直線對準 的英文怎麼說

中文拼音 [zhíxiànduìzhǔn]
直線對準 英文
adjusting to a line
  • 直 : Ⅰ形容詞1 （成直線的; 硬挺的） straight; stiff 2 （跟地面垂直的; 從上到下的; 從前到后的） erect; v...
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 對 : Ⅰ動詞1 （回答） answer; reply 2 （對待; 對付） treat; cope with; counter 3 （朝; 向; 面對） be tr...
  • 準 : Ⅰ名詞1 （標準） standard; guideline; criterion; norm 2 （目標） aim; target Ⅱ動詞1 （依據; 依照）...
  • 直線 : 1. （不彎曲的線） straight line2. （急劇的） steep; sharp
  1. First the sketch / datum plane is fitted by least - square distance, then the extruded direction or axis with the flank points of the cloud is extracted in quadratic paogramming arithmetic, and certain points projected to gain 2d sketched datas. feature points are defined to segment the sketch datas, and the sketch profile is generated by fitting separately the line and circle segment

    使用最小二乘方法擬合草圖基準平面，採用二次規劃方法提取拉伸方向和旋轉軸線，然後將數據點投影以獲取草圖數據，通過柵格劃分提取草圖邊界輪廓數據，再對這些邊界數據進行基於特徵點的分割，以直線和圓弧段擬合出草圖輪廓。
  2. It is shown by analyzing large test data that the empirical formula presented in the paper has higher linearly dependent coefficient, lower average relative error and relative standard deviation compared with the traditional empirical formula of orthoscopic and power function

    試驗數據表明，本文提出的經驗公式比傳統的直線式和冪函數式經驗公式的線性相關系數更高，且平均相對誤差和相對標準差都低。
  3. This paper introduces the radiographic examination procedure of the primary pump of 900mw nuclear power unit, including the requirement about the radiographic examination equipment such as the radiation sources, films, penetrameter, etc. ; the radiographic process when using the rectilinear accelerator, and the development & examination of radiographic files, defects examination and acceptance criteria, with the expectation that this introduction be useful for reference to the promotion of 1000mw nuclear power primary pump localization in china

    摘要介紹了嶺澳核電站主泵泵體製造過程中的射線探傷工藝過程，包括對膠片、象質計及底片的要求、直線加速器透照工藝、底片沖洗及黑度要求以及缺陷評定和驗收標準，以期對我國今後百萬千瓦級主泵泵體的國產化有所裨益。
  4. From the result we get the following conclusion : for narrow - band signal, the effect of the method based on fft is best. for wide - band signal, when snr is up to certain degree ( higher than - 7db or so ), the curves of square error of modified methods are more obvious and closer to crb. for an echo composed of more than one frequency or direction, space - frequency distribution could show more direct information of frequency and direction, which is more advantaged to make precise judge and estimation for doa of echo

    從估計結果發現，對于窄帶回波信號，基於fft的方法估計性能大大優于其他方法；對于寬帶回波信號，在信噪比達到一定程度（高於約- 7db ）時，補償后的幾種估計法的性能改善均比較明顯，誤差曲線越來越接近crb曲線；對于回波中存在多頻率多方位的情況，空間?頻率分布圖能提供較為直觀的頻率及方位信息，因此應用空間?頻率估計法來進行方位估計，更有利於進一步對回波的具體方位進行準確判斷和估計。
  5. The position and size of the monochromator, focusing curvature radii and tilting angles of the germanium focusing monochromator under different different take - off angle, size and divergency of the second collimator and intensity loss due to the use of it were determined. the neutron flux at different wavelength, under different reflection and take - off angle of the monochromator and divergency of the first collimator, were given. the simulation on the aperture used for limiting beam size in front of the sample showed that, smaller the size of the aperture and further the distance from the aperture to the sample, greater the loss of the intensity and more serious the spread of the beam along vertical direction at the sample position which makes the practical sampling volume greater than expected

    用蒙特卡羅模擬方法對中子應力衍射譜儀的設計方案進行了優化研究，提出了一系列可供參考的數據：確定了單色器的位置、尺寸、垂直聚焦單色器在不同起飛角下的聚焦曲率半徑和傾角；討論了第二準直器的尺寸和發散，以及使用第二準直器造成的強度損失；給出了在不同單色器反射面、起飛角、中子波長和第一準直器發散度的情況下樣品處的中子注量率，以及多種組合情況下譜儀的解析度曲線；對限束方孔的尺寸、距離樣品遠近對強度損失和測量中的影響做了深入研究。
  6. Volume shrinkage of sample results in the increasing of the value of the crystallization rate vc and the decreasing the values of the avrami exponent n in the primary crystallization and s, defined as the relative crystallinity degree when experiment data deviate theoretical predicting straight line. compared with the avrami equation, the price equation hardly makes progress on describing the behavior of polymer later stage crystallization

