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。
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。
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。
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；
By testing and adjusting the system again and again, we have the basic functions such as Adding, Storage, Transmission of the Data of Digital BOXCAR, and the basic sampling signal testing.
通过反复的测试与调整，我们已经实现了数字BOXCAR的基本叠加、存储和数据传送。
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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