相位均勻性 的英文怎麼說

中文拼音 [xiāngwèijūnyúnxìng]
相位均勻性 英文
phase uniformity
  • 相 : 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...
  • 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...
  • 均 : Ⅰ形容詞（均勻） equal; even Ⅱ副詞（都; 全） without exception; all
  • 勻 : Ⅰ形容詞（均勻） even Ⅱ動詞1. （使均勻） even up; divide evenly 2. （分出一部分） spare
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 相位 : phase position; phase
  1. Based on the analysis of the beat frequency signal, the expression of the beat frequency phase is deduced. the expression indicates physics meanings of quantities to be detected and supplies theoretical bases for detection methods. by using two - dimensional fft, the range and velocity information of target is got out from the echo. according to the periodicity range ambiguity of symmetrical pulses in fmpcw, the processing method of sliding time window is used

    通過對差頻信號進行的分析，得出了差頻相位的具體表達式，表現出了要檢測的各量的物理意義，對檢測的方法提供了理論依據。利用二維fft方法，可以有效地提取回波中目標的距離與速度信息。對于fmpcw信號由於均勻脈沖產生的周期性距離模糊的問題，採取時間波門的處理方法。
  2. The influence of inflow velocity, the baffle body height and the clapboard position on the flow velocity, flow equilibrium between the two sides of the clapboard, particle distribution, rich / lean concentration ratio and flow resistance characteristic are studied numerically

    文章研究了來流速度，撞擊塊高度、隔板位置等因素對氣相速度場、隔板兩側配風均勻性、顆粒濃度、濃淡分離比和燃燒器內阻力特性的影響。
  3. ( 3 ) the basic theories and techniques on distributed radar cfar detection are reviewed. in particular, using the numerical performance simulation results, the performance of distributed cfar detect system under nonhomogeneous backgrounds and simple detect conditions are analyzed in some details. we have summarized the performance characteristics of distributed cfar detect systems against interference and edge clutter when different fusion rule is used

    西北工業大學博士學位論文（ 3 ）對分散式cfar檢測技術的相關理論、方法進行簡要總結與分析，特別是利用數值分析與性能模擬方法，對非均勻環境下簡單條件檢測系統的性能進行了較為深入和系統的研究，總結了不同融合方式時分散式cfar檢測在抗干擾與雜波方面的性能特點。
  4. By computing the between two resolution units, we can estimate terrain azimuthal slopes and derive estimate of terrain elevation. the terrain contour is determined uniquely by ay / from azimuth slop on range gates. american began to study p - sar three - dimensional images technology in 1990s

    Schuler已經證明，對於一個均勻分佈場景， sar圖像上兩個相鄰分辨單元的極化橢圓方向角偏移量，與地形方位向坡度的對應關系是線性唯一的，地形方位向的傾斜度可以通過解唯一地被測定。
  5. Simulated results showed that the position and the evolution process of necks are influenced by tensile strain rates. uniform deformation covers only a small fraction of the total deformation. however, at the steady - like flow stage, restrictions and accommodations between scattered localizations promote large uniform deformation

    數值結果表明，頸縮的位置及發展過程受拉伸應變速率影響，完全均勻變形在總變形中實際占份量較小，而似穩流動階段的分散不均勻性的相互牽制與協調，使率敏感材料得以在接近均勻的狀態下經受大的變形。
  6. Too much cnts contributed no effect in the improvement of overall performance of the batteries. the batteries with nano - scale coo shows better active properties, the addition of nano - scale coo further the conductivity of the nickel electrode, thus lower the internal resistance of the batteries, higher discharge voltages are achieved accordingly. for the formation of the better conductive net of coooh, the effectivity of discharge rise, that contributes positive effect to the high rate capability of the batteries

