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通信仿真平臺設(shè)計(jì)_學(xué)士學(xué)位論文-展示頁

2024-09-06 19:26本頁面
  

【正文】 l’s generation, transmission and demodulation and realized the input of the parameters and the output of the graphics. Keywords: modulation。 simulation。 GUI 沈陽理工大學(xué)學(xué)士學(xué)位論文 III 目 錄 1 緒 論 .................................................................................................................................... 1 2 模擬通信系統(tǒng)基礎(chǔ)理論 ...................................................................................................... 3 模擬通信系統(tǒng)概述 .................................................................................................... 3 模擬通信系統(tǒng)中的線性調(diào)制 .................................................................................... 4 普通幅度調(diào)制( AM) .................................................................................... 4 雙邊帶幅度調(diào)制( DSB) .............................................................................. 8 單邊帶調(diào)制( SSB) ..................................................................................... 10 模擬通信系統(tǒng)中的非線性調(diào)制 .............................................................................. 13 頻率調(diào)制( FM) .......................................................................................... 13 相位調(diào)制( PM) .......................................................................................... 16 3 數(shù)字通信系統(tǒng)基礎(chǔ)理論 .................................................................................................... 17 數(shù)字通信系統(tǒng)概述 .................................................................................................. 17 數(shù)字通信系統(tǒng)調(diào)制解調(diào)原理 .................................................................................. 18 二進(jìn)制幅度鍵控 (2ASK)................................................................................ 18 二進(jìn)制頻移鍵控 (2FSK) ................................................................................ 21 二進(jìn)制相移鍵控 (2PSK) ................................................................................ 23 二進(jìn)制 差分 相移鍵控 (2DPSK) ..................................................................... 26 4 模擬通信系統(tǒng)仿真平臺總體設(shè)計(jì) .................................................................................... 28 模擬通信系統(tǒng)仿真平臺的功能 .............................................................................. 28 系統(tǒng)總體設(shè)計(jì) .......................................................................................................... 28 總體設(shè)計(jì)參數(shù) .......................................................................................................... 29 模擬通信系統(tǒng)仿真實(shí)現(xiàn) .......................................................................................... 30 信號調(diào)制解調(diào)程序流程圖 ............................................................................ 30 普通調(diào)幅( AM)信號仿真 .......................................................................... 31 雙邊帶調(diào)幅( DSB)信號仿真 .................................................................... 33 單邊帶調(diào)幅( SSB)信號仿真 ..................................................................... 35 調(diào)頻( FM)信號仿真 .................................................................................. 37 調(diào)相( PM)信號仿真 .................................................................................. 39 仿真結(jié)果分析 .......................................................................................................... 41 沈陽理工大學(xué)學(xué)士學(xué)位論文 IV 5 數(shù)字通信系統(tǒng)仿真實(shí)現(xiàn) .................................................................................................... 42 仿真平臺功能 .......................................................................................................... 42 總體設(shè)計(jì)方案 .......................................................................................................... 42 總體設(shè)計(jì)參數(shù) .......................................................................................................... 43 仿真實(shí)現(xiàn) .................................................................................................................. 44 信號調(diào)制解調(diào)程序流程圖 ............................................................................ 44 二進(jìn)制幅度鍵控 (2ASK)信號仿真 ................................................................ 44 二進(jìn)制頻移鍵控 (2FSK)信號仿真 ................................................................ 46 二進(jìn)制相移鍵控 (2PSK)信號仿真 ................................................................ 48 二進(jìn)制 差分 相移鍵控 (2DPSK)信號仿真 ..................................................... 50 仿真結(jié)果及分析 ...................................................................................................... 51 結(jié) 論 ........................................................................................................................................ 52 致 謝 ........................................................................................................................................ 53 參考文獻(xiàn) .................................................................................................................................. 54 附錄 A 英文原文 ................................................................................................................... 57 附錄 B 漢語翻譯 ................................................................................................................... 63 附錄 C 部分程序 ................................................................................................................... 67 AM 程序 .................................................................................................................. 67 DSB 調(diào)制函數(shù) ......................................................................................................... 68 FM 調(diào)制函數(shù) ........................................................................................................... 69 “畫圖 ”按鈕的回調(diào)函數(shù) .......................................................................................... 70 2ASK 程序 ........................................................
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