最佳取向 的英文怎麼說
中文拼音 [zuìjiāqǔxiàng]
最佳取向
英文
preferential organization-
The specific research methods are listed : 1. matched filter taking the max ouput snr as the best rule correlates nonstop divided signal and divided echo to detect low snr target signal. then all one dimension divided correlation outs and done fft in portrait to leach interferential signal such as static or low rate mussy meaves, many pathway echo and so on and to take target ' s time difference and doppler frequency that combine parameters that target ' s direction taken from antenna and so on to implement target ' s orientation and tracking
具體研究方法如下： 1 、採用以輸出信噪比最大為準則的最佳匹配濾波器來對分段的參考和目標信號作相關處理來檢測低信噪比目標信號，然後對一維分段相關輸出組作縱向傅立葉變換來濾除靜態或低速的雜波、多徑回波等干擾信號，並提取目標的時差和多普勒頻率，再結合由天線獲得的目標方向等參數，就可以實現目標的定位和跟蹤。It faces to the whole students, advocates the positive participance of the whole students and let 100 % of students obtain the best development, study and research by learning cooperation, the learners can learn from others and learn how to communicate and cooperate in order to obtain high - level result
面向全體學生，主張全體學生的積極參與，讓100的學生得到最佳發展，通過合作學習和研究，學習者可以取長補短，學會相互交流與合作，取得高質量的效果。研究性學習的理論基礎： 1 、接受學習和發現學習相結合的理論。To seek for an optimum plan that properly integrates land resources and taps potential new senses of pride in urban economic development by respecting the history of industrial development and reflecting the scene of modernization in beijing, beijing municipal commission of urban planning and beijing municipal bureau of state land & resources are hereby inviting worldwide urban planning / design firms experienced in property, development, urban planning, urban design, landscaping and track transport design, or joint ventures of such firms, to apply for prequalification, which, as conducted by experts and government agencies organized by beijing municipal commission of urban planning and beijing municipal bureau of state land & resources, is intended to determine about six firms or joint ventures as participants
為了使北京焦化廠工業遺址保護與開發建設的規劃能夠在尊重北京工業發展歷史和展現北京現代化發展風貌的基礎上，通過土地資源的合理整合，挖掘城市經濟發展的新亮點，找到一個最佳的建設規劃方案，現北京市規劃委員會和北京市國土資源局面向全球范圍，公開邀請具有地產開發、城市規劃、城市設計、景觀設計、軌道交通設計經驗的規劃設計機構或由上述機構組成的聯合體前來參加應征資格預審，由北京市規劃委員會和北京市國土資源局組織專家、政府有關部門進行資格預審，通過資格預審選取6名左右應徵人或聯合體應徵人參加徵集。First, binary texture matrixes of horizontal and vertical direction were constructed in the template and target image, and then the prime matching result of the two directions was calculated according to the alogical xor logical operation in bytes and the final target correlation credibility was obtained by proportion sum at last
在模板與目標圖像中分別提取水平、垂直方向上的二值化紋理特徵矩陣，然後根據位元組同或邏輯運算分別計算兩個方向上的最佳匹配值，最後，通過加權求和得到最終的目標相關置信度。According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d
本文首先介紹了ld泵浦nd ： yag激光器的發展狀況、主要特性及其應用，從四能級速率方程出發，推導了ld泵浦nd ： yag激光器的閾值、輸出功率和斜效率的表達式，並簡述了激光器的工作原理、結構型式和倍頻方法；其次，以空間相關的速率方程為基礎，提出了ld端面泵浦nd ： yag激光器的設計方法，給出了一定泵浦耦合方式下，振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據，以此為依據，設計了自聚焦透鏡耦合小功率ld泵浦nd ： yag激光器和透鏡組耦合高功率ld泵浦nd ： yag激光器，對激光器的輸出功率和功率穩定性等特性進行了實驗研究；再次，在帶尾纖輸出的高功率ld泵浦nd ： yag激光腔內插入一隻空液晶盒，觀察到了激光器以單縱模運轉；最後，根據泵浦光焦斑端面位置對激光輸出功率的影響規律，提出了ld端面泵浦nd ： yag激光位移傳感新方法，並進行了理論和實驗研究，研究結果表明：當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時，激光輸出功率的自然指數與泵浦光焦斑的縱向位置成高斯變化規律，測量范圍和靈敏度依賴于泵浦功率，隨著泵浦功率的增加，測量范圍擴大，靈敏度提高，當端面泵浦功率為7 . 24w （最大輸出功率為1 . 926w ）時，激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。