    樣品體積收縮，導致avrami指數n值減小；結晶速度v _ c值增加；表示實驗值偏離理論預測直線時的相對結晶度_ s值減小；與avrami方程相比， price方程仍不能較準確地描述高聚物等溫後期結晶行為。
  7. Around key corresponds both sides of mobile vehicles, fire, but also can avoid each others attacks, key blanks to machine - gun fire, the direction of the front line, but fairly decent power, in general, a firing can eliminate an opponents chariot

    方向鍵左右，對應戰車的兩側移動，可以瞄準射擊，同時也可以躲避對方的攻擊，空格鍵為機槍射擊，方向為正前方一直線，不過威力還算過得去，一般來說，一次射就能消滅一輛對方的戰車。
  8. Phases straight lines model and not straight lines model based on bp are used to correct the physical parameters and eliminate deflection. the least - square is used to calculate the efficiency of generators

    在物理量校準中利用分段直線回歸和基於神經網路的非線性回歸，對模擬量進行了非線性在線校正來消除誤差；在發電機效率計算中利用最小二乘法實現了發電機效率回歸。
  9. 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

    文章首先簡要地分析了激光自身漂移、大氣湍流等影響激光準直精度的主要因素，然後對系統的激光準直方案進行論證，並確定了無衍射光束的生成方案、高精度自動安平系統的結構方案，最後以ccd為接收器件，通過計算機圖像處理，完成對軌道直線性的測量。
  10. By means of the rectangular d iaphragm and two orthogonal cylinder lens, the collimated laser is shaped, which is stretched and compressed respectively in two different directions, and the l ine source with ideal shape is achieved

    並應用矩形光闌和兩個相互垂直放置的柱面鏡，對準直后的激光束進行整形，分別在不同的方向進行拉伸和壓縮，得到了形狀理想的線光源。
  11. Project phoenix could detect the lighthouse keeper ' s cell phone - but only if its antenna was aimed directly at the lighthouse itself

    鳳凰計? "可以探測到燈塔管理員的移動電話- -當然，前提是天線必須直接對準燈塔。
  12. Through numerous experiment and analysis of scattering characteristic about fat and protein in milk, we find their characteristic about fat and protein in milk, we find their scattering law and establish the correlative scattering model of fat and protein in milk. especially, we adopt surface fitting to break through this problem from theory and technology, without isolating protein from milk, we can directly measure the protein in milk, that is to say, completely realizing the quickly accurate measurement of protein in milk. furthermore, we bring prosperity for the field of measuring multi - ingredient in milk through light scattering theory

    經過大量實驗和對牛乳脂肪蛋白質的散射特性分析，我們找到了他們的散射規律，並建立了牛乳脂肪和蛋白質的關聯散射模型，並採用多元線性回歸的曲面擬合法徹底突破了這一難關，無需把蛋白質從牛乳中分離出來，可直接對牛乳這一復合體中的蛋白質進行測量，完全實現了快速而準確的牛乳蛋白質測試，為利用光散射原理同時測量牛乳多成份這一研究領域開辟了光明而廣闊的前途。
  13. 3 hems must be seam on seam at turn - up to avoid twisting

    折縫袖口及褲腳邊緣時，各個垂直的縫合線必須對準，否則會產生扭布。
  14. Both absolute difference and relative difference among per capita gdps of 14 cities ( prefectures ) increased year by year since 1990 - the absolute difference increased linearly - - and this increased tendency would n ' t change in short period. by counting the discrete and ratio between per capita gdp of every city ( prefectures ) and that of the total province, the relative development speed of every region and the industrial structure of every region, i think that the characteristic of the spatial structure of regional economic difference in hunan is that the area along the beijing - guangzhou railway line in the east of hunan developed fast, while the vast area in the west of hunan developed slowly, so the regional difference increased constantly. on the difference background between the east and the west of hunan, there is the difference between central region and fringe region, for one thing it shows ring difference, namely chang - zhu - tan internal ring, surrounding chang - zhu - tan medium ring, the outermost external ring, the most underdeveloped counties lie on the fringe and mountain regions in the west, south and east of hunan, for another it displays that the peripheral regions of 13 prefectural cities are more developed than the other

