查询词典 digital transmission

Digital baseband signal transmission is the digital communication system, one of an important part of.

数字基带信号的传输是数字通信系统的重要组成部分之一。

The digital baseband signal's transmission is one of digital communication system's important components.

数字基带信号的传输是数字通信系统的重要组成部分之一。

A mathematical cascade model of 35 kV power transmission line with concentrated parameter is developed and a multiple modules coupling model of this power transmission system fit for digital real-time simulation is further presented on the basis of known model of synchronous machine and composite load.

建立了35kV输电线正常运行状态级联集中参数数字仿真的数学模型，并在已知同步发电机、变压器和综合负载模型的基础上，进一步提出了适合于35kV馈电系统数字实时仿真的多模块耦合模型，同时给出了相应的数字积分方法。

Industrial Automation: Automatic control equipment, industrial control machines, probing instruments, instruments and meters, DCS distribution control system, process automatic control system, automatic control system, remote control system, VVVF, PC bus industrial control machine, field bus products, numeric control and digital display equipment, power transmission equipment, electric drive an mechanical transmission devices, braking system, etc..

工业自动化：自动化控制设备、工控机、探测仪器、仪器仪表、衡量器件、传感器、转换器、变送器、DCS集散控制系统、分布控制系统、过程自动控制系统、自控系统、测控系统、VVVF、PC总线工控机、I/O模板、现场总线产品、数控数显设备、变频调速等电气传动装置、动力传动设备、电动与机械传动装置、制动系统等。

Then the types of upper sensors are determined. The CMOS chip AT89C2051 is used in this system because there is only a small quantity of program to be stored. This system uses wireless transmission module D21DL to form the network of wireless transmission. In this way, such disadvantages as low removability and expansibility and longtime construction are avoided. Digital filtering method is applied to improve anti-jamming performance.

由于程序存储量较少，现场的CPU选用ATMEL公司的低档型芯片AT89C2051；为了避免采用有线数据传输导致的系统可移动性差、系统扩充性能差和系统布置线缆繁琐、施工周期长等缺点，本系统采用了无线数据传输模块D21DL构成系统无线网络传输；同时设计了包括电源电路、显示电路、存储电路和报警电路等构成系统的所有电路。

This paper mainly introduces the baseband transmission and the waveband transmission of digital communication system.

介绍了数字通信系统中信号的基带传输和频带传输；分别论述了基带传输系统和频带传输系统模型，说明了基带信号无码间干扰传输条件及频带数字调制的工作原理。

The systemic digital integration and transmission system can carry out real-time coordinating and remote transmission of the data of succor scene to achieve the requires of the ladderlike first-aid and the remote command under field condition.

系统的数据整合与传输功能实现救援现场数据的即时整理和远程传送，达到野战条件下阶梯救治和远程指挥的要求。

The establishment of more than 10 years, met with many world-renowned manufacturers with the industry has established close cooperation and technological exchanges and relations, the main products are: the United States and Tellabs production company Focus series SDH synchronous transmission systems and optical wave-division multiplexing Use optical transmission systems, France SEGAM the FMX series of PCM products in the domestic exclusive Newbridge Networks of Canada to introduce production technology and production lines produced by the PCM MainStreet 3630 Intelligent Terminal; Canada to introduce advanced SCADA system on its own Development of a national advanced level of 9700,9800 series of intelligent digital access equipment.

成立10多年来，先后与许多国际知名同行业厂商建立了密切的技术交流与合作关系，主要产品有：与美国Tellabs公司合作生产的Focus系列SDH光同步传输系统及密集波分复用光传输系统、法国SEGAM的FMX系列PCM产品；在国内独家引进加拿大新桥网络公司生产技术和生产线所生产的 MainStreet 3630智能化PCM 终端；引进加拿大先进的SCADA系统；自行研制的具有国内先进水平的9700、9800系列数字智能接入设备。

And we also succeed in inosculating the technic of multithreading、 multiple buffers、 windows socket、 IP multicast and RTP real time transmission by using Visual C++6.0 and MS Directshow SDK, and obtained a good result. At the same time, we carried on researching the robustness of this software. We made the research findings of digital video transmission based on network used in applications of banks, and got very good social effects and economic benefit.

本文主要在以下方面做了深入的工作： 1、结合数字视频监控应用的需求分析，对研究网络视频传输技术的意义做了阐述和分析，并就如何充分利用现有网络资源和成熟的多媒体计算机技术进行视频监控等领域的具体应用做了有益的探索； 2、对&数字视频的网络传输&应用中所涉及到的关键技术进行了深入的分析、比较，并进行了有机的融合。

A mathematical model of high-voltage short distance ring power transmission lines is developed and a multiple modules coupling model of this power transmission system fit for digital real-time simulation is further presented on the basis of known models of synchronous machine and composite load.

建立了高压短距离环形电力传输线的数学模型，并在已知同步发电机与综合负载模型的基础上，进一步提出了适合于该电力传输系统数字实时仿真的多模块耦合模型，同时给出了相应的数字积分方法。

This brought fixed cost, but it also is meant at the same time use a source to won't make you singlehanded assume a problem.

这带来了一定的成本，但它同时也意味着使用开源不会让你独力承担问题。

He gained a small fortune in real estate.

他在房地产上发了一笔小财。