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Description: 截包的需求一般来自于过滤、转换协议、截取报文分析等。 过滤型的应用比较多，典型为包过滤型防火墙。 转换协议的应用局限于一些特定环境。比如第三方开发网络协议软件，不能够与原有操作系统软件融合，只好采取“嵌入协议栈的块”（BITS）方式实施。比如IPSEC在Windows上的第三方实现，无法和操作系统厂商提供的IP软件融合，只好实现在IP层与链路层之间，作为协议栈的一层来实现。第三方PPPOE软件也是通过这种方式实现。 截取包用于分析的目的，用“抓包”描述更恰当一些，“截包”一般表示有截断的能力，“抓包”只需要能够获取即可。实现上一般作为协议层实现。 本文所说的“应用层截包”特指在驱动程序中截包，然后送到应用层处理的工作模式-cut the demand for general packet from the filter, change the agreement, reported the interception of text analysis. Filter - type applications are more typical for packet filtering firewall. The conversion agreement was limited to a specific application environment. For example, third-party development of network protocol software, not the original operating system software integration, they take "embedded protocol stack block" (BITS) implementation. For instance, IPSEC on Windows third-party realized, unable and operating system vendors to provide IP software integration, but to achieve the IP layer and link layer between as the layer protocol stack to achieve. PPPOE third-party software is achieving in this way. Packet interception for the purpose of analysis, "capturing
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Size: 564302 |
Author: 叶红 |
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Description: 超宽带系统链路matlab仿真程序
超宽带系统简单仿真平台，有简单界面.包括可替换的脉冲成型（半余弦脉冲）、IEEE802.15.3a的修正SV信道、最大似然信道估计、Rake接收机等模块，可以实现monte carlo仿真求误码率。可添加多址接入、编码等功能（维特比编解码、帧同步的程序由本人同学编写）。入口主程序uwbsim.m
编解码程序：bin2deci.m；bini2deci.m；deci2bin.m VITRBI.m
信道及信道估计：ch_est.m；channel.m；channelgenerator.m；conv_m. m；sigfold.m UWB_SV_channel.m uwb_sv_cnvrt_ct.m uwb_sv_eval_ct.m uwb_sv_model_ct.m uwb_sv_params.m
Rake接收机：findpeak.m；MRC_combine.m；MRC_Rake.m；n_upsample.m；selectpath.m
其他：cnv_encd.m；dssignal.m；Eb_halfcos.m；waveshape.m；halfcos_generator.m；metric.m；nxt_stat.m；sim_main.m；spreadgren.m；test_code.m；training_ds.m；uwbsim.m；vit_test.m-UWB system links Matlab simulation program UWB simple system simulation platform, A simple interface. including replacement of the pulse shaping (semi-cosine pulse). IEEE802.15.3a amendment SV Channel, the greatest likelihood channel estimation, the Rake receiver modules. can be achieved monte carlo simulation for BER. They can add multiple access, coding, and other functions (Viterbi codec, frame synchronization procedures prepared by my classmates). Edit the entrance uwbsim.m codecs : bin2deci.m; bini2deci.m; deci2bin.m VITRBI.m Channel and Channel Estimation : ch_est.m; channel.m; channelgenerator.m; conv_m. m; sigfold.m UWB_SV_channel.m uwb_sv_cnvrt_ct . m uwb_sv_eval_ct.m uwb_sv_model_ct.m uwb_s v_params.m Rake : findpeak.m; MRC_combine.m; MRC_Rake.m; n_upsample.m; selectpath.m Other
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Size: 31196 |
Author: le302a |
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Description: MIMO多径瑞利信道下的迫零+串行干扰抵消+自适应功率分配预编码算法仿真链路（simulink+m files）-Rayleigh MIMO multi-path channel under the zero forcing serial interference cancellation adaptive power distribution pre-coding algorithm simulation Chains (Simulink m files)
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Size: 20203 |
Author: 徐 |
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Description: 完整的CDMA各种参数的仿真，包括上行链路的BER，多径干扰下的BER，多径下用户数目的BER等-integrity of the CDMA simulation of various parameters, including the uplink BER, multi-path interference under the BER, Drive over the next number of users, such as BER
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Size: 16378 |
Author: 于蕾 |
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Description: PPP挑战握手认证协议(CHAP)，PPP【1】提供了点到点链路传输多协议数据报的标准方法。
在PPP中也定义了一种可扩展的LCP，允许协商认证协议，从而可以在进行网络层
协议传输之前对对端进行认证。
本文定义了一种PPP认证方法，该方法利用随机“挑战”和依据“挑战”和密钥
计算出的加密哈希“应答”来完成认证。
-PPP Challenge Handshake Authentication Protocol (CHAP), PPP [1] provides a point-to-point link multi-protocol data transmission of standard methods. In PPP also defines a scalable LCP to allow consultations authentication protocol, thereby conducting transmission network layer protocol before the end-to-end authentication. This paper defines a PPP authentication methods, The method using random "challenge" and the basis for "challenge" and calculated key encryption Hash "responsive" to complete certification.
