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。

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。