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Aim To develop a new approach based on the industry personal computer so as to realize color music spring control with high quality.

目的 使用先进的数字预测控制算法,建立以工控机为核心的音乐喷泉计算机控制处理系统,改善传统控制方法的滞后效应。

Combined with modern digital image processing technology, image matching and composite method of a group of images is discussed based upon which a computer aided composite method of the lenticular screen covering color stereo image is developed.

对基于柱透镜光栅的立体照片的制作原理进行了理论分析,推导了立体成像的光学原理,结合现代数字图像处理技术,对多幅图像的匹配及合成方法进行了分析,提出和实现了一种计算机辅助彩色立体图片合成方法。

In this paper we firstly discuss the general concepts of compter security and cryptology, and then describe the mostly used modern encryption methods and technologies. We detail the advantages and disadvantages of symmetric algorithm, public-key algorithm and one-way hash function. At last we put forward a new block cipher - permutation code, and describe the secret hash digital signature and online electronic contracting with the trusted third party system.

本文首先讨论计算机安全和密码学的一般概念,然后介绍现代加密手段常用的方法和技术,详细讨论了对称加密方法、公开密钥加密方法和单向散列加密方法的优点和不足,进而提出了一种新型的分组加密算法—排列码加密算法,并在此基础上实现了保密散列数字签名算法和有可信第三方参与的网上电子签约。

With the rapid development of computer network and information technology, digitalsignature technology is widely used.

随着计算机和网络通信技术的发展,数字签名技术得到了广泛的应用。

The industrialized nations of the West are already scrambling to computerize (1982 sales: 435,000 in Japan, 392,000 in Western Europe).

在西方工业化国家已纷纷配备计算机的时候(1982 年的销售数字:日本 43.5 万台,西欧 39.2 万台),其对于第三世界国家的影响仍然是不确定的。

The controller 218 is connected or connectable with a host system such as a personal computer, a digital camera, personal digital assistant, etc.

控制器218与或可与例如个人计算机、数码相机、个人数字助理等主机系统连接。

Connected component detection is an elementary and time-consuming operation in digital image processing. It is widely applied in pattern recognition, characteristic extraction, image understanding and so on.

连通检测是计算机数字图象处理中一个重要的基本操作,它在模式识别、图象理解、图象特征提取等方面有着广泛的用途。

An industrial control system based on industrial control computer and digital signal processor is introduced in this paper.

传统的工业控制计算机或单片机虽然具有良好的工业控制功能,但不具有很好的数字信号处理能力。

Scanner is a relatively sophisticated equipment, it is necessary to use at work within the photoelectric conversion device to convert analog signals into digital signals, and then to the computer.

扫描仪是一种比较精致的设备,它在工作时需要用到内部的光电转换装置,以便把模拟信号转换成数字信号,然后再送到计算机中。

A new method for measurement of liquidus temperature of aluminum electrolyte system with one meter connected to COM port of a computer is introduced. Liquidus temperature is determined based on cooling curve by using thermal analysis method.

研究了一种新的铝电解质初晶温度的测定方法:采用数字万用表与计算机串口相结合的测量技术,利用热分析法,根据步冷曲线确定电解质体系的初晶温度。

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。

The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.

聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力