視準常數 的英文怎麼說

中文拼音 [shìzhǔnchángshǔ]
視準常數 英文
collimation constant
  • 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
  • 準 : Ⅰ名詞1 （標準） standard; guideline; criterion; norm 2 （目標） aim; target Ⅱ動詞1 （依據; 依照）...
  • 數 : 數副詞（屢次） frequently; repeatedly
  1. The traditional media ' s audience rate and the frequent reading rate is hard to be accurately counted, the propaganda effect is more difficult to weigh, but, the handle advertisement media, through the traffic operation ticket statistics, can calculated the propaganda target and audience frequency data to the concrete number

    傳統媒體的收視率、收聽率、經常閱讀率均很難有準確的統計數據，宣傳效果更難衡量，而拉手廣告媒介則通過交通運營車票的統計，可以將宣傳對象、受眾頻次的數據精確到具體的數字。
  2. Using the opened thermosiphon of 38x3 as experimental element and water as working fluid, the characteristics of dynamic low load boiling, stable severe boiling heat transfer coefficient and critical heat flux are gotten for the opened thermosiphon at the pressure of 0. 02 - 0. 1mpa and 0. 1 - 0. 8mpa respectively, which makes up the drawback that the opened thermisiphon has not yet accurate boiling heat transfer relationship formulas. by means of experimental results, an opened thermisiphon waste heat recovery boiler is designed for the high temperature gases that the positi e electrode copper refining furnace exhaust, which overcomes effectively the drawback of short life, little capacity and unable to inspect that the closed steel - water thermosion has

    本文以工程上常用的38 3的開口封底為實驗元件，以水為工質，對開啟式熱管內的動態低負荷沸騰、穩態旺盛沸騰及臨界沸騰特性進行系統的可視化實驗研究，實驗壓力為0 . 02 0 . 8mpa ，實驗得出了38 3的開口封底管在工作壓力為0 . 02 0 . 8mpa和0 . 1 0 . 8mpa下的管內沸騰傳熱系數及臨界熱負荷計算關聯式，彌補了開口封底管? ?這一新型傳熱元件尚無準確的沸騰換熱關聯式的缺陷。
  3. 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。
  4. Through interview and investigation to the audiences and the principles from 6 volleyball clubs in 2005 - 2006 national league matches ’ season, the results indicate that most of the clubs don ’ t have a unified criterion in ticket layout designing. since the advertisement is usually combined with the ticket, it is not convenient for the consumers to get the relative information ; most of the clubs grade the tickets, but the price is usually above audiences ’ expectation which generally is concentrated in 20bmb and 30 ? 50 rmb ; the booking channel is not sufficiently unobstructed in some degree, and 37. 29 % of the interviewed audiences felt inconvenient, 3. 32 % met difficulty buying the ticket. those who consider convenient account for 59. 39 % ; advertisement is taken by most of the clubs as the common promotion strategy, while another promotion way that is to utilize public relation doesn ’ t get enough recognition ; most of the clubs don ’ t launch any market investigation before they make ticket marketing strategy and what ’ s more 4ps strategy unit lacks scientific theoretical basis

    通過對2005 - 2006賽季全國排球聯賽6個排球俱樂部的門票經營負責人員和現場觀眾進行訪問、調查，結果表明:大部分俱樂部的門票版面設計不科學、不合理，缺乏統一的標準，門票和廣告多為聯體型，消費者不易從中獲取信息;大部分俱樂部都制定了不同檔次的門票，門票定價不盡合理，有些偏高，現場觀眾願意接受的全國排球聯賽門票價格集中在20元左右;售票渠道還不夠通暢，在購買門票時仍有37 . 29 %的消費者感到不方便，有3 . 32 %的消費者感到非常難，感到購買門票方便的消費者佔59 . 39 % ;在選擇門票促銷方式時，廣告已經成為大多數俱樂部普遍採用的促銷方式，利用公共關系進行促銷還沒有得到各俱樂部的足夠重視;大部分俱樂部在制定門票市場營銷策略時都沒有經過市場調研， 4ps策略還缺乏科學的理論指導。
  5. A scheme that to use digitalized catv signals in some inner areas while to use microwaves in some areas for where with no probability using the cable network, which is an extraordinary perfect transition measure, efficiency, economy and a shortcut, before the digital television terrestrial broadcasting standards come into practice

