臺灣博碩士論文加值系統

在本文中，我們提出利用多通道間差式取樣的方式提升嵌入式示波器頻寬以及嵌入式任意波形產生器的觸控操作介面和嵌入式電子量測系統的觸控操作介面，因為電子資訊產業的蓬勃發展，具備基本電子實驗知識也是必備的能力之一，所以我們以實驗中最常用的儀器來作研究。在論文中主要分成三個部分，一個是利用多通道的硬體架構，將取樣後的資料透過間差式的計算來將訊號作組合，我們利用四通道的間差式取樣來作驗證，四通道間差式取樣可以取得的頻率是單通道取樣的四倍；嵌入式任意波形產生器的觸控操作介面是使用者可以透過點擊的方式，然後經過嵌入式系統的計算，最後以片段線性的方式建構任意波形，因為是波形產生器，所以基本波形與頻率、電壓可調整性也包含在本設計中；嵌入式電子量測系統的觸控操作介面是包含波形產生器、示波器以及電源供應器，因為將三種儀器的操作介面作整合，所以有效率的縮小操作介面的面積。

In this paper we use the interleaved sampling of the multi-channels to broaden the bandwidth of an embedded oscilloscope system. We design and implement a control interface by touch panel for an embedded arbitrary waveform generator and an embedded electronic measurement system. Because the electronics industry has flourished, making electronic experiments has become a trend. For such study experiments one uses mainly common instruments. This paper is divided into three parts. First, we make use of the hardware structure of the multi-channels. The embedded system merges the data from multi-channels. We use four-channel architecture to prove this method. The bandwidth of four-channel architecture is 400% higher than that of single-channel architecture. Then we design and implement the control interface by touch panel of an embedded system so that the user can construct arbitrarily by drawing. When the user touches the panel, the embedded system links the points which are touched. This method is called piecewise linear. The main design consists of basic waveform, adjusted frequency and voltage. Finally, we design and implement the control interface by touch panel of an embedded electronic measurement system. Its main design consists of waveform generator, oscilloscope and power supply. We have integrated three instruments to one window to improve efficiency of the operation area.

中文摘要……………………………………………………………………………i
英文摘要……………………………………………………………………………ii
誌謝………………………………………………………………………………iii
目錄………………………………………………………………………………iv
表目錄……………………………………………………………………………vi
圖目錄……………………………………………………………………………vii

一、 緒論……………………………………………………………………1
1.1 研究動機和目的………………………………………………1
1.2 利用多通道間差式取樣提高嵌入式示波器頻寬……………3
1.3 嵌入式任意波形產生器之觸控操作介面設計與建構………3
1.4 嵌入式電子量測系統之觸控操作介面設計與建構………4
1.5 論文架構……………………………………………………4

二、 利用多通道間差式取樣提高嵌入式示波器頻寬……………6
2.1 示波器頻寬提昇技術………………………………………6
2.2 多通道間差式取樣基本原理……………………………7
2.2.1 取樣方式及假設………………………………7
2.2.2 多通道頻寬計算及說明………………………8
2.2.3 雜訊抑制………………………………………10
2.3 多通道間差式取樣架構……………………………………10
2.3.1 硬體架構……………………………………10
2.3.2 多通道間差式取樣驗證……………………11
2.3.3 誤差量測方式………………………………13
2.4 實作內容說明………………………………………………15
2.5 實作成果說明………………………………………………18
2.6 多通道間差式取樣提高頻寬討論…………………………20

三、 嵌入式任意波形產生器之觸控操作介面設計與建構……………22
3.1 波形產生器觸控操作………………………………………22
3.2 嵌入式任意波形產生器基本原理…………………………23
3.2.1 數位轉類比轉換……………………………23
3.2.2 Bresenham直線演算法……………………24
3.2.3 任意波形取樣………………………………25
3.2.4 類比輸出頻率計算…………………………25
3.2.5 觸控式螢幕顯示及控制……………………27
3.3 嵌入式任意波形產生器架構………………………………28
3.3.1 硬體架構……………………………………28
3.3.2 軟體架構……………………………………29
3.4 實作內容說明………………………………………………34
3.5 實作成果說明………………………………………………35
3.6 嵌入式任意波形產生器之觸控操作介面討論……………37

四、 嵌入式電子量測系統之觸控操作介面設計與建構………………38
4.1 嵌入式電子量測系統設計………………………………………………38
4.2 嵌入式電子量測系統基本原理………………………………39
4.3 嵌入式電子量測系統架構……………………………………44
4.3.1 硬體架構………………………………………44
4.3.2 軟體架構………………………………………46
4.4 實作內容說明…………………………………………………47
4.4.1切換式觸控操作介面……………………………47
4.4.2 整合式觸控操作介面…………………………50
4.5 實作成果說明…………………………………………………52
4.5.1切換式觸控操作介面……………………………52
4.5.2 整合式觸控操作介面…………………………53
4.6 嵌入式電子量測系統之觸控操作介面討論…………………55

五、 結論與未來發展………………………………………………………57
5.1 利用多通道間差式取樣提高嵌入式示波器頻寬結論……………………57
5.2 嵌入式任意波形產生器之觸控操作介面設計與建構結論…57
5.3 嵌入式電子量測系統之觸控操作介面設計與建構結論……58
5.4 實驗遭遇之困難………………………………………………58
5.5 未來研究方向…………………………………………………58

參考文獻……………………………………………………………………………61
附錄…………………………………………………………………………………67

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