【正文】 ayer: AppCbrClient,(3)Last packet sent at [s]: Node: 1, Layer: AppCbrClient,(3)Session status: Not closed Node: 1, Layer: AppCbrClient,(3)Total number of bytes sent: 5120000 Node: 1, Layer: AppCbrClient,(3)Total number of packets sent: 10000 Node: 1, Layer: AppCbrClient,(3)Throughput(bits per second): 409600 Node: 1, Layer: AppCbrClient,(2)Server address: 53 Node: 1, Layer: AppCbrClient,(2)First packet sent at [s]: Node: 1, Layer: AppCbrClient,(2)Last packet sent at [s]: Node: 1, Layer: AppCbrClient,(2)Session status: Not closed Node: 1, Layer: AppCbrClient,(2)Total number of bytes sent: 5120000 Node: 1, Layer: AppCbrClient,(2)Total number of packets sent: 10000 Node: 1, Layer: AppCbrClient,(2)Throughput(bits per second): 409600 Node: 1, Layer: AppCbrClient,(1)Server address: 52 Node: 1, Layer: AppCbrClient,(1)First packet sent at [s]: Node: 1, Layer: AppCbrClient,(1)Last packet sent at [s]: Node: 1, Layer: AppCbrClient,(1)Session status: Not closed Node: 1, Layer: AppCbrClient,(1)Total number of bytes sent: 5120000 Node: 1, Layer: AppCbrClient,(1)Total number of packets sent: 10000 Node: 1, Layer: AppCbrClient,(1)Throughput(bits per second): 409600 Node: 1, Layer: AppCbrClient,(0)Server address: 51 Node: 1, Layer: AppCbrClient,(0)First packet sent at [s]: Node: 1, Layer: AppCbrClient,(0)Last packet sent at [s]: Node: 1, Layer: AppCbrClient,(0)Session status: Not closed Node: 1, Layer: AppCbrClient,(0)Total number of bytes sent: 5120000 Node: 1, Layer: AppCbrClient,(0)Total number of packets sent: 10000 Node: 1, Layer: AppCbrClient,(0)Throughput(bits per second): 409600 Node: 51, Layer: AppCbrServer,(0)Client address: 1 Node: 51, Layer: AppCbrServer,(0)First packet received at [s]: Node: 51, Layer: AppCbrServer,(0)Last packet received at [s]: Node: 51, Layer: AppCbrServer,(0)Average endtoend delay [s]: Node: 51, Layer: AppCbrServer,(0)Session status: Not closed Node: 51, Layer: AppCbrServer,(0)Total number of bytes received: 5102592 Node: 51, Layer: AppCbrServer,(0)Total number of packets received: 9966 Node: 51, Layer: AppCbrServer,(0)Throughput(bits per second): 408219 Node: 52, Layer: AppCbrServer,(1)Client address: 1 Node: 52, Layer: AppCbrServer,(1)First packet received at [s]: Node: 52, Layer: AppCbrServer,(1)Last