数据帧

基于FPGA的数据帧传输接口设计

Design for data frame transmission interface based on FPGA

OFDM调制信号数据帧信号形式及其动态仿真

Data Frame Waveform of OFDM Modulation Signal with Simulation Results

基于CPLD宽带移动通信系统数据帧的实现

Realization of Data Frame Based on CPLD Broadband Mobile Communication System

文中重点介绍了Ethernet网数据帧的截取和转发。

In the paper , we introduce the frame interception and transmission in Ethernet net .

在Turbo码数据帧中插入循环码实现纠错

Correcting Errors in the Data Frame of Turbo Code Using Cyclic Code

一种基于GPRS的自定义数据帧传输系统的设计

The design of a kind of data frame transmission system based on GPRS

阀芯位移测试系统控制器程序设计，实现了测试模式选择、数据帧接收、PWM信号发送以及结果显示等功能。

MCU of spool displacement testing system receive date , output signal and show the result .

同时，在PC机上用Visualc++6.0编写了一个数据帧接收程序，完成了PC机与单片机间的通信。

A program which receives data frame on PC is written in visual C + + language , and it completes the communication between PC and MCU .

研究了利用CRC校验对无线局域网MAC层数据帧进行纠错的算法。

The error correction algorithm by using Cyclic Redundancy Check ( CRC ) in WLAN is investigated .

通过智能现场通信器中PID控制功能单元来完成对现场设备的控制功能，其控制参数通过HART数据帧传送给现场设备，从而保证现场设备始终处于正常的工作状态。

The PID parameters is transmitted to field equipments by HART data frames to make the systems work smoothly .

向量的多个变种提供了另外的能力，比如（多维）数组（arrays）、数据帧（dataframes）、（不同种类的）列表（lists），以及矩阵（matrices）。

A number of variants on vectors add capabilities such as ( multi-dimensional ) arrays , data frames ,( heterogeneous ) lists , and matrices .

信息发送主机向以太网目的机发送含目的机IP的数据帧，将得到目的机回复的mac。

The host computer sends data frames including the IP address of objective computer to objective computer of the Ethernet , and receives MAC address from the objective computer .

在标准以太网帧和IP分组的基础上，本文设计了OBS的突发数据帧和突发控制帧的结构。

Both the framework of burst data packet and burst control packet are devised based on the standard structure of the Ethernet frame and IP frame .

对SOE事件的解析和记录，对发送接收的时间、发送失败的数据帧等作了记录；

Analysis and record of SOE which includes the time of sending and receiving data , and failing data frames ;

我们用来寻找相邻点之间的差异的技巧是，创建一个数据帧，它的列是给定连续数据点，分别是先前数据点（prior）、当前数据点（current）、后继数据点（following）。

The trick we will use to find all the differences among neighboring data points is to create a data frame whose columns in a given row correspond to the prior , current , and following data point .

基于802.11a突发数据帧结构，分析了突发分组传输中OFDM同步算法的性能；

Based on the frame structure of 802.11a , this paper analyzes the performances of synchronization methods for OFDM in burst packet transmission .

采用MODBUS／TCP应用层协议，设计了通信数据帧的格式，最终实现了监测仪与上位机之间的有效通信。

Using MODBUS / TCP application layer protocol , this chapter designed the format of data frame , and the communication between monitoring instrument and upper computer was realized .

论文的另一重点在于实现统一的网络通信协议，包括网络接口层的以太网数据帧接收协议、IP层的数据转发网络协议、TCP层的可靠流式数据报传输协议以及应用层HTTP数据处理协议。

Realizing the uniform net communication protocol is the other emphases in this thesis . , which includes Ethernet frame R & T protocol , net protocol , credible transmission protocol and HTTP data dispose protocol .

分析了不同译码算法、迭代次数以及数据帧长等参数对Turbo均衡系统性能的影响并得出有利于系统参数选择的结论。

After that , the effect to Turbo equalization system , caused by several parameters such as different decoding algorithms , number of iteration , data frame , is analyzed and conclusions are made .

运用MMSEthereal软件对本合并单元发送的数据帧进行捕获和分析，结果表明该合并单元具有较高的灵活性和较强的实用价值。

The data frames were captured and analyzed by MMS ethereal software , and the results demonstrate the merging unit has high flexibility and utility value .

DMA控制器用于在收发接口单元和外部SRAM直接传输网络数据帧而不需要嵌入式MCU的直接控制，这样可以减少微控制器的负担。

DMA controller was used to transfer network data frame directly between the TRI and exterior SRAM without the interposition of embedded MCU . It can reduce the burden of MCU .

根据改进后的数据帧前导结构和同步估计算法，作者设计并实现了基于突发分组传输的OFDM同步模块，并完成OFDM中频收发系统的调试。

According to the improved method above , a real OFDM synchronization module is designed and realized based on burst packet transmission . This dissertation puts forward a general type of OFDM synchronization structure based on FPGA .

本文设计了在基于以太网数据帧格式的PON中实现时间标签测距和环路延时补偿以及ONU上行发送窗口的控制功能的方案。

It puts forward an Ethernet frame based design of time stamp ranging and RTT compensate , as well as the uplink transmission window control .

介绍上位机与欧姆龙V600系列RFID控制器串行通信连接方式、通信命令和通信数据帧格式。

The communication link way , communication commands and communication data structure between host computer and OMRON V600 Series RFID controller are introduced .

为了可以在串行线路上运行TCP/IP协议栈，又介绍了针对串行线路的具有IP分组的标准封装格式的SLIP协议，除了介绍SLIP协议的数据帧格式之外，还指出了SLIP协议的缺陷。

To run TCP / IP protocol stack over serial links , the paper imports the concept of SLIP which can encapsulate standard IP packet over serial link . Meanwhile , the paper also points out several limitations of the SLIP .

一旦连接建立，WebSocket数据帧就可以以全双工的模式在客户端和服务器之间来回传输。

Once established , WebSocket data frames can be sent back and forth between the client and the server in full-duplex mode .

本文提出了一种适合水下环境中通信网使用的TDMA方案，该方案通过TDMA数据帧的交错布置减少信道的闲置时间，提高网络效率。

A time domain multiple access ( TDMA ) protocol used for underwater acoustic channel which improves the network efficiency by interleaving the data frame at the physical level is presented .

对802.11a突发数据帧中的短训练符号结构作了改进，给出了相应的时频域估计算法；

It also improves the structure of short training symbols in the frame of 802.11a and gives the corresponding timing and frequency offset estimation method .

在此基础上提出了从Iub接口FP协议数据帧中得到Uu接口协议栈数据，实现信令监测的一种算法。

Then , on the basis of it , the algorithm for getting Uu data from FP data frames of Iub interface and implementing signalling monitoring is proposed .

采用数据帧时延（FD）作为分组时延过大引起的数据包丢失率的判断标准，即使整体的数据包丢失率比较高，只要FD满足我们的要求，TCP发送窗口仍然保证不变。

Adaptive TCP involves frame delay ( FD ) as the criterion to judge the packet loss . TCP transmitting window is fixed as long as the FD satisfy our criterion , even though packet loss is high .