極地單元 的英文怎麼說

中文拼音 [jídedānyuán]
極地單元 英文
polar unit
  • 極 : i 名詞1 （頂點; 盡頭） the utmost point; extreme 2 （地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • 極地 : [地理學] polar region極地冰 [海洋學] polar ice; polar cap ice;極地冰川 [水文] polar glacier;極地...
  1. It includes sites on every continent, among them sir ernest shackleton ' s 1908 expedition hut in antarctica and australia ' s dampier rock art complex, which dates from 8000bc

    名單涵蓋了各大洲的古跡，包括歐內斯特.沙爾克頓爵士1908年遠征南極時居住的小屋、始於公元前8000年前的澳大利亞丹皮爾地區的巖畫群。
  2. This can be done in local network situations by setting the maximum transmit unit or mtu and can really boost performance

    在本地網路中可以通過設置最大傳輸單元（ maximum transmit unit ， mtu ）來設置巨幀，這可以極大地提高性能。
  3. This article puts forward a solution named divide - assemble by deducing the size of bp neural network to overcome entering the local best point, the dividing process is that a big bp neural network is divided into several small bp neural networks, every small bp neural network can study alone, after all small bp neural networks finish their study, we can assemble all these small bp neural networks into the quondam big bp neural networks ; on the basis of divide - assemble solution, this article discusses the preprocessing of input species and how to deduce the size of bp neural network further to make it easy to overcome entering the local best point ; for the study of every small bp neural network, this article adopts a solution named gdr - ga algorithm, which includes two algorithms. gdr ? a algorithm makes the merits of the two algorithms makeup each other to increase searching speed. finally, this article discusses the processing of atm band - width distribution dynamically

    本文從bp網的結構出發，以減小bp神經網路的規模為手段來克服陷入局部極小點，提出了bp神經網路的拆分組裝方法，即將一個大的bp網有機地拆分為幾個小的子bp網，每個子網的權值單獨訓練，訓練好以後，再將每個子網的單元和權值有機地組裝成原先的bp網，從理論和實驗上證明了該方法在解決局部極小值這一問題時是有效的；在拆分組裝方法基礎上，本文詳細闡述了輸入樣本的預處理過程，更進一步地減小了bp網路的規模，使子網的學習更加容易了；對于子網的學習，本文採用了最速梯度? ?遺傳混合演算法（即gdr ? ? ga演算法） ，使gdr演算法和ga演算法的優點互為補充，提高了收斂速度；最後本文闡述了用以上方法進行atm帶寬動態分配的過程。
  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. ( 2 ) as an important outcome in the paper, the author developed the flac3d pre - processing package in the basis of the 12 primitive meshes provided by flac3d, which can construct the calculating model containing the actual topographic and geological features of the investigated area automatically. thus, it can not only improve the calculating precision, but also decrease time consuming greatly. and the design method of the program is a good help to the same kind of programs

    （ 2 ）在flac ~ （ 3d ）軟體的提供的十二種初始單元網模型（ primitivemesh ）的基礎上，獨立地開發了flac ~ （ 3d ）前處理程序（ flac ~ （ 3d ） pre - processingpackage ） ，成功實現了建模自動化，極大地提高了工作效率，並且把真實地形、地貌反映到計算模型中，大大提高了計算的精確度和可靠度，在建模技術上有了新的突破，其設計思路也值得同類軟體借鑒。
  6. By using the paging unit more than the segmentation unit, linux greatly facilitates memory management and portability across different hardware platforms

    通過更多地使用分頁單元而非分段單元， linux可以極大地促進內存管理及其在不同硬體平臺之間的可移植性。
  7. A polarimetric sar combines both advantage of measuring full complex scattering matrix for each resolution cell in a scene and producing two - dimensional high resolution images, and is thus playing a more and more important role in gathering the detailed information regarding the geometric and electric structures of surfaces and covers for application in both civil and military areas

    極化合成孔徑雷達（ sar ）具有可以測量場景中每個分辨單元的全極化散射矩陣以及產生二維高分辨力圖像的兩大優點，因此無論在民用和軍用的採集地表或地面覆蓋物的物理和電磁結構信息的應用中起著越來越重要的作用。
  8. The polarimetric sar is a new type imaging radar to measure polarimetric characteristic of radiant signals and combines both advantage of measuring full complex scattering matrix for each resolution cell in a scene and producing two - dimensional high resolution images, which greatly improve its ability to discern surface features. polarimetric sar is thus playing a more and more important role in research on remote sensing and application area

