数字数据

It can be used in electronic commerce, electronic government, and electronic data Interchange and so on, and making some advanced application possible.

数字签名技术可以广泛应用于电子商务、电子政务、电子数据交换等不同领域，为其它高级应用提供了可能。

The article mainly research cryptography applying in digital encrypts technique base on PKI and mainly includes three steps: public key encipher, digital signature and key distribution.

本论文主要是对密码学在信息加密技术中的应用进行研究，主要是基于PKI公钥密码体制来对公钥数据加密、数字签名和密钥分配这三个方面进行研究。

In digital communication system,in order to ensure the data be transferred correctly,the error control mechanism is adopted.

在数字通信系统中，为保证数据传输过程的正确性，需要对通信过程进行差错控制。

According to the system specification of DRM given by ETSI, the channel coding scheme applied to the system is a set of combination schemes of the multilevel coding and modulation.

根据欧洲电信标准化委员会提供的数字调幅广播系统说明书可知，该系统采用的信道编码方案是一套基于删除卷积码的多级编码和调制的组合方案，它机制灵活，可以针对不同的数据通道和不同的信道条件选择不同码率的分量码和星座图。

Dealing with common problem and data maintenance is an important part of daily maintenance of programming digital exchanger.

常见问题的处理和数据维护是程控数字交换机的日常维护的重要组成部分。

This figure is around eight times higher than preiously thought, the data suggest.

数据表明，这个数字大约比以前人们设想的八倍还要高。

To be physically realizable, digital filters should be represented by a finite sequence of samples of points.

为了能够直观地看到，在做数字滤波的时候应该用若干个数据实验。

Transport costs consume nearly 13% of Brazil's GDP, five percentage points more than in the United States, according to Paulo Fleury of COPPEAD, a business school in Rio de Janeiro.

运输成本大概占巴西GDP的13%，根据里约热内卢的一家商业学校paulo，fleury的数据，这个数字整整比美国高了5个百分点。

A high-speed digital signal driver used in data communication system is composed of a main drive unit containing the CMOS inverters at preceding and final stages and a feedforward and positive feedback unit containing the CMOS inverters at the first and the second stages and the forestage CMOS inverter is said main drive unit.

本发明涉及一种用于数据通信系统的高速数字信号驱动电路，其包括：含有前级CMOS反相器和末级CMOS反相器的主驱动单元，含有第一、第二级CMOS反相器及所述主驱动单元的前级CMOS反相器的前馈和正反馈单元。

Fourier series in the digital signal processing is a very important application, it provides F...

傅立叶级数在数字信号处理中有非常重要的应用，这里提供了傅立叶级数在C环境下的源码及其应用，对于数据处理的工程人员大有裨益。

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。