接口速率

首先通过修改串行口驱动程序中的接口速率、改进接收流程、利用缓冲机制以及添加流控机制，充分利用了硬件的高速串行通信能力；

Firstly , we try to make best use of high-speed serial communication capability of the hardware through methods such as : modifying interface speed of serial port driver , improving the receiving flow ; utilizing the mechanism of buffer and adding the mechanism of flow control .

第二部分：对现有的USB驱动程序进行分析，找出接口速率传输瓶颈并对其优化。

Part 2 : Analysis existing USB driver to identify bottlenecks and optimise . 3 .

在深入分析以太网流量特性和SDH网络传输效率的基础上，本论文提出EOS接口速率选择和带宽分配、缓存分配策略及算法。

Based on the analysis of the characteristic of Ethernet data flow and the efficiency of SDH transmitting system , the port speed selection rules and the method of buffers assignment related with bandwidths are proposed .

针对传统微处理器平台中存在的接口速率瓶颈问题，提出采用基于SOPC技术的NIOS处理器来解决这个问题，实验证明该控制器在工业以太网中具有很好的应用价值。

This paper focus on the problem , the limits speed of interface , in the traditional micro processor , and promote the NIOS micro processor to solve this problem based on the SOPC . The application showed that the industrial Ethernet controller is valuable in the network control system .

通过硬件平台上的高速DDRSDRAM模块，可以提高FPGA数据端口的吞吐量，满足高速D/A转换器对其数字接口传输速率的要求。

Through the high speed DDR SDRAM module at the hardware platform , we may improve the throughput of FPGA digital interface to satisfy the requirement of the high speed D / A convector for transmission rate of digital interface .

选择合适的信号处理方法从脑电信号中提取用户的信息和命令，是改进脑计算机接口通讯速率的方法之一。

One of factors that influences brain computer interface ( BCI 's ) with high information transfer rates is selection of appropriate signal processing methods to extract the user 's messages and commands from electroencephalograph ( EEG ) .

后者可以满足一些对体积、接口或传输速率有着特殊要求的场合，如与ARM的接口问题。

The latter can meet a number of occasions with the special requirements of size , interface , transfer rate , such as problems of interface with the ARM .

对实时数据库进行接口和插入速率测试和对历史数据库进行查询测试，与SqlServer2000比，实时数据库速率快、占用资源少。

After insert rate test for real-time database and query test for historical database , the results show that real-time database and historical database have faster rate and less resource than SQL Server 2000 .

网络处理器（NPU）可以从任何入局通信接口以任何速率获取参考频率。

The NPU takes the reference frequency from any incoming traffic interface at any speed .

本芯片能够完成Ethernet和串行数据到光纤分插复用，保证实时业务的服务质量，高效利用外部SSRAM所能提供的最大带宽，保证系统能在接口达到峰值速率时稳定工作。

This chip realizes packet ADM functions for Ethernet and serial data , ensures the QoS of real-time services , gets a high bandwidth utility of outer SSRAM , so it can work stably even under the situations that all ports reach their peak rates .

这种总线具有速率高、实时性强、自动检错纠错能力强等优点，可以很好地解决传统接口方式的速率低等问题。

This bus has such advantages as high speed rate , real-time and self-correction capabilities , and can consequently well solve these problems as low speed rate etc in application of the conventional interface .

但是以前组建的一些专用网络或局域网，接口或传输速率已不能满足今天的要求，迫切需要解决这些网络的接口问题或者是重新进行组网设计以满足人们的要求。

But the interface and data rate of some of the special or local area nets , which were set in the past , already can not satisfy the demands today , therefore the problems existing must be resolved urgently .

传统的信号互连一般采用并行接口技术，信号速率一般不超过100Mbit/s。

Traditional signal interconnection usually adopts parallel port , the speed is less than 100Mbit / s generally .

支持多种接口、多种通信速率的选择。测试终端的设计主要采用在线可编程的数字系统设计方法，并配合相应的软件控制技术来实现。

A scenario of implementation of the testing terminal comprising in-system programmable digital design and software control is introduced in this paper .

本文设计的结果将为4.5米以内的计算机和其他标准视频设备的连接提供高速串行接口，其传输速率达到400Mbps。

This design shall provide the high-speed serial interface for the connecting of computer and some other standard video equipment within 4.5 meters , reaching a date rate of 400 Mbps .

目前，通信网的现状是光传输网与电交换网并存，两个网之间大量的光/电、电/光接口适配和速率匹配操作，降低了网络资源利用率和网络性能。

At present , the communication network consists of the optical transmission sub-network and electronic exchange sub-network . Between two sub-networks there are a lot of light / electricity , electricity / light interface adapter and rate-matching operation , reducing the network resource utilization and the network performance .