函數測向法 的英文怎麼說

中文拼音 [hánshǔcèxiàngfǎ]
函數測向法 英文
functional direction finding
  • 函 : 名詞1. [書面語] （匣; 封套） case; envelope 2. （信件） letter 3. （姓氏） a surname
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 測 : 動詞1. （測量） survey; fathom; measure 2. （測度; 推測） conjecture; infer
  • 法 : Ⅰ名詞1 （由國家制定或認可的行為規則的總稱） law 2 （方法; 方式） way; method; mode; means 3 （標...
  • 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. The studies of plane heterogeneity are as follows : the text counts the parameters of the sandlayers " geometric shape of different sedimentous microfacies ; speculates the conditions of lateral communication by sandstone density according to the method brought forward by j. r. l. allen ; gets a group of parameters including the reservoir thickness, porosity and coefficient of permeability by using kriging method according to the data of logging results ; makes certain the direction of coefficient of permeability with variation function by modeling globosity function ; divides the sandlayers into five types by using the method of flowing cell based on three parameters, that is x h, kxh and h / h, and accounts the favorable region. on the base of above - mentioned studies, the text evaluates the heterogeneity of sandlayers and gives the resolutions to these problems to serve the development of the field

    Allen ）等人提出的統計方法，用垂向上砂體密度的界限來推測砂體側向連通情況；根據每口井的測井解釋資料，利用克里金插值法對外間進行插值，得到了一組反映儲層特徵在平面上變化的參數，包括儲層厚度分佈、孔隙度以及滲透率，並且成圖；利用變差函數法，通過球狀函數模擬，確定儲層優勢滲透率方向：根據流動單元法，以儲能系數、容積系數以及凈毛厚度比三個參數為依據，通過聚類分析方法進行流動單元劃分，並且按照參數特徵將其分為五類，統計各砂層有利流動單元區塊。
  2. Subsequently, i will establish the simple forecast model ( sfm ) to solve the stock price forecast problem. then i seriate the decision function in the progress of svm, accordingly the simple forecast arithmetic ( sfa ), which is used to solved the sfm, will be developed

    隨后對股票預測問題建立了簡單預測模型，並將支持向量分類演算法求解過程中的決策函數連續化，從而建立了求解簡單預測模型的簡單預測演算法。
  3. This paper first begin with the connotation of virtual instrument technology, study and discuss the criterion and the working theory of usb deeply. on the principle of usb1. 1criterion, using usb interface chip usbn9604 and low consumption mirochip c8051f231, we designed the available interface of usb bus and its controlling software, turn the communicating function based usb bus between computer and testing device. second based on the developed interface of usb bus, using microchip pic16c62 and a mount of relays, we designed the multiswitching scanner and its controlling software to complete the funtion of accesses swithing in testing system. third calling the api function inside the windows using vb programming language, communicat with the impelling program of selected hid, achieve the function of testing instrument with usb interface, complete the development of upside software faced testing. at last, based on the deep studying of pcb testing method, used the developed multiswithing scanner and software faced testing, combinated with necessary testing instrument, we constructed the pcb testing system and analized the testing result simply

    論文首先從虛擬儀器的技術內涵出發，深入研究和討論了通用串列總線usb規范及工作原理，並依據usb1 . 1規范，採用usb介面晶元usbn9604和低功耗微處理器c8051f231設計開發了通用的usb總線介面及其控制固件，實現了通用計算機與測試設備之間基於usb總線的通信功能；其次，在所開發的usb總線介面的基礎上，使用微處理器pic16c62和多路繼電器開關，設計開發出實現測試系統中測試通道切換功能的多路通道掃描器及其控制固件；再次，採用vb語言編程，調用windows內部api函數，與選定hid類驅動程序進行通信，實現usb總線介面測試儀器功能，完成面向測試的上層軟體開發；最後，在深入研究印刷電路板測試方法的基礎上，利用已開發的多路通道掃描器和面向測試軟體，結合必要測試儀器組建印刷電路板測試系統，並對測試結果進行了簡要的誤差分析。
  4. Aiming at the study actuality of fan performance monitoring system and analysis of fan performance curve changes affected by inlet - box and the different fixed - angles of guide blades in the course of installation, a fan flow monitoring model based on rbfnn in whole flow zone was established in this thesis. in the model, the method of no throttle and fan performance curve were used as basis. and on the basis of that model, fan performance curves of 4 - 73no. 8d were approached with experimental data of different speed, different opening - angles of guide blade and different resistance of pipeline, the precision and the error law of model were studied

