距數論 的英文怎麼說

中文拼音 [shǔlún]
距數論 英文
metric number theory
  • : Ⅰ名詞1 (距離) distance 2 (雄雞、雉等的腿的後面突出像腳趾的部分) spur (of a cock etc )Ⅱ動詞...
  • : 數副詞(屢次) frequently; repeatedly
  • : 論名詞(記錄孔子及其門徒的言行的「論語」) the analects of confucius
  1. The model of the itr between a1n and cu is built by using the acoustic mismatch model, amm and diffuse mismatch model, dmm. because there is a limit of roughness and temperature in amm and dmm, the data of the theory model that is directly built by amm and dmm is far from the experimental data. accordingly, with dmm and traditionary methods, the mathematics model is posed by contrast and analyses of the experiment data

    由於聲失配理和散聲失配理對溫度和粗糙度有很嚴格的要求,所以直接建模所得的理據與實驗據有很大的差,本文採用聲失配理與傳統研究方法相結合,通過與實驗據的分析擬合,提出了修正的學模型,預測誤差有了大幅度的提高。
  2. The relationships between the number of diffraction order and grating pitch, refractive index of medium, light wavelength, incidence angle and azimuth angle are investigated

    了入射角、入射方位角、入射光波長、光柵柵、介質折射率與矩形光柵衍射級次目間的關系。
  3. ( 4 ) the hugoniot of the mixture of mgo ( mw ) and sio2 ( st ) were calculated by the additire principle of hugoniot for mixture, and compared with the experimental hugoniot of enstatite. the results shows that there exists large difference between both d - u relationship and p - n curve for the two hugoniot

    516u ( 4 )用混合物hugongiot線的疊加性原理計算了mgo ( mw )和引。 ( st )混合體系的hugongiot線,經過與頑火輝石實驗hugongiot據對比,無是從心關系還是從一產關繫上看兩者均有較大差
  4. In course of auto - focusing, the paper takes the sum of the square of gray difference as focal distance evaluation function to decided that image is in focus or not quickly and put forward an effective auto - focus searching way based on threshold value and curve fitting. these improve speed and precision of auto - focusing

    在自動聚焦過程中,文採用了圖象的灰度差分的絕對值之和的平方作為焦評價函,解決了是否正確聚焦的快速判斷問題;採用了一種行之有效的基於閾值和曲線擬合的自動聚焦搜索方式,使聚焦速度和精度都得到了很大的提高。
  5. Based on the investigation and research, the paper gives a testing method, which measures the taking off and landing distance of airplanes with the laser locating system for airplanes trace. and by way of the field measuring on plateau airports, we have got the integrated modifying coefficients of three kinds of airplanestaking off and landing running distance such as h6. all of these provide scientific basis for the runway length design of the plateau airport

    在調研證的基礎上,提出了利用《飛機起落航跡激光定位系統》測定飛機起飛著陸滑跑離的測試方法,並通過高原機場實地測試,得出了三種飛機在高原機場上起飛著陸滑跑離的綜合修正系值,為高原機場跑道長度設計提供了可靠的理依據。
  6. Following this, a new phenomenological eos along isotherms that may be used at high pressures for nacl - type and cscl - type alkali halides, metals, periclase ( mgo ), rare - gas xenon solid, and so on, is presented, by making use of the definition of short - distance repulsive force constant ( a ) and the phenomenological function a ( r )

    在此基礎上,從短程排斥力常a的定義,及其與原子間r唯象函出發,提出一個可應用於相對高壓下的新的等溫固體物態方程,並對它的有效性和應用性進行了研究與討;本文還在實驗據的基礎上,運用了等壓過程中anderson - gr (
  7. In this dissertation, the location estimation methods for mitigating the influence of the nlos propagation and the location parameters estimation methods for ds - cdma cellular radio systems are studied. furthermore, the influence of the nlos propagation on the performance of radiolocation systems is analyzed. moreover, by using pilot sequences from the base station ( bs ) in wireless cdma cellular networks, the techniques for detecting and locating and tracking for 3 - d moving target are provided

