通信工程計算機通信仿真技術(shù)實驗指導(dǎo)書

1、通信系統(tǒng)分析與仿真analysis and simulation of communication system實 驗 指 導(dǎo) 書experiment instruction王曉寧編沈陽大學(xué)信息工程學(xué)院school of information engineering, shenyang university目錄實驗一 matlab認(rèn)識3exp.1 matlab learning3實驗二 數(shù)據(jù)流仿真8exp.2 data flow simulation8實驗三 時間流仿真11exp.3 time flow simulation11實驗四 通信系統(tǒng)設(shè)計仿真15exp.4 communicatio

2、n system design and simulation15附錄：21matlab 程式設(shè)計與應(yīng)用21simulink的庫模塊26實驗四設(shè)計說明書模板27課程編號：11215101 課程類別：專業(yè)選修課程適用層次：本科 適用專業(yè)：通信工程課程總學(xué)時：48 適用學(xué)期:第5學(xué)期 實驗學(xué)時：20 開設(shè)實驗項目數(shù)：5撰寫人：王曉寧 審核人：王丹萍 教學(xué)院長：范立南course number：11215101 course type：professional courseapply to：undergraduate major：communication engineeringtotal perio

3、d：48 term: no. 5 experiment period：20 number of experiment projects:5writer：wangxiaoning verifier：wangdanpingdean of teching：wanghui 實驗一 matlab認(rèn)識exp.1 matlab learning一、實驗?zāi)康呐c要求l 了解對matlab軟件的界面、使用方法、常用計算函數(shù)l 了解對simulink環(huán)境認(rèn)識的界面、使用方法、常用模塊1. experimental purpose and requirementsl get to know the interface

4、 and basic operation of matlab software and how to use normal functions/toolboxes etc.l get to know the interface and basic operation of simulnk functions and how to use normal models.二、實驗類型設(shè)計型（4學(xué)時）2. experimemts typedesign(4 periods)三、實驗原理及說明利用matlab軟件的help功能，設(shè)計常用信號的函數(shù)表示方法，加深對matlab軟件使用方法的掌握；并通過簡單設(shè)

5、計對simulink的仿真環(huán)境及常用信號和系統(tǒng)的產(chǎn)生、常用模塊的使用方法有所了解。3. experimental principle and instructionsdesign representing methods of normal signal by using help functions in matlab software, makes students handle the usage of matlab software; design simple signals and systems in simulink environments to know better ab

6、out how to use normal modules.四、實驗儀器序 號名 稱主要用途1pc機為編程仿真提供硬件環(huán)境2matlab軟件（含simulink及通信工具箱）為編程仿真提供軟件平臺4. experiment instrumentsserial numbernamemain applications1pchardware environment of simulation2matlab softwaresoftware environment of simulation五、實驗內(nèi)容和步驟實驗內(nèi)容：（一）matlab軟件認(rèn)識1. 認(rèn)識matlab軟件的界面2. 主要的數(shù)學(xué)函數(shù)指令：

7、sin（正弦）, cos（余弦）, tan（正切）, atan（反正切）, exp（指數(shù)）, log（對數(shù)）, sqrt（平方根）, abs（絕對值）, angle（相角）, conj（復(fù)共軛）, imag（復(fù)數(shù)虛部）, real（復(fù)數(shù)實部）等等實驗步驟：1. 在實驗之前仔細閱讀附錄中關(guān)于matlab軟件平臺的基本介紹。2. 利用桌面的快捷圖標(biāo)或是從開始-程序-matlab打開matlab軟件3. 在命令窗口定義時間變量t4. 將時間變量t代入數(shù)學(xué)函數(shù)指令中，為新變量賦值（如：“x=sin(t)”）5. 利用繪圖指令將賦值的函數(shù)的圖形繪制出來:對于連續(xù)時間函數(shù)，用plot指令（如：“plot(

