掃描轉換 的英文怎麼說

中文拼音 [sǎomiáozhuǎnhuàn]
掃描轉換 英文
scan conversion
  • 掃 : 掃構詞成分。
  • 描 : 動詞1. （照底樣畫） copy; depict; trace 2. （在原來顏色淡或需改正之處重復塗抹） retouch; touch up
  • 轉 : 轉構詞成分。
  • 換 : 動詞1. （給人東西同時從他那裡取得別的東西） exchange; barter; trade 2. （變換; 更換） change 3. （兌換） exchange; cash
  • 轉換 : change; transform; convert; switch
  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. Based pc, d / a convertor and 2 - dimension galvanometer scanning system, laser marking control system is built. coordinate data scanned and kept in the computer are transformed into the analog signals by d / a converter, then control the galvanometer to deflexion

    基於pc 、 d / a轉換器和二維振鏡掃描系統搭建激光打標機控制系統，將存儲在主控計算機的掃描坐標點的坐標數據通過d / a轉換，將數字信號轉換成模擬信號來控制振鏡偏轉。
  3. In the system, the collimation semiconductor laser - scanned beam scanning two perpendiculars direct of one plane of the measured workpiece at the same time is made. the beams with the dimension information of two perpendiculars direct are processed by the scanning receive system, the high - speed photoelectric transition and electronic data process. two measured results of the diametric directs and ellipse tolerance, etc, parameter, of the turning workpiece on the same plane are obtained by non - contact automatic measurement

    在單向激光掃描檢測技術的基礎之上，提出了一種雙向激光掃描檢測系統，其採用激光掃描檢測技術與特殊光學系統相結合，用準直半導體激光掃描光束對被測工件徑向某一截面的兩個相互垂直方向同時掃描，經掃描接收光學系統、高速光電變換、電子學系統和微機數據處理系統，對將攜帶有垂直方向被測量信息的光束進行處理，實現了回轉體工件同一截面兩個垂直方向的徑向尺寸和橢圓度等參數的非接觸自動測量，解決了同時非接觸測量回轉體零件同一截面兩個徑向尺寸的難題，它具有高速，高精度和非接觸自動測量等特點。
  4. The watermark algovithm can resist the physical transfer of printing and scanning by applying techniques such as fixation normalization mutually which can secure the embedding position, chaotic encipher encryption, multipassage embedding and so on. what ’ s more, the watermark designed in this essay is binary image. it can bear a large amount of information

    本文綜合運用了歸一化相關確定嵌入位置、混沌加密、多通道嵌入等技術，使得本文所設計的水印演算法能夠抵抗印刷和掃描的物理轉換過程，同時本文所採用的水印是二值圖像，能夠承載大量的信息。
  5. For the anticounterfeiting of printings ( such as certificate ), the existent many ways ( such as rainbow holograms ) are not available as the need for special use : anti - distortion and anti - copy. basing in the double - random - phase transform, this article puts forward a new way that two - dimensional bar code is used as anticounterfeiting label with anti - printing ? scanning and anti - damage properties. the major job are : ( 1 ). basing in the ascii codes, numerals and alphabets are encoded and subsequently transformed into two - value bar code matrix figure. later, using amplitude - based double - random - phase transform, the enciphered gray scale figure is formed. by computer simulation ( 4f system ) and printing as well as scanning ( 20 times ), we get the result that the gray scale figure with little miscoding rate ( 0. 0026 ) by “ matrix expanding way ”

    本文主要開展了以下三項研究工作: （ 1 ） .用自定義編碼方案，將數字和字母（ ascii碼）轉換成二值條碼圖;對該圖形進行振幅型雙隨機相位加密變換，得到原信息的加密灰度圖;通過4f光學系統計算機模擬和列印-掃描實驗，證明本文提出的「矩陣擴展法」灰度圖具有較小的誤碼率，對於20次列印-掃描實驗，誤碼率不大於0 . 0026 。
  6. An optical scanner can actually read characters and transfer them to the monitor screen of a computer

