相位掃描 的英文怎麼說

中文拼音 [xiāngwèisǎomiáo]
相位掃描 英文
phase scanning
  • : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
  • : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
  • : 掃構詞成分。
  • : 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
  • 相位 : phase position; phase
  1. The sequence analysis revealed that the as1 gene encodes a myb protein, which is a candidate transcription factor. in as1 and as2 mutants, the polarity formation in leaves is defective. cell differentiation along abaxial - adaxial, proximal - distal and media - lateral axes all shows an insufficient fashion

    通過電鏡、干涉差顯微鏡、組織切片、過量表達等手段研究了as1和as2的功能,包括觀察觀察突變體的組織、細胞結構及早期發育狀況,同時採用gus表達、 rt - pcr 、原雜交、 northern等手段分析基因的表達情況。
  2. 0, the correlation coefficient it the highest and also sensitive to the change of azimuth angle. it is unfavorable to retrieve

    而順壟關系數最高,且對方角變化敏感,不利於
  3. 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關確定嵌入置、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。
  4. 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-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-實驗,誤碼率不大於0 . 0026 。
  5. By making some assumptions, collision frequency were presented. then the the flocculation kinetics model was established through population balance equation. comparison of experimental data and modeling results indicate that there are the same trend between the two. so the model can predict floes number and size during flocculation of yellow river ' s loess particles without using empirical parameters. the tem and sem were used to obsever floes in the study of floe structure. the flocculation was divided as flocculi, floc and floe aggregate. the floes structure model was established by assumption that particles position in floe accords with tetrahedron. the fractal dimension of model and experimental floes was found to be coincidentso the model can reflect the structure of flocs formed in flocculation of yellow river ' s loess particles by macromolecule flocculant at a certain extent

    最後,本文還對絮凝動力學和絮體結構進行了研究,在前人研究的基礎上,針對高分子絮凝黃河泥沙,對絮凝過程作了一些符合試驗條件的假設,建立了顆粒碰撞頻率表達式,應用了顆粒數量平衡方程,從而建立了絮凝過程的動力學生長模型,模型計算結果與試驗數據對比表明,二者趨勢一致,在沒有使用經驗參數的情況下基本上能夠述黃河泥沙絮凝過程中絮體數量和尺寸分佈的變化過程;對絮體結構的研究中,應用電子顯微鏡和透射電子顯微鏡對絮體進行了觀察,將絮體分為絮粒、絮團和絮網三個不同的生長階段,通過假設顆粒結合置符西安建築科技大學博士學論文合正四面體,建立了絮體結構模型,計算得到的模型絮體分形維數基本與試驗中的實際絮體符,在一定程度上能夠反映高分子絮凝黃河泥沙生成的絮體結構。
  6. Secondly, this paper illustrated the nonlinear phase dynamic theory of the aia array and the application of it to power - combining and beam - scaning technique. according to these theories, the coupling parameter of nearest neighbors was found by experiment, then the two - element and three - element aia array were designed, and the result of measurement was in agree with that of the nonlinear phase dynamic theory, and the beam - scaning of two - element array was realized by tuning the free oscillation frequency of the elements

    其次,本文討論了有源集成天線陣列的非線性動態理論以及它在功率合成和波束方面的應用,包括同步工作條件、穩定條件和動態方程等,通過實驗確定了陣列中鄰單元間耦合參數,並將之運用於有源集成天線二元陣和三元陣的設計,實驗結果與理論結果吻合較好。
  7. Integrating tynman system with polarized system together, the laser interferometer is compatible for the surface with different reflectance. first, on the basis of synthesizing different interferometric microscope, the author introduced a kind of lase interferometer combining polarized interferometry and real - time phase detection algorithms. first, a kind of optical configuration is introduced, which is realized in the above interferometer

    本文在分析了國內外不同干涉顯微系統的基礎上,根據干涉顯微測量方面的需求提出了採用偏振干涉和條紋方式實時檢測波面的激光干涉顯微系統,提出了一種可用於表面微觀輪廓及粗糙度參數測量的光學顯微干涉系統的光路,然後介紹了條紋波面實時檢測技術以及四步移法,並在此基礎上完成了光學系統及關的機械結構。
  8. Every phased - array rader needs thousands of phase shifters, which control the phase of radiator elements in the antenna aperture surface to scan beams fast

    每部控陣雷達需要上千個移器,才能控制天線孔徑面上各輻射單元的變化進而實現快速
  9. Phase array radar can scan beams fast by controlling the phase of radiator elements in the antenna aperture surface, which shows many excellences such as agility, change celerity and multifunction. therefore, phase array radar is fit for the necessity of combat readiness