    文針對蜂窩網中移動臺定位這一熱點,研究了移動臺定位的非視影響減輕技術以及適用於ds ? cdma系統的定位參估計技術,分析了非視對定位性能的影響,並研究了利用蜂窩網路資源對三維運動目標的檢測、定位與跟蹤技術。
  8. The main content of this dissertation can be concluded as following : a ) on the base on discussion of sar high resolution and theoretical imaging model, sar signal processing is analyzed in detail. range immigration and estimation of doppler parameters are also involved during discussing space - borne sar imaging and processing. a good result is obtained in the course of processing seasat and x - sar raw data

    在討了sar二維高分辨力機理和sar成像理模型的基礎上,針對sar成像信號處理,分析成像處理的基本原理,和星載sar成像處理中的離遷移校正和多普勒參估計等關鍵問題,編制了處理程序,對seasat , x - sar的原始據進行了試驗,得到滿意的效果。
  9. I have taken impotance to analyze the rallying point of famous product, concrete cost and capability of providing and guarantee in this artical, meanwhile, i have caculated the quantity of concrete needed for the year and got the regression equation with the historic data for drilling footage of eight years and the consuming quantity of oilwell cement by the method of linear regression, and it has very significance for the making of stock contract and the plan of concrete production, i have analyzed the physical distribution of oilwell cement by the transpotation flex and the advantage or disadvantage between direct distribution and distribution to store in this artical, and i have tried to find the balance point of the two distribution ways by the ecnomic analysis and pointd out the conception of economic semidiameter, and come to the conclusion of direct distribution, distribution to store, and subarea of distribution to store at last

    本文對油井水泥供應商在品牌號召力、水泥成本、供應保障能力等方面進行了詳盡分析,並對供應商進行了能力排序;用線性回歸方法從八年鉆井進尺與油井水泥消耗量的歷史據推算了當年度油井水泥需求量,得出了回歸方程,這對于油井水泥采購合同的制訂、水泥供應商生產計劃的制訂具有相當重要的意義;從運輸彈性分析出發對油井水泥物流配送進行了研究,對直達配送、入庫配送的優缺點進行了詳細的分析,在經濟分析的基礎上力求找到兩種配送方式的均衡點,並提出了經濟半徑的概念,得出了直達配送、入庫配送、入庫分區離等幾項結
  10. Thirdly, an ideal satellite orbit is simulated, and on this foundation, we establish some typical simulation and testing circumstances. lastly, after simulation in the simulation and testing circumstances, we compare the performance of ukf and ekf. and then, based on the outdoor experiment of the vehicle, an analysis and contrast between our simulation results and commercial data process software is carried out, and the conclusion is obtained

    首先在第三章提出的目標運動模型的基礎上建立了系統狀態方程;其次簡要分析了衛星導航系統中的各類誤差,建立了基於偽觀測量的系統觀測模型;第四節利用yuma格式歷書據模擬了未受攝動影響的衛星軌道,並在此基礎上建立了幾種典型的動態模擬測試環境;第五節為模擬分析和比較,先對ukf演算法和ekf演算法在動態模擬測試環境中進行了模擬比較,然後針對外場試驗,對非線性濾波獲得的定位結果與商業軟體進行了分析比較,並得出結
  11. The influence of changing design parameters on diffractive microlens is investigated. the effects of changing design focal length and microlens material refractive index on diffractive efficiency and airy diffraction disc radius are presented. the numerical results are discussed by qualitative analysis

    首先研究了設計參變化對衍射微透鏡的影響,給出了設計焦和透鏡材料折射率變化對衍射微透鏡衍射效率、愛里斑半徑等的影響,並對分析結果作了定性討
  12. Because of its special antenna structure, testing the antenna ’ s performance is necessary to prove its theory. auto measurement system of cfa array annates can measure the annates ’ s amplitude - phase character and resistance matrix quickly and effectively

    艦載超視雷達使用交叉場天線cfa ( crossedfieldantenna )作為陣列天線陣元,由於其特殊的天線結構,對其特性的理研究也需要測量據來驗證。
  13. To jupiter gps oem board receiver of the low cost, the software was developed according to the original data of satellite, the primitive observation data of receiver and gps theory of technology based on gps pseudo - range observation and carrier phase measurement. 2

    針對低成本的jupitergpsoem板接收機,直接根據星歷原始據和接收機原始觀測據以及gps定位技術的理進行了gpsoem板的偽與載波相位定位軟體的開發。
  14. It is revealed that the computation value in theory is greatly different from the monitoring one, by analyzing a group of practical monitoring data of deep soil deformation

