The upstream multiple access control is a key problem in the passive optical networks (PONs).
上行方向的多址接入控制是无源光纤网(PON)中的一个关键问题。
This paper presents a multiple access control protocol (PPBMA) for wireless cellular network, which is based on packet priority, and ISDN services can be easily implemented.
为了在无线蜂窝网中实现综合业务，本文提出了基于分组优先级的多址接入控制协议(PPBMA)，该协议能有效地实现综合业务在无线蜂窝网中的传输。
In this paper, we propose a new multiple access control (MAC) protocol for underwater acoustic Ad hoc networks, namely, the parallel transmission multiple access (PTMA) protocol.
本文中，我们为此提出了一种新的多址接入控制(MAC)协议，即并行传输多址接入(PTMA)协议。
Locking is the mechanism that the database manager USES to control concurrent access to data in the database by multiple applications.
锁定是数据库管理器用来控制多个应用程序并发访问数据库中数据的机制。
Figure 7: Access control for RAM can be configured to allow the same user to have multiple roles across multiple communities with varying permissions and constraints.
图7：可以将RAM的访问控制配置为，允许同一个用户在多个社区中扮演拥有各不相同的权限和约束的多个角色。
This level of access control provides additional administrative control, especially useful for supporting multiple organizations.
这种级别的访问控制提供了额外的管理控制、特别适合支持多个组织。
This approach obviously offers more precise control than the simple password-based authentication shown earlier, and is recommended for applications that require multiple levels of access control.
这种方法显然比前面显示的基于密码的方法提供更加精确的访问，并且推荐需要多级访问控制的应用程序使用该方法。
Multiple security realms can be defined in Gluecode Standard Edition to authenticate and authorize users by providing a set of principals for access control.
在Gluecode标准版中可以定义多个安全域，然后通过提供一套访问控制主体，对用户进行身份验证和授权。
If you need multiple threads to access such a module, you can use semaphores and lots of programming discipline to control access to it.
如果一定要使用一个非线程安全的模块，可以通过只使用一个，或只在一个线程中使用来保护。
The use of the multiple functions of switch in access-control can realize the distribution security system, and implement the security management for the network and the users.
利用中心交换机的多种访问控制功能，可构建一个分布式的网络安全交换体系，以实现对网络和用户接入的安全管理。
There exist multiple administrative domain problems based on RBAC in grid computing, the paper gives the RBAC standard extension in grid and sets up access control model in grid.
在网格计算中访问控制存在着多个管理域rBAC问题，给出了网格中的标准RBAC扩展，并以此建立了的网格访问控制模型。
Power control is a key technique in CDMA cellular mobile communication systems. It can combat near far effect, reduce multiple access interference and improve the system capacity.
功率控制技术是CD MA系统克服“远—近效应”，降低多址干扰、增大系统容量的一项关键技术。
An Internet network control device, which could be a separate router or switch, is typically used between the SS7 network and multiple net access switches.
因特网的网络控制装置(可以是一个分开的路由器或交换机)，一般都用于七号信令网络和多个网络接入交换机之间。
A downlink admission control (ac) algorithm is proposed in code division multiple access (CDMA) systems, that is based on multi-cell transmitted power raised estimation.
提出了一种在码分多址(CDMA)系统中，基于多小区功率增长估计的下行接纳控制(AC)算法。
An adaptive congestion control algorithm in code division multiple access (CDMA) systems from the aspect of reducing cost is proposed.
从降低开销的角度出发，提出了一种自适应的码分多址(CDMA)系统拥塞控制算法。
This paper takes heading multiple area automatic commerce system (HDPOS5) for example, applied the improved base on position and role access control model to system, ensure the security of the system.
本文以海鼎多业态商业自动化系统(HDPOS5)为例，将改进的基于岗位与角色的访问控制模型应用到该系统中，更好的保证了系统的安全性。
In wireless optical code multiple access (W-OCDMA) network, Media access Control (MAC) is a key issue, which determines network performance, bandwidth efficiency, complexity and cost of terminal.
无线光码分多址(W -OCDMA)接入网中，数据链路层的媒质接入控制技术(MAC)至关重要，它直接影响网络的性能、带宽利用效率、终端设备的复杂度和成本。
The feasibility criterion of power control in interference-limited direct sequence code division multiple access (DS-CDMA) systems is investigated.
研究了直接扩频码分多址(DS - CDMA)干扰受限系统的功率分配的可行性问题。
Power control and multiuser detection are two ways to cope with the multiple access interference (MAI) and near-far effect.
功率控制和多用户检测是CD MA移动通信系统中克服远近效应、抑制多址干扰(MAI)的两项关键技术。
Locks in the series offer many kinds of keyless access control, including PIN, proximity, or dual-credential access with the option of single or multiple access codes.
该系列锁提供各类无键门禁，包括密码，感应器或带有单个或多个密码选择的双证门禁。
The system implementation for multiple face tracking can be widely used among the various security systems, such as: ATM machine monitoring system, access control system.
这套系统完成了对多人脸的跟踪效果，可广泛的应用于各种安防系统之中如：atm机监控系统，门禁系统等。
The system implementation for multiple face tracking can be widely used among the various security systems, such as: ATM machine monitoring system, access control system.
这套系统完成了对多人脸的跟踪效果，可广泛的应用于各种安防系统之中如：atm机监控系统，门禁系统等。
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