    浙江人學碩十學位論文摘要正極添迦納米coo的ni / mh電池具有較好的活化性能，納米coo更好地增強了鎳正極的導電性，進一步減小了電池的內阻;正極添迦納米coo的ni / mh電池還具有較高的放電平臺;由於納米coo的納米結構，以及相對于普通c00更大的比表面積，會在堿液中溶解形成更均勻緻密的co0oh導電網路，從而提高了放電效率，對電池的高倍率性能也有積極的影響。
  7. And the correction of a step wavefront produced by a step phase plate is accomplished successfully. 6. according to the phase modulation characteristic of an lcslm, arbitrary complicated wavefronts were modeled. the result shows that lcslm can be use to test the wavefront sensors and controller if lcslm has wider dynamic range and perfect optical quality

    六、通過利用液晶空間光調制器的位相調制特性，成功地模擬產生了任意畸變波前，指出若該器件有更大的位相調制動態范圍和均勻性，將有可能成為校驗波前傳感設備和波前畸變控制系統性能的有力工具。
  8. This series employs knot - shaped bi - phase system of high frequency driver, co - axial technology, constant pointing horn to obtain even transmission of frequency within pointing angle, and near / far field strength - adjustable dance horn technology

    採用了高音驅動器的「桔狀雙相位系統」 、同軸技術、在指向角范圍內得到均勻傳送頻率特性的恆定指向性號角，遠近聲場可變強度舞蹈號角技術。
  9. The high similarity in shapes and large overlapping areas of corresponded contours on adjacent cross - sectional are main conditions in reconstructing surface correctly. in accordance with the disadvantage of blurring caused by traditional gray - level interpolation methods, this dissertation introduces a method to interpolate 3d images based on point matching approach to get 3d isotropy volume data. with respect to non - similar shapes or no superposition of corresponded contours on adjacent slices and concave contours, this dissertation presents a method for shape - based interpolation based on nonuniform scale bounding box

    相鄰斷層上對應輪廓區域的形狀相似和重疊部分大是保證重建表面正確性的重要條件，針對傳統灰度插值容易引起模糊邊界的缺點，本文採用基於對應點匹配的方法進行灰度插值，以獲得各向同性的三維數據；針對相鄰斷層間對應輪廓的形狀不相似，位置不重合和有凹輪廓線的情況，提出一種基於包圍盒非均勻比例放縮的形狀插值方法。
  10. Nano - sacle coo is apt to dissolve in the electrode homogeneously, and better conductive net of coooh come into being, thus contribute a lot to the procedure of the activation. the electrode with nano - scale coo and cnts shows higher discharge voltage and higher discharge capacity. nano - scale additives can improve the specific capacity of the electrode, the volume specific capacity and the mass specific capacity of the electrode with nano - scale coo are 784mah / cm3 and 224mah / g, respectively

    結果表明：添加劑為納米coo的電極的活化性能最好，納米coo相對于普通coo能更加均勻的分佈在鎳電極內，也更易溶解、反應生成coooh導電網路，從而加快了鎳電極的活化進程；添迦納米coo和添加cnts的極片具有較高的放電電位和較大的放電容量，納米添加劑能有效提高鎳正極活性物質的放電效率和利用率；納米添加劑可以有效地提高鎳正極片的容量密度，其中添迦納米coo的極片體積容量密度達到784mah cm ~ 3 ，質量容量密度達到224mah g ；添加cnts的極片體積容量密度達到778mah cm ~ 3 ，質量容量密度達到223mah g 。
  11. Results show that clamping angle dominated displacement of anchorage and failure mechanism : surrounding rock and soil compaction is induced by small clamping angle, instead, shear failure occurs in neighborhood soil of leading end of anchorage while clamping angle is big ; anchorage length influenced surrounding rock stress as nonlinear self - organization critical characteristic on interface ; anchorage size contribution to systemic primary monitor parameter is relatively uniform

    研究發現：夾持角控制著錨碇變位和破壞機理，夾持角過小時錨碇壓密圍巖土體，較大時錨碇前端附近土體則產生剪切破壞；錨碇長度影響接觸面圍巖應力量值，表現為非線性的自組織臨界特徵；錨碇體粗細對系統主要監控參數的貢獻相對均勻。
  12. Based on the design methods above, we research the possibilities of build nonuniform filter banks with linear phase in the third part, pointing out the difficulties may occur and bringing up our ideas

