視亮度 的英文怎麼說

中文拼音 [shìliàngdù]
視亮度 英文
[天文學] apparent brightness
  • 視 : Ⅰ動詞1. （看） look at 2. （看待） regard; look upon 3. （考察） inspect; watch Ⅱ名詞（姓氏） a surname
  • 亮 : Ⅰ形容詞1 （光線強; 明亮） bright; light 2 （聲音強; 響亮） loud and clear; resounding 3 （開朗; ...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  1. A unit of retinal illumination, equal to the amount of light that reaches the retina through 1 square millimeter of pupil area from a surface having a brightness of 1 candela per square meter

    光度視網膜亮度單位，相當于每平方米有一燭光亮度的表面，通過一平方毫米的瞳孔區域，到達視網膜的光線數量
  2. This paper refers to several creation in compatibility with large volume of fed display and conversion of different video signal. it firstly used special central chip al300, designed correlative circuits, successfully developed vga full - color fed console system, compatible with resolution 1280 1024, achieved functions such as multi - video signal conversion and interleaving, met vga ’ s resolution of fed. it firstly designed and fabricated vga interface and separated video interface - - s - video, converting several video signals to 24 bits full - colored digital image signal in fed driving system, achieved separation of luminance signal and chromatism signal, enhanced the bandwidth of luminance signal

    首次採用平板顯示專用控制晶元al300 ，設計並製作了相關配套電路，支持的最高解析度是1280 1024 ，實現解隔行和多種視頻格式轉換的功能，滿足了fed顯示屏對vga解析度的要求。首次在基於fpga的vga級彩色fed控制系統中設計並製作了vga介面和分離電視信號s - video介面，可以將多種視頻信號變換為fed驅動系統可用的24位彩色數字圖像信號，實現亮度信號和色差信號的分離，提高了亮度信號的帶寬。
  3. In order to be the choice of hdtv, different kinds of displays develop much fast in the recent years. the dissertation introduces the development of all kinds of display, and gets the conclusion that, cpt still has the great advantage in the tv terminal field under the condition that the lcd is taking the place of cpt in the cdt field. the main research contents of cpt which includes high - luminance, high - contrast, high - definition, low - power, and complanation, have been investigated

    本文系統地闡述了hdtv用的顯示器件的基本要求及其發展歷史和現狀，介紹了各類顯示器件欲成為hdtv終端顯示近年來所作的努力；總結出了雖然在彩色顯示器（ cdt ）領域，液晶顯示器（ lcd ）已經大有取而代之之勢，但是在電視終端領域，彩色顯像管（ cpt ）還是有其不可替代的巨大優勢；並分析了高亮度、高對比度、高解析度、低功耗、平面化等cpt製造的關鍵技術和研究動向。
  4. 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。
  5. Analysis showed this might be due to the fact that a black hole passed in front of the star. the gravitation of a black hole can function as a convex lens and focus starlight, resulting in transience increase of apparent brightness of the star

    分析顯示，這很可能是因為有一個黑洞在恆星前面經過，黑洞的引力會聚了星光，就像凸透鏡把光線聚焦一樣，使恆星的視亮度增加。
  6. Television - measurement of luminance signal levels

    電視.亮度信號電平的測量
  7. Standard on television : measurement of luminance signal levels

    電視標準:亮度信號電平的測量
  8. This arithmetic divides the wavelet coefficients of carrier image into 27 - classes by the background luminance, the texture and the edge mask character of visual system ; then after encrypting watermark image with magic cube transformation, the ycbcr model is employed, it embeds the watermark sequences in the carrier image with different intensity according to the coefficients " classes of carrier image in y channel

    首先，將載體rgb圖像轉換到ycbcr顏色空間，然後提取亮度通道y ，將其進行小波變換，然後利用人眼視覺模型對載體圖象分解后的小波系數進行分類。其次，對有意義的水印圖像分別進行3次不同的魔方置亂，得到3個隨機水印序列。
  9. The technology is remote distance and no osculant measurement, and the measure instrument can be real time control by pc. the system adopts an optical system equipped pritchard hole reflector. it can provide efficiently optical channel, and it can aim at the distant object and measure brightness and color precise

    本系統採用了裝備有帶孔反射鏡的望遠光學系統，能夠對遠處的測試目標進行亮度與顏色的精確瞄準測量，同時可方便的改變視場角的大小。
  10. In chapter five, the research work focus on color gamut transform correction in panel display. a method of color gamut transform correction which introduces the concept of virtual gamut space is presented to solve the problem of luminance and chromic disuniformity which arises from the differentia of chromic and drive characteristics of each module or pix on the same display panel. and the high quality of image displayed on the panel is ensured