8、t,x)”）;對于離散時間函數(shù)，用stem指令（如：“stem(t,x)”）6. 依次利用上面實驗內(nèi)容中提到的12種函數(shù)指令為新變量賦值，構(gòu)成通信系統(tǒng)中的常見信號，并繪圖、將所用的指令和得到的圖像記錄下來，完成實驗報告（二）simulink環(huán)境認(rèn)識1. 認(rèn)識simulink環(huán)境認(rèn)識的界面2. 認(rèn)識simulink模塊庫中的主要常用模塊：常用系統(tǒng)模塊：derivative（時間微分）,integrator（時間積分）,state-space（狀態(tài)空間系統(tǒng)）,transfer fcn（線性傳輸函數(shù)）,transport delay（輸入延時）,variable transport delay（輸入

9、可變時間延時）,zero-pole（零極點傳輸函數(shù)）,hit crossing（檢測交叉點）,quantizer（量化）,rate limiter（限制輸入信號的變化比率）,relay（繼電器）,saturation（限制輸出信號的范圍）數(shù)學(xué)操作模塊：abs（產(chǎn)生輸入信號的絕對值），complex to magnitude-angle（計算一個復(fù)信號的幅度/相位），complex to real-imag（計算一個復(fù)信號的實部/虛部）,dot product（產(chǎn)生點積）,gain/matrix gain（將輸入乘以一個常數(shù)）,math function（實現(xiàn)某個特定的數(shù)學(xué)函數(shù)）,minmax（

10、產(chǎn)生輸入信號的最大值或最小值）,product（產(chǎn)生輸入的積或商）,sign（指示輸入信號的符號）,sum（計算輸入的和或差）,sin（實現(xiàn)某一特定的三角函數(shù)）實驗步驟：1. 在實驗之前仔細閱讀附錄中關(guān)于matlab和simulink軟件環(huán)境的基本介紹。2. 利用桌面的快捷圖標(biāo)或是從開始-程序-matlab打開matlab軟件，然后點擊simulink快捷按鈕。3. 按“新建” 快捷按鈕，建立一個新的模型文件。4. 依次用上面提到的模塊搭建成模型，運行，并觀看結(jié)果：5. 完成實驗報告例1. 從simulink模塊庫中的source中選擇pulse generator、repeating seq

11、uence、sine wave和step幾個信號源拖拽到新建的模型文件窗口中2. 從simulink模塊庫中的sink中選擇示波器scope拖拽到新建的模型文件窗口中，并復(fù)制3. 將continouse中的derivative（時間微分）拖拽到新建的模型文件窗口中4. 將以上模塊用信號線連接起來（如下圖），同時修改各個模塊的參數(shù)5. 運行（點擊快捷按鍵“”）6. 觀察并記錄結(jié)果7. 用常用系統(tǒng)模塊和數(shù)學(xué)操作模塊中的各個模塊依次替換derivative（時間微分）模塊并重復(fù)以上各個步驟，觀察并記錄結(jié)果5. experiment contents and stepsexperiment conte

12、nts：（1）get to know matlab softwarei. knowing the interface of matlabii. main math functions:sin(), cos(), tan(), atan(), exp(), log(),log10(), sqrt(), abs(), angle(), conj(), imag(), real(),etc.experiment and steps：a) read the introduction of matlab in the appendix carefully before the experiment st

13、art. b) start matlab software form the shortcut icon on desktop or start-program- matlab.c) define time variable t in the command window.d) introduce time variable t into different math function expressions，define new signal variable（e.g.：“x=sin(t)”）e) draw signal curves by using appropriate functio

14、n.（e.g.：“plot()” for continuous functions; “stem()” for discrete functions;）f) use 12 functions instructions mentioned former to define new variables, in order to form common communication system signals，then record the instructions you used and the result figures in the experiments，finish the repor

15、t.（2）get to know simulinkiii. be familiar to simulink interfaceiv. get to know normal modules in simulink lib.:derivative, integrator, state-space, transfer fcn, transport delay, variable transport delay, zero-pole, hit crossing, quantizer, rate limiter, relay, saturationabs， complex to magnitude-an

16、gle， complex to real-imag, dot product, gain/matrix gain, math function, minmax, product, sign, sum ,sinexperiment and steps：a) read the introduction of matlab&simulink in the appendix carefully before the experiment start.b) start matlab software form the shortcut icon on desktop or start-program-

17、matlab, then click simulink shortcut button or type “simulink” in the command window to run simulink interface.c) click “new” shortcut button to create a new “.mdl” file.d) use modules mentioned former to build system models, run them and observe their results. record main parameters.e) finish the r

18、eport.e.g.a. drag “pulse generator”、”repeating sequence”、”sine wave” and “step signal” modules from “simulink/source” lib. into new “.mdl” file window.b. drag “scope” module from simulink/sink lib. into new “.mdl” file window and duplicate it.c. drag “derivative” module from simulink/continuous lib.

