Modulation technique is very meaningful for the digital data transmission efficiency.
调制技术对数据传输效率有重要的意义。
Because of its convenient, flexible and of low cost, the voice band modem is widely adopted in digital data transmission, especially in access-loop.
采用话带调制解调器进行数据信息传输，特别是在接入环路中，具有价格低、方便、灵活的优点，是目前广为人们采用的一种数据传输方式。
By the late 20th century the telegraph had been replaced in most applications in developed countries by digital data transmission systems Based on computer technology.
20世纪晚期，在发达国家中，电报的大部分应用已被用计算机技术的数字数据传输系统取代。
Finally, digital service also provides flexibility in the transmission of voice, data, video, and other services with equal ease.
最后，数字业务可同样方便地传输声音、数据、视频和其他业务，因而提供了灵活性。
The cellular digital packet data (CDPD) is a system which borrows idle radio channels from the existing cellular mobile telephone networks for packet data transmission.
蜂窝数字分组数据(CDPD)是利用现有的模拟蜂窝电话网来传输数据的一种新技术。
A functional unit that modulates and demodulates signals. One of the functions of a modem is to enable digital data to be transmitted over analog transmission facilities.
一种对信号进行调制与解调的功能部件，调制解调器的功能之一就是使数字数据经由模拟传输设施进行传送。
The key of data communication is transmission of digital signal.
数字信号的传输是数据通信的关键。
DICOM mainly includes the definitions of data structure and transmission specification of digital medical imaging.
DICOM标准主要包括数字化医学影像的数据结构和传输规范的定义。
Digital media network is the one which adopts the unidirectional broadcast as the main data transmission form.
数字媒体网络是以单向广播网络为主要数据传输形式的网络。
However, the currently rapid development of digital signal processing and Internet transmission techniques have threatened the copyright of digital data severely.
然而当前数字信号处置和盘算机网络传输技术的迅猛发铺却使数据的版权维护面临严峻的挑战。
With computer data transmission RS485 interface, can realize the management of digital information.
具有与计算机进行数据传输的RS485接口，可实现数字化信息管理。
It is common to utilize some line in digital signal transmission but less common to utilize single chip computer technology and multimedia comprehensively in data transmission.
当前较常见的是单独借用某一种线路进行数字信号传输，而利用单片机技术综合运用多介质进行数据传输尚不多见。
The current situation of data transmission and the application of IP transfer technique for Guangzhou Digital Seismic Station have been reviewed.
概述广州数字地震台数据传输的现状和IP传输技术的应用。
More digital cameras, broader bandwidth of image and data transmission, higher speed of image processing, and more advanced algorithms of image processing will be introduced and applied more widely.
更多的数字摄像机、更宽的图像数据传输带宽、更高的图像处理速度、以及更先进的图像处理算法将会推出，并将会得到更广泛的应用。
However, the digital speech needs much higher code rate than analogue signals resulting in high pressure on data transmission.
语音数字化以后，码率大幅度上升，给系统的数据传输造成了很大的压力，因此进行语音压缩编码是非常必要的。
DICOM is a standard for data format and transmission of digital medical image.
DICOM是在医学数字图像的数据格式和传输方式的工业标准。
Different data transmission mode can be selected according to specific needs. And signal transmission of digital sensor is realized with high-speed and in real-time.
并可根据具体需要，选择不同的数据传输方式，实现数字传感器信号高速、实时传输。
With the stepping into the digital era, there exists an increasing demand for data transmission rate by Ethernet.
随着数字化时代的到来，人们对以太网的数据传输率要求不断提高。
Real-time data acquisition and high-speed data transmission becomes one of the key digital equipment links in various fields.
实时数据采集与高速数据传输成为各领域内数字化装备的关键环节之一。
Divided according to the functions, the hardware of the submersible buoy digital acquisition and storage system is mainly composed of three parts: signal acquisition, data storage, data transmission.
潜标数字处理系统的硬件部分按功能划分主要包括三个部分：信号采集，数据存储和数据传输。
Digital video capture, data compression and network transmission were realized.
实现了数字视频图像的采集、压缩及网络传输。
Methods an ARM embedded system was used to achieve data transmission by implementing serial communication with GPS module, Beidou receiver and wireless digital broadcasting station.
方法：采用ARM嵌入式系统，并与G PS模块、北斗接收机和数传电台进行串口通信，实现数据的传输。
Industry data can be two-way wireless modem to transmit digital, analog, serial and can data transmission distance can reach 300m.
工业的数据无线调制解调器可以双向传输数字、模拟、串行和CAN数据，传输距离可达到300m。
Very high data bandwidth and valid transmission distance and right trigger mode were demanded in real-time and high-speed digital camera data transmission channel.
在实时处理高速数字摄像机的数字视频信号时，通常要求数据传输通道具有很高的带宽和有效的传输距离以及正确的外部触发控制。
The wireless data transmission system which is composed of wireless data transmission device nRF24L01 and high-precision 1-Wire bus digital temperature sensor DS18B20, is introduced in this paper.
介绍一种由nRF24L01型无线数据传输器和高精度的单总线数字温度传感器DS18B20组成的无线数据传输系统；详细阐述该系统的硬件和软件设计要点；
Thanks to the LVDS transmission technology, it is applied to digital-imaging data transmission because of its high reliability, less wires and facile hardware.
由于具有可靠性高，传输线缆少，硬件简单等优势，结合抗干扰的LVDS传输线技术，近年来在数字成像系统中被用来传输图像数据。
VOIP solutions use a digital signal processor (DSP) to process the voice data, preparing the voice sample for transmission by compressing voice and removing jitter.
处理话音数据，通过压缩话音和去除抖动来制造供传输用的话音取样。
A new kind of electronic and mechanical antitheft lock using digital code based on the technologies of PIC single-chip microcomputer, serial communication and wireless data transmission is introduced.
本文介绍了基于PIC单片机、串行通信技术和无线数据传输的新型数码防盗电子机械锁的设计。
Both transmission device and switching device are entirely digital, it's easily to control system and search data with multimedia computer which could reduce cost and improve performance.
采用了全数字化的传输和交换设备，利用多媒体计算机进行监控和辅助检索。使得成本降低，效率提高。
Both transmission device and switching device are entirely digital, it's easily to control system and search data with multimedia computer which could reduce cost and improve performance.
采用了全数字化的传输和交换设备，利用多媒体计算机进行监控和辅助检索。使得成本降低，效率提高。
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