模強函數 的英文怎麼說

中文拼音 [qiánghánshǔ]
模強函數 英文
modular majorant
  • : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
  • : 強形容詞(強硬不屈;固執) stubborn; unyielding
  • : 名詞1. [書面語] (匣; 封套) case; envelope 2. (信件) letter 3. (姓氏) a surname
  • : 數副詞(屢次) frequently; repeatedly
  • 函數 : [數學] function函數計算機 function computer; 函數計算器 function calculator; 函數運算 functional operation
  1. In algorithms, classification algorithms are divided into two cases : one for known statistical distribution model and the other for unknown statistical distribution model. four classification algorithms, the bata - prime statistic model fusing quadratic gamma classifier, based on sar image rcs reconstruction and space position mode, on the mixed double hint layers rbfn ( mdhrbfn ) model and on the self - adapt fuzzy rbfn ( afrbfn ) model, are derived. the problems, including how to further improving the class ratio of the bayes decision, decreasing the dependence on the statistical model and directly providing the adapted algorithm with samples, are solved

    提出了基於徑向基神經網路( rbfn )的雙隱層混合網路( mdhrbfn )型,解決了標準神經網路在具體sar圖像地物分類中分類類別目不夠和分類精度差的問題;提出了基於糊推理系統的自適應糊rbfn分類( afrbfn )型,兼顧通用性與精確性,增人機交互能力,進一步提高了演算法分類率。
  2. The method of crack - division is used to make radial cracks at the edge of cavity. a series of integral equations for determining the dsif at tips of anti - plane crack are set up in terms of the green ' s function

    按「契合」的方式和採用裂紋切割技術構造出孔邊徑向界面裂紋對sh波散射的型,利用green建立直接求解m型裂紋尖端動應力度因子的定解積分方程組。
  3. Taking the contact stress, bend stress stiffness and temperature stress as the condition, taking the weight of the kiln tyre as optimization aim function, the redia and the width of the tyre are optimized general optimize methods just consider the affecting of the parameters to aim function, but in fact, structural parameters ( such as structure dimension, interval and so on ), physics and dynamics ( damp factor, conduct factor, friction factor material ' s elastic module strength limits and so on ), which would be changed after used. the difference are called discrepancy robust design ' s basic concept is : all design parameters " discrepancy will affect the aim funct ion and arouse the quality target discrepancy

    一般的優化方法,僅僅考慮了參對其目標的影響,而實際情況下有些參是變化的,產品的結構參(如幾何尺寸、間隙等) 、物理和力學參如阻尼系、傳導系、磨擦系、材料的彈性量和度極限等的設計值與製造后和使用中的實際值會有差異,這種差異稱為設計變量和噪聲因素的變差。
  4. Meanwhile, an artificial imitation rainfall system was developed in order to study the characteristics of city underlying surface and make experimental check up about the relative appraising index, on which 200 rainfall experiments are made, analyzing the effect of rainfall intensity to the runoff of underlying surface ; the relationship between runoff permeability and unit factor of rainfall intensity and duration ; the effect of rainfall intensity, duration, soil moisture content, and temperature to the runoff permeability ; the relationship between rainfall quantity and runoff permeability, and make mathematical imitation to the expe rimental results, to find the mutual - relationships, and make discussion about the differences between equations of fit

    同時,為研究城市下墊面的產匯流特性研製了一套人工擬降雨系統,並對相關評價指標進行了實測校驗。在此基礎上,進行了200多場降雨實驗,分析了雨、歷時、土壤前期含水量、溫度、降雨量、不同下墊面和不同覆蓋度等對產匯流的影響,及各種因素對徑流系的影響和相關性,建立了一定條件下歷時徑流系,雨徑流系,流量徑流系型。
  5. A parametric psychoacoustic model based on critical band rate, level - dependent spreading function, non - linear superposition and forward masking was proposed

    摘要提出了基於臨界頻帶率、依賴于度的擴展、非線性迭加和前向掩蔽效應的參心理聲學型。
  6. Therefore, a model of three sectors, respectively referring to domestic sector, manufacturing export sector and primary product export sector, has been established here to measure the technology spillover effects of export on domestic sector. finally, based on a broader framework, this dissertation went on to investigate the relationship between openness and china ' s economic growth, while the result shows that though there exists a notable dispute about how to measure the degree of china ' s openness, the index of trade dependence still maintains the better one to reflect china ' s economic openness. in the meanwhile, impulse response function ( irf ) method and forecasting errors variance decomposition ( fevd ) method, both of which are based on the vector auto - regression ( var ) system, are used here to investigate the dynamic relationship between openness and china ' s economic growth

