擬合數據 的英文怎麼說
中文拼音 [nǐgěshǔjù]
擬合數據
英文
fitting data-
The computational results of the particle images are agreement with the simulated datain reasonable, the most absolute difference of the displacement is 0. 6671 pixel at the x abscissa and 0. 7928 pixel at y abscissa ; the computational results are equal to the data form the algorithm of particle brightness - distribution pattern tracking ( the conventional cross - correlation algorithm ) at voluminous points, their discrepancy is only one pixel at few points, mostly in boundary area
西安理工大學碩士學位論文最後,在visualfortran環境下給出了這種演算法的具體實現,處理模擬粒子圖像的結果與模擬數據比較吻合,最大位移絕對誤差在x方向是0 . 6671像素,在y方向是0 . 7928像素;計算結果與示蹤粒子灰度分佈模板法(基本的互相關法)在絕大部分點是相同的,只在少數點相差一個像素,而且大多出現在邊界區域。2 the theoretical values of the second virial coefficient are precisely fitted into some simple expressions. according to one of them, a new temperature function for the quadratic terms in cubic equations was derived : the function is simple, general, without acentric factor, truly predictive, theoretically sound, and applicable to all the van der waals - type equations
2將第二維里系數的理論值較精確地擬合為幾種簡單的表達式,並據此導出了立方型狀態方程中二次項溫度函數的新形式該式簡單、通用,不含偏心因子,具有真正的預測功能和堅實的理論基礎,原則上適用於所有vanderwaals型方程。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
由於聲失配理論和散聲失配理論對溫度和粗糙度有很嚴格的要求,所以直接建模所得的理論數據與實驗數據有很大的差距,本文採用聲失配理論與傳統研究方法相結合,通過與實驗數據的分析擬合,提出了修正的數學模型,預測誤差有了大幅度的提高。The support vector machine method for analogizing and forecasting groundwater data
地下水觀測數據擬合與預測的支持向量機方法Introducing the theory and application of boundary element method on the sound radiation, giving the process of solving vibration noise radiation problem using boundary element analysis software ; presenting the coupling theory and the combination analysis of finite element method and boundary element method, and doing relevant analysis based on close drum shell ; programming the noise data simulation program using the numerical calculation software, simulating the acoustic and pressure data of a key point in the transient response acoustic field of the close drum shell, realizing the audibility of the noise, using the virtual reality tools to simulate the vibration noise of the drum shell ; combining the finite element method and boundary element method to analyze the vibration noise radiation of some gear box, and completing the whole simulation process of the vibration noise of the gear box
綜合介紹了邊界元法在聲輻射問題上的理論及應用;並給出了運用邊界元法分析軟體求解振動聲輻射問題的過程。闡述了有限元法和邊界元法的耦合理論及組合分析方法,並以封閉鼓形薄殼為分析對象進行了相應的分析。利用數字計算軟體編制了噪聲數據模擬程序,並模擬了通過組合方法分析封閉鼓形薄殼瞬態響應聲場而獲得一關鍵點的聲壓數據,實現聲音的可聽化,隨后通過虛擬現實工具實現了該情形下橢球殼振動噪聲的虛擬模擬。Combined with the foundation research ( avigation science fund 04d52032 ) ” study on cfar detecting expert system base on clutter tracking ”. this paper study the fractal technic and snake algorithm on the application of clutter tracking. it proved that the method was effective by the algorithm which adapt to the real and simulant clutter data
本課題結合航空科學基金「基於雜波跟蹤融合的恆虛警檢測專家系統研究」 ,研究分形技術和snake演算法在雜波跟蹤中應用,設計了相應的演算法,通過分析真實數據和模擬數據驗證了演算法的有效性。Testing on rock sample data in dispersed shaly sands it shows that adding another parameter ( n ) to the model can decrease the relative error of fitted co. however, when we consider the difference of electrical properties between clay - bound water and formation water in the model, although another parameter ( qv ) is added to the model, the relative error of fitted co is increased slightly
通過一組分散泥質砂巖巖樣實驗測量數據的計算。表明模型中增加參數n ( m n )可以使擬合的c _ t的相對誤差減小,但在考慮粘土結合水與地層水導電性差別時,模型中雖多加一個參數q _ v ,卻沒有減小擬合的c _ t的相對誤差。2. the creep data were processed and analyzed with mathematical method. based on the experimental results, curve of creep rate versus stress and of creep rate versus temperature were curved
用最小二乘法對蠕變速度與應力及蠕變速度與溫度- t的幾組蠕變數據進行擬合,得到相應的方程。The method proposed in this thesis do well in solving the problems of multi - damping - ratio - spectra simulation. it is convenient to obtain the pareto optimal solution set of the multi - object question by using implicit parallel genetic algorithms and the method can meet the practical needs for simulating ground motions coinciding with multi - damping - ratio - spectra in seismic design. the crossing rate and variance rate are important parameters of genetic algorithms which affect the rate of convergence, the adapting rate of cross and variation in this paper can auto - adapt and according to stand or fall of current sample, it assures the sample approach to the pareto optimal solution set in fast convergent speed
較好地解決多阻尼比反應譜擬合問題;本文方法通過一次運行就能獲得一組具有集系特性的地震動,在擬合多阻尼比反應譜的人造地震波集系的模擬方面有傳統方法所不能比擬的優勢,產生的人造波或人造波集系可滿足工程抗震設計需要;在遺傳演算法中,交叉概率和變異概率是影響收斂速度的重要參數,本文採用的改進自適應交叉概率和變異概率,可以根據當前樣本的好壞程度來自動地選擇適當的交叉概率和變異概率,以保證演算法始終以較好的速度向pareto最優解集逼近。Research and application of a new method of curve fitting
實驗數據的曲線擬合方法及其應用It is a very effective method of curve fitting
用遺傳演算法進行數據擬合是一種行之有效的方法。Method of deal with data error by subsection curve fitting and discrete degree