    光學掃描儀能讀出字元，並將其轉換到電腦顯示屏上。
  7. Abstract : this paper describes the procedure required for an image geometric operation. a actual example for converting image of scanning beam form to coreline form is given

    文摘:介紹了圖像幾何運算的兩個步驟，並以按水平掃描線排列的數字圖像轉換為按外極線排列的圖像為例，具體闡述了圖像幾何運算的方法。
  8. Components, structure and surface morphology of the resulted films were identified by fourier transform infrared ( ftir ) spectroscopy, x - ray diffraction ( xrd ) and scanning electronic microscopy ( sem ). the analyses showed the content of cubic boron nitride in the resultant films on substrates was rather high and crystal particles of c - bn with uniform size, smooth crystal plane and regular shapes ( quadrangle and hexagon ) densely arrayed on the substrate

    傅里葉轉換紅外吸收（ ftir ）光譜儀、 x射線衍射（ xrd ）儀和掃描電鏡（ stm ）的測量結果顯示，基底上的bn膜中立方相含量很高，且晶粒大小均勻、排列緻密，晶形呈規則的四角和六角形。
  9. First, resistance to geometrical distortion was obtained by using moment normalization ; second, we focus on the phase of fourier - mellin transform. before detecting watermark, synchronization could be retrieved by using the phase information. to eliminate the influence of pixel value distortion generated during print / scan process, a dft - based robust watermark algorithm was designed, which could successfully detect watermark from a severe distorted image

    另一種思路是根據圖像經過旋轉、縮放、平移后，其傅立葉?梅林變換域只有相位受到影響的特點，從其相位中提取幾何失真信息，然後再進行相應的失真補償，從而消除幾何失真的影響；對于列印掃描過程產生的像素值失真，本文也提出了一種基於dft的魯棒性演算法，能在較嚴重的圖像失真情況下，成功檢測水印。
  10. In the experiment, we use the he - ne laser and the semiconductor laser as the source, record the bessel beam patterns behind the axicon by using a digital camera and a microscope, measure the radius of the bessel beam central spot by film - scanning and measure the effect of both the radius of the aperture and the open angle of the axicon on the maximum non - diffraction distance. the experiments show that a specific propagating range has constant power and the beam has a bessel - like distribution in this range. the results agree with the beam corresponding to a diffraction free beam

    同時我們還採用膠片掃描的方法測量了無衍射光束的中心光斑尺寸，測量了不同光闌孔徑和不同稜角情況下的最大無衍射距離和傳播軸附近橫截面內微小光孔中的光強，實驗結果顯示當激光光束經過軸棱錐轉換後有一段距離功率變化很小，且分佈近似貝塞爾分佈，符合無衍射光束的特性;經過聚焦后，呈現三維分佈中空的光束bottlebeam ，實驗結果與理論分析基本吻合。
  11. The dvd recent three stars face toes the chinese consumer, releases the world the section 1 to make to order for high and clear degree television to broadcast the, namely three stars the dvd - hd938, it can pass the general port to realize the pal system the type bottom to is every other line with the line painting quality for scanning outputting 576 is 576 p, can emerging the export surplus commonly even pal system type line scanning ; but the adoption image strengthen the technique to ask for help the dvi port to can more realizes 1080 is 720s p exportation result. more important, pass to see the format conversion of the, and the can of high and clear degree television is produceding can attain of distinguish the rate. 1080 is 720 p

    慧聰影音商務網最近三星面向中國消費者，推出了世界第一款為高清晰度電視定製的dvd播放器，即三星dvd - hd938 ，它可以通過一般埠實現pal制式下隔行和逐行掃描輸出576i 576p ，能夠展現出超過普通甚至pal制式逐行掃描的畫質而採用影像增強技術藉助dvi埠更可以實現1080i 720p輸出效果。更重要的是，通過視頻的格式轉換，可以產生高清晰度電視所能達到的解析度1080i 720p 。
  12. Through these ways the main controlling system controls the brightness, contrast, saturation of output pictures. at the same time cpld technology is adopted to produce all kinds of controlling signals and reduce the volume and the power consumption