packet received at [s]: Node: 52, Layer: AppCbrServer,(1)Average endtoend delay [s]: Node: 52, Layer: AppCbrServer,(1)Session status: Not closed Node: 52, Layer: AppCbrServer,(1)Total number of bytes received: 5102592 Node: 52, Layer: AppCbrServer,(1)Total number of packets received: 9966 Node: 52, Layer: AppCbrServer,(1)Throughput(bits per second): 408233 Node: 53, Layer: AppCbrServer,(2)Client address: 1 Node: 53, Layer: AppCbrServer,(2)First packet received at [s]: Node: 53, Layer: AppCbrServer,(2)Last packet received at [s]: Node: 53, Layer: AppCbrServer,(2)Average endtoend delay [s]: Node: 53, Layer: AppCbrServer,(2)Session status: Not closed Node: 53, Layer: AppCbrServer,(2)Total number of bytes received: 3926016 Node: 53, Layer: AppCbrServer,(2)Total number of packets received: 7668 Node: 53, Layer: AppCbrServer,(2)Throughput(bits per second): 314112 Node: 54, Layer: AppCbrServer,(3)Client address: 1 Node: 54, Layer: AppCbrServer,(3)First packet received at [s]: Node: 54, Layer: AppCbrServer,(3)Last packet received at [s]: Node: 54, Layer: AppCbrServer,(3)Average endtoend delay [s]: Node: 54, Layer: AppCbrServer,(3)Session status: Not closed Node: 54, Layer: AppCbrServer,(3)Total number of bytes received: 22016 Node: 54, Layer: AppCbrServer,(3)Total number of packets received: 43 Node: 54, Layer: AppCbrServer,(3)Throughput(bits per second): 1761 Node: 55, Layer: AppCbrServer,(4)Client address: 1 Node: 55, Layer: AppCbrServer,(4)First packet received at [s]: Node: 55, Layer: AppCbrServer,(4)Last packet received at [s]: Node: 55, Layer: AppCbrServer,(4)Average endtoend delay [s]: Node: 55, Layer: AppCbrServer,(4)Session status: Not closed Node: 55, Layer: AppCbrServer,(4)Total number of bytes received: 22016 Node: 55, Layer: AppCbrServer,(4)Total number of packets received: 43 Node: 55, Layer: AppCbrServer,(4)Throughput(bits per second): 1761三、實(shí)驗(yàn)結(jié)果分析各發(fā)送節(jié)點(diǎn)發(fā)包間隔較大，當(dāng)網(wǎng)絡(luò)中發(fā)送節(jié)點(diǎn)較少時(shí)，網(wǎng)絡(luò)還未飽和。以節(jié)點(diǎn)為中心，存在發(fā)送區(qū)域和干擾區(qū)域。由于節(jié)點(diǎn)3是節(jié)點(diǎn)1的一個(gè)隱終端，節(jié)點(diǎn)1無法通過物理載波檢測偵聽到節(jié)點(diǎn)3的發(fā)送，且節(jié)點(diǎn)3在節(jié)點(diǎn)2的傳輸范圍外，節(jié)點(diǎn)3無法通過虛擬載波檢測延遲發(fā)送，所以在節(jié)點(diǎn)1傳輸數(shù)據(jù)的過程中，節(jié)點(diǎn)3完成退避發(fā)送時(shí)將引起沖突。