    第三部分，我們在上述兩種子帶濾波器組設計方法的基礎上，探討了構造非均勻的線性相位濾波器組的可能性，指出了存在的困難，提出了構造的設想。
  13. This part emphasizes the synthesis of nanoarrays, aiming at controlling the size and distance of nanocrystallites using calixarene derivatives by altering the size, length and chemical structure of the organic molecules ; 2. this part emphasizes in situ synthesis strategy for fabrication of polymer network of zns based nanopowder, aiming at size controls, coating and preventing agglomeration following " one - pot " synthesis ; this method fits to low cost, large scale production ; 3. according to development in zno nanomaterials, we first report on the synthesis, characterization of amorphous zno, aiming at describing the principles and approaches of synthesis techniques, optical properties, spatial structure and doped effect ; the amorphous zno displays cage - like structure, showing a strong ultraviolet emission while the visible emission is nearly fully quenched, a potential uv - emission material ; 4

    本論文以量子結構自組裝為出發點，提出利用杯芳烴及其衍生物的化學受限反應實現尺寸可調半導體納米粒子自組裝；提出有機聚合網路原位組裝zns基納米熒光粉方法，把熒光粉的納米化、包敷、防團聚在「一鍋」反應中完成，適于低成本，批量生產；根據當前zno的研究情況，我們首次合成了非晶zno ，研究了它的光學性質，確定了它的結構，並對其摻雜進行了初步的研究，非晶zno表現出強的深紫外發光特性，而可見發射非常弱，是一種有巨大潛在應用價值的深紫外發光材料；利用非晶zno的亞穩特性，對晶化過程中非晶zno納米晶zno三維受限量子結構特性，界面特性進行了深入的研究；利用固相熱分解一般受擴散控制特性，實現了尺寸可控的zno三維量子結構的自組裝；利用非晶zno的高度分散性，容易均勻成膜特性，實現了非晶籽晶誘導低溫液相外延自組裝生長高取向zno晶體薄膜。
  14. After comparing between the finite - element analysis and experimental results, the author verified the fem. then according to the chinese code, the nonlinear finite model of the beam - to - column is established which are made of different size components. the responses of beam - to - column web moment connections which are made of different size components are compared and analyzed from three facets, and the conclusions about the joints behavior are drawn : thicken the connection plate, lengthen the connection plate or use a back - up stiffer can improve the connection behavior, consist of improving the behavior of load - supported and reducing the stress convergence in the flange moment plates

    本文根據我國規范的有關規定，自行建立了12個不同構件尺寸的樑柱腹板連接的三維有限元模型，對不同構件尺寸的樑柱腹板剛性連接節點在單向荷載作用下的反應進行了研究，從結構的mises應力等值線示意圖、梁端加載處的荷載? ?位移曲線、翼緣連接板兩端的mises等效應力以及翼緣連接板與柱相連接的三邊的mises應力等值線示意圖四方面進行了比較與分析，從而得出了不同構件尺寸的樑柱腹板剛性連接的在受力行為上的結論：增加翼緣連接板的厚度、增加翼緣連接板的長度以及採用柱的橫向加勁肋均可以改善節點的受力性能：提高節點的承載能力；減小翼緣連接板內部與柱翼緣邊的的應力不均勻現象，從而避免試件過早地發生破壞。
  15. Secondly, image enhancement technique based on linear filtering is adopted. a new image segmentation method by means of automatic multilevel threshold is given, which realizes partial multilevel threshold segmentation based on image region partition of gray - level position projection, removes the influence of uneven illuminance or uneven gray - level distribution on goal recognition, and resolves the problem of error segmentation caused by threshold step between adjacent regions by threshold transition. the method has well robustness

