environmental health released today.The State of the Environment (SoE) report, compiled ...
This paper considers the results of using tin or T/A platings as a substitute for gold in card-edge connectors. Measurements have been made on mated systems before and after various environmental test...
An Original Interconnection Technique for an Electronic Payment Card
Interconnection Technique an Electronic Payment Card
2010/12/27
This paper intends to illustrate, through a practical application, the possibilities of LEP foil flexible circuitry for mounting and interconnecting integrated circuits. This technique results in a hi...