    文章還建立了反映基礎設施水平、經濟發展水平、社會發展水平的23個主要指標構成的湖南省區域差異衡量指標體系，在此基礎上，藉助spss統計分析軟體，運用主成分分析法，對湖南省14個市州經濟發展綜合水平的差異狀況進行了研究，結果表明：長沙市的經濟發展綜合水平在14個市州中遙遙領先，反映了湖南省經濟發展空間結構的「單極主導」特徵；通過計算人均gdp的標準差和標準差系數，研究區域經濟差異的總體水平及區域經濟不平衡發展的演變趨勢，發現90年代以來湖南省各市州人均gdp的絕對差異和相對差異都在逐年擴大，其中絕對差異隨年份直線上升，且這種差異擴大的趨勢在短期內難以改變；通過計算各市州人均gdp與全省人均gdp的離差和比率、各市州發展速度的差異及產業結構的差異，認為湖南省區域經濟差異的空間特徵是：湘東京廣沿線地區基礎較好，發展較快，湘西地區發展緩慢，地區差異不斷擴大；通過以縣為對象的差異研究發現在湘東湘西差異的大背景上還有核心區與邊緣區的差異，它一方面表現為長株潭內層、圍繞長株潭的中層、更遠的外層的圈層差異特徵，最落後的縣分佈於湘西、湘南、湘
  15. E xperiments show that the amended method is better than that in reference 12. as the same time the method can combine with the wavelet transformation to locate the characters. by multi - resolution analysis and pyramid decomposition, the edge components with different spatial resolutions and different directions can be acquired, among which, the detail components have the most distinguished texture features standing for the object region, then by further morphological operations, the useless information is greatly decreased and the last object text region is acquired

    分析了各個方向邊緣經小波變換后的特點，用具有良好時頻局部和變尺度特徵的小波分析方法提取出不同空間解析度，水平和垂直及對角線方向的邊緣子圖像，把滿足水平和垂直方向能量閾值區域進行合併，經過去噪后，用對角線方向能量閾值即高高頻能量作為判斷標準，確定是否是真正的字元區。
  16. If a higher accuracy resolution is required, the distances of points to the fitting line can be taken as the judgment standard, and the data eliminated noise points by hough transform can be simulated by the least square method

    當精度要求較高時，可將各擬合點到擬合直線的距離作為判別標準，對經霍夫變換剔除干擾點（或噪聲）后的數據點再進行最小二乘法擬合。
  17. The methods of straightness measurement are mostly about a line, but the straightness of couple lasers is the mainly problem in the system. first the couple laser beams should be calibrated separately. then, the couple laser beams should be aligned, and it is the most important problem in the design

    現在直線度的測量方法多數是對一條直線的直線度進行測量，本文所要解決的主要問題是兩束激光的直線性校準，首先要分別對兩束激光器的直線性校準，然後將兩束激光調到一條直線上，這也是設計中的重點問題。
  18. Experimental results show that the proposed method locates edges more precisely for noised images with straight edges

    實驗表明，對于邊緣主要表現為直線而其他位置光滑的圖像，該檢測方法抗噪聲更強，定位更準確。
  19. Firstly, a rapid and exact method of character recognizing based on image recognition and process theory is presented according to the characteristics of letters and arabic numerals. in this system the recognizing modes are few, but the high exactness and speed must be guaranteed

    在解決紙幣號碼圖像的識別過程中：首先從圖像處理和識別理論出發，針對字元識別模式少、識別準確率高、識別時間短的特點，提出了一種以提取識別字元圖像和直線交點的個數為特徵，然後分類快速識別的識別方法。
  20. The design of the laser and its bracket, neutral density filters, lens, and digital camera are complete in the hardware design ; the image collection and centroid calculation are complete in the software design ; and the experiment of straightness calibration is accomplished. the possible errors are analyzed about the whole system, and some methods to decrease the errors are put forward

    硬體部分主要完成了激光器及其支架、衰減片組、透鏡組和數字相機的結構設計;軟體部分主要完成了圖像的採集和質心的求取;最後進行了直線性校準實驗，並對實驗過程進行了誤差分析，提出了減小誤差的方法。
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