文章还介绍了系统的整体结构，针对系统的物理层节点构成、MAC层协议给出了具体的设计方法。
The whole structure of the system was also introduced and the design method of node composing of physical layer and MAC layer protocol were given.
这是否意味着我们对系统工程学的方法——其要求逻辑层和物理层分离——有缺陷呢？
Does this mean that our approach to systems engineering — which calls for the separation of logical and physical perspectives — is flawed?
在EDA内部，您可以跨soa的各个分段(包括物理层和架构的虚拟层)传输事件，这样系统可以有效地作出响应。
Within an EDA, you can transmit events across all segments of an SOA, including physical tiers and an architecture's virtual layers, so that systems respond and act effectively.
在第一次设置系统时，对于磁盘的配置，可以从最底层(物理层)开始，然后是设备层、逻辑卷、文件系统、文件和应用程序。
When first setting up your systems, start from the bottom (the physical layer) as you configure your disk, the device layer, its logical volumes, file systems, and the files and application.
采用物理层技术设计的系统通常依赖于驻留在架构不同层次上的可变对象。
Systems designed with physical level technologies usually rely on mutable objects residing at various levels of an architecture.
与逻辑层系统的灵活性相比，物理层的面向对象的系统显得有些脆弱。
When compared to the flexibility of a logical system, physical level object-oriented systems appear brittle.
本文在3gpp物理层协议的基础上，首先对第三代移动通信WCDMA系统中独特的信道编码复用方案进行了深入的分析和研究。
In this paper, an in-depth analysis on the channel coding and multiplexing of WCDMA is presented on the base of 3gpp physical protocol firstly.
传统方法只能分析系统中的单一低速总线，分别观测物理层信号和数据层数据进行分析。
Traditional analysis tools only cover the single low speed bus and test signals in physical layer and data layer respectively.
对基于SCDMA接入方案的H FC上下行通信系统的发送机进行了功能仿真，为H FC接入网上行信道物理层的硬件实现创造了有利条件。
The function model of HFC communication system sender based on SCDMA is constructed in this paper, The modules of communication system can be simulated approaching the behavior of the hardware.
电力行业物流信息平台的系统架构被划分为五层结构，即物理层、集成层、数据层、功能层和界面层。
The logistics information platform structure is divided into five layers including the physical layer, the integrated layer, the data layer, the function layer and the interface layer.
该算法已成功应用于由自主开发的物理层和MAC层芯片组成的HDTV(高清晰度电视)双向系统平台。
The algorithm has been successfully applied to the bidirectional system platform for HDTV (High Definition Television), which consists of PHY chip and MAC chip developed in authors lab.
但在一些以小型手持设备为终端的自组网应用系统中物理层无法提供载波感知。
But the physics layer of some small hand-hold equipments can not provide carrier sense.
像ISDN和dsl,HSSI运营网络的物理层，使用标准的开放系统互连(osi)模型。
Like ISDN and DSL, HSSI operates at the physical layer of a network, using the standard Open Systems Interconnection (OSI) model.
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。
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.
通过硬件基本功能测试、物理层功能仿真验证以及模拟业务试验，证实了REPON系统可以稳定且可靠的运行，且其物理层光纤链路上的收发误码率在10-9以下。
The experimentation results show that this REPON hardware system can provide a stable and reliable performance, e. g. the bit error rate of its physical fiber link is less than 10 -9.
在系统同步后，移动台通过物理层特征标识连接的小区，并执行到系统的初始接入。
After system synchronization, the mobile stations identify the connected cell through a physical layer characteristic, and perform initial access to the system.
LTE的设计指标、系统架构和目前的3g系统相比，发生了很大的变化，特别是物理层的技术。
LTE's design requirements and system architecture have changed a lot compared with the current 3g system, especially for physical layer.
作为宽带无线通信系统的代表，802.16E系统采用了OFDM技术作为其物理层基础。
The 802.16e standard, representative of broadBand wireless system, chooses OFDM as its PHY layer framework.
物理层定义了在端系统之间为了建立、维持和撤消物理链路所需的电气的、机械的、过程的和功能的特征。
The physical layer defines the electrical, mechanical, procedural, and functional specifications for activating, maintaining, and deactivating the physical link between end systems.
在第一次设置您的系统时，对于磁盘的配置，可以从底层(物理层)开始，然后是设备层、逻辑卷、文件系统、文件和应用程序。
When first setting up your systems, start from the bottom (the physical layer) as you configure your disk, the device layer, its logical volumes, file systems, and the files and application.
本论文对MIMO - OFDM系统物理层的若干关键理论和技术进行了深入研究，包括：信道估计、专用导频设计等问题。
This dissertation focused on MIMO-OFDM system and made a thorough research on the key theories and technologies including channel estimation and dedicated reference signal design.
系统安全设计从「物理层」 、 「系统层」 、 「数据层」三个方面对数据的安全性进行了控制。
System safety design controls safety of datum from three aspects, " physics level ", " system level " and " data level "
最后论文结合实际的物理层传输控制机制，设计了一套完整的LTE系统小区初始搜索方案。
Finally, taking the practical physical layer transmission control mechanism into account, a solution is proposed to the whole architecture for the cell initial search in a LTE system receiver.
文中首先介绍了宽带无线接入系统的组成以及IEEE802.16参考模型，描述了IEEE802.16协议规定的物理层及其编码方案。
This thesis introduces the framework of broadband wireless access (BWA) system, and describes the coding scheme of PHY in IEEE802.16.
对开放式数控系统进行层次模块化设计：物理层、软件层设计。介绍了CJK6 132A车床闭环数控系统的特点及开放性。
The physic layer and the software layer of the open NC system's layering and modeling design, the characteristic and the open characteristic of CJK6132A lathe Close loop NC system are introduced.
对开放式数控系统进行层次模块化设计：物理层、软件层设计。介绍了CJK6 132A车床闭环数控系统的特点及开放性。
The physic layer and the software layer of the open NC system's layering and modeling design, the characteristic and the open characteristic of CJK6132A lathe Close loop NC system are introduced.
应用推荐