實(shí)驗(yàn)二 無線局域網(wǎng)DCF協(xié)議飽和吞吐量驗(yàn)證一、實(shí)驗(yàn)?zāi)康牧私釯EEE DCF 協(xié)議的基本原理。實(shí)驗(yàn)三 動(dòng)態(tài)源路由協(xié)議路由選擇驗(yàn)證一、實(shí)驗(yàn)?zāi)康牧私釪SR路由協(xié)議的優(yōu)缺點(diǎn)。二、實(shí)驗(yàn)屬性驗(yàn)證性試驗(yàn)。雙絞線電纜比較柔軟，便于在墻角等不規(guī)則地方施工，但信號(hào)的衰減比較大。在進(jìn)行設(shè)備連接時(shí)，我們需要正確的選擇線纜。將有序的線頭順著RJ45頭的插口輕輕插入，插到底，并確保護(hù)套也被插入。實(shí)驗(yàn)學(xué)時(shí)較短，遠(yuǎn)不能滿足大學(xué)生發(fā)現(xiàn)問題、分析問題、解決問題的動(dòng)手實(shí)踐能力、工程能力的培養(yǎng)要求，希望同學(xué)們?cè)谡n余能夠珍惜時(shí)間，積極進(jìn)行上機(jī)、上網(wǎng)操作練習(xí)，多動(dòng)手實(shí)踐操作，學(xué)習(xí)、應(yīng)用所學(xué)到的實(shí)驗(yàn)方法和技術(shù)。使用該協(xié)議的網(wǎng)絡(luò)，以“工作組”的形式劃分子網(wǎng)（計(jì)算機(jī)的歸屬），以“計(jì)算機(jī)名”區(qū)分和識(shí)別計(jì)算機(jī)。（是否安裝了TCP/IP協(xié)議、網(wǎng)卡驅(qū)動(dòng)程序）開啟“控制面板”一“網(wǎng)絡(luò)”圖標(biāo)，查看網(wǎng)絡(luò)組件是否都在。從“網(wǎng)上鄰居”看到相鄰主機(jī)的名字。在有些設(shè)備上，指示燈將會(huì)閃爍，這是正?，F(xiàn)象。在連接打印機(jī)的計(jì)算機(jī)上(假設(shè)主機(jī)名為zhao)，從“控制面板”的“打印機(jī)”中，右擊該打印機(jī)名后單擊“共享”，在出現(xiàn)的界面中選中“共享為”，輸入共享名“worknet”。3：電子郵件地址：個(gè)人郵箱地址典型格式是由三部分組成：用戶名用戶所連接的收取Email的服務(wù)器地址），整個(gè)Email地址可理解為網(wǎng)絡(luò)中某臺(tái)主機(jī)上的某個(gè)用戶的地址。這種方法需要通過專門的電子郵件軟件才能收發(fā)郵件，最典型的微軟的OE（Outlook Express）, Mail Transfer Protocol（簡單郵件傳輸協(xié)議）。使用POP服務(wù)器接收的消息與使用SMTP服務(wù)器發(fā)送消息都很簡單而且可靠。g跟a一樣。:(1).能利用ServU組建Ftp服務(wù)器(2).能對(duì)Ftp服務(wù)器進(jìn)行權(quán)限、用戶等設(shè)置(3).能對(duì)Ftp服務(wù)器進(jìn)行遠(yuǎn)程管理等設(shè)置 :(1).利用Servu建立ftp服務(wù)器(2).設(shè)置用戶權(quán)限(3).設(shè)置不同文件夾權(quán)限：Windows server 2003及servU 軟件:（1）建立ftp服務(wù)器四川工程職業(yè)技術(shù)學(xué)院電氣信息工程系(2)連接本地服務(wù)器，如服務(wù)器不能再線，可選擇輸入密鑰，密鑰在SERVU文件夾中“!)”中。fm=200。（配合截圖來分析）Impulse Response(IR)移動(dòng)通信系統(tǒng)從沖擊響應(yīng)可以看出，該信道有四條不同時(shí)延的路徑。PSK/QPSK通信鏈路搭建與誤碼性能分析掌握基于simulink的BPSK、QPSK典型通信系統(tǒng)的鏈路實(shí)現(xiàn)，仿真BPSK/QPSK信號(hào)在AWGN信道、單徑瑞利衰落信道下的誤碼性能。、不同合并方式下的誤比特率性能。合并方式共分為三種，選擇合并、等增益合并和最大 比值合并。在本次課程設(shè)計(jì)中，我們小組學(xué)習(xí)研究了對(duì)三種不同分集合并技術(shù)在改善系統(tǒng)性能方面的效果的課題實(shí)驗(yàn)。實(shí)驗(yàn)原理框圖伯努利信源b(t)x(t)s(t)信道r(t)e(t)Tby(Tb)dt242。用示波器觀察從HDB3碼中和從AMI碼中提取位同步信號(hào)的電路中有關(guān)波形。再將KKK3置為全0，觀察全0碼對(duì)應(yīng)的AMI碼和HDB3碼。HDB3位同步信號(hào)整流窄帶帶通濾波器整形移相HDB3中不含有離散譜fS(fS在數(shù)值上等于碼速率)成分。用頻譜儀觀察數(shù)字基帶信號(hào)頻譜及2ASK、2FSK、2DPSK信號(hào)的頻譜。設(shè)相對(duì)碼為全全0或1001 1010，求絕對(duì)碼。三、實(shí)驗(yàn)步驟本實(shí)驗(yàn)使用數(shù)字信源單元、數(shù)字調(diào)制