    為了便於豐控系統控制掃描轉換器的輸出圖像的亮度、對比度和色飽和度，掃描轉換器提供了rs - 422和rs - 232兩種通信方式。
  13. Study on the laser scanner is very important since fluctuate of rotating speed of the motor, wobble of the shaft of the laser scanner, tremble introduced by motor changing phase, shake generated out of dynamic balance, turbulence introduced by the deflector rotating at high speed have an influence on rotating shaft and light beam so as to decrease quality of the laser imagesetter

    轉速的波動、掃描器主軸的晃動、電機換相過程中的抖動、動不平衡產生的震動、轉鏡高速旋轉產生的湍流對轉軸和光束的影響等諸多因素，直接影響激光照排的質量。所以，對轉鏡式激光掃描器的研究有十分重要的意義。
  14. Current tv system has two types : one is the 60hz based system, the other is the 50hz. the phenomenon of large area flicker is not obvious in the 60hz based system, so the scanning converter uses the way of converting the 60hz and 50hz based interlaced scanning signal to 60hz based progressive scanning signal. employing this way the converter can not only reduce the large area flicker and interline twitter, but erase the raster and display finer and smoother pictures

    現行的電視制式有60hz和50hz系統兩種，在60hz系統里，大面積閃爍不是很明顯，因而本掃描轉換器採用將60hz和50hz的隔行掃描信號統一處理成60hz的逐行掃描信號的方法，這樣可一方面使大面積閃爍和行間閃爍都比較輕，又可消除行結構，重現細膩圖像。
  15. This dissertation first discusses the two - dimension interpolation algorithm and coordinate rotation digital computer algorithm involved in the process of designing system. then the paper particularly probes into the research and development of b - mode digital scan converter, m - mode digital scan converter and graphic circuitry in the digital scan conversion system

    本文首先對系統設計過程中引入的二維線性插值演算法和坐標旋轉數字計算演算法進行了討論，然後著重論述了數字掃描變換系統中的b型數字掃描變換器、 m型數字掃描變換器和圖形界面電路的原理、設計與實現。
  16. To display animations with raster systems, animated objects ( which may consist of graphical primitives such as lines, polygons, and so on ) must be scan - converted into their pixmap in the frame buffer

    為了在光柵系統中顯示動畫，必須將運動物體（由如線，多邊形這樣的圖元組成）經掃描轉換變為可在幀緩存放的位圖。
  17. To show a rotating object, we can scan - convert into the pixmap successive views from slightly different locations, one after another

    比如要顯示一個旋轉的物體，我們需要在前後連貫，變化不大的視點上一次接一次地進行掃描轉換。
  18. The scanning converter comprises five parts : video signal decoding, data reconstruction, progressive video signal encoding, control signal producing and communication

    掃描轉換器包含了電視信號的解碼、解碼后數據的重構、逐行信號編碼、控制信號的產生以及通信五部分。
  19. Correcting manually for vectorized errors is needed and it is a time - consuming process. research on improving output data qualities from vectorization system is significant for enhancing performance of raster - to - vector systems. in this dissertation, the author presents a recognition quality evaluating mechanism that provides the system with the ability of measure the quality of each primitive generated

    本文圍繞這一主題開展矢量化工程圖的后處理技術研究，提出「基於識別質量評價」的矢量圖素錯誤自動判別和校正的解決方案，使得圖紙掃描轉換系統不但具有產生矢量化數據的能力，而且具有對所產生的矢量數據的質量進行評價分析和自適應校正的能力。
  20. Engineering drawing recognition technique aims at converting scanned engineering drawing images into vector formats compatible with popular cad systems. getting a vectorization result with sufficient accuracy is the basis for further drawing interpretation. unfortunately, none drawing conversion systems can achieve the satisfactory recognizing accuracy

    工程圖自動識別技術旨在將掃描工程圖像轉換為與各種cad系統相兼容的矢量數據格式，精確的矢量化結果是進一步進行圖形理解的基礎，然而當前的圖紙掃描轉換系統均未能取得令人滿意的圖素識別精度，矢量化結果中的錯誤只能依靠人工交互校正。
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