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Size: 15424 |
Author: wangwen |
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Description: 本标准规定了多功能电能表与手持单元（HHU）或其他数据终端设备之间的物理连接、通信链路及
应用技术规范.
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Size: 883270 |
Author: mc_77@sina.com |
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Description: 完整的CDMA各种参数的仿真，包括上行链路的BER，多径干扰下的BER，多径下用户数目的BER等-integrity of the CDMA simulation of various parameters, including the uplink BER, multi-path interference under the BER, Drive over the next number of users, such as BER
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Size: 16384 |
Author: 于蕾 |
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Description: rake接收机的链路生成程序，包括短码生成，长码生成，哈达码变换，瑞利信道，以及多径衰落等。-rake receiver of the link generated procedures, including short-code generation, long-code generation, Hadamard transform, Rayleigh channel, as well as multipath fading and so on.
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Size: 2048 |
Author: 王波 |
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Description: CDMA中传统多用户检测和MMSE多用户检测比较（前向和反向链路）-CDMA traditional MMSE multi-user detection and multi-user detection comparison (forward and reverse link)
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Size: 131072 |
Author: 孔政敏 |
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Description: 此程序为DS-CDMA链路中加入基于子空间的PASTd多用户检测方法。系统中采用m序列阔频，可以通过高斯信道或瑞利信道。可以直接运行得到不同信噪比下的误码率曲线。-This procedure for the DS-CDMA link by adding space-based sub-PASTd multi-user detection methods. System m sequence used in wide-band, you can channel through the Gaussian or Rayleigh channel. Can be directly run different SNR BER curves.
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Size: 201728 |
Author: 王星 |
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Description: 此程序为DS-CDMA链路中加入基于子空间的PAST多用户检测方法。系统中采用m序列阔频，可以通过高斯信道或瑞利信道。可以直接运行得到不同信噪比下的误码率曲线。-This procedure for the DS-CDMA link by adding the PAST subspace-based multi-user detection methods. System m sequence used in wide-band, you can channel through the Gaussian or Rayleigh channel. Can be directly run different SNR BER curves.
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Size: 201728 |
Author: 王星 |
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Description: ＯＦＤＭ宽带无线系统的链路级的仿真程序（多天线，ＱＡＭ调制，编码，合并）等等很齐全）-OFDM broadband wireless system link-level simulation program (multi-antenna, QAM modulation, coding, combined) and so very full)
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Size: 46080 |
Author: 陈功 |
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Description: 该链路仿真了OFDM系统在克服瑞丽多径衰落的影响中性能，并使用了理想信道估计。-The link of the OFDM system simulation Ruili in overcoming the effects of multipath fading in the performance and the use of an ideal channel estimation.
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Size: 10240 |
Author: 留心呀 |
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Description: 单进程多网卡数据链路层网络包接收程序，使用原始套接字和select函数机制，这是开发基于PC的软路由器所需要的基本技术。-Single-process, multi-card data link layer network packet reception program, the use of raw sockets and the select function, mechanism, which is to develop PC-based software router, the basic technology needed.
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Size: 2048 |
Author: 韬光养晦 |
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Description: 基于宽带无线通信系统的仿真链路设计，是cdma的多用户检测技术，完整的毕业设计-Broadband wireless communication system based on the simulation link design is multi-user detection technology cdma
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Size: 1867776 |
Author: 刘岸峰 |
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Description: 一种多链路接入共享带宽分配模型，分析了链路带宽分配和QoS等级的特点，提出一种动态带宽分配分级Qos链路接入控制算法DBAMQ-A link to share bandwidth allocation model access, this paper analyzes the link bandwidth allocation and the characteristics of the QoS level, and put forward a kind of dynamic bandwidth points
Grading Qos link with access control algorithm DBAMQ
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Size: 468992 |
Author: |
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Description: 无人机多链路中继的非对称数据链的博士论文-UAV documents
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Size: 5948416 |
Author: julia |
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Description: 天津师范大学通过网通、电信、教育网三种介质接入网络，DNS智能解析是根据客户端请求IP的不同来源给客户端返回不同的服务器地址，本文以Redhat系统为例，通过建立VIEW视图，并配置相应功能实现DNS智能解析。
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Size: 53248 |
Author: zxm19839@qq.com |
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Description: 涉及ARM开发板的多个3G模块移植，实现ppp拨号上网，有助于3G/4G多链路聚合的研究(The transplantation of multiple 3G modules related to ARM development board and the implementation of PPP dial-up networking are helpful to the research of 3G/4G multi link aggregation)
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Size: 27648 |
Author: ideaMan
|
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Description: 实现了光通信系统的多径、以及不同信噪比下的通信链路信噪比仿真。其中包含OOK/PPM/DPPM/DHPIM/副载波调制(The simulation of communication link signal-to-noise ratio (SNR) of optical communication system under multipath and different signal-to-noise ratio is realized. It contains OOK/PPM/DPPM/DHPIM/ subcarrier modulation)
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Size: 40960 |
Author: Inspire |
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