    極化合成孔徑雷達（ polarimetricsar ）是用來測量輻射信號極化特徵的新型成像雷達，具有能夠測量場景中每個分辨單元的全極化散射矩陣和產生二維高解析度圖像的兩大優點，大大提高了它對地物的識別能力，因此在遙感技術研究與應用領域中起著越來越重要的作用。
  9. Terrain slope information can be drawn from polarimetric synthetic aperture radar ( sar ) two - dimensional image, so that three - dimensional image can be generated. it differs from two - pass or repeated trace insar that uses interference phase method to obtain topography height. the p - sar three - dimensional image technology uses the stokes matrix formed by two - dimensional images resolution cells, then applying polarimetric synthesize to stokes matrix can produce polarization signature of the scatter cross - section a - (, x ) for any ( ellipticity ) and ( orientation ) polarization state

    這種方法不同於重復軌道和雙通道insar系統，不是利用干涉法提取高度信息，而是利用極化sar二維圖像各分辨單元的stokes矩陣，通過極化綜合估計每個分辨單元的共極化散射特性和交叉極化散射特性（極化指紋） ，以及共極化散射特性最大值時對應的極化橢圓度x利極化橢圓方向角，求解地形的高度輪廓。
  10. The data spatial cell partitioning and data object allocating methods based on the problem of boundary outlier misjudgment in cell outlier mining algorithms are discussed. then a dynamic adjustment function on dataset boundary threshold is defined and an improved algorithm on the cell - based outlier is brought forward. it can greatly reduce the amount of misjudgment on boundary outlier by the algorithm discussed in this paper without increasing the complexity and the calculating time of the original algorithm

    針對演算法中邊界處孤立點的誤判問題，給出了數據空間的單元格劃分及數據對象分配方法，定義了數據集邊界閾值動態調整函數，提出了基於單元的孤立點挖掘演算法的改進演算法，在不增加原有演算法時間復雜度的前提下，極大地減少了邊界處孤立點的誤判。
  11. The mutual coupling between phased array antennas elements causes the loss of reflected power. following the changes of scanning angle, mutual coupling between elements will also change, so the comensation of mutual coupling should become difficult

    相控陣天線單元間由於互耦效應引起的反射功率損耗，隨著掃描角的變化而隨之發生變化，這給互耦補償帶來了極大地困難。
  12. Because of its ability not only to produce two - dimensional high resolution images of the scene illuminated, but also to measure complete complex scattering matrix for each resolution cell, and to operate under all weather conditions and all the time, day and night, a polarimetric synthetic aperture radar ( sar ) is playing a more and more important role in gathering the detailed information regarding the geometric and electric structures of surfaces and covers of the earth

    極化合成孔徑雷達（ sar ）能夠通過照射場景，對場景進行二維（方位向和距離向）高分辨力成像，同時測量出每個分辨單元的復散射矩陣。由於極化合成孔徑雷達具行全天候和全氣候工作的能力，使得極化合成孔徑雷達在採集地表及其覆蓋物的物理（電結構）細節信息方面起著越來越重要的作用。
  13. Important missing aspects are : turbulent flow, numerical discretization techniques specially the relevant and difficult topic of numerical treatment of advection and related numerical methods of solution, variable property fluids, boundary layers, stability, etc. rather, it focuses on more primitive and fundamental issues of numerical treatment of advective equation and proper formulation of initial boundary value ( ib vp ). numerical problems associated with advective dominated transport include spurious oscillation, numerical dispersion, peak clipping, and grid oriention. however, the key of numerical solution of three - dimensional advective problem is searching for a high - precision interpolating function, which can keep the computational stability and low damping