    通過對某實測工程地基分層沉降監測據的研究,發現理計算值與實測值有較大差
  15. The centre of the dark sector soliton evolution equation is derived by means of particle analytical method, equivalent form dark soliton ' s evolution equation in the photorefractive crystal, esceptialy between tow dark soliton ; the potential expression and it ' s numerically calculation is achieved, the conclusion is drawn : when the distance between two dark soliton = 0, its potential function has minimum, shows there is an stead soliton in the photorefractive maternal, and interaction between two dark soliton raches biggest ; when the distance between two dark soliton 5, its potential function is nearly equal zero, shows that the interaction between two lark soliton is very weak, nearly zero

    摘要本文從光折變晶體中能得出暗孤子所滿足的演化方程出發,用粒子分析力法得出了兩暗孤子相互作用時,其質心間的離所滿足的演化方程,並得出了兩暗孤子相互作用勢函的表達式,得到其值解,並得出如下結:當兩暗孤子間離= 0時,其相互作用勢函有最小值,表示在光折變晶體中有穩定的暗孤子對,並且相互作用達到最大;當兩暗孤子離5時,其相互作用勢函幾乎為零,表示兩暗孤子間相互作用很弱,幾乎為零。
  16. This paper discusses the polygon medial axis definition of gis and calculation geometry, and their main distinguishing feature, pointes out that the polygon medial axis should be the locu of the equal - distance points to two or more edges of the polygon ; analyzes the relevant different algorithm and cases in practice, and proposes the geometry means in theory relatively rigid and widely meeting the requirements in practice - dotted pair rank method and the map algebra polygon medial axis method, utilizes them to offer several polygon medial axis calculation examples

    摘要比較了當前國內外gis中和計算幾何中關于多邊形中軸的定義,討了它們的主要特點,指出多邊形中軸應是到兩個以上邊離相等點的軌跡,並據此分析了相應的各種演算法和實際應用場合,提出了理上較為嚴密、能夠廣泛滿足實際應用需要的幾何方法點對序列法和地圖代多邊形中軸法。
  17. 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、離樣品遠近對強度損失和測量中的影響做了深入研究。
  18. The numerical and experimental results of this y - branch structure indicate that the proposed y - branch structure, without extra fabrication technologies, has a lower excess loss as compared with the conventional ones. optimal designs of the structural parameters for the multimode interference coupler are carried out. low loss and high uniformity of the multimode interference couplers are achieved when the waveguide is weakly guiding

    研究了y分支耦合器中分支頂端間(為工藝製作方便)帶來的附加損耗,提出了低損耗新型y分支耦合器結構,並給出了相關結構參的優化設計方法,我們的理計算和實驗測試結果均表明,該新型結構可以在常規光波導製作工藝下提高器件的指標。
  19. The paper summarized theories to interpret rural residents " income difference and math methods to measure income difference, which laid theory base for further analysis and provided empirical materials, it studied general income difference of rural residents by gini coefficient, theil index, decomposed gini coefficient according to income sources, ten equally separated methods and econometric models, and measured and analyzed income difference and its determinants of rural residents between regions and in liaoning province and neimenggu municipality

    本文歸納了中國農村居民收入差和收入差學描述,為進一步分析奠定了理基礎和提供了實證素材。本文選用基尼系、泰爾指、按收入來源分解基尼系、十等分組法和計量經濟模型研究了中國農村居民總體收入差情況,測度並分析了中國農村居民地區間收入差、遼寧省和內蒙古自治區農村居民的收入差狀況以及影響收入差的因素。
  20. This paper makes a study of the simple fault detecting of oil field power system realizing by computer, proposes to apply the theory of traveling wave location and has the clarity of mathematical model concept and high automation. to the power delivery system with many emitting branches, it has a practical sense to save computer operation period and memory, making software design and simulation

    文研究油田電力系統簡單故障檢測的一種計算機實現方法,提出利用互感器模型的行波法測據模型概念清晰,自動化程度較高,對架空輸電線路放射式分支路較多的電網能顯著節省機時和內存,並進行軟體設計與模擬,具有一定的實用意義。
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