We have found the best ways to optimize the growth of quality zno films and got highly c - axis oriented zno films. the microstructures of the films were observed by afm. after analyzing the crystal structures, the crystal tropism and the surface conformation flatness, we found the result that the substrate temperature of 400 ? is ideal for silicon substrates, which conforms to the result of the structure analyse. by analyzing the magnetism of zno films, we found that the films appropriately doped with fe, co ions have magnetism at room temperature and their magnetism can be improved by doping other little cu ion, but it is not certain that the content of cu is higher, the film has more magnetism, so it has the best content of cu. moreover, the films which have best crystal structures may not have the best magnetism
我們採用原子力顯微鏡（ afm ）方法觀察薄膜的顯微結構，利用所得的圖象信息對薄膜的晶粒結構、晶粒取向、表面形態平整度等進行分析討論，認為400的襯底溫度對硅襯底薄膜是合適的，與結構分析的結果一致。通過對薄膜磁性能的分析和研究，我們得出一些有意義的結果：適量過渡金屬離子fe 、 co摻雜的zno薄膜，在室溫下具有鐵磁性，而在此基礎上摻入少量的cu離子能改善薄膜的磁性。摻cu量有個最佳值，而且結構最好的薄膜磁性不一定最好。The main works are shown as followings : in order to get best economic benefits and quickest time response, the advantages and shortages of existing methods for machining twin - screws are analyzed. in view of the production of co - rotating twin - screw is various and mostly in small batch, a new approach for forming cylinder helical surface with milling cutter is put forward. it presents the theoretical foundation for machining of twin - screw
論文主要工作有如下幾點：針對同向雙螺桿產品零件的多品種、小批量的生產特點，為了取得最佳經濟效益和快速地時間響應，在查閱了雙螺桿加工有關的國內外文獻資料，研究分析了雙螺桿各種現有的加工方法的優缺點，提出了一種新的加工方法? ?用圓柱立銑刀成形加工雙螺桿螺旋面。The content of the thesis include many scientific fields, such as nautical mathematics, apparatus, ship navigate, communication, artificial intelligence, computer graphic, graphic management and so on. the function of route planning and advanced navigation in the system is based on electronic nautical chart. it bring forward the grid model in route planning, during the course of route planning, it provide ways to settle all kinds of instance ; it figures out the best head bearing of the ship with the real time transfer data from navigation apparatus to the system, accomplish the advanced navigation function in ecdis
該系統是在電子海圖基礎平臺上來完成航線設計和最優航法功能的，提出了在電子海圖中利用網格模型來進行航線設計的方法，在求取最優航線的過程中，全面綜合地考慮了各種可能出現的情況，並逐一解決；最優航行方法中採用實時獲取船舶導航儀器傳入到系統中的數據，並根據這些數據進行計算，給出船舶當前最佳船艏向，實現基於電子海圖顯示與信息系統的最優航法。The main work completed in the paper is listed as following : 1. image function acquisition -, 2. read bmp files by dib format ; 3. drawing gray scale histogram ; 4. choose a optimum threshold and make gray image become binary image -, s. find image ' s contour points by making inner points become empty and apply template matching on the contour points ; 6. transform the object ' s beginning points ( pixel point ) to the ones in the image coordinate and the positions of in the corresponding three dimensions ; 7. compute the position vector and the normal vector of the object
選擇一個最佳闋值，把灰度圖像進行二值化處理； 5用掏空內部點法，找到圖像的輪廓點，然後在輪廓點上進行模板匹配； 6把輸出的目標物開始點（像素點）轉化成圖像坐標系中的點和對應的三維空間的坐標位置； 7計算目標物的位置矢量和法向矢量，根據機器人抓取面的法向矢量，找到機器人要抓取的平面； 8There are better performances in the films prepared by ba2ca2cu3ox target than by ba2cacu2ox target. the single - phase tl2ba2cacu2o8 hts thin film was obtained with a tc0 of 107k at the optimal tl2o partial pressure and thallination temperature 750. on excursion from the optimal conditions, there exist some impurities in the resultant films resulting in a reduction in tc0 and surface quality with change in the microstructure morphology