    這種雷達通過電的方式控制天線孔徑面上各輻射單元的變化,以實現波束的快速,使其具有靈活、變化快速、多功能等優點,適應戰備需要。
  10. In recent years, the worldwide researchers pay much attention to fourier telescopy. it is an active imaging technique that encodes the information in the temporal instead of spatial domain, then receives the speckle and deposed of it to reconstruction the object image. now, the high - resolution technique is under the condition of deeply researched

    它是一種主動式干涉成像技術,這一技術通過時域內的的調制完成直線條紋對目標的,從而達到對深空目標頻譜的抽樣,然後接收其散射回波,對回波信號進行處理,進而還原出目標的像。
  11. 4 a block diagram of phased array radar used which is used to measuring the distance, velocity and azimuth of the object in the horizontal plan and the highness in the vertical plane

    4給出了水平方向採用二維譜估計技術測距離、速度和方,垂直方向採用波束測高的小型車載控陣雷達系統框圖。
  12. 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?梅林變換域只有受到影響的特點,從其中提取幾何失真信息,然後再進行應的失真補償,從而消除幾何失真的影響;對于列印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。
  13. 4. make the ruling experiments for vls grating using the phase scanning method. analyze the ruling error primarily

    4 、採用相位掃描方法進行了變柵距光柵的刻劃實驗,並對刻劃誤差進行了初步的分析。
  14. Since the space increment within nanometer or sub - nanometer is required, it is difficult to make it only by improving the precision of the graduation system. a phase scanning method for fabricating the vls grating is suggested initially in this dissertation

    實驗結果表明,本文捉出的相位掃描方法原理正確,具有創新性,達到了變柵距光柵所要求的亞納米級的柵距變化精度。
  15. The radiation patterns with and whitout radome are calculated, and the angle difference in the maximum field point of their main clot show the bse of the radome, the bse from - 15 degree to 15 degree in direction, that been calculated and compared with the excited experimented data shows they coincide quite well

    有天線罩時的遠區場和沒有天線罩時的遠區場比較,兩個主波束對應的角度差即是天線罩的瞄準誤差,本文對方角從負15度到正15度進行分析。
  16. And based on these theories and methods, an image retrieval by region units is presented. first, when scan image orderly, continuously incorporate neighbor similar pixels in color and get several region units. then, write the values of color, shape, and position into database

    基於這些理論與方法,提出了一種以區域塊為單的圖像檢索方法,其基本思想是在順序圖像的同時,運用遞歸演算法不斷合併四鄰域似顏色象素得到若干區域塊,同時記錄下區域塊的顏色、形狀和置等量化特徵。
  17. The coordinate systems and time systems are described in detail at first, then the paper presents the whole algorithm containing line of sight generation and projection attitude data combination scan mirror calibration, find corresponding grid cell, resample. at the same time, scan gaps and detector delays are analyzed in detail

    論文首先對校正過程中用到的時間系統和坐標系統作了介紹,然後給出了完整的校正演算法,包括視線產生和投影、姿態合成、鏡校正、尋找校正圖像空間像素到未校正圖像空間的對應像素置、重采樣這幾個部分,並在行間隙的插值上採用了簡潔的方法。
  18. 3. put forward the phase scanning method for vls grating and design the scanning device correspondingly

    3 、提出了相位掃描的方法,設計並製作了應的相位掃描裝置。
  19. The experiments show that the phase scanning method is right and innovative and the ability of the sub - nanometer space increment is reached. since it only require an extra phase scanning device, the whole system has higher reliability and practicability

    由於該方法只需在現有的光電式光柵刻劃機上附加相位掃描裝置,因而系統的整體可靠性更高、更實用。
  20. Nation modified platinum electrode ( 1 ) the nitric oxide in the medium of natural seawater was determined using nafion modified platinum electrode for the first time, the best conditions are found as follows : the time of exclusion of oxygen bubbled with nitrogen for the electrochemical cell is 30min, the preparation time of saturated solution is 30min, the enrichment time is 5min and the electrochemical responses of the modified platinum microelectrode to no were evaluated by scanning from 0. 2v to iv

    主要研究結果如下:一、 nafion修飾鉑電極1首次用nafion修飾鉑電極對天然海水介質中的一氧化氮進行了測定,確定了最佳實驗條件,即反應池通氮除氧30min , no飽和溶液的制備時間為30min ,富集時間是5min ,電范圍0 . 2 1 . 0v ,並且確定了nafion修飾電極的檢出限是1 mol l ,線性范圍1 76 . 9 mol l ,關性良好。
分享友人