    與傳統理論不同,新增長理論和新貿易理論都調技術進步的作用,因此本文構建了一個三部門的技術外溢效應型(國內部門、工業製成品出口部門以及初級產品出口部門) ,考察了工業製成品出口和初級產品出口對國內非出口部門不同的技術外溢效應;第四,從更加廣闊的視野就貿易開放度與中國經濟增長問題進行研究,有關貿易開放度如何度量一直是存在較大爭議的問題,本文首先對該類研究文獻進行了較為詳盡的述評,然後運用生產方法對所選取的5個貿易開放度度量指標進行了檢驗,結果發現盡管一些已有研究認為外貿依存度無法真實度量一國經濟開放水平,但是本文研究結果表明外貿依存度仍是度量我國貿易開放度的較好指標,進一步採用基於var系統的脈沖響應法以及預測誤差方法分解法對貿易開放促進經濟增長的作用進行了動態刻畫。
  7. In macroscopic aspect, it is taken as an example about how to model the relationship between the mix proportion of raw materials and the compressive strength of concrete using radial basis function ( rbf ) neural networks, which can achieve a global minimum

    宏觀上,以混凝土度為例,研究如何利用神經網路建立原材料配方與混凝土度的關系型。介紹可以全局收斂的徑向基( radialbasisfunction , rbf )神經網路。
  8. At first we improve the methods of iris image preprocessing, including an efficient arithmetic of evaluation iris images, an improving method of locating iris, calibrating iris image by the translation of coordinate and the circular shift of code, a eatimate of the background illumination by bicubic spline, and the image enhancement by the dual tree complex wavelet transform. next we designed the recognition arithmetic based on the location of the local maxima of the wavelet transform modulus. in the thesis lots of simulation are performed by means of matlab and visual c + +

    首先改進了虹膜預處理方法,實現了一種快速高效的虹膜質量評價演算法;設計了一種改進的兩步虹膜定位演算法,準確的定位了虹膜的內外邊界;利用坐標轉換和編碼的循環移位實現了對虹膜圖像的配準;利用雙三次樣條擬合虹膜圖像背景,去除了非均勻光照對虹膜識別的影響;使用二分樹復小波方法增了虹膜圖像的對比度;在識別演算法方面,本文設計了一種「基於小波極值點位置的虹膜識別演算法」 。
  9. The control of beam halo - chaos becomes a critical problem in the development of high intensity accelerator. efforts to remove the halo by collimation have been largely unsuccessful since the halos almost always regenerate. the mechanisms of halos are complex, such as nonlinear resonances and chaotic behavior etc. considering this, professor fang jin - qing who works in china institute of atomic energy pointed out that the theory of chaos control can be used to control beam halos. he presented the method to control halos by using nonlinear functions, which means nonlinear function g is added to the right of ion radial self - edlctric force equation and some nonlinear function are selected to control beam halos in simulations. in paper [ 69 ], controllerg = - 0. 15sin ( rmax - am ) 2 was used and the halo intensity was decreased to 0. 1078, the halos are removed partly

    束暈?混沌的控制是新一代流加速器研製的關鍵問題,隨著流離子束應用前景的日趨廣闊而日益成為研究的熱點。傳統機械限束器因無法解決束暈的再生而收效甚微,因為束暈的形成有著其內在動力學機制?非線性共振以及混沌等。基於此,中國原子能科學院研究員方錦清將混沌控制的理論和方法開創性的運用於束暈?混沌的控制上,提出了控制束暈?混沌的非線性控制策略,即在粒子徑向所受束自生場力方程的右邊加上非線性控制g :並選取一些非線性如等進行了控制的擬研究,將束暈度控制在0 . 1078左右,取得了初步的控制效果。
  10. In this text, we first do some research on the genetic algorithm about clustering, discuss about the way of coding and the construction of fitness function, analyze the influence that different genetic manipulation do to the effect of cluster algorithm. then analyze and research on the way that select the initial value in the k - means algorithm, we propose a mix clustering algorithm to improve the k - means algorithm by using genetic algorithm. first we use k - learning genetic algorithm to identify the number of the clusters, then use the clustering result of the genetic clustering algorithm as the initial cluster center of k - means clustering. these two steps are finished based on small database which equably sampling from the whole database, now we have known the number of the clusters and initial cluster center, finally we use k - means algorithm to finish the clustering on the whole database. because genetic algorithm search for the best solution by simulating the process of evolution, the most distinct trait of the algorithm is connotative parallelism and the ability to take advantage of the global information, so the algorithm take on strong steadiness, avoid getting into the local

