低速数据 meaning in English
low-speed data
lsd low speed data
Examples
- Specifications of tdm equipment operating on analog telephone - type circuit for telegraph and lower - speed data
在模拟电话电路上开放电报及低速数据的时分复用设备技术要求 - With the increasing of mobile phone users and high - speed asymmetrical data service , the second generation mobile communication system ( 2g ) which can only provide symmetrical speech service and low - speed data service ca n ' t meet demand
随着移动用户数量的迅猛增长，高速率非对称的ip型数据业务、多媒体业务的日益剧增，仅限于对称的语音业务和低速数据业务的第二代移动通信系统( gsm 、 is - 95cdma )频率资源越来越紧张，已不能满足需要。 - At meantime , the numerical results are presented the cdma system with gsc receiver and multi - traffic is analyzed . the multi - traffic system includes not only the single system interference but also the interference between data and voices , which limit the capacities of the system and cause the complexity of the power control . the system performance can be improved with gsc receiver
研究了多业务直扩系统的gsc接收机的性能，多业务系统与单业务系统相比，不仅包括了单业务系统相同的干扰，而且包括了高速数据与低速数据间的干扰，这不但增加了干扰，降低了系统的性能，而且对于采用何种功率控制也是一个较难的问题。 - Making use of the powerful capabilities of the pci chip , high - speed data of the dsp platform are transferred both ways at dma mode , and low speed data such as initialization and configuration information are transferred at direct slave mode . this paper shows in detail the workings of pci9054 , the configuration of its control register , and the writing of platform driver with api functions provided by the manufacturer
利用pci接口芯片的强大功能，本文提出了采用dma模式双向传输dsp平台的高速数据，采用从模式传输初始化信息及配置信息等低速数据，并详细介绍了pci9054的工作方式，控制寄存器的配置以及调用厂商提供的api函数编写平台驱动程序。 - With the development of the 3g wcdma digital cellular mobile communication technologies and quick increase of chinese mobile communication market ' s requirment to multi - media data service , mobile communication technology is developing from providing simple voice service 、 low speed data service to providing the combination of the voice service and the variable band - width multi - media data service . wcdma already has been a 3g communication standard in many country
随着3gwcdma数字蜂窝通信技术的发展以及中国移动通信市场对多媒体数据业务需求的迅速增长，移动通信技术正从提供简单的话音业务。低速数据业务向提供话音业务和可变带宽的多媒体数据业务相结合的方向发展， wcdma已经成为很多国家选用的第三代移动通信的标准。