    提出了克服同一種平板顯示屏由於各個顯示模塊（顯示象素）的色度空間特性和中國科學院長春光學精密機械與物理研究所博十學位論文基十擬合逼近理論的平板圖像顯示技術研究基色驅動顯示特性的差異而造成的平板顯示屏色度和亮度分佈不均的有效方法，解決了平板顯示屏的全屏幕亮度、色度一致化的問題，保證了高質量視頻圖像的顯示。
  11. During the pass time, we have taken a lot of experiments of stereoscopic cognition in psychology and physiology and attain some results, include the influence of rds ( random dots stereogram ) contrast, brightness, complexity of disparity area and color to the cognition

    在過去的研究中，我們實驗室已經在立體視覺相關的心理物理和誘發皮層電位方面進行了大量的研究，並取得了一定的研究成果，例如rds圖對的對比度，亮度，復雜的視差區域，顏色等因素對cep的影響的研究等。
  12. Effects of vdt screen luninance and file background illumination on visual proof - reading performance

    屏面亮度和文件背景照度對視覺核讀作業的影響
  13. 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。
  14. According to the characteristic of ieee 1394 with wide bandwidth, common and real - time, the author put forward ieee 13 94 should be applied into real - time digital video transfer in optics - electronics theodolite. before engineering realization, carried out a video image transfer test on three types of digital video tape recorders and camera with ieee 1394 interface. we found that digital videos without compression transfered under ieee 1394 standard ( transfer from 4. 5m to 100m ), compared with analog videos, have no geometric distortion, and have better luminance, contrast, definition

    作為工程實現前的實驗研究，對三類具有ieee1394介面的數字錄像機和攝像機進行了視頻圖像傳輸實驗，發現無壓縮格式的按ieee1394標準傳輸的數字視頻圖像（傳輸距離從4 . 5米到100米之間） ，較原始模擬視頻圖像在幾何位置信息上沒有衰變，而在亮度、對比度、邊緣清晰度這些方面有明顯的優勢；但是按dvcam壓縮格式（常見于sony公司的系列產品，是5 ： 1的dct幀內壓縮）壓縮的數字視頻圖像，較原始模擬參照圖像有明顯的幾何畸變。
  15. Reasonable configuration : high - energy and memory - free battery has a large capacity, and a long service life. and led light source costs less energy and works longer. its service life can reach 100, 000 hours

    工作性能:光源打用特製超高亮度白色led ，可視距離達5000米:具有照明，點動頻閃和元距離信號燈指示功能連續照明時間10小時，充電時間8小時
  16. In improved uep scheme, the syntax elements belonged to luminance parts and chrominance parts was reassigned to different data partitions. those packets containing syntax elements belonged to luminance parts were got error protection at high level so as to guarantee their correctness during transmitting in error - prone network. simulation has shown that using proposed scheme, the packing tradeoff is decreased 8240 bytes in error - free channel and also the output bits and bit rate of coded video stream are decreased 2. 70kbits and 0. 33 kbps respectively

    模擬實驗表明，本方案能在無噪通道中有效降低編碼器端8240位元組的打包開銷和2 . 70kbit的輸出比特數以及0 . 33kbps的比特率，而在有噪通道中可使解碼輸出重構視頻圖像的視覺質量得到一定程度的提高，亮度分量峰值信噪比可增加近1db 。
  17. This will avoid the trouble of hand operation and protect people ' s eyes by its special fuction of maintaining the light stability under fluctuate voltage

    即可減少手動調光的麻煩，又可以保護視力，同時，它具有穩光功能，當電源電壓波動時，臺燈亮度保持不變。
  18. Our lab 502 has successfully researched and developed out a high luminance, high definition and large screen yag rear - projector. it is outstanding in today ' s display devices, has been awarded the second scale of chinese science and technology invention award. we have made a 3x3 video wall system by our yag rear - projector too

    我們502教研室研製成功的高亮度、高清晰度大屏幕yag背投影儀，是新一代顯示設備中的佼佼者，該研究成果獲國家科技發明二等獎，我們採用該投影儀研製成功了3 3電視墻。
  19. Deferring to historical custom, astronomers, measure the apparent brightness of stars through the magnitude scale, a very confusing way.

    按照歷史習慣，天文學家用星等標這種容易使人混淆的方法來度量恆星的視亮度。
  20. We found that the luminosities of type i supernovae are about the same. therefore, we can compute the distance to a galaxy by measuring the apparent brightness of a type i supernova in that galaxy, if we can find one

    科學家發現原來所有這種超新星爆發的光度都是差不多的，所以我們只要找到這種超新星，便可以由它的視亮度推算出它和地球的距離，從而得知它所處身星系的距離。
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