freepeople性欧美熟妇, 色戒完整版无删减158分钟hd, 无码精品国产vα在线观看DVD, 丰满少妇伦精品无码专区在线观看,艾栗栗与纹身男宾馆3p50分钟,国产AV片在线观看,黑人与美女高潮,18岁女RAPPERDISSSUBS,国产手机在机看影片

正文內(nèi)容

基于fpga的線型ccd高速驅(qū)動(dòng)采集一體化控制板設(shè)計(jì)(已修改)

2025-06-21 15:33 本頁(yè)面
 

【正文】 I基于 FPGA 的線型 CCD 高速驅(qū)動(dòng)采集一體化控制板設(shè)計(jì)摘要:線型 CCD 圖像傳感器在工業(yè)檢測(cè)、圖像測(cè)量和機(jī)器視覺(jué)等方面有著廣泛的應(yīng)用。本文針對(duì) CCD 測(cè)量應(yīng)用系統(tǒng)中的前端處理、驅(qū)動(dòng)控制和信號(hào)采集,設(shè)計(jì)制作了一款基于 FPGA 的高速驅(qū)動(dòng)采集一體化控制板。該控制板選用了 Altera 公司的Cyclone 系列 FPGA 和 TI 公司的專(zhuān)用圖像信號(hào)處理芯片 VSP5010,由 FPGA 對(duì)VSP5010 進(jìn)行配置,生成雙路 CCD 驅(qū)動(dòng)脈沖,控制接收 A/D 變換后的圖像數(shù)據(jù),并以適當(dāng)?shù)慕涌诜绞綄⒉杉瘮?shù)據(jù)送入計(jì)算機(jī)以便進(jìn)行后期處理。該控制板將 CCD 的驅(qū)動(dòng)脈沖產(chǎn)生和圖像數(shù)據(jù)采集集于一體,有效簡(jiǎn)化了 CCD 測(cè)量應(yīng)用系統(tǒng)前端的外部電路設(shè)計(jì),提高了圖像數(shù)據(jù)采集速率和質(zhì)量,并具有靈活性強(qiáng),易于擴(kuò)展等特點(diǎn)。關(guān)鍵詞:線型 CCD; FPGA; AFE; 驅(qū)動(dòng); 數(shù)據(jù)采集 II Linear CCD Highspeed Drive and Acquisition Design of Integrated Control Board Based on FPGAAbstract: The linear CCD image sensor has a wide range of applications in industrial inspection, image measurement and machine vision. The paper describes how to design a FPGAbased highspeed acquisition integrated control board based on former processing, driven control and signal acquisition in CCD measurement. This control board adopts ALTERA Cyclone series FPGA and TI VSP5010, which is particularly used as image signal processing chip. In this design, FPGA is responsible to configure the VSP5010, generate dualchannel CCD driven pulse, control and receive the image data converted by A/D, besides, it can send the acquisition data to puter for later processing. This control board integrates the driven pulse generation of CCD and image data acquisition, which can effectively simplify the front periphery circuit of CCD measurement application system, enhance the efficiency and quality of image data acquisition, it is also flexible and easy to expand.Key words: linear CCD, FPGA, AFE, drive, data acquisition III目 錄第一章 緒論 ...................................................................................................................1 論文的研究背景及意義 ..................................................................................1 CCD 器件應(yīng)用發(fā)展現(xiàn)狀 ...............................................................................3 本論文的主要內(nèi)容 ..........................................................................................3第二章 系統(tǒng)總體設(shè)計(jì) ...................................................................................................5 系統(tǒng)總體結(jié)構(gòu) ..................................................................................................5 系統(tǒng)開(kāi)發(fā)工具 ..................................................................................................5 Protel DXP2021 簡(jiǎn)介 ..........................................................................6 FPGA 的常用開(kāi)發(fā)工具 ........................................................................6第三章 系統(tǒng)硬件設(shè)計(jì) ...................................................................................................8 系統(tǒng)硬件結(jié)構(gòu) ..................................................................................................8 CCD 硬件設(shè)計(jì) ...............................................................................................8 CCD 工作原理 ......................................................................................8 CCD 的主要特性參數(shù) ..........................................................................9 CCD 驅(qū)動(dòng)電路設(shè)計(jì) ............................................................................11 AFE 電路設(shè)計(jì) ...............................................................................................14 AFE 功能分析 ....................................................................................14 VSP5010 簡(jiǎn)介 ....................................................................................14 FPGA 硬件電路設(shè)計(jì) .....................................................................................18 Cyclone 系列 FPGA 簡(jiǎn)介 ..................................................................18 JTAG 口及 AS 模式接口 ...................................................................19 PCB 板的設(shè)計(jì) ...............................................................................................20 PCB 設(shè)計(jì)常識(shí) ....................................................................................20 PCB 具體設(shè)計(jì) ....................................................................................22 系統(tǒng)硬件的焊接和測(cè)試 ................................................................................25第四章 FPGA 設(shè)計(jì) ......................................................................................................28 FPGA 設(shè)計(jì)方案 .............................................................................................28 IV TCD1501D 驅(qū)動(dòng)時(shí)序模塊設(shè)計(jì) ....................................................................28 VSP5010 配置接口模塊設(shè)計(jì) ........................................................................30 雙口 RAM 模塊設(shè)計(jì) .....................................................................................32 采控主模塊設(shè)計(jì) ............................................................................................33結(jié) 論 .........................................................................................................................34致 謝 .........................................................................................................................35參考文獻(xiàn) .........................................................................................................................36附 錄 .........................................................................................................................370第 1 章 緒論 論文的研究背景及意義電荷耦合器件(Charge Couple Device,簡(jiǎn)稱 CCD)是一種光電轉(zhuǎn)換式圖像傳感器,它是由美國(guó)貝爾(Bell) 實(shí)驗(yàn)室的 和 在 1969 年秋發(fā)明的。CCD 利用光電轉(zhuǎn)換原理把圖像信息直接轉(zhuǎn)換成電信號(hào),將待測(cè)物入射到CCD 光敏面上的光強(qiáng)分布信息轉(zhuǎn)換成電荷量信號(hào),按指定時(shí)序一路或多路串行輸出,電荷量信號(hào)經(jīng)必要的調(diào)理電路和處理軟件處理再現(xiàn)原待測(cè)物的信息,從而實(shí)現(xiàn)了非電量的電測(cè)量。同時(shí)它還具有體積小、重量輕、噪聲低、自掃描、工作速度快、測(cè)量精度高、壽命長(zhǎng)等諸多優(yōu)點(diǎn),自其被發(fā)明的四十年來(lái),受到人們的高度重視,CCD 現(xiàn)在已經(jīng)成為光學(xué)圖像獲取的主要器件。CCD 器件按其感光單元的排列方式分為線陣 CCD 和面陣 CCD 兩類(lèi),如圖 11和圖 12 所示。對(duì)于面陣 CCD 來(lái)說(shuō),應(yīng)用面較廣,如面積、形狀、位置等的測(cè)量。面陣 CCD 的優(yōu)點(diǎn)是可以獲取二維圖像信息,測(cè)量圖像直觀。缺點(diǎn)是像元總數(shù)多,而每行的像元數(shù)一般較線陣少,幀幅率受到限制,而線陣 CCD 的優(yōu)點(diǎn)是一維像元數(shù)可以做得很多,而且像元尺寸比較靈活,幀幅數(shù)高,特別適用于一維動(dòng)態(tài)目標(biāo)的測(cè)量。圖 11 面陣型 C
點(diǎn)擊復(fù)制文檔內(nèi)容
畢業(yè)設(shè)計(jì)相關(guān)推薦
文庫(kù)吧 www.dybbs8.com
公安備案圖鄂ICP備17016276號(hào)-1