Considering the inaccurate measurement of every electric parameter of local call cable and the characteristic of decaying with the high speed existing in the telephone network user s line cable, XL -01 xDSL subscriber line comprehensive tester have been developed.
针对现有电话网用户线电缆的高速率数字传输衰减特性和非加感市话电缆各项电参数的精确测量,研制了XL-01 xDSL线路综合测试仪,它能够在用户线中对其固有衰减、环路电阻、模拟通信质量和工作电容等参数进行准确测量,挑选出符合高比特率数字传输技术参数的芯线对,为应用固定电话网的资源实现综合业务数字网建设的广大工程技术人员提供了实用有效的测量工具。
Windows realizes the protecting function to kernel;user thread has no direct access to kernel buffer or no sharing buffer with kernel thread.
研究了实现Windows内核线程与用户线程之间共享缓冲区的方法,包括DeviceIoControl方式和存储器映射方式,给出了部分源代码,同时分析了应用时应注意的问题。
ISDN digital subscriber line ISDN
数字用户线,[港]ISDN数码用户线,[台]ISDN数字用户回路,ISDN数字用户线路
DSL (digital subscriber line)
数字用户线,[港]数码用户线路,[台]数字用户回路
Very-high-bit-rate Digital Subscriber Line
甚高位速数字用户线路(
automatic subscriber line testing equipment
用户线自动测试设备
symmetric digital subscriber line
对称数字用户线路(
Asymmetric Digital Subscriber Line
非对称数字用户线路
ADSL(Asymmetrical Digital Subscriber Line)
不对称数字用户线路
symmetric sigital subscriber line
对称数字用户线,[台]对称式数字用户回路,对称式数字用户线
Analysis on the application of switching wiring in the customer line network;
交接配线在用户线路网中的应用分析
International Association of Users of Private Sidings
国际专用线用户协会
Cellular telephone subscribers,Cable TV subscribers,Daily newspaper circulation
手机用户,有线电视用户,日报发行量
outdoor plasticinsulated flexible copper wire
户外用铜芯塑料软线
calling party release
主叫用户单方话终拆线
ADSL (Asymmetrical Digital Subscriber Loop)
非对称数字用户环线
The cable television users reached 96.38 million.
全国有线电视用户9638万户。
China has 79.2 million users of cable television, ranking first in the world.
全国有线电视用户７９２０万户，成为世界上有线电视用户最多的国家。
"Well, can the mobile phone users communicate with any fixed network user?"
移动电话用户能与有线网络的用户通话吗?
Research of User and Antenna Selection Technique for Multiuser MIMO Systems;
多用户MIMO系统中用户和天线选择的研究