函數的增量 的英文怎麼說

中文拼音 [hánshǔdezēngliáng]
函數的增量 英文
increase of function
  • : 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
  • : 4次方是 The fourth power of 2 is direction
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • 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. Initial growths of disturbances are measured by means of hot - wire anemometry. due to the detected signals with low signal to noise ratio, the coherence function is used to eliminate background noise during data reduction

    在擾動初始階段,信號信噪比非常地低,根據相關譜分析方法,應用相干,將擾動信號有效地提取出來,測了初始擾動長。
  2. The influence of the cloud droplet spectrum character and the spectrum growth and change is considered, which does not use a cut - off value for conversion from cloud water into rain water process. in the continuous coalescence equation, the particles fall velocity difference is not moved out from the integral, but is integrated in the equation as the function of diameter d to avoid the error of using particles average fall velocity. in the new scheme, generation rate of graupel due to the collection of snow by graupel and the collection of cloud ice by graupel are included

    雲中凝結核ccn濃度採用超幾何表示;雲水向雨水自動轉換過程採用grabowski ( 1999 )公式,考慮了雲滴譜特徵和發展變化對該過程影響,而不是採用原方案給定閾值方法描述該過程;對連續碰並方程不再將粒子落速差作為常提出積分號外,而是直接作為粒子直徑在積分號內求解,這樣處理可以迴避使用粒子群平均落速帶來誤差;加了霰和雪、霰和冰晶碰並微物理過程。
  3. This paper develops a deterministic inventory model for perishable items with a mixture of back orders and lost sales under inflation and time discounting, where the backlogged demand rate is dependent on the negative inventory level during the stock out period. the main differences from the existing related models are that the present model takes the maximum present value of profit in a repeatable order cycle as the objective function and proposes a more practical constraint of maximum customer - waiting time to ensure a proper customer service level. then the existence and the uniqueness of the solution to relevant systems are examined and a solution algorithm is shown to find the optimal replenishment policy. at last, some numerical examples are presented to illustrate the applicatioh of the model

    本文建立了一種考慮通貨膨脹與時間價值變質性物品庫存模型,在模型中允許短缺發生且拖后需求速率與在缺貨期間已經發生缺貨有關.和已有相關模型主要區別在於本模型把一個可重復訂貨周期內最大平均利潤凈現值作為目標,且加了在缺貨期間最長顧客等待時間限制,以確保庫存系統擁有較高服務水平.然後討論了模型最優解存在性與唯一性,並提供了尋求模型整體最優解演算法.最後用實例說明了此模型在實際中應用
  4. The representative failure models of arch rib are searched and the rib section resistances are calculated by incremental method and disadvantage loading in the control sections. the structure reliability assessment index on bearing capacity of the arch - bridge is calculated by the function of bearing capacity reliability, structure resistance probability model, load action effect probability model and jc method

    對每種荷載布置型式,採用荷載法進行拱橋結構失效模式尋找和截面抗力計算,給出其承載力可靠度功能,推導功能中結構抗力和作用效應概率模型,並利用改進一次二階矩法計算在用拱橋承載力可靠度指標評估值。
  5. Compared with the classical bp algorithm, robust adaptive bp algorithm possesses some advantages as following : ( 1 ) increasing the accuracy of the network training by means of using both the relative and absolute residual to adjust the weight values ; ( 2 ) improve the robustness and the network convergence rate through combining with the robust statistic technique by way of judging the values of the samples " relative residual to establish the energy function so that can suppress the effect on network training because of the samples with high noise disturbances ; ( 3 ) prevent entrapping into the local minima area and obtain the global optimal result owing to setting the learning rate to be the function of the errors and the error gradients when network is trained. the learning rate of the weights update change with the error values of the network adaptively so that can easily get rid of the disadvantage of the classical bp algorithm that is liable to entrap into the local minima areas

    與基本bp演算法相比,本文提出魯棒自適應bp演算法具有以下優點: ( 1 )與魯棒統計技術相結合,通過訓練樣本相對偏差大小,確定不同訓練樣本對能貢獻,來抑制含高噪聲干擾樣本對網路訓練不良影響,從而強訓練魯棒性,提高網路訓練收斂速度; ( 2 )採用相對偏差和絕對偏差兩種偏差形式對權值進行調整,提高了網路訓練精度; ( 3 )在採用梯度下降演算法對權值進行調整基礎上,通過將學習速率設為訓練誤差及誤差梯度特殊,使學習速率依賴于網路訓練時誤差瞬時變化而自適應改變,從而可以克服基本bp演算法容易陷入局部極小區域弊端,使訓練過程能夠很快「跳出」局部極小區域而達到全局最優。
  6. | | of sb and that there exists a positive nondecreasing function ( a ), a > 0, such that with some k, r, b > 0. then assuming also that ( ) is a regularly varying function at zero, or at infinity, with a positive exponent, [ l ] has proved large deviation results for increments like sup sup | | ( t + s ) - ( t ) | |, which then used to establish module of continuity and large increment estimates for ( )