    本文首先對聚類分析的遺傳演算法進行了研究,討論了聚類問題的編碼方式和適應度的構造方案與計算方法,分析了不同遺傳操作對聚類演算法的性能和聚類效果的影響意義。然後對k - means演算法中初值的選取方法進行了分析和研究,提出了一種基於遺傳演算法的k - means聚類改進(混合聚類演算法) ,在基於均勻采樣的小樣本集上用k值學習遺傳演算法確定聚類k ,用遺傳聚類演算法的聚類結果作為k - means聚類的初始聚類中心,最後在已知初始聚類和初始聚類中心的情況下用k - means演算法對完整據集進行聚類。由於遺傳演算法是一種通過擬自然進化過程搜索最優解的方法,其顯著特點是隱含并行性和對全局信息的有效利用的能力,所以新的改進演算法具有較的穩健性,可避免陷入局部最優,大大提高聚類效果。
  11. The blade inner channel cooling is a complex convection - conduction coupling problem. this thesis build a three - dimension. compressible turbulence model, and give a general solve method. with the geometrical model of the glossily rectangle straight channel, the rectangle straight channel with in - line arrays disturb plates, the rectangle straight channel with staggered arrays disturb plates, the rectangle straight channel with slant disturb plates, this thesis compute the flow and heat transfer condition when the cold air path though these channels, and gain the temperature field, pressure field, velocity filed, in addition. this thesis also analyze the influence of the different channel height, the different channel materials, the different channels, and gain the function relation between he nusselt number, friction factor and reynolds number. this thesis is emphasis on the new heat transfer enhancement structure, that is, disturb plates, with the comparison with the glossily channel and channel with pin fins, the heat transfer enhancement effect of the former is better, and the conclusion can be used in the design of aircraft blade

    葉片內部通道冷卻是一個復雜的對流?導熱耦合傳熱問題,本文在分析葉片內部通道冷卻的流動與傳熱情況的基礎上,建立了三維、可壓縮紊流的物理型,得到了通用的求解辦法;利用不帶擾流片的矩形直通道、帶順排擾流片矩形直通道、帶叉排擾流片、帶傾斜擾流片的矩形直通道的幾何型,計算了冷卻空氣通過這幾種通道時的流動與換熱情況,得到了各種不同情況下計算區域的溫度場、壓力場、速度場;在此基礎上分析了不同的通道高度、不同的葉片通道材質對葉片內部通道冷卻的影響,並整理得到了各種通道形式下,努謝爾和阻力因子與雷諾關系;本文重點研究了新型的葉片內部通道冷卻化傳熱措施?帶擾流片的內部冷卻通道的化傳熱效果,通過與光滑矩形直通道、帶針肋通道的冷卻效果的比較,表明了這種新型鮚構的優勢,對于葉片內部通道冷卻結構的設計可以起到指導的作用。
  12. The experiment shows mbid can produce the enhanced pressure field at hydrophone array, provide modal domain representation of pressure ( modal functions and horizontal wavenumbers ) and target ' s bearing ( plane waves ), and have good adaptive ability and robustness against mismatch

    實驗據和據的結合驗證了基辨識器不僅能夠產生增的水聽器陣處的聲壓場表示,而且能夠輸出域表示(深度和水平波)和目標的方位(平面波型) ,也具有較好的自適應性及對失配的寬容性。
  13. Based on the propagation law of the cross - spectral density function in the space - frequency domain, the properties of polychromatic vector gsm beams through a paraxial optical abcd system are studied. the analytical propagation expressions for the cross - spectral density matrix of vector gsm beams passing through a paraxial optical abcd system are derived, which permits us to study the propagation properties of vector gsm beams, including the propagation - induced polarization changes, effect of the spectrum bandwidth and irradiance distributions in a unique way. there are some applications of the theoretical results