19、 into new “.mdl” file window. d. link modules like figure shows below， then modify their parameters.e. run the system（click“”）f. observe and record the results.g. alter the “derivative” module with other normal system modules or math modules, repeat the operation process above, observe and record th

20、e results 六、實驗數(shù)據(jù)處理與分析（1） 記錄所設(shè)計的信號的變量定義以及信號繪制曲線（圖形）（2） 與實際理論結(jié)果比較驗證，并分析異同及原因。6. experiment data recording, processing and analysis（1） record all the variables defined in the design and the curves drawn in matlab.（2） compare the curves with theoretical curves, analysis the reason why there are differen

21、ces between them.七、注意事項（1） 在使用plot命令繪圖時，要保證表示橫縱軸坐標(biāo)的數(shù)據(jù)長度要相等。（2） 在仿真運行之前要仔細檢查各個模塊的參數(shù)的設(shè)置，否則運行時可能會出現(xiàn)錯誤。（3） 仿真步長的設(shè)置：要保證仿真運行時的仿真步長所有模塊中最小抽樣時間的一半。7. attentionsa) data arrays of the horizontal and vertical coordinates should be the same when “plot” function is used to draw signal curves.b) module parameters

22、 should be examined carefully before the simulation running in order to avoid error occurs.c) set simulation step-length carefully: the simulation step-length minimum sample time/2.八、預(yù)習(xí)與思考題（1） 一般信號曲線的繪制應(yīng)該注意什么？（2） 如果在同一個圖形窗口中分別繪制多條曲線應(yīng)該采用哪條指令？（3） 如果想在matlab窗口下查詢某一條指令的使用方法，應(yīng)當(dāng)使用哪條指令？（4） simulink模塊庫有哪幾個子

23、庫？（5） 如果仿真步長設(shè)置得太大了會出現(xiàn)什么問題？8. answer before & after experimentsa) what we should pay attention to when we draw signal curves in matlab?d) what functions we may use to draw different signal curves in one figure window? e) what functions we may use to find the usage ways of some function in command win

24、dow? f) how many simulation module lib.s in simulink.g) what happens if the modulation step-length is too long?實驗二 數(shù)據(jù)流仿真exp.2 data flow simulation一、實驗?zāi)康呐c要求l 了解如何利用*.m文件實現(xiàn)數(shù)據(jù)流仿真l 了解用通信工具箱提供的常用函數(shù)實現(xiàn)通信系統(tǒng)仿真的方法1. experimental purpose and requirementsl get to know how to implement data flow simulation by us

25、ing *.m file.l get to know how to implement communication system simulation by using the normal functions in communication toolbox.二、實驗類型設(shè)計型（4學(xué)時）2. experimemts typedesign(4 periods)三、實驗原理及說明數(shù)據(jù)流仿真主要是指在仿真過程中,仿真系統(tǒng)的初始狀態(tài)和條件、中間狀態(tài)以及結(jié)果輸出均以數(shù)據(jù)塊作為基本計算單位。仿真通信系統(tǒng)的信源信號是以整個數(shù)據(jù)塊的形式送入系統(tǒng)的各個仿真環(huán)節(jié)（調(diào)制、發(fā)送、信道傳輸、接受、解調(diào)等等）并逐步計算

26、的。matlab軟件的*.m文件編輯器是數(shù)據(jù)流仿真的最佳工具，使用通信工具箱提供的函數(shù)仿真通信系統(tǒng)中的常用環(huán)節(jié)和*.m文件編輯器的各種調(diào)試工具可以實現(xiàn)事半功倍的高效編程仿真。3. experimental principle and instructionsdata flow simulation means to take data blocks as the basic compute units for simulation systems initial、middle status and conditions as well as the output results, which