    3 、針對三維純對流方程提出了實用的擬協調單元模式，並與線性插值模式和協調單元模式比較后表明，在物理量大梯度變化的情況下，線性插值模式會產生較大的數值阻尼，導致解的失真；協調單元模式具有極高的計算精度和良好的計算穩定性，還可較好地克服數值阻尼，但由於計及物理量的二階導數項，計算工作量大，邊界條件給定尚存在一定的困難；而擬協調單元模式不僅具有協調單元模式計算精度高的優點，還避免了物理量的二階導數項，可大大地減少計算工作量。
  14. The paper suggests that in the course of agricultural micro - economic organization ' s retransformation, the household - management organization should be taken as basic unit of any new agricultural micro - economic organization, the combination of cooperation with mobilizing farmers " initiative and self - consciouce working on farm should be a basic principle abided by, normal and tight agricultural industrialization organizations should be set up more in areas fitting to this organization development

    另外，在微觀經濟組織再變遷中，應把家庭經營組織作為各種新型農業微觀經濟組織的基本單元，把合作化和調動農民的積極性、主動性、自覺性相結合作為再變遷的一條基本原則，在有條件的地方應大力發展規范而緊密的農業產業化組織等農業微觀經濟組織。
  15. Because that the proposed method has so many merits such as the fewer elements, the higher computational efficiency, the higher computational precision, and good convergence, it should have extensive applied foreground in the ultimate bearing capacities " researches of the bridge strengthened by cfrp sheets and the other complex concrete structures

    由於此法具有單元少、計算效率高、收斂快和準確性好的特點，因此在cfrp加固混凝土橋梁以及其它復雜的混凝土結構的極限承載力理論研究中將有廣泛地應用前景。
  16. It studied the engineering geology condition of the heigou mine - field of jisco. by the abundance of basic data with investigates and lab experiments, it estimated and analyzed the stability of the side slope of the heigou mine - field with many research methods that included " the ultimate balance ", " the discrete cell " and " the fea ". besides these, it gave same advice about analogous engineering in order to offer certain evidence for the later management of heigou mine - field and for the engineering blasting design

    本文以工程地質學、巖石力學理論為基礎，針對黑溝礦區工業場地邊坡特殊的工程地質條件進行研究，在通過現場調查、實驗室試驗等手段獲得大量基礎資料的前提下，對黑溝礦區工業場地的邊坡，採用極限平衡法、離散單元法、三維彈性有限元法等多種方法進行了穩定性評價及分析，並提出了相應的工程措施建議，為今後黑溝礦區工業場地邊坡管理及大爆破設計等提供了一定的依據。
  17. Logic control unit based on computer technologies is able to better the control performances of locomotive and improve its reliability dramatically, compared with traditional relay control system

    採用計算機技術構造的邏輯控制單元（ lcu ）取代電力機車繼電器控制電路能夠極大地改善機車的控制性能，提高機車運行的可靠性。
  18. Vliw architecture integrates many executing units. the parallel working of these executing units greatly progressed the performance of dsp. this kind of dsp is more and more widely used in multi channel high - speed digital signal process

    Vliw體系結構的dsp是近幾年出現的一種高性能dsp ， vliw體系結構在一塊dsp中集成多個執行單元，多個執行單元并行操作，極大地提高了dsp的性能，越來越多地用於多通道高速數字信號處理。
  19. Some calculation indicated that general - purpose programs can predict load carrying capacity of a ship ' s hull accurately if one take sufficiently into account every load and boundary combination, structure imperfections and initial stresses, together with geometric and material non - linearity. in this thesis, the load carrying capacity of several hull or hull models have been analyzed by using the general - purpose program ansys, and some detailed results are obtained

    一些已有的計算分析表明，對于大型通用有限元軟體，只要合理地模擬結構的受載方式，模擬材料的非線性性能，採用合理的單元類型和網格尺度，並綜合考慮極限強度分析的各種因素（如結構的殘余應力、初始變形、材料的非線性性能等） ，通用有限元程序也能獲得精確的船體結構的極限承載能力。
  20. The inversion results indicate the following phenomena : the lithosphere density beneath north china area is extremely inhomogeneous, which is the reflection of the feature of violent tectonic movement ; the density distribution is coherent with tectonic ; the density is different in different tectonic units ; there are low density regions in the crust ; the strong earthquakes in north china region mainly occur at this depth

    反演結果表明：華北地區巖石圈密度極不均勻，反映了區內強烈的構造活動特徵；層內密度分佈與大地構造有明顯的相關性，不同的構造單元存在著密度差異，斷裂帶表現為密度異常梯級帶；殼內存在著低密度層，華北地區地震的震源深度主要發生在這一深度上，可能與之相關。
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