    假設存在正非降( a ) , a 0 ,使得對某個k , , 0 ,有成立,還假設( ? )是帶有一個正指,在零點正則變化,文[ 1 ]中給出並證明了形如有關結論,並由此建立了( ? )及連續模極限定理。
  7. Based on the spectral irradiance measured with the sun - atmosphere ultraviolet spectrum radiometer ( sauvs ) developed by the institute of atmosphere physics and the changchun institute of optics and fine mechanics, chinese academy of sciences, measuring the direct and scatter irradiance spectrum of ultraviolet waveband which arrives in beijing global surface, giving a method of retrieving the aerosol optical depth ( aod ) and put up with primary results that exponential function can fit the retrieval results according to its visibility, putting forth different coefficients and functions on variable visibility, also giving a primary analysis on the aod in dust - storm day and some contrast between sun - day and dust - storm day, analyzing the ratio between scatter and total irradiance, and its relationship with atmosphere mass and total atmosphere optical depth, lastly contrasting with the survey results by aeronet beijing station, the results of retrieval is in reason, this work gives some help in researching the co - effect of aerosol - radiance - climate and makes preparation for further survey on the radiance characteristics of dust

    利用中國科學院大氣物理研究所與長春光學精密機械研究所合作研製太陽?大氣紫外光譜輻射計( sauvs ) ,測到達北京地表太陽直接和散射紫外光譜輻射,導出了大氣氣溶膠光學厚度。初步結果表明:北京紫外波段大氣氣溶膠光學厚度在絕大部分情況下隨波長加而單調減小,用指可以較好地擬合反演結果,統計得到了三個水平能見度狀況下擬合值和公式表達式;初步分析了揚沙、浮塵、沙塵暴天氣條件下氣溶膠光學厚度特點,並與一般晴朗天氣條件下氣溶膠光學厚度特點做了比較分析;分析了太陽紫外譜輻射中散射輻射與大氣質、大氣總光學厚度定性關系和定表達式;最後與全球氣溶膠監測網路( aeronet )北京站資料做比對,表明反演結果基本合理。
  8. 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能力並能夠承受較強外負載干擾,因此工作過程中系統工作點在較大范圍內變化,從而使線性化模型難于奏效。
  9. According to location optimum means of passive control devices based on active control theory, the method using system index delicacy and system index increment to solve linear quadratic objection function is improved. thus such cases as repetitive location of ved can be taken into account

    根據主動控制理論被動控制器位置優化,改進了採用系統指標靈敏度和系統指標實現二次型目標方法,使其能考慮ved位置重復放置情況。
  10. Finally a set of equations with initiate values for boundary value problem is established where the velocity potential and its normal derivative are unknowns. because the model includes the effects of both the time and space to the velocity potential of free surface, it can be applied to strong nonlinear wave. as examples, solitary wave is computed in the numerical flume

    推導給出計算域內以所有節點波勢和波面位置高度時間為未知線性方程組,並同時考慮時間因素和空間變位對波面勢影響,在預設計算精度下,通過時步內循環迭代逐一確定每個時步上波面運動位置,從而建立了一種可適于求解強非線性波浪變形計算值模式。
  11. Such an approach not only is useful for distributive aggregate functions such as sum but also can be applied to the maintenance of holistic aggregate functions like median which will require the storage of a set of tuples for each equivalence class

    該方法不僅對分佈型聚集如sum非常有效,而且也可以應用於非分步型聚集如median維護。這樣聚集需要存儲所有基元組。
  12. ( 3 ). the flattening arithmetic of an edfa was presented based on the inter - correlative function between the gain spectrum function of the edfa and that of the reserve transmission spectrum of the lpfg. for optimal matching between the two spectra, the flattening arithmetic calculates the variation of the resonant amplitude and wavelength of the lpfg

