本文關(guān)鍵詞： 信道模擬 多路短波 WinCE ARM Cortex M3　出處：《西安電子科技大學》2014年碩士論文　論文類型：學位論文

【摘要】：本文研究內(nèi)容源自科研課題“短波選頻與建鏈技術(shù)研究”,為了室內(nèi)測試與評估此課題中選頻與建鏈系統(tǒng),此前設(shè)計出了基于WinCE的多路短波綜合模擬設(shè)備軟件。經(jīng)過實際室內(nèi)測試,基于WinCE的解決方案實時性達不到要求,系統(tǒng)時延導致此設(shè)備無法適應(yīng)高速數(shù)據(jù)傳輸,有必要重新設(shè)計一套短波綜合模擬系統(tǒng),ARMCortex M3處理器常應(yīng)用于具有較高實時性要求的系統(tǒng),基于ARM的短波綜合模擬設(shè)備在此背景下得以提出。本文對基于ARM的短波綜合模擬設(shè)備進行了系統(tǒng)性的研究,所取得的主要研究成果為：1.對基于ARM的短波模擬設(shè)備方案的可行性進行了分析研究。結(jié)合模擬設(shè)備的設(shè)計需求,給出了基于WinCE的多路設(shè)計方案,分析了此方案的應(yīng)用范圍。通過實際測試也驗證了基于WinCE方案的局限性,由此引出了基于ARM的裸機開發(fā)方案,并就ARM Cortex M3現(xiàn)有的硬件資源詳細分析了實現(xiàn)的可能性。2.對基于ARM的短波模擬設(shè)備的設(shè)計方案進行了研究。結(jié)合模擬設(shè)備的設(shè)計需求與ARM Cortex M3的硬件資源,設(shè)計出了基于ARM方案的硬件、軟件框架結(jié)構(gòu)。根據(jù)模擬設(shè)備要實現(xiàn)的功能,設(shè)計出了軟件結(jié)構(gòu)的各個部分,包括參數(shù)設(shè)置及初始化部分、收發(fā)串口及指令交互部分、信道控制部分。根據(jù)硬件、軟件模塊的設(shè)計方案,介紹了實現(xiàn)此方案所用到的關(guān)鍵技術(shù)。3.對基于ARM的短波模擬設(shè)備的軟件實現(xiàn)進行了研究。結(jié)合基于ARM方案的設(shè)計,最終實現(xiàn)了此方案的核心部分-信道控制部分(包括信道通斷控制部分和音頻加噪部分)。最后,采用信道通斷測試、噪聲輸出測試和過采樣測試等實驗手段進行了合理性與邏輯性的測試,實測結(jié)果驗證了基于ARM方案的信道模擬功能的可行性和有效性。
[Abstract]:The content of this paper comes from the project "the research and construction of shortwave frequency chain technology research", in order to indoor test and evaluation in the subject construction and frequency chain system, previously designed WinCE integrated simulation software based on multi wave equipment. After the actual test, WinCE solution in real time is not up to the requirements based on time delay system the equipment can not adapt to the high speed data transmission, it is necessary to design a set of short wave integrated simulation system, ARMCortex M3 processor is often used in the system with high real-time requirements, comprehensive simulation of shortwave equipment based on ARM is put forward under this background. This paper makes a systematic study on the comprehensive simulation of short wave equipment based on ARM the main research results are as follows: 1. the simulation equipment based on the feasibility of the scheme of ARM short wave are analyzed. Combined with the design requirements of analog devices, to A multi channel design scheme based on WinCE, analyzes the application scope of this scheme. Through the actual test also verified the limitations based on the WinCE scheme, which leads to the bare metal development scheme based on ARM, and ARM Cortex M3 the existing hardware and detailed analysis of the possibility of.2. conducted the research on the design scheme of simulation ARM equipment based on shortwave. Combining with the design requirements and the ARM Cortex M3 simulation equipment hardware resources, design a ARM scheme based on hardware, software framework. According to the simulation equipment to achieve the function, design each part of the software structure, including parameter setting and initialization, send and receive serial and interactive instruction part of channel control. According to the hardware, software design module, introduces the key technology of.3. used to achieve the scheme of simulation equipment ARM software realization based on short wave Were studied. According to the design based on the ARM scheme, finally realizes the core part of this scheme to control the channel part (including channel on-off control and audio noise part). Finally, the channel on-off test, noise test and output over sampling measurement for the rationality and logic of the test the experimental results verify the feasibility of the channel, the ARM scheme simulation function and effectiveness based on.

【學位授予單位】：西安電子科技大學
【學位級別】：碩士
【學位授予年份】：2014
【分類號】：TN925

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