基于相位恢复的光学信息安全技术研究合密钥先后采取傅里叶变换，滤波以及逆傅里叶变换等步骤解调出对应的纯相位密钥，然后结合载体图像，利用双光束干涉的光学装置便可以提取出相应的图像。同时...

北京理工大学珠海学院2020届本科生毕业设计Design of intelligent attendance system based on NFCAbstractWith the continuous development of near-field communication technology andinform...

AbstractWith the increasing development of information automation technology,howto carry out scientific,comprehensive,efficient unit complex on the filemanagement services computer...

媒体资产管理的信息化技术研究摘要：随着多媒体技术的不断发展，各种便携式多媒体设备逐渐涌现，当代对于信息的记录已经不再局限于简单的文字，而是逐步扩充到了图片、视频、声音等多媒体格式，...

AbstractIn order to meet the requirements of modern residents on the door lock,people can save the trouble of forgetting to take the key or missing the keywhen they go out,and help...

杆的振动是影响BTA加工质量的重要因素。本文主要在现有理论研究的基础上，建立BTA深孔钻头数学模型，分析BTA的力学特性。BTA深孔钻的力学特性对其性能、寿命、加工质量等都有极其深远的影响。通...

AbstractIn the 21st century,our development is very fast,and many things in society arechanging from low to high levels.Nowadays,people are more and more commonlyusing database sys...

AbstactIn the Global Scientific and technological development of the premise,UAV has become the era of the birth of a major scientific and technologicalproducts.And drones are alwa...

北京理工大学珠海学院2020届本科生毕业论文The Design and implementation of zhuhai educational resourcemanagement networkAbstractWith the rapid development of society,people's demand ...

AbstractWith the continuous advancement of artificial intelligence technology,the Internet of Things technology is gradually closely related to daily life.More and more agricultura...