    本文針對電站風機性能監測系統研究較少的現狀，在實驗的基礎上分析了現場加裝進氣箱和由於安裝造成的導流器葉片開度不一致對風機性能曲線的影響，並在此基礎上採用無節流方法測量流量，以風機調節性能曲線為依據，建立了基於徑向基函數（ rbf ）神經網路的風機流量全程監測模型；以實驗室4 - 73no . 8d離心風機為研究對象，探討了rbf神經網路差壓模型在變轉速、變導流器開度和變管網阻力等工況下的應用精度和誤差分佈規律；最後用visualc + +語言開發了風機性能在線監測系統。
  5. Based on the firsthand observation information obtained from air observation, this paper gived a second extrapolation to aircraft possible flight path and made checks on targets relativity by the method of utility function overall evaluation, accomplished the data fusion of targets information, and resolved the problem of relating of air observation information fusion and flight path extrapolation

    摘要在得到對空觀察哨直接觀測信息的基礎上，對目標可能航向進行二次外推，並利用效用函數綜合評估法對目標相關性進行檢驗，完成對目標信息的融合，解決了觀察哨情報數據關聯和航跡外推問題。
  6. Forecasting method of chaotic time series based on rbf

    基於徑向基函數的海雜波時間序列預測方法
  7. A smoothing technique is combined with optimum approximation and finite element piece - wise interpolation in the method, it can simultaneously process measured vector components, imp ro ve smoothing capability of solution, space composed of original discrete points and increase the accuracy of the solution, especialy its derivatives

    該方法結合最佳逼近、有限元分片插值與光順技巧，對測量向量各獨立分量進行處理，改善了原離散點構成的解空間的光滑性，提高了解尤其是導數場的精度，在測量區域內再現了光順向量函數及連續的導數。
  8. In this research, fatigue life of laminate composite is predicted phenomenologically, dealing mainly with in - plane stresses without accounting for out - of - plane failures such as delamination. fatigue modulus is used as a physical parameter which helps to describe the basic fatigue behaviour of unidirectional laminates and obtain expressions for cumulative damages defined by strains. based on some typical fatigue test data for unidirectional composite laminates, a cumulative fatigue damage model is presented for predicting the fatigue life of multidirectional laminates with arbitrary stacking sequence under complicated fatigue loadings

    本文以碳纖維/樹脂基t300 / qy8911層壓結構為研究對象，從唯象的觀點出發，以疲勞模量為參量構造損傷函數，基於幾組最典型的單向板疲勞試驗數據，建立單向板在多軸循環應力作用下的疲勞壽命模型，並以此為基礎，發展同種材料體系的任意鋪層形式的多向層壓板在復雜循環載荷作用下的疲勞壽命預測方法。
  9. Based on investigation and analyzed of international & domestic economy and trade, the author analyzed concretely the status quo of technological development in cosco ; introduced the theory & method of calculating science and technology advancement in shipping enterprise ; clarified the idea of " the soul of cosco development is enhancing technological innovation " and the golden thought & rule of the development aiming at weakness & pivotal tache which were existent ; established the whole target and key orientation of cosco development

    作者以調查分析國際、國內經濟和貿易環境為著眼點，具體定性分析了中遠集團科技發展的現狀；介紹了測算航運企業科技進步的理論與方法，並運用生產函數法對中遠的科技進步作用進行了量化分析；針對中遠存在的問題，闡明了「加強技術創新是中遠發展的靈魂」的觀念和科技發展的指導思想和原則；確立了中遠集團發展的總體目標和重點方向。
  10. Taking erectophile type continuous vegetation as a example, authors had done many monte carlo simulations, and established empirical analytic expressions of radiances with component temperature, soil emissivity and leaf area index. empirical analytic expressions were used to construct objective function and genetic algorithm was employed to synchronously retrieve 5 parameters, such as component temperature, soil emissivity and lai, from thermal infrared 2 channels and 2 angles data. many experiments of genetic algorithm inversion from simulated data were conducted, results show that it is very robust to retrieve component temperature using genetic algorithm ; genetic algorithm can cope with uncertainty inversion problem pretty well if full advantage of priori knowledge was taken. comparison between inversion results and ground - truth data has been done. this paper offers a new example to retrieve component temperature from multi - channel, multi - angle thermal infrared data based on the model of directionality of thermal radiance

    在熱輻射方向性規律的基礎上，以喜直型連續植被為例，進行了大量的monte carlo模擬，建立了輻射亮度和組分溫度植被葉面積指數及土壤比輻射率之間的經驗函數關系。採用遺傳演算法，從熱紅外2個波段2個角度數據中，同時反演混合像元組分溫度土壤比輻射率和葉面積指數等5個參數。通過對模擬的觀測數據進行大量的遺傳演算法反演試驗，結果表明，遺傳演算法反演組分溫度非常穩健，在寬松的先驗知識條件下，遺傳演算法可以解決不確定性反演問題。
  11. Aiming at the control feature of large ship, the authors designed a 2 - rank derivative multi - step neural network predictive model and the algorithm of the large delay ship ' s course, and presented a fuzzy control autopilot scheme based on the model with rbf neural network and fcmac controller, it solved problems of model online identification and controller online design in traditional adaptive control, so that the high precision output follow - up control of large ship with large delay and uncertain nonlinear features can be realized

