Because of the ability to combat multipath interference and high spectral efficiency, OFDM has become the first choice of physical layer technology in future broadband wireless access systems.
OFDM技术以其良好的抗多径干扰能力和高频谱利用率成为未来宽带无线接入系统的首选物理层技术。
Audit network access control and secure remote access systems.
审计网络访问控制和安全远程访问系统。
Local Multipoint Distribution access system is representative of broadband wireless access systems.
本地多点分配接入系统是宽带无线接入系统的代表。
We introduce a hybrid radio network which consists of a backbone network and several access systems.
首先提出了一个未来网络的体系结构，即复合无线网，它由一个骨干网和几个接入网络组成。
The wireless local loop system is one of tbe access systems that have emerged these years, and has many advantages lacking in other cable systems.
无线本地环路系统是近年来兴起的接入系统之一，它具有许多有线系统所没有的优点。
The instant invention relates to transseptal access systems and methods for accessing the left atrium (52) from the right atrium (48) by crossing the interatrial septum (50).
本发明涉及用于通过经由心房中隔从右心房（48）进入左心房（52） 的经中隔进入的系统和方法。
The instant invention relates to transseptal access systems and methods for accessing the left atrium (52) from the right atrium (48) by crossing the interatrial septum (50).
本发明涉及用于通过经由心房中隔从右心房（48）进入左心房（52） 的经中隔进入的系统和方法。
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