Ccd ( charge coupled devices ) is a semiconductor photoelectric device with particular performance , which is applied widely in some fields such as camera and industry measurement and so on recently Ccd (電荷耦合器件)是一種性能獨(dú)特的半導(dǎo)體光電器件,近年來(lái)在攝像、工業(yè)檢測(cè)等科技領(lǐng)域里得到了廣泛的應(yīng)用。
A system that can monitor the track state by means of ccd ( charge coupled device ) array and infrared led ( light - emitting diode ) is designed in the thesis , which named track state dynamic inspection device 本論文設(shè)計(jì)的是利用線陣ccd (電荷耦合器件)和紅外線光源對(duì)軌道不平順參數(shù)進(jìn)行檢測(cè)的“軌道狀態(tài)動(dòng)態(tài)檢測(cè)裝置” 。
Ccd ( charge coupled devices ) , as a solid - state tv camera tube , is widely used in many fields for its high nicety , high sensitivity etc . however , just because of its high sensitivity to light , it is easily disturbed or damaged by laser Ccd ( charge - coupled - device ) ,作為一種固體成像器件,以其高分辨力?高準(zhǔn)確度,尤其是高靈敏性的特點(diǎn),廣泛應(yīng)用于民用和軍事領(lǐng)域。
The moving progress of bubbles is continuously traced by ccd ( charge coupled device ) camera , the digital photographs are captured when the experiment is dealt with using image processing technology , then the shape and scale of bubbles along the height can be obtained 摘要使用ccd相機(jī)連續(xù)跟蹤氣泡的運(yùn)動(dòng)過(guò)程,將拍攝的數(shù)位圖像進(jìn)行處理,從而得到氣泡沿床層高度方向形狀、尺寸的變化。
In this system , we employed a newly developed multi - channel photodetector - ccd ( charge coupled devices ) , as well as a concave holographic diffractive grating , to form multi - channel splitting system of spectrum - polychromator . these all solidified the foundation of the fast measurement subsequently 在本系統(tǒng)研究中,采用新型的多通道光電探測(cè)器件? ?電荷耦合器件( ccd ) ,并引入平場(chǎng)凹面光柵構(gòu)成了多通道光譜分光系統(tǒng)? ?多色儀,從而為多通道快速光譜測(cè)量準(zhǔn)備了物質(zhì)條件。
The welding position can be detected accurately through processing the image of arc area collected by the vision sensor ccd ( charge coupled device ) , by the system of image collection and computer - ware , we can recognize the position of the welding line exactly , count out the warp between moving track of robot and the welding line . so we can control the robot ' s act real - timely , the seam tracking accuracy is enhanced efficiently 重點(diǎn)論述焊縫圖像分割和邊緣提取的理論方法,焊縫圖像由面陣ccd攝像系統(tǒng)攝取,通過(guò)圖像采集系統(tǒng)和計(jì)算機(jī)軟件,對(duì)檢測(cè)到的弧焊區(qū)圖像進(jìn)行處理來(lái)準(zhǔn)確地識(shí)別焊縫位置,計(jì)算機(jī)器人的運(yùn)動(dòng)軌跡和實(shí)際焊縫之間的偏差,據(jù)此控制機(jī)器人運(yùn)動(dòng)進(jìn)行實(shí)時(shí)跟蹤,從而有效地提高焊縫跟蹤精度。
So the flow field visualization in intake duct was realized . according to the experimental requirements , tow different transparent intake duct model were designed . a real - time holographic interferometry measuring system was developed , in which he - ne laser was used as light source , and a ccd ( charge coupled device ) video camera was used to grab the interferogram . a intake simulation system was build - up 本文根據(jù)研究要求,用甲基丙烯酸甲酯制作了兩種不同類(lèi)型的進(jìn)氣道透明模型;設(shè)計(jì)并建立了利用he - ne激光器做光源的實(shí)時(shí)全息干涉測(cè)量光學(xué)系統(tǒng);設(shè)計(jì)了一套能夠模擬進(jìn)氣道在某一氣門(mén)升程時(shí)的進(jìn)氣系統(tǒng),用mtv - 1802cbccd攝像機(jī)對(duì)干涉條紋進(jìn)行了實(shí)時(shí)采集。
Magnetoelectricity gear method is a general torsional oscillation measurement method . it has disadvantages on less measure point and improved - needed dynamic characteristic . in the paper a new method of measuring torsional oscillation of the turbine - generator shaft was proposed on the basis of high speed ccd ( charge coupled device ) photography 現(xiàn)行的扭振測(cè)量方法以磁電式齒輪測(cè)量法為主,這種方法存在測(cè)點(diǎn)少,動(dòng)態(tài)特性有待提高的缺點(diǎn),就此本文提出了一種基于高速ccd ( chargecoupleddevice )攝像技術(shù)的汽輪發(fā)電機(jī)組軸系扭振測(cè)量的新方法。
At first , the author analyzed some chief factors such as light beam drift and atmospheric turbulence that affect the precision of the laser collimation in brief . then , the author studied the plan of the laser collimation generating nondiffracting beam and automatic level system with high precision . at last , the author completed the measurement of the straightness guideway by using ccd ( charge coupled device ) as the receiver and computer imaging processing 文章首先簡(jiǎn)要地分析了激光自身漂移、大氣湍流等影響激光準(zhǔn)直精度的主要因素,然后對(duì)系統(tǒng)的激光準(zhǔn)直方案進(jìn)行論證,并確定了無(wú)衍射光束的生成方案、高精度自動(dòng)安平系統(tǒng)的結(jié)構(gòu)方案,最后以ccd為接收器件,通過(guò)計(jì)算機(jī)圖像處理,完成對(duì)軌道直線性的測(cè)量。
In this system , we employed a newly developed holographic filed concave grating as splitting beams element , as well as multi - channel photodetector - ccd ( charge coupled devices ) as spectrum detection . these all solidified the foundation of measurement ; microcomputer control make the system automatic 采用新型的全息平場(chǎng)凹面光柵作為分光元件,并引入多通道光電探測(cè)器件ccd進(jìn)行光譜信號(hào)探測(cè),為光譜反射率的測(cè)量準(zhǔn)備了物質(zhì)條件;采用微型計(jì)算機(jī)控制,達(dá)到自動(dòng)化測(cè)量。