    摘要針對大型船舶控制特性，設計了船舶航向的神經網路二階導數多步預測模型及其辨識和預測演算法，提出基於徑向基函數神經網路多步預測模型和模糊小腦模型關節神經網路控制器的大時滯船舶航向模糊控制自動舵方案，解決傳統自適應控制中模型的在線辨識和控制器的在線設計問題，以達到對具有大時滯、不確定非線性特性的大型船舶實現高精度輸出跟蹤控制。
  12. The difference between bp networks and radial basis function networks is pointed out, and we discuss the decision of two important parameters of radial basis function networks. also, we improved on hcm algorithm which is often used to forecast by combining input vector with output vector and getting extended vector when we decide key parameter of radial basis function networks - - - - center vector

    文中指出了bp網路與徑向基函數網路的區別，討論了徑向基函數網路的兩個重要參數的設定。在確定徑向基函數網路的關鍵參數? ?中心向量時，通過結合輸入輸出向量得到擴展向量的方式改進了徑向基函數網路用於預測中常用的hcm演算法。
  13. Prediction of stock market data based on improved algorithm of radial basis function network

    基於徑向基函數網路的改進演算法的股市數據預測
  14. We adopt another fault diagnosis method for the checking of polluted mycelia in the microbiological fermentation process. the method combines nonlinear principal components analysis technology with support vector machines to construct multi - layer support vector machines. the multi - layer support vector machines are able to extract main monitoring variables from many process variables, also obtain decision function with excellent generalization performance from limited samples of fault

    在這里採用了另一種故障診斷方法，即把主元分析同支持向量機結合起來，這樣既可以從過多的監測變量中提取出主要的監測變量，又可以從有限的故障樣本得到具有較強推廣能力的決策函數。
  15. In this paper, we study a new method of automatic detection of target course - altering maneuvers based on a linear measurable function of bearings varying with time when the target travels on a straight line at a constant speed

    摘要根據觀測器目標保持勻速直線運動時目標方位隨時間線性變化的一種可量測函數，研究了一種檢測目標轉向機動的新方法。
  16. Five novel algorithms are proposed. they are pca support vector machine algorithm which is based on the idea of combination multi - class classification, weighted pca support vector machine algorithm, wavelet support vector machine borrowed idea from the kernel function, rs - svm dynamic prediction and fuzzy binary tree support vector machine. the performance and applications of the algorithms are studied in depth

    本文分析和總結了現有的幾種典型支持向量機演算法，提出了基於組合式多類別分類器思想的pca支持向量機演算法、加權pca支持向量機演算法、借鑒核函數方法的小波支持向量機演算法、 rs - svm動態預測方法、模糊二叉樹支持向量機等演算法，對其演算法性能和應用作了深入研究。
  17. Prediction method research based on radial basis function neural network

    基於徑向基函數神經網路的預測方法研究
  18. The work in this thesis is based on three technologies of multivariable statistical process control ( mspc ), the principal component analysis ( pca ), the partial least squares ( pls ) and the kernel density estimate ( kde ). the work involves the following contents

    基於多元統計過程式控制制方法中的主元分析法，偏最小二乘法和核函數分析法這三種技術，本課題主要研究了以下內容： 1 ）用面向對象的方法開發多元統計過程式控制制狀態監測應用系統。
  19. This paper investigates the application of the multivariate statistical process monitoring and control technology, which employs both multiway principal component analysis ( mpca ) and kernel density estimation ( kde ), to real time status monitoring and fault diagnosis of batch production processes

    本文主要研究了運用多向主元分析法和核函數法概率密度估計相結合的多元統計過程監控技術對間歇生產過程進行實時的狀態監測與故障診斷。
  20. Correlative function method and variable function method are used to calculate the relevant range of soil layer. the limit capacity of bored pile is determined by the cone penetration tests ( cpt ) and the static loading tests and related statistics parameters are also evaluated. considering the effects of group piles, the action effect is calculated by the settlement of pile foundation and the reliability index of single pile as well as group piles is determined by monte - carlo method

    本文選擇臨近場地的四座高層建築地基的全部勘測資料，以沿深度方向的一維平穩高斯隨機場作為樁基土層土性參數的數學模型，利用相關函數法和變異函數法計算土層的相關范圍，由cpt和靜載試驗結果綜合確定鉆孔灌注樁的極限承載力，進而對相同場地各試樁的承載力進行折算后檢驗其概率分佈，並估計有關統計參數：考慮群樁效應確定樁基承載力，由樁基沉降反算其作用效應，由monte - carlo方法計算單樁及群樁的可靠指標。
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