離差分數法 的英文怎麼說

中文拼音 [chāfēnshǔ]
離差分數法 英文
deviation score method
  • : Ⅰ動詞1 (離開) leave; part from; be away from; separate 2 (背離) go against 3 (缺少) dispens...
  • : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : 數副詞(屢次) frequently; repeatedly
  • : 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...
  1. This thesis tries to update the cmdsr system to achieve the characters below : real - time, better robust, higher recognition rate, non - special - man. considering the disadvantages of traditional improved spectrum subtraction speech enhancement, this thesis proposes the theory of fuzzy spectrum subtraction based on the fuzzy theory and improved spectrum subtraction speech enhancement ; as for the difficulties of detecting the endpoint of speech signal, the thesis gives the table of initial and the improved parameters, with which we can confirm the endpoints of mandarin digit speech ; the thesis puts forward two - level digit real - time speech recognition system, the first level is based on discrete hidden markov model which is linear predictive coding cepstrum ( lpcc ) and difference linear predictive coding cepstrum ( dlpcc ), the second level is based on formant parameters ; as for the realization of hardware, the thesis depicts the realization of every part of cmdsr based on the tms320vc5402 in detail ; as for the development of software, the thesis gives the software design flow chart of cmdsr, simulates the basic theory with matlab language and gives the simulation results

    針對傳統的「改進譜相減語音增強」參設定單一、環境適應能力的缺點,提出了一種利用模糊理論和「改進的譜相減」結合的「模糊譜相減語音增強」 ;針對語音信號端點檢測困難的特點,通過matlab模擬試驗,給出了能夠準確確定碼語音端點的初始和改進參表;提出了利用基於線性預測編碼倒譜參線性預測編碼倒譜參相結合的散隱含馬爾可夫模型進行第一級識別、利用共振峰參進行第二級識別的兩級漢語碼語音識別系統,在保證系統實時性的同時,實現連接漢語碼語音識別系統識別率的提高;在硬體實現上,詳細闡述了基於tms320vc5402的連接漢語碼語音識別系統各部硬體設計;在軟體開發上,給出了連接漢語碼語音識別的軟體設計各部的流程圖,並對各部進行了matlab模擬,並給出了模擬結果。
  2. In this paper, the crank - nicolson type finite difference method is applied to the benjamin - bona - mahony equation. we obtain the existence and uniqueness of the numerical solutions

    在這篇文章中,使用crank - nicolson有限散benjamin - bona - mahony方程,得到其值解的存在性和唯一性。
  3. In this paper, the upwind scheme and the central scheme are presented for solving 3 - d n - s equations using the cell - center finite volume spatial discretization and four - stage runge - kutta time stepping scheme, with standard convergence acceleration techniques such as local time stepping and implicit residual smoothing

    在n - s方程的值計算上,採用了中心格式和迎風格式,用格心格式的有限體積進行了空間散,用四步龍格?庫塔作顯式時間推進,並採用了當地時間步長和隱式殘光順等加速收斂措施。
  4. A normal transform is introduced, and there are enough much grids in the region between the critical layer and the wall, where the variation of the disturbance is the quickest. the finite - difference of governing equations with fourth - order accuracy in the normal direction is utilized in full regions including points close the wall, and is very important for accurately discreting equations. the combination of global and local methods is implemented, and a new iterative formula is derived

    對于曲線坐標系下的拋物化穩定性方程,文中發展了求解的高效值方:引進向變換,使得在臨界層與壁面之間的擾動量變化最快的區域有更多的向網格點;導出包含邊界鄰域在內的完全四階精度的向有限格式,這對方程精確散至關重要;採用全局和局部相結合的方及其新的迭代公式,大大加速收斂並得到更精確的特徵值。
  5. In chapter two, we consider full disceret scheme of mixed finite element methods for the following initial - value problems of linear integro - differential equations of parabolic in this chapter, we give the error analysis of this full discrete scheme and get optimal error estimates for the discrete solutions of u and p

