数字信号

To overcome this problem, we think to digitized the signal at medium frequency, even RF, and then demodulate it in digital domain.

为克服这一问题，人们考虑在中频，甚至射频就对信号数字化，再在数字域内进行解调。

The principles, commonly used methods and criteria of data compression are introduced descriptively.

数字化多媒体信息尤其是数字视频、音频信号的数据量是极其庞大的，给存储、传输以及有效、快速获取信息都带来了严重的障碍，如果不对其进行有效的压缩就难以得到实际应用〔'。

The realization is in the middle to production line of various pressure, temperature, liquid.,Discharge and various accurate diagraph of other parameters and control.

DMI－310数字显示仪和各种热电偶，热电阻及各种信号输出的变送器配套，实现对生产过程中的各种压力温度液位流量以及其他各种参数的准确测量与控制。

Digital data acquisition principles and practices are discussed, including the relationship between the sampling rate and signal frequency.

数字数据采集的原则和做法进行了讨论，包括之间的采样率和信号频率的关系。

With the development of the techniques of optical storage and digital recording, many advanced optical storage and digital recording channels have been proposed, which have been forwarding the research of the signal processing and coding.

随着光存储技术的不断发展，许多先进的光存储和数字记录信道被相继提出，从而推动了信号处理与编码技术的研究。

That's how your digital TV signal is formed.

这就是你的数字电视信号的组成。

This paper presents the research and design of 25Hz AC counting code signalling digital filter.

介绍25Hz 交流计数电码信号数字滤波器的研究设计。

Digital substriber Signalling System n o one protocol.

数字用户信号系统第1号协议(DSS1)。

As the increasing demands in communication and computer area, approaches should be found to compress digital speech signal with lo...

由于通讯和计算机等领域的需要，数字表示的语音信号要以尽可能低的码率进行压缩处理并保持一定音质。

What is more, the use of digital technology makes the signal transmission to the electronic control system extremely secure.

此外，使用数字技术使得信号到电子控制系统的传输极为安全可靠。

And discuss some key point of integrated management system design, include hazard identification and risk assessment and risk control in the occupational health and safety management, the measure of satisfaction target of customer, the flawlessness of law system, the integration of the integrated management system and enterprise standardization system, unify lead institution and work orgnization, integreted internal audit and integrated management review.

同时，论述了一体化管理体系构建中的几个主要问题，包括职业健康安全管理中的危险源辨识、风险评价和风险控制、顾客满意度的科学监测、法律、法规体系的完善、一体化管理体系与企业标准化体系的有机结合、统一的领导机构和工作机构、一体化的内部审核和管理评审。

Deepwater Taranaki is investigated for its petroleum potential, using all available seismic data tied to shallow-water wells.

运用与浅水井相关的现有全部震波探测数据考察了深海区塔拉纳基盆地的油藏前景。