27、means the source signal of the communication system has been sent into each part (such as modulation parts, sending parts, channel parts, receiving parts, demodulation parts and so on) of the simulation system as a whole data block.the *.m file editor is the best data flow simulation tools provided

28、by matlab, it can double the simulation programming efficiency by offering many kinds of running tools and provided functions in communication toolbox for their normal parts simulation.四、實驗儀器序 號名 稱主要用途1pc機為編程仿真提供硬件環(huán)境2matlab軟件（含simulink及通信工具箱）為編程仿真提供軟件平臺4. experiment instrumentsserial numbernamemain

29、applications1pchardware environment of simulation2matlab softwaresoftware environment of simulation五、實驗內(nèi)容和步驟實驗內(nèi)容用*.m文件編輯器設(shè)計一個簡單的am調(diào)制解調(diào)通信系統(tǒng)的數(shù)據(jù)流仿真過程。要求所仿真的通信系統(tǒng)要按照以下要求設(shè)計各個am調(diào)制解調(diào)環(huán)節(jié)：（1）信源：確定信號（2）調(diào)制：載波信號取正弦信號，載波頻率要在信源信號最高頻率3倍以上（3）信道：awgn（4）解調(diào)：載波信號取給與（2）中相同的正弦信號，同頻同相（5）信宿：輸出解調(diào)結(jié)果實驗步驟（1）細化上述各個仿真環(huán)節(jié)所采用的具體方法或數(shù)學(xué)

30、表達式以及系統(tǒng)的初始狀態(tài)（參數(shù)），并繪制仿真程序的流程圖（2）打開*.m文件編輯器（3）按照流程圖編寫代碼（4）調(diào)試（5）記錄具體設(shè)計方案和參數(shù)，實驗結(jié)果等（6）完成實驗報告5. experiment contents and stepsexperiment contents：design a simple am modem system, implement the design in data flow simulation way by using *.m file editor. all the parts of the communication system should simu

31、lated according to the follow requests:(1)source: determined signal(2)modulation: carrier should be sine signal which frequency should be greater than the maximum frequency of source signal(3)channel:awgn(4)demodulation: carrier should be the same as in (2), not only same frequency, but also same ph

32、ase(5)sink：output the demodulation resultsexperiment and steps：a) determine the functions, formulas and initial status (parameters) in all parts of the simulation system, then finish the flow chart. b) open *.m file editor.c) programming according to the flow chart.d) debugging.e) record the design

33、plan and parameters, as well as experiment resultsf) finish the report.六、實驗數(shù)據(jù)處理與分析1. 記錄定義的仿真變量、參數(shù)以及仿真結(jié)果。2. 與實際理論結(jié)果比較驗證，并分析不同的原因。6. experiment data recording, processing and analysis（1） record all the variables and parameters defined in the design and the simulation results.（2） compare the results wi

34、th theoretical value, analysis the reason why there are differences between them.七、注意事項1. 在仿真運行之前要仔細檢查各個模塊的參數(shù)的設(shè)置，否則運行時可能會出現(xiàn)錯誤。2. 仿真步長的設(shè)置：要保證仿真運行時的仿真步長所有模塊中最小抽樣時間的一半。7. attentionsa) module parameters should be examined carefully before the simulation running in order to avoid error occurs.b) set simu

35、lation step-length carefully: the simulation step-length minimum sample time/2.八、預(yù)習(xí)與思考題1. 你仿真的方法是否為蒙特卡洛方法？2. 你設(shè)計的調(diào)幅是以下哪一種調(diào)制方式？adsb-scb.usbc.lsbd.vsbe.am with carrier3. 你在信道上疊加的噪聲信噪比是多少？4. 你解調(diào)的方式是相干解調(diào)嗎？8. answer before & after experimentsa) did you simulate the system by using monte carlo theory?b) w