    第二章討論下述線性拋物型積方程初邊值問題混合有限元方的后散格式。給出了該全散格式的誤析,得到了散解逼近未知函u以及伴隨速度p的關于空間和時間的最優階誤估計。
  6. After analysising three existed methods for phase difference correction on discrete spectrum, it is recommended to correct the spectrum containing small noise in engineer practice by the first phase difference correcting method ( performing fft analysis on two continuous original sequence ) with harming window

    綜合析現有三種散頻譜相位校正方,推薦在小噪聲工程實際中加hanning窗的第一種相位(采連續兩段信號作相同點fft的相位校正)進行校正。
  7. In this paper, based on the amplitude transport equation of fast varying field and the low frequency disturbance equation of electr on density, the evolutions of the density distribution of charged particles and the collapse of electric field have been calculated numerically in two dimensions with three field components under the condition of transverse wave

    所以本文採用了ftcs有限格式方,利用二維三量軸對稱,對空間飛行體與壓縮區內等子體非穩態相互作用過程進行值模擬,得到了電荷密度擾動與電場的變化情況。
  8. 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( rbf )神經網路的風機流量全程監測模型;以實驗室4 - 73no . 8d心風機為研究對象,探討了rbf神經網路壓模型在變轉速、變導流器開度和變管網阻力等工況下的應用精度和誤佈規律;最後用visualc + +語言開發了風機性能在線監測系統。
  9. In the procedure, the column is first divided into a finite number of small segments in equal length. the deflection - curvature relation of each segment is determined using the finite - difference method. the final nonlinear algebraic equations are then obtained by means of the equilibrium condition for each segment

    運用這種方,先將長柱散成若干等長的柱段,利用求得各柱段截面上的撓度與曲率的關系,再根據各截面上外力與抵抗力的平衡條件,得到一組關于荷載與變形關系的非線性代方程組;本文對該方程組採用載荷增量進行迭代求解。
  10. According to the difference equation, the continuous control system is translated into the discrete control system. simulation results indicate the discrete fuzzy control system using of c - s function has the same result with the continuous fuzzy control system, so the discrete fuzzy control system is successful

    將連續控制器按照一階後向散化,並利用simulink的c - s函編程技術建立散模糊pid控制系統,模擬結果和連續控制系統結果基本一致,表明散化模糊pid控制器是成功的。
  11. Based on the unified recursive formula, the four algorithms included in this study are the central difference method, the newrnark ' s method, z - transform method, and duhamel ' s step integral method. the accuracy, the phase and other existent problem are studied in this paper. it is proved in this paper that the recursive parameters b1and b2are relate to the poles of theoretical transfer function

    析中可以發現,中心, newmark中點加速度方、 z變換方及duhamel逐步積在精度范圍內其計算相位是沒有畸變的,中國地震局工程力學研究所頃土學位論文一但是中心, newmark中點加速度方隨著采樣間隔及系統自振頻率的增大,系統的固有自振周期被改變,其傳遞函的共振區域與理論傳遞函的共振區域會發生
  12. Finite difference method can deal with regular boundary conditions. in this paper, we discrete the water domain into rectangular meshes, and simulate the propagation, reflection and diffraction of water waves. we just specify waves source, the movement of water waves can be simulated automatically

    有限能夠處理具有規則邊界水域的水流現象,在本文中,我們把求解的水域散成結構矩形網格,對水流的折射、反射、繞射等水流現象進行了動畫模擬,我們僅僅指定產生水流動畫的波源,水流動畫的細節均由值方產生,不需要人工的干預。
  13. Finite volume method can deal with irregular boundary conditions. in this paper, we discrete the water domain into triangular meshes, and simulate dam breaking, water droplets. the same as finite difference method, we just specify waves source, the movement of water waves can be simulated automatically

