this paper introduced the functional module, communication mode, information flow, communication standard and encryption technique of electronic data interchange.
介绍了电子数据交换的功能模块、通信方式、信息流程、通信标準和加密技术。
data encryption technique is an urgent problem to solve today.
数据加密技术是当前通信技术中急待解决的问题。
after analysis of protecting and cracking encryption technique of software, the paper presents a software protection technique using cpld(complex programmable logic device).
本文在分析软件保护技术与破解技术的基础上,研究了用cpld来实现软件保护技术。
it is a high quality data encryption technique by double random phase encoding with uniformly distributed random phase in both input and fourier phases.
在输入面和频谱面上分别放置随机相位加密模板对图像数据进行加密是一种高密级的有效数据加密技术。
transmission of the radio signal that activates the system is not particularly secure, however. a new encryption technique increases security without draining the key's battery.
然而靠无线电传输来激活汽车系统的方法并不是绝对安全的,下面介绍一种增加汽车安全性的新加密技术。
double random phase encryption technique is simulated, its faulty tolerance is also analyzed and results of simulated experiments are given.
对双随机相位加密过程进行了计算机模拟,并对该技术的误差容限进行了分析与模拟。
for this purpose, after deeply researched encryption and comparison, we use combination encryption technique to optimize cryptography.
为此,我们深入研究加密算法,对多种算法进行了优劣性比较,用组合密码技术来优化和强化加密算法。
data encryption technique is one of mostly used information security techniques.
其中数据加密技术又是信息安全技术的核心。
a new optical encryption technique based on double random phase computer-generated hologram of asymmetry fractional fourier transform is presented.
提出了一种利用不对称分数傅里叶变换和双随机相位编码对图像加密的方法。
applying encryption technique is a valid and economical means of protecting important information in modern society.
采用加密技术是现代社会保护敏感信息的一种较为有效和经济的手段。
the chaotic image encryption technique is presented in this paper; some advantages with chaotic technique and some valuable problems for further research were illustrated.
本文介绍了混沌加密技术和利用混沌技术进行图像加密的方法,并阐述了图像混沌加密的特点和一些值得进一步研究的问题。
encryption technique is the key technology of the ear of information.
信息安全的一种有效方法。
we point out the solution of the security problem is based on encryption technique and digital watermark technique.
从信息隐藏技术发展而来的数字水印技术为实现此类保护提供了十分有效的保障。
a substitution cypher is a simple encryption technique where every letter of the alphabet is substituted with another letter from the alphabet.
置换密码是一种简单的加密技术,采用这项技术将把字母表中的每个字母替换为字母表中的其他字母。
taking advantages of des algorithm and chaotic sequences, the communication system is securer than that using any encryption technique lonely.
这样,可实现对图像的des与混沌序列的级联加密,发挥它们各自的优点,使图像保密通信的安全性得到提高。