传输

CH10,CH12 and CH15 materlals,which show lower disaccommodation and higher stbility over a wide range of temperatures, can be applied in the ADSL technology of internet telecolnmunication System,Which can greatly increase transmission velocity and distance and reduce THD of signals

CH10、CH12、CH15材料还具有宽温、低减落、高稳定性特征，用于网络通信系统ADSL技术，可大大提高传输速度和传输距离，减少信号的谐波失真THD。

The Endura Wireless System from Pelco of Clovis, California, was designed for the harsh demands of outdoor surveillance applications.

Pelco公司（位于加利福尼亚州的克洛维斯）的Endura传输系统，专为应用环境恶劣的户外监控装置设计，由EW5301T无线编码器组成，将编码和无线传输结合为一个单元。

In the hardware design of acquisition system,PCI excusive chip,CPLD and buffer memory are adapted to achieve DMA transfer between computer and peripheral with steady-going transmission speed of 50MB/S.

在数据采集卡硬件电路设计中，采用了&PCI专用接口芯片+CPLD+缓存&模式，实现了计算机与外设间的DMA方式传输，数据传输率可稳定在50MB/S。

GARUDA: GARUDA [88] is a reliable downstream data delivery transport protocol for WSNs.

garuda：garuda[88]是一个可靠的无线传感器网络下行数据传输的传输协议。

The system is hammerless, high efficiency and exactly. Also the system has a USB module, it can transmit the datas to the computer batch by batch.

此外，系统外围设计了USB传输模块，可以将采集到的数据批量传输并保存到PC机中。

The prototype has achieved Long-distance power supply by data bus, IEC61158-2 transmission technology and essential function of PROFIBUS-DP and can be connected to DP fieldbus system for transparent communication between the two sort of feildbus segment by DP/PA coupler and can be communicated with the DP master inerrably and continuously according to the primary PROFIBUS-DP communication protocol and process realization of state machine.

论文取得的主要成果包括：在国内目前允许的技术条件下，找到了一个PA产品开发的可行性方案，设计出能够通过数据总线进行远程供电PA原理型样机，实现了IEC61158-2传输技术以及PROFIBUS-DP基本功能，能够通过DP/PA耦合器将样机接入DP总线系统实现两类总线段间的透明传输，并按照状态机过程实现与主站的连续正确通信。

Firstly, based on the principle of jointless track circuit and the transmission of four-terminal network, parameter models of rail line and cable was established, and their frequency characteristics were analyzed.

首先，本文在简要介绍无绝缘轨道电路工作原理和四端网传输原理的基础上，建立钢轨线路和传输电缆的参数模型，并分析其频率特性。

During the design of VXI-bus Serial Controller Module, the functions of VXI-bus including time-sequence for VXI interface, resource management, interrupt process, bus arbitration, are accomplished. To advance the performance and stability, the FPGA technic is used to implement the kerneled code including serial bus time-sequence switching to VXI interface time-sequence, the UART, the Parameterized Baud Generator and"Pipeling frame". The handle type of Data Transfer Bus for VXI-bus is researched thoroughly, and the format of serial data transfer is designed.

在VXI总线串行控制器设计中，实现了VXI总线控制器的基本功能，包括VXI总线接口时序、总线仲裁、超时处理等；同时利用先进的FPGA技术实现了串行总线时序向VXI总线时序的转换、通用异步收发器、参数化波特率发生器、流水线结构等功能模块；在设计中还深入研究了VXI总线数据传输的各种操作类型，制定了串行数据传输的编码格式。

The protocol conversion is accomplished synchronously in the data transmission process. The invention has high efficiency and leapingly data transmitting speed compared to software realization.

在数据传输的过程中同时完成协议的转换、纠错，与软件实现相比，本发明的效率更高，传输速度有质的飞跃。

As communicating madia is power line ,which needn't the extra line , and not take in the existing frepuncy resource.In the power system ,the power line is using steadily and reliable high press power line as the signal's trans madia,which may save a great deal of the building investment,in additional to the route is suitble ,scurity and may reuse the far away mobile signal ,of which makes this power system develop a particular communicating way ,while in number micro-wave,one point more address,optical fiber,super-high frequency repeatly renew today ,which also last developing.

由于电力线载波在电力系统中使用坚固可靠的高压电力线作为信号的传输媒介，可节省大量的通道建设投资，再加上电力线载波信息传输稳定可靠，路由合理，安全保密以及能够同时复用远动信号等特点，使得这种电力系统独有的通信方式在数字微波，一点多址，光纤，特高频等通信方式相继出现的今天仍得到持续的发展。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。