分段曲線擬合與離散度加權的數據誤差處理方法This paper researches and analyses the developments of web technology and magnetostrictive transducers from world wide region. the paper also analyes the characteristics curve of magnetostrictive transducers based on its equivalent circuit and researches the method how to make sure its syntony frequency and its electric simulation network parameters. at the same time, by using jsp technology, a magnetostrictive transducer electric simulation application is designed based on b / s three - tier system structure. the experiment data is fitted by curve fitting module. the equivalent input impedance of it with stimulate loop is separated based on the results of curve fitting and the syntony frequency and electric simulation network parameters of magnetostrictive transducers is determined by the input impedance. the method presented in this paper can determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers with a better accuracy than the testing method of syntony & anti - synton y. further more, jsp, the advanced technology at current, has been used to realize a magnetostrictive transducer web electric simulation system. the system has good human computer interface and the function of resource sharing and information publishing. the research of this paper and its achievements have some practical merits in the researchful and applied fields of magnetostrictive transducer
用java編程語言編寫的曲線擬合模塊,對輸入的實驗數據進行了最小二乘法的曲線擬合;根據曲線擬合結果可從帶激勵線圈的磁致伸縮換能器的輸入阻抗中分離出磁致伸縮換能器鐵芯在無激勵電流時由機械振動形成的等效輸入阻抗,並由此輸入阻抗確定磁致伸縮換能器的諧振頻率及電氣模擬網路參數。本課題提出的方法與傳統的諧振?反諧振法相比,能更準確地確定磁致伸縮換能器的諧振頻率及其電氣網路參數。同時,採用當前比較先進的web技術,實現了基於jsp的磁致伸縮換能器web電氣模擬系統,該系統具有良好的人機界面和資源共享、信息發布功能。More and more people begin to attach importance to its potence gradually. according to the basic principle of vbi, this paper acquires related experience from the advanced technique for delivering of control signals during the period of vbi. it introduces a scheme using a single coaxial - cable to transmit video signals and control signals simultaneously, in which the key technique is the transmission of control signals in the vertical blanking interval of video signals
本文根據場消隱期傳輸技術的基本原理,通過借鑒國內外場消隱期傳輸信號的先進技術和相關經驗,提出一種新型的綜合數據傳輸業務的應用電視,闡述了其圖像信號和控制信號共纜傳輸的總體設計方案,並結合bch糾錯編解碼技術和systemview動態模擬軟體,實現和驗證了控制信號在場消隱期間的穩定可靠傳輸。The paper build a model of electric ship power system, include the model of motor and generator derived from simulink, the model of propeller build by the author, the model of load flow. after the process of model simulation, the dynamic curve of electrical ship were drawn out
應用simulink已有的電機模塊,再自行建立螺旋槳的simulink模型,結合數據庫模塊和用戶自定義的s函數模塊,建立了電力推進船的船?機?漿匹配模型,並進行了模擬計算和動態特性模擬,並進行了模擬結果分析。The basic elements of a control system using a digital computer consist of the data - gathering devices which perform analog - to - digital conversion on data form the system which is to be controlled ; the digital computer itself, which performs calculations on the data supplied and makes the necessary decisions ; and the means of communication with, or control over, certain of the elements in the external environment
由在數據上執行模擬數字的轉化的設備形成將被控制的系統的集合數據使用一臺數字的計算機的一個控制系統的基本的元素組成;數字的計算機自己,在供應的數據上它執行計算並且做必需的決定;並且通訊的工具與,或控制上,肯定在外部的環境的元素的。Because of the indetermination, randomicity and not line waiting factor for the egcs, the mathematics model for egcs ca n ' t be established completely precise, but the condition of elevator can at any time acquired this lesson does a lot of research work deep into egscs, and brings up a new control strategy : the dynamic and best method of t based of the field knowledge, that can attain a the whole coordination of elevator group
利用mfc框架結構,編制了系統運行動態模擬程序,進行了實例模擬計算和對比分析。本文構建的電梯動態最佳群控系統由綜合數據庫模塊、知識庫模塊、推理機模塊、數據採集與狀態監測模塊以及人機界面與知識獲取模塊,和故障查詢模塊等部分構成。其中知識庫模塊和推理機模塊是本電梯群控系統的核心部件。Firstly, by calling open client api, data transmission among simulation members was simply achieved. then, the api which suits for radar simuation system is developed based on open client api. on the base of the work, the data - layer interface which includes interface class, data - interface description file and code generation is developed
先是簡單地調用openclient介面函數實現模擬子系統與數據庫的數據傳輸,接著在openclient介面函數基礎上開發出適合於雷達模擬的數據傳輸統一介面函數,然後對數據層次生成方式進行改進,開發出由介面類、數據介面描述文件和代碼生成器組成的數據層次介面。The reconstruction of these digital human data sets of chinese origin provides excellent resources for medical education and life science research. our strong collaborative research effort and clinical strength can maximize the impact and utilization of advanced computing and engineering technology in modern healthcare and medical education, " said professor cheng
成功重建這批中國虛擬人數據集,為醫學教育及生命科學研究提供了珍貴的資源;我們結合出色的研究與臨床醫療的優勢,可使先進的電腦和工程技術在現代醫療和醫學教學發揮極大的影響和效用。Simulation result demonstrates its feasibility and shows this method accompanied with data reconciliation can significantly reduce sensor network investment. 5
模擬結果說明了問題定義和求解方法的可行性和有效性,還表明這種結合數據協調的配置方法可以有效地節約配置費用。分享友人