    在圖像處理時，採用基於線性濾波的圖像增強方法，並提出了一種新的自動多閾值圖像分割方法，該方法以基於灰度位置投影的圖像分區實現局部多閾值分割，克服了不均勻照明或不均勻灰度分佈對目標識別的影響，同時，通過閾值過渡很好地解決了相鄰區域閾值「階躍」引起的錯誤分割問題，具有很好的魯棒性。
  16. The emcn model is set up by use of flux - tube method. in this method, the segment in which the flux density is relatively even is considered to be an element, the permeance of each element can be calculated by use of conventional method. finally the permeance network can be set up by connecting each node with permeances, then the parameters and performance can be obtained

    其基本思想是通過磁通管原理，把電機內部磁通密度相對均勻的部分看作一個單元，計算出單元的磁導，最後再把各個節點用等效磁導連接起來構成一個磁導的網路圖，再根據電路的基本解法求得各個節點的磁位，從而求得電機的參數和性能。
  17. By studying the birds composition, quantity, species diversity and evenness, consumer biomass of community ; feeding niche, gathering and encountering probability of birds, we illustrate the characteristics of mountainous secondary forests wintering birds community in temperate zone in northeast china, and the changing trends and the relation with environments of birds community for 12 years fore - and - aft

    通過對群落內鳥類組成及數量、種的多樣性和均勻性及消費生物量、鳥類的取食生態位，鳥類的集群及種間相遇幾率等方面的研究，基本闡明了溫帶環境中我國北方山地次生闊葉林冬季鳥類群落結構的特點，以及12年前後其鳥類群落結構的變化趨勢、與環境變化的關系等。
  18. Then we consider the problem as a " conjunction " problem : according to the solutions for wave problem in interface between two conjunctive homogeneous elastic half - spaces as well as the scattering problem of sh - waves by an arbitrary - shape - cavity in homogeneous material, we divide the elastic space with an interface cavity into two parts along the interface, each is elastic half space with an arbitrary - shape - canyon. and then dividing surfaces are loaded with undete rmined antiplane forces, and with some antiplane reacting forces to appear cracks

    然後將界面任意形孔洞和孔邊裂紋對sh波的散射問題視為「契合」問題：即從兩個相互契合的完整彈性半空間的界面波動問題和彈性均勻介質中任意形孔洞對sh波散射的解答出發，沿界面處將含孔洞的彈性空間剖分為兩個含有任意形凹陷的彈性半空間，在其剖分表面上加置未知的反平面荷載，在出現裂紋的位置加置反平面反力構造出裂紋。
  19. The psm was extended to heterogeneous anisotropic medium and a program for 2d elastic waves propagation was written in fortran. the stable condition of psm for 2d anisotropic media was introduced and discussed. the propagations of elastic waves, excited by point sources in homogeneous isotropic / anisotropic rocks, were simulated

    導出了適用於模擬二維各向異性非均勻巖石中彈性波傳播、以位移為變量的偽譜法公式並編寫了相應的程序，並推導了適用於二維各向異性介質的偽譜法穩定性條件。
  20. Wavelengths or scales of surface heterogeneity are less than 20km. simulation results show that cbls do reach a quasi - stationary state correspondent to specified surfaces, after a long enough evolution. in this transition process and after that, horizontal statistics, i. e. mean potential temperature and vertical heat - flux, show profiles little differences to those over homogeneous flat surface. main effect of surface heterogeneity is to increase kinetic energy in cbl and the increase concentrates in the direction of surface heterogeneity. the time of cbl spent to reach its first peak of mean kinetic energy,

    模擬結果表明，在充分長的時間后，邊界層達到一種適合於地面條件的準定常態。這種準定常態和向其過渡的過程中，水平平均的邊界層廓線性質，如平均位溫廓線垂直熱通量廓線等幾乎與平坦均勻地面的結果相同，或差異極小。地面非均勻性的主要作用是使邊界層動能增大，並以地面非均勻性變化方向的動能增加為主。
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