    Iii .提出了一種動態益均衡平坦演算法,這種演算法本質就是利用摻鉺光纖放大器益譜和新型長周期光纖光柵透射譜反轉譜相關性,給出新型長周期光纖光柵諧振峰幅度和位置調節,使改變后新型長周期光纖光柵反轉譜線能和edfa益輸出譜線進行最佳匹配。
  13. Abstract : in this paper, we propose an improved lagrangian relaxation algorithm to solve job - shop scheduling problems. besides the addition of augmented objective, we expand the search scope of near - optimal solutions and improve the computational efficiency greatly by restricting the solution scope of sub - problems and modifying the search method of dual problem. at the same time, we develop a genetic algorithm combining with the lr ( lagrangian relaxation ) method. using the numerous useful solutions we get in the lagrangian relaxation as the original genes, we can improve the solution further. test results show that these methods achieve satisfied outcome for job - shop problems. they can also be applyed to other programming problems with constraints

    文摘:針對車間調度問題,提出了一種改進拉氏鬆弛演算法.在加輔助目標基礎上,通過對子問題限制和搜索策略改變,使拉氏演算法計算減少,近優解搜索能力有很大改善.本文還提出了一種基因優化演算法,充分利用拉氏演算法得到多個近優解,進一步優化結果.模擬結果表明對車間調度問題得到了較好結果.本方法也可用於其它有約束規劃問題
  14. Under linear demand and cost functions, we have reached the following main conclusions : ( 1 ) the capitalist selects his optimal location at the market with the smaller demand under the two pricing policies ; ( 2 ) total output under mill pricing is higher than that under uniform pricing ; ( 3 ) the dealer will prefer mill pricing, whereas the preference of the capitalist is indeterminate ; ( 4 ) the welfare level under mill pricing is definitely higher than that under uniform pricing ; ( 5 ) under uniform pricing, the optimal number affirms declines with an increase in the royalty ratio paid to the capitalist

    在線性需求與成本假設下,本文得到結論是: ( 1 )在此二訂價制度下,資本家均會將購物中心設立於需求較小之市場而有角隅解,但在運費外加情況下,則可能得到中間解; ( 2 )單一出廠訂價之產高於單一運送訂價之產; ( 3 )廠商偏好採用單一出廠訂價,但資本家之偏好則未定; ( 4 )單一出廠訂價之社會福利必定高於單一運送訂價之社會福利; ( 5 )單一運送價格制度下最適廠商家之多寡隨支付給資本家權利金之比率加而減少。
  15. According to the wind speed distribution function with exponential rule, the difference value is accurately calculated between the actual wind power produced through the rotor swept area and the wind power produced by taking wind speed at the rotor centre as the design wind speed, and the power increment is obtained

    摘要根據指風速分佈,對風輪掃掠面積上實際風功率與以風輪中心風速為設計風速產生風功率差值做精確計算,得到了風功率
  16. Through the study in the data reduction, this paper presents a new reduction algorithm named horafa - svdm and an incremental algorithm of the heuristic optimal reduct finding algorithm of the frequencies function named horafa ? a

    本文通過在據約簡方面研究,提出了對利用屬性頻率啟發式約簡演算法改進演算法? ? horafa ? svdm演算法,以及這個演算法版本? ? horafa ? ia演算法。
  17. Efficient incremental maintenance for distributive and non - distributive aggregate functions cui - ping li and shan wang

    有效針對分佈型和非分佈型聚集函數的增量維護
  18. Frist, this paper uses unit root test and cointegration techniques to study the correlations between chinese pulic capital and private capital formation, production efficiency and economic growth under the total production function by examining the sample from1978 to 2003

    本文第一個工作是在總生產框架下,以1978 - 2003年為樣本期,運用單位根檢驗和協整分析方法研究了中國公共資本和私人資本形成、產出效率與經濟長之間相關性。
  19. Conference on very large data bases vldb 00, cairo, egypt, 2000, pp. 461 - 472. 10 lakshmanan l v s, pei j, han j w. quotient cube : how to summarize the semantics of a data cube

    本文針對可分佈型聚集如sum ,提出了兩種有效維護方法,一種是單元組遞更新方法,另外一種批更新方法。
  20. In this thesis, firstly, we introduce generalized gaussian distributions to model the distributions of dct coefficients of an el frame. then, according to quantization theory, we analyze the distortion - rate function of the generalized gaussian model, with which we conclude that for the actual fgs coding, the derivative of actual distortion - rate function usually decreases continuously as the rate increases, and then begins to increase slowly at a comparatively high bit rate. finally, guided by the

    然後分析了fgs編碼化模式,並把它應用到ggd分佈上,得到了ggd分佈率失真變化規律,從而獲得實際fgs編碼率失真變化規律,即fgs編碼失真速率先隨著碼率加而逐漸減小,然後在碼率比較高時候開始隨碼率加而緩慢地加。
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