研究結果表明，採用成分為ba2ca2cu3ox的靶材制備的薄膜性能要優于成分為ba2cacu2ox的靶材；使用組成式為tl1 . 9ba2ca2cu3oy的鉈片做鉈源時，形成的tl2o分壓達到最佳值；在最佳tl2o分壓和最佳鉈化溫度750的條件下，制備出了純相完全c軸取向的tl2ba2cacu2o8高溫超導薄膜，其tc0高達107k ，膜面均勻平整光滑，呈圓片狀組織；偏離最佳制備工藝參數的條件下，制得的薄膜中都含有一定量的雜相，雜相的生成使得tc0值下降，薄膜表面質量下降，薄膜組織形貌發生變化。This paper introduces the methods of hyperspectral images band selection based on the property of hyperspectral remote sensing images, utilizes the projection pursuit approach to find optimal solutions for a selected projection index based on dynamical evolutionary algorithm and then project a high dimensional data set into a low dimensional data space to produce a sequence of projection images, explores zero - detection method to threshold projection images to detect anomaly tar get
摘要運用基於波段間相關性的高光譜影像波段選取方法進行波段的預選取，採用投影尋蹤的方法在動力演化演算法的基礎上尋找最佳投影方向，將高維數據投影至低維數據空間，在各投影分量圖像上採用零點檢測閾值化的方法進行異常目標的提取。When considering the maximum multiplier effect of the whole economic area we should take a series of measures to improve the mpc of each branch area and the investment in - flow rate of the branch area with a higher mpc as well as the investment outflow rate of the branch with a lower mpc ; also to be considered is the in - flow rate of investment capital to the branch area with a higher mpc
當投資對整體區域的總體乘數效果成為關注的目標時，應當採取措施提高各子區域的邊際消費傾向、邊際消費傾向相對較高的子區域的投資內流比、邊際消費傾向相對較低的子區域的投資外流比、期初投資流入邊際消費傾向相對較高子區域的比例，以獲得投資對整體區域總體乘數效果的最佳化目標。With the using of microsoft visual basic 6. 0, a multimedia computer - aided design system of small type pumping irrigation district is developed in this paper. provided with the live multimedia messages as well as a good man - machine conversation mechanism, this system can help the user to finish the planning of an pumping irrigated area such as the layout of canal system, the selection of pump models, the establishment of the irrigation program, the calculating of canals " parameters, the estimate of the project magnitude, the selection of the field constructions, the economic analysis of the project, the output of results, etc, a new oo ( object oriented ) programming method is adopted in this system, various softwares are integrated in this systems as well by the " automation " technic provided by vb, in addition, the multimedia technic is applied to this system for the first time, it makes the system easy to ope rate. as for the optimization of the canals " section, a new optimization method is adopted based on the existing theories about the canals " section, and in this way, with the purpose of minimizing the project ' s investment as well as a stalized canal, limited by the longituding slope, the canals " best feasible parameters can be deduced. furthermore, a integral method to reckon the earth work is developed in this paper, by this way, the estimate precision of the earthwork is enhanced notably. this paper includes the particular illumination for the developing procedure of each systems " segment, and in the end, the directions of the system are demonstrated in a sample area which lies in the zhaija village, taizhou city, jiangsu province, the running results showed that the initial purposes are achieved effectively, and it has a preferable practicability
在渠道縱橫斷面優化方面，本文在利用已經比較成熟的縱橫斷面優化理論的基礎上，提出以工程總費用最小為目標函數，以渠道縱坡i為控制變量，以渠道不沖不淤流速及灌區允許地面比降為約束條件，通過縱橫斷面聯動優化的方法得到渠道的最佳工程可行的斷面參數。另外，針對部分地區的取土困難的狀況，本文採用積分法計算渠道工程土方量，從而大大提高了土方量的估算精度，有助於準確控制工程投資規模及資金投向。本文詳細闡述了該系統所採用的編程方法、系統構成、系統各組成模塊的開發過程以及灌區規劃所採用的優化方法及原理，最後應用本系統對泰州市翟家村機電灌區進行規劃設計，運行結果證明其操作比較簡便，界面友好，運行速度快，規劃成果合理，基本達到了系統預定的要求，具備較強的實用性。The causes and actuality of enterprises " tax planning have been expatiated in the first part of this thesis, the ultimately start of tax planning has also be stressed, it must be the rational oriented by policies and laws to get prime match of revenue and tax through the effective deployment of capital and resource, and maximization the profit after tax
