brightness ratio 中文意思是什麼

brightness ratio 解釋
亮度比
  • brightness : 白度
  • ratio : n. （pl. ratios）1. 比，比率，比值；比例；系數。2. 【經濟學】復本位制中金銀的法定比價。vt. 1. 用比例方式表達；求出…的比值；使…成比例。2. 將（相片）按比例放大或縮小。
  1. The control system included the following units : video decode unit, data format conversion unit, fpga controller, cache unit and d / a monitor. the above self - design control unit plus row and column power supply units make the whole fed driving system, thus drove the 25 inch sample and realized color video display. the 25 inch vga sample thus fabricated could display video images, and obtained its brightness 400cd / m2, contrast ratio 1000 : 1, 256 circuit gray scale

    本文介紹了fed驅動系統的工作原理，重點論述了基於fpga的vga級彩色fed新型驅動控制系統的研製，這種新型fed驅動控制系統主要包括視頻解碼電路、數據格式轉換電路、 fpga控制電路、數據緩存電路和d / a監控電路，配合后級列灰度調制單元和行掃描單元，組成完整的fed驅動系統，可以驅動25英寸vga級fed顯示屏，實現彩色視頻顯示，樣機亮度達400cd / m2 、對比度為1000 : 1 ，灰度等級為256級。
  2. This normally black display mode exhibits an excellent contrast ratio, achromatic light transmission, high brightness, low operation voltage and wide viewing angle on the director of parallel and vertical

    研究發現該常黑型顯示模式具有很高的對比度、幾乎無色散、高亮度、較低工作電壓和在水平和垂直方向具有寬視角等特點。
  3. This paper illustrates detailedly the thin groupware auto - adaptive recognition system ; it also illlustrates the procession of capture image and take indispensable foreclose to wipe off noise in order to get boundary easilyer. the recognition system uses " hough " transform method to make the recognition area orientation, and according to the unstable environment such as lights which leads to the change of the image ' s brightness, thresholds picture using an iterative selection method and then growing process for cell image segmentation based on local color similarity and global shape criteria, adaptively gets the best threshold to divide the washer off the background. the recognition system uses the classifier based on minimal - error - ratio bayes method to make decision after getting image characteristic

    本文詳細介紹了薄形組合件自適應識別系統；闡明了圖像的分通道自動採集過程，以及對採集到的原始圖像所進行的預處理方法。通過採用哈夫變換去除偽邊緣點的方法，有效地解決了識別區域的定位問題。針對裝配零件（主要是墊片）薄、小導致圖像信息少、識別難度大，以及材質不一導致採集到的組合件圖像亮度波動等問題，提出了使用最佳閾值迭代法和使用種子填充的圖像串列分割技術，自適應地找出最佳閡值，使墊片和背景分離，從而提取墊片數目信息。
  4. Such a philips system combines color separation and synthesis and is used for reflective lcd display mode. a reflective lcd large screen display system with electronic - addressed mode is constructed. the specification is given as follows : brightness : > 100ansilm contrast ratio : 70 : 1 full color

    在本文的第六章，闡述了利用改造的反射式液晶板，建立的應用philips棱鏡作為分色合色系統的反射式電尋址液晶板投影系統，亮度達到100流明以上，對比度約70 ： 1 。
  5. The results show that 25 inch color fed sample has been fabricated in our lab can display video image and obtain its brightness about 400cd / m2, contrast ratio 1000 : 1, 256 circuit gray scales

    測試結果表明，本實驗室研製的25英寸彩色fed顯示器樣機能顯示彩色vga視頻圖像，亮度達400cd / m2 ，對比度為1000 : 1 ，電路灰度等級256級。
  6. At present, 25 inch color fed sample has been fabricated with the capacity for image processing in our lab. it can display color video and obtains its brightness about 400cd / m2, contrast ratio 1000 : 1, 256 circuit gray scales

    目前，本實驗室已研製成功具有圖像處理功能的25英寸彩色fed顯示器樣機。該樣機能顯示彩色vga視頻圖像，亮度達400cd / m2 、對比度為1000 : 1 ，電路灰度等級是256級，在國內處于領先水平。
  7. Applying dh can enhance the injection ratio, strengthen the confinement to the carrier and enhanced the efficiency of the recombination. this make the brightness greatly enhance

    Dh結構不僅提高了載流子注入比並且加強了載流子限製作用，提高了輻射復合的效率，使得hb - led的亮度大幅度提高。
  8. It offers numerous advantages over conventional ultra high pressure lamps, such as superior color with realistic, high quality flesh tone ; the ability to achieve both high brightness and a high contrast ratio ; and a mercury - free, environmentally - safe product

    它與傳統的超高壓uhp閃光燈相比有著許多優點，如優質真色，高品質真人發聲，同時實現高亮度與高對比的能力及無汞環保產品等等
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