    有限體積方能夠處理具有不規則邊界水域的水流現象,在本文中,我們把求解的水域散成無結構三角形網格,對潰壩問題、雨景等水流現象進行了模擬,和有限一樣,我們僅僅指定產生水流動畫的波源,水流動畫的細節均由值方產生,不需要人工的干預。
  14. With summarized a great deal of datum in home and overseas, the paper will discuss performances of liquid spiral groove seal from several aspects, such as its principle, developmental actuality and seal capability. the paper introduces firstly a new brief and fast method that derived from spiral groove seal analytics. this method has been applied in the program system design of out - armed - out - flow spiral groove seal

    首先通過對螺旋槽密封解析思想的闡述,為實際工程的密封性能析提供了一種簡潔、快速的判別方,並開發了一個可以用於外裝外流形式密封性能析的程序;隨后採用有限值方,對特定條件下的reynolds方程進行散化處理,並以此作為密封端面間潤滑薄膜特性研究的理論基礎。
  15. Based on former work, a finite difference viscous code that uses a high convergence, high accuracy, high resolution lu - sgs - ge implicit scheme and an improved fourth ( fifth ) - order high resolution muscl tvd scheme to integrate the full 3d navier - stokes equations and the low - reynolds number two - equation turbulence model is extended to simulate the flow field inside centrifugal impeller mechanism

    並且在現有工作基礎之上,將基於有限的高收斂率、高精度、高解析度的lu - sgs - ge隱式格式和四(五)階muscltvd格式求解全三維navier - stokes方程和低雷諾雙方程湍流模型的計算程序推廣到心葉輪機械內部流場的值求解。
  16. The heat transfer of the wall and the internal thermal mass is considered in this model. the control equation can be solved by an implicit finite - difference method

    利用有限對該學模型得到的控制方程組進行散,並對散得到的方程的計算求解過程進行了編程。
  17. Multi - grid - blocks, finite volume method, maccormack difference method was used to solve the unsteady two - dimensional navier - stokes equation, finite difference method was used to solve the two - dimensional heat transfer problem

    值計算方面,以多塊網格為特徵的s2df程序採用有限體積, maccormack散格式求解二維、非定常n - s方程,利用有限求解二維熱傳導方程。
  18. The numerical simulation is an effective method. the main task of this dissertation is to establish a hydrodynamic and pollutant transport model, and to simulate the tide field and concentration field of hakata bay : ( 1 ) dispersing the long - wave equation on interlaced grid by adi method, a two - dimension hydrodynamic model is established to simulate the tidal flow in hakata bay under the effects of m _ 2, s _ 2, o _ 1, k _ 1 tide

    本文的主要工作是建立一個深度平均的二維水動力及污染物擴散輸移的值模型,並對一實際海灣的潮流場及濃度場進行值模擬: ( 1 )用深度平均淺水波動方程為控制方程,採用迎風adi有限(交替方向隱式)在矩形交錯網格上散潮波方程,建立了一個二維潮流值模型。
  19. Five common methods used frequently in china are reviewed and their advantages and disadvantages are summarized. some problems are pointed out when these methods are used. also the existent mathematical models of investment distribution are researched, and it is recommended to adopt the method of multiple - person cooperation game shapely value and the method of division and square of general analyses

    對投資攤方進行系統研究,綜述了國內五種常用的投資攤方的優缺點,指出使用這些方時應注意的一些問題;對已有的投資學模型進行析研究,推薦採用多人合作對策shapley值和綜合中的平方; 3
  20. Three characteristic features, such as average velocity of sound, deviation coefficient of sound velocity, and deviation coefficient of amplitude are extracted from four kinds of testing data which are sound velocity, amplitude, frequency and waveform in this paper. fuzzy analysis and artificial neural network are combined to form an intelligent system with similar functions to human brain to classify grc, aerated concrete, hollow brick, solid brick and concrete block. the accuracy of this system is up to 95 % in field tests

    由超聲脈沖獲得4種檢測信息聲速、波幅、頻率和波形,從中提取3個特徵量:平均聲速、聲速的和波幅的,利用模糊析方和人工神經網路相結合對grc 、加氣混凝土、空心磚、實心磚、砌塊5種墻體材料進行種類識別,形成一個智能化的、具有類似人腦功能的系統.經現場實測證明,判別的準確率達95 %以上。
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