本文第一部分闡述了企業稅務籌劃的成因與現狀，強調稅務籌劃的根本出發點在於依託稅收政策法規的合理導向，通過資本、資源的有效配置，獲取收益與稅負的最佳配比，從而使稅后利益最大化；並指出了目前企業稅務籌劃存在的主要問題。In chapter 3, we studied the effect of gaussian transverse profile for the driving and laser fields on lasing without population inversion ( lwi ) in a closed v - type system and an open v - type system. moreover, we discussed also the effect of the unsaturated gain coefficient, the cavity - damping rate, the ratio of the atomic injection rates and atomic exit rate on the corresponding systems. in chapter 4, we mainly discussed the effect of doppler broadening on the gain, dispersion and the frequency up - conversion of the open v - type lwi system and compared the differences and the same between the open system and the corresponding closed system
發現： （ 1 ）在考慮doppler展寬的情況下，通過選取合適的實驗室條件（比如合適的原子環境溫度等）可得到合適doppler展寬值，從而使系統獲得最佳增益； （ 2 ）要想實現系統的頻率上轉換，同時又要獲得足夠強的無反轉激光增益，則系統頻率轉換比不能選取的太大； （ 3 ）對于開放系統，比較小的粒子注入速率比與退出速率對產生無反轉激光是有利碩士學位論文摘要的： （ 4 ）由於dopp1oy展寬的存在，當探測場與驅動場的傳播方向相反時，增益在探測場失諧的某一段區域產生振蕩，且振蕩的振幅、頻率失諧范圍的大小與dopper展寬的取值有關。The best time to collect the materials for cloning is discussed in this paper, which is from the end of may to the beginning of june each year. it means there is only a week for the materials to transit from apex dividing tissue to flower inflorescence, but still a little change with temperature every year
實驗探討了克隆成花計時基因最佳的取材時間是，每年的5月末到6月初，頂端分生組織向花原基轉變時的一個星期內集中進行，具體時間隨每年溫度變化做適當調整。The effect of deposited condition, include substrate temperatures, different substrates and annealing on the structural properties of zno films has been studied in considerable detail. it is found that the optimal conditions to deposit zno are below : the substrate temperature of 450c, the substrate of sapphire. the sample on this condition is 0. 3491
通過分析襯底溫度、不同襯底和退火對樣品結構的影響，得到了樣品的最佳制備條件：襯底溫度450 、藍寶石襯底，此條件下制備的樣品具有高度（ 002 ）取向性， （ 002 ）衍射峰半高寬僅僅0 . 3491 ，原子力顯微鏡（ afm ）分析表明zno薄膜具有密集堆積的均勻柱狀晶粒。In this paper, a method to evaluate hardware performance of laser detection system with the array signal estimation is proposed. and the optimally weight vector of array signal can be acquired by the doa estimating of received signals. in order to acquire the maximum output power of expected signals, summation of weight vector is applied
提出用陣列信號源的估計來判斷激光檢測系統硬體性能；用接收信號波達角的估計得出陣列信號最佳權向量；用權向量的加權求和獲取期望信號的最大輸出功率，同時基於davidl . donoho軟閾值理論，進行多層小波降噪，重構原始路面信號。Once projected along [ 001 ] p or [ 0 - 11 ] sj, the planes ( 111 ) si and ( 110 ) p have early 4 ? angle as confirmed by hrem. we also show that no planes with low idices between the two lattices are parallel. therefore, epitaxy growth on ( 100 ) sj corresponding to ( 100 ) p ), or ( 111 ) sl ( corresponding to ( 110 ) p ) would be very ifficult under the optimum orientation relationship because of the slight but efinitely present deviation angles
我們還了解到兩種晶格間不存在完全平行的低指數晶面，當採用最佳取向外延生長時，無論是選擇（ 111 ） s ； （與（ 110 ）肥配）或（ 100 ） s ； （與（ 100 ） p相匹配）都很困難，因為1 ） s ；與豆0 ）和o0o兒與o ）間總是有一定的轉角，這就很容易形成界面臺階，惡化界面狀況。For the sake of further understanding the p - fesi2 / si orientation relationships, e calculate the orientations by grain boundary orientation theory. the best p - fesi2 / si orientation relationship is situated in the vicinity of ( 100 ) p / / ( 100 ) si, [ 010 ] p / / 011 > si, with small angular deviations for adapting to the lattice mismatch
最佳取向關系都在（ 100 ） p （ 100 ） s計n10兒八011 ；附近，但不完全與之相同， x 、 x 、 z方向都有小的轉角，從理論上證實了取向關系要通過轉角來調整失配。分享友人