    廣播電視部門在地面廣播標準尚未出臺、直播衛星也未開通以前，採用有線電視的標準，利用有線電視數字電視信號，通過微波在有線網路之外進行無線補充覆蓋，高效、經濟、快捷，是一個非常理想的過渡辦法。
  6. To protect both the market and the economic benefit, it ' s greatly necessary to hold ourselves " dtv standard, and it ' s especially important that we could design and produce the critical ic chips for our standard when our standard issued

    無論從市場角度的保護還是從產業經濟利益的保護來看，加速制定我國自己的國家數字電視標準是非常必要的，在標準推出的同時能夠配套設計和生產出自己的核心晶元又尤其重要。
  7. Research of error resilience technology for video communication based on h. 263 codec major : signal and information processing data : author : meng yan signature : tutor : zhang erhu liu shichang signature : abstract the reconstructed image quality can be degraded substantially by errors during the transmitting over the communication channel, especially when the video is compressed by temporal and spatial coding ways, which leads to error propagation in frame sequence, so the error resilience procedure should be performed to improve the reconstruction quality

    由於通信系統的通道不可避免的存在噪聲，傳輸數據流必然存在誤碼。對于h . 26x的視頻編碼流，由於空域和時域的壓縮方法以及熵編碼方法的應用，即使是一個比特的錯誤，常會影響一個區域的圖像不能正確解碼，同時錯誤的圖像還會擴散影響后續數幀圖像。因此有必要在標準解碼程序的基礎上，添加容錯功能。
  8. Now the 2d precision of spatial points is very great, but because by usual correlation fitting method we can transfer gps ellipsoidal height into normal height of the local geoid is considered as mathematical curve plane, it is not conform the fact of mountainous districts so the precision of elevation is so small that it is not satisfied with the requirement of leveling

    目前，地面點的平面位置確定精度已相當高，但高程精度始終未能達到水準測量的要求，因為將gps大地高轉化為水準正常高的擬合推估方法是將局部大地水準面視為數學曲面，常常與實際情況差異較大（特別在西部山區差異更大） 。
  9. For instance, children in third grade who had televisions in their bedrooms - - and therefore watched more tv - - scored lower on standardized tests than those who did not have sets in their rooms

    文章舉例說，如果一個三年級孩子的臥室里放有電視機，這樣孩子就會經常看電視，那麼他在標準化測驗中的分數將低於那些臥室中沒有電視的孩子。
  10. The comparative measurement method for vacuum gauge calibration is introduced. the construction, principle and process of the calibrator are described. the effects of six kinds of gas on the calibrated ionization gauge are explored and relative sensitivity is obtained. the necessity of the calibration on the vacuum gauge and instrument is proved by the research

    文章介紹了對真空規管和儀器進行校準的比對法，闡述了校準系統的結構、原理及校準方法;探討了被校電離規在6種不同的氣體中的校準效果及校準前後的差異，說明了氣體歧視效應的存在和影響，得出了各氣體的相對常數;結果表明，對真空規管及儀器進行校準是必要的。
  11. Petri nets can make strict analyze and imitate in system ? dynamic action but there are more nodes in modeling realistic system, it also lack of effective requirement analyze and modeling method theory guide. unified modeling language is a standard modeling language for visual construct software system model. it syncretizes many merits of object - oriented modeling method and language

    Petri網能夠對系統的動態行為進行嚴密的數學分析和模擬，但是利用petri網對實際系統建模時經常出現節點過多的問題，而且缺乏有效的需求分析方法和建模方法論的指導；統一建模語言uml是用於可視化構造軟體系統模型的標準建模語言，融合許多面向對象建模方法和建模語言的優點，可以直觀化地描述用戶需求、系統的靜態特性和動態行為，但對uml描述的系統模型目前缺乏嚴密而有效的驗證方法和分析模擬方法。
  12. As a mature technology for its static and accurate positioning, is widely used in the fields of geoscience study, geoid survey and other survey applications, which has brought about a new revolution for the methods and ways of survey. the digital photogrammetry can effectively reduce the work of the field survey and alleviate the labor intensity. its output results, such as digital ground model and digital products, can be widely used for engineering construction ; the outlook of its application has a bright future