36、hat modem functions did you designed in this experiment? choose from below: adsb-scb.usbc.lsbd.vsbe. am with carrierc) how much noise (nsr) did you add in the channel? d) did you demodulate the signal by using coherent theory?實驗三 時間流仿真exp.3 time flow simulation一、實驗?zāi)康呐c要求l 了解如何利用*.mdl文件實現(xiàn)時間流仿真l 了解simu

37、link提供的模塊實現(xiàn)通信系統(tǒng)仿真的方法1. experimental purpose and requirementsl get to know how to implement time flow simulation by using *.mdl file.l get to know how to implement communication system simulation by using the modules in simulink lib.二、實驗類型：設(shè)計型（4學(xué)時）2. experimemts typedesign(4 periods)三、實驗原理時間流仿真主要是指在仿

38、真過程中設(shè)定步長后,仿真系統(tǒng)在每個時間點計算各個環(huán)節(jié)的狀態(tài)值。仿真通信系統(tǒng)的信源信號以及其它各個仿真環(huán)節(jié)（調(diào)制、發(fā)送、信道傳輸、接受、解調(diào)等等）的信號均是按照步長從一個時間點計算到下一個時間點的。matlab軟件的simulink是數(shù)據(jù)流仿真的最佳工具，使用其模塊庫提供的模塊可以快速搭建仿真通信系統(tǒng)中的常用環(huán)節(jié)，并且可以仿真系統(tǒng)的實時運行狀態(tài)。3. experimental principle and instructionstime flow simulation means to compute status values of all parts of the simulation sy

39、stem at each time point after the step-length is set. which means signals of each parts of the communication system (including the source, modulation parts, sending parts, channel parts, receiving parts, demodulation parts and so on) are computed one time point to the next according to the simulatio

40、n step-length.simulink is the best time flow simulation tools provided by matlab, it can speed up the establishment of the simulation model parts by offering many kinds of modules in simulink lib. and easily simulate real-time statuses of the system model.四、實驗儀器序 號名 稱主要用途1pc機為編程仿真提供硬件環(huán)境2matlab軟件（含si

41、mulink及通信工具箱）為編程仿真提供軟件平臺4. experiment instrumentsserial numbernamemain applications1pchardware environment of simulation2matlab softwaresoftware environment of simulation五、實驗內(nèi)容和步驟實驗內(nèi)容用simulink設(shè)計一個簡單的am調(diào)制解調(diào)通信系統(tǒng)的數(shù)據(jù)流仿真過程。要求所仿真的通信系統(tǒng)要按照以下要求設(shè)計各個am調(diào)制解調(diào)環(huán)節(jié)：（1）信源：隨機信號（2）調(diào)制：載波信號取正弦信號，載波頻率要在信源信號最高頻率3倍以上（3）信道：aw

42、gn（4）解調(diào)：載波信號取給與（2）中相同的正弦信號，同頻同相（5）信宿：輸出解調(diào)結(jié)果實驗步驟（1）細化上述各個仿真環(huán)節(jié)所采用的具體方法或數(shù)學(xué)表達式以及系統(tǒng)的初始狀態(tài)（參數(shù)），并繪制仿真程序的流程圖（2）打開*.m文件編輯器（3）按照流程圖編寫代碼（4）調(diào)試（5）記錄具體設(shè)計方案和參數(shù)，實驗結(jié)果等（6）完成實驗報告例i. 在實驗之前仔細閱讀附錄中關(guān)于simulink通信工具箱的基本介紹。ii. 利用桌面的快捷圖標(biāo)或是從開始-程序-matlab打開matlab軟件，然后點擊simulink快捷按鈕iii. 在模塊庫中打開“communication blockset”通信工具箱模塊庫iv. 按“

43、新建” 快捷按鈕，建立一個新的模型文件v. 打開analog mo/dem模塊庫，選擇上述調(diào)制方法中的至少六種調(diào)制解調(diào)方式（12個模塊）依次用上面提到的模塊搭建成如下圖所示的模型，運行，觀看結(jié)果，并將所有示波器的輸出記錄下來。（模塊中的參數(shù)中，所有的載波頻率設(shè)成100hz，待傳輸?shù)恼倚盘栴l率設(shè)為1，仿真時間設(shè)為10秒，仿真時間步長設(shè)為0.001秒，其余參數(shù)請根據(jù)課上老師講解內(nèi)容設(shè)置。）vi. 記錄結(jié)果，完成實驗報告5. experiment contents and stepsexperiment contents：design a simple am modem system, imple