    基於空間一頻率域中交叉譜密度的傳輸理論,研究了多色矢量gsm光束通過abcd光學系統傳輸時偏振特性的變化規律,首次推出了矢量高斯一謝爾刑fgsm )光束通過近軸abcd光學系統交叉譜密度矩陣的傳輸公式,並對矢量gsm光束傳輸中偏振的變化、譜寬的影響和度的分佈等進行了統一研究。
  14. On the basis of theory analysis, the average transmitted light intensity ( correspond to dc value ) was determined as characteristic parameter of raw water using photoelectric method for monitoring the fluctuation of transmitted light and photometric dispersion analyzer ( pda ). the dc value was closely related to both particle concentration and surface area of sand clay simultaneously. the experimental results shows that there is an exponential function relation between dc and surface area of sand clay in unit volume water ( sp ) : dc = asbp in which a and b are empirical coefficients. then the formula of macromolecule flocculant dosage is found to be d = f ( dc ) = e ( dc ) f in which e and / are empirical coefficients and the average correlation coefficient equal to 0. 981. so the model of automatical control system of water treatment plant was established using the formula

    應用透光率脈動檢測技術和光散射顆粒粒度分析儀( pda ) ,通過理論分析,將pda的輸出信號之一? ?平均透光度(對應于dc值)作為原水的特性表徵參, dc值可以同時反映顆粒濃度和比表面積因素的影響,試驗結果證明, dc值與單位體積水中泥沙顆粒總表面積s _ p之間具有很好的冪關系: dc = cs _ p ~ d ,式中c 、 d為經驗系,進而得到了以dc值為參的高分子絮凝劑投藥量公式: d = f ( dc ) = e ( dc ) ~ f ,式中: e 、 f為經驗系,平均相關系達0 . 981 ,利用所建立的公式,建立了前饋? ?后饋聯合控制的在線自動投藥型。
  15. This paper mainly discussed the optimization design of two - stage star - type gear transmission system. it covered the two sides : one - stage gear transmission and two - stage gear transmission. on the basis of their analysis and research, the mathematic models are created which include the objective functions of minimum volume and minimum center distance, the constraints of contact strength, bend strength and scuffing strength

    本文主要研究了航空發動機星型齒輪傳動系統的優化設計,對單級齒輪傳動和兩級星型傳動都進行了深入的分析和探討,分別以系統體積最小和中心距最小為目標,以齒輪的接觸度、彎曲度、膠合度等為約束條件,建立了完整的型。
  16. Making logistics in reason rests with making transport in reason in most extent. in view of three ration require, that is, long distance transport between one producing area and one customer, ration between one logistics center and multiple customers, ration among multiple producing areas, multiple logistics centers and multiple customers, this paper carry out synthetic analysis and discuss according to theory related operational research such as dynamic programming, chart theory and network analysis, transport problem of liner programming. many factors influence the selection of regional logistics center allocation

    影響區域物流中心選址的因素較多,論文根據學理論,對多因素決策問題提出用貼近度的方法比較被選地址與理想目標的接近程度,用層次分析法確定各評價指標的權重,與隸屬綜合成隸屬度,並用實例說明該方法的有效性。同其他方法相比較,綜合分析法可操作性更
  17. By making use of the strong bound quantum dot model and neglecting the effects of impurity on electron wave function, this thesis is also reported how to use the spin of nuclear as the quantum bit

    利用束縛量子點型,忽略雜質對于電子波的影響,我們還討論了如何利用核自旋構造量子位。我們計算了垂直耦合量子點中電子和核子的超精細相互作用。
  18. But modern electrohydraulic servo systems have obvious nonlinear characteristics and often are required to have the ability to trace any curve function and endure relatively big outer disturb. so the working dot of the system changes greatly during the working process, which makes the linear model inapplicable

    然而電液伺服系統中存在著明顯的非線性特徵且近代電液伺服系統往往要求系統具有點點跟蹤任意非直線的能力並能夠承受較的外負載干擾,因此工作過程中系統的工作點在較大的范圍內變化,從而使增量線性化型難于奏效。
  19. Results showed csa had strong ability of function optimization and maintaining diversity. it was one of effective algorithms for multi - modal functions and non - stationary functions optimization

    研究結果表明,該演算法優化能力和保持式多樣性的能力較,能夠獲得較好的多和時變優化效果。
  20. Aiming to solve this problem, the work of the thesis is shown below : 1. the product ambiguity function ( paf ) - based adaptive time - frequency distribution is proposed. in specific, two adaptive methods for kernel design, the radon - paf based method and the paf - lag - varying filter based method, are presented

    本文針對這一問題開展了如下工作: 1 .提出了基於乘積性的自適應時頻分佈,並給出了兩種針對線性調頻信號的自適應核設計方法,包括基於radon - paf濾波和基於paf時變濾波的方法,使得該時頻分佈能夠在增時頻聚集性的同時抑制交叉項。
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