    Gps靜態精密定位作為一種成熟技術已廣泛應用於地球科學研究、大地測量等各個測繪應用領域，給測量手段和方式帶來了一場新的革命；數字攝影測量技術可以有效減少野外測量的工作量，減輕勞動強度，其輸出成果數字地面模型及其數字化產品，與工程建設結合最為緊密，應用前景非常廣闊；遙感地質技術可為公路規劃和設計從宏觀上提供準確可靠的工程地質資料； cad作為一種可以極大地提高設計效率的有效手段已經被廣泛採用，目前正朝著可視化、動態化、三維化方向發展。
  13. The visualization applied program can be used to render accurately and quickly the graphics of the 3d local gravity and magnetic sources and the terrain on the condition of complex terrain. the program can uncover the spatial extension law of the 3d local gravity and magnetic sources, the user can decide to terminate the boundary inverse or modify the parameter and continue the inverse according to the 3d graphics

    局部重磁場源可視化應用程序能夠準確而快速生成復雜地形條件下的三度異常源和起伏地形的真實圖形，可視化應用程序能夠顯示局部重磁場源的空間分佈規律，用戶可根據生成的三度體圖形，確定是結束邊界反演還是修改相關參數，重新進行邊界反演。
  14. Full - motion video : full - motion video is digitally recorded video played back at the broadcast standard of 30 frames per second, or close enough to that speed so the video appears smooth rather than jerky

    全運動圖像：全運動圖像是以數字方式記錄的視頻圖像，以每秒30幀的電視廣播標準或者非常接近於此的速度重現圖像，因而這些視頻圖像看上去很自然，沒有跳躍感。
  15. Through the event horizon temperature of a kind of manko black hole with mass multipole moment can derive that the value is a constant except singular points, near which the temperature values are irregular. as one of the novel conclusions, such phenomena about the distribution has been paid reasonable explanation

    本文對一類具有質量多極矩的manko黑洞的視界溫度進行了研究，準確地計算出此類黑洞的熱輻射溫度在視界上除內稟奇點處外是常數，而在黑洞視界面的內稟奇點附近的視界溫度出現異常值，並對這種溫度分佈的現象作了合理的解釋。
  16. With the rapid development of digital communication technology, the mature of image compression techniques and the publication of international standards, video communication has came into human ’ s daily life and works

    近年來，隨著數字通信技術的迅速發展，圖象壓縮技術的日漸成熟，以及相關國際標準的制定和網路的興起，視頻通信逐漸應用到了人們的日常生活和工作中。
  17. In the third part, the essences of steganography and disadvanges of common visual perception evaluation, such as psnr and wpsnr are studied. based on analysis local error that is introduced by embedding information, combining hvs, three objective perception evaluation method for steganography performance are proposed, which are based on human visual systems and local statistic error distribution respectively. in the steganalysis part, a steganography security statistic attack model and methods for some steganography methods are presented

    在信息隱藏的性能評價方面，研究了常用的峰值信噪比，加權峰值信噪比等前人提出的感知性能評價準則，指出針對信息隱藏的性能評價不能單純從視覺特性出發，提出從信息隱藏的數據特性和感知特性出發，結合局部特性來考察失真誤差的變化的思想，並據此提出基於局部區域誤差統計分佈和視覺掩模方法評價信息隱藏性能的方法。
  18. According as the base principle of digital video motion parameter estimating, placed emphasis on discussing the block - matching method in motion estimation, gave a intact n - search method, simulated in computer according to the s - vga standard of digital video, and got a accurate motion vectors

    依據數字視頻運動參數估計的基本原理，重點討論了運動參數估計中最常用的塊匹配法，給出了一個完整的n步搜索法方案。以數字視頻演播標準s - vga為標準，採用計算機模擬得到了正確的運動矢量。
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