44、ment the design in data flow simulation way by using simulink. all the parts of the communication system should simulated according to the follow requests:(1)source: random signal(2)modulation: carrier should be sine signal which frequency should be greater than the maximum frequency of source signa

45、l(3)channel:awgn(4)demodulation: carrier should be the same as in (2), not only same frequency, but also same phase(5)sink：output the demodulation resultsexperiment and steps：a) determine the functions, formulas and initial status (parameters) in all parts of the simulation system, then finish the f

46、low chart. b) open *.m file editor.c) programming according to the flow chart.d) debugging.e) record the design plan and parameters, as well as experiment resultsf) finish the report.六、實驗數(shù)據(jù)處理與分析1. 記錄定義的仿真變量、參數(shù)以及仿真結(jié)果。2. 與實際理論結(jié)果比較驗證，并分析不同的原因。6. experiment data recording, processing and analysis（1） rec

47、ord all the variables and parameters defined in the design and the simulation results.（2） compare the results with theoretical value, analysis the reason why there are differences between them.七、注意事項1. 在仿真運行之前要仔細檢查各個模塊的參數(shù)的設(shè)置，否則運行時可能會出現(xiàn)錯誤。2. 仿真步長的設(shè)置：要保證仿真運行時的仿真步長所有模塊中最小抽樣時間的一半。7. attentionsa) module

48、parameters should be examined carefully before the simulation running in order to avoid error occurs.b) set simulation step-length carefully: the simulation step-length minimum sample time/2.八、預(yù)習(xí)與思考題1. 你仿真的方法是否為蒙特卡洛方法？2. 你設(shè)計的調(diào)幅是以下哪一種調(diào)制方式？adsb-scb.usbc.lsbd.vsbe.am with carrier3. 你在信道上疊加的噪聲信噪比是多少？4.

49、你解調(diào)的方式是相干解調(diào)嗎？5. 與實驗二相比，你認(rèn)為最大的區(qū)別是什么？8. answer before & after experimentsa) did you simulate the system by using monte carlo theory?b) what modem functions did you designed in this experiment? choose from below: adsb-scb.usbc.lsbd.vsbe. am with carrierc) how much noise (nsr) did you add in the channel

50、? d) did you demodulate the signal by using coherent theory?e) whats the most different part do you think between this experiment and the last one?實驗四 通信系統(tǒng)設(shè)計仿真exp.4 communication system design and simulation一、實驗?zāi)康呐c要求1. 了解使用matlab對信通信系統(tǒng)仿真的設(shè)計方法2. 學(xué)習(xí)分工合作1. experimental purpose and requirementsl get to

51、know how to design and simulate a communication system.l get to know how to co-operate with each other.二、實驗類型：創(chuàng)新型（8學(xué)時）2. experimemts typecreative(8 periods)三、實驗原理及說明利用matlab軟件設(shè)計并仿真出你所學(xué)過的某一種通信系統(tǒng)。分工合作：本實驗為團體性實驗，每一組學(xué)生若干，同一組的學(xué)生自行劃分工作任務(wù)，每個人完成自己的任務(wù)部分，并主要對自己的任務(wù)部分作出實驗報告。3. experimental principle and instruc

52、tionsdesign and simulate a communication system youve learn by using matlab.cooperates: this is an experiment works on team, one team can no more than 6 students, each member finish his own task assigned on the whole teams agreements, and make report mainly on his own topics responsible for. 四、實驗儀器序

53、 號名 稱主要用途1pc機為編程仿真提供硬件環(huán)境2matlab軟件（含simulink及通信工具箱）為編程仿真提供軟件平臺4. experiment instrumentsserial numbernamemain applications1pchardware environment of simulation2matlab softwaresoftware environment of simulation五、實驗內(nèi)容和步驟實驗內(nèi)容：（1）實驗題目a.基于matlab的pm系統(tǒng)仿真設(shè)計與實現(xiàn)b.基于matlab的fm系統(tǒng)仿真設(shè)計與實現(xiàn)c.基于matlab的pam系統(tǒng)仿真設(shè)計與實現(xiàn)d.基于m

54、atlab的pdm系統(tǒng)仿真設(shè)計與實現(xiàn)e.基于matlab的數(shù)字基帶傳輸系統(tǒng)（snrz）仿真設(shè)計與實現(xiàn)f.基于matlab的數(shù)字基帶傳輸系統(tǒng)（srz）仿真設(shè)計與實現(xiàn)g.基于matlab的數(shù)字基帶傳輸系統(tǒng)（dnrz）仿真設(shè)計與實現(xiàn)h.基于matlab的數(shù)字基帶傳輸系統(tǒng)（drz）仿真設(shè)計與實現(xiàn)i.基于matlab的數(shù)字頻帶傳輸系統(tǒng)（2ask）仿真設(shè)計與實現(xiàn)j.基于matlab的數(shù)字頻帶傳輸系統(tǒng)（2fsk）仿真設(shè)計與實現(xiàn)k.基于matlab的數(shù)字頻帶傳輸系統(tǒng)（2psk）仿真設(shè)計與實現(xiàn)l.基于matlab的數(shù)字頻帶傳輸系統(tǒng)（2dpsk）仿真設(shè)計與實現(xiàn)m.基于matlab的am系統(tǒng)仿真設(shè)計與實現(xiàn)(dsb-

55、sc調(diào)制，相干解調(diào))n.基于matlab的am系統(tǒng)仿真設(shè)計與實現(xiàn)(usb調(diào)制，相干解調(diào))o.基于matlab的am系統(tǒng)仿真設(shè)計與實現(xiàn)(lsb調(diào)制，相干解調(diào))p.基于matlab的am系統(tǒng)仿真設(shè)計與實現(xiàn)(vsb調(diào)制，相干解調(diào))q.基于matlab的am系統(tǒng)仿真設(shè)計與實現(xiàn)(am with carrier調(diào)制，相干解調(diào))（2）實驗說明i. 本實驗成績記入本門課程的平時成績（占總成績的20%），本實驗沒有完成的學(xué)生取消期末考試資格ii. 在規(guī)定時間內(nèi)（8個實驗學(xué)時內(nèi)）上交完整的仿真文件（模型）設(shè)計說明書實驗報告，才算完成本實驗iii. 每組實驗題目不能相同，都采用monte carlo仿真方法iv.

56、組長由組員推薦產(chǎn)生，未能推薦則由教師指定；組員在經(jīng)所有相關(guān)人員同意后，可以與其它組組員互換，每組總?cè)藬?shù)7人v. 組員任務(wù)不重疊，任務(wù)可以按照功能劃分，也可以按照職能劃分vi. 設(shè)計說明書格式見附錄；vii. 實驗報告每人重點寫其個人負責(zé)任務(wù)部分即可，實驗報告要包含實驗總體設(shè)計圖、實驗數(shù)據(jù)（參數(shù)）、實驗結(jié)果記錄；報告不合格者取消期末考試資格實驗步驟：自行設(shè)計系統(tǒng)結(jié)構(gòu)，自定參數(shù)，利用matlab提供的工具箱或模塊庫構(gòu)建仿真系統(tǒng)，并將系統(tǒng)結(jié)構(gòu)圖、實驗步驟、輸出波型或記錄數(shù)據(jù)的文件名以及實驗中所采用的主要參數(shù)如實地記錄在實驗報告上。1 根據(jù)題目確定具體設(shè)計方案2 利用桌面的快捷圖標(biāo)或是從開始-程序-matlab打開matlab軟件3 打開*.m文件編輯器（或simulink）4 在*.m文件編輯器（或simulink）中輸入代碼（或模塊）5 設(shè)置相應(yīng)的參數(shù)6 開始仿真7 觀看仿真結(jié)果8 記錄結(jié)果，作仿真效果分析，完成實驗報告5. experiment