速度函數 的英文怎麼說

中文拼音 [sùdùhánshǔ]
速度函數 英文
velocity function
  • 速 : Ⅰ形容詞（迅速; 快） fast; rapid; quick; speedy Ⅱ名詞1 （速度） speed; velocity 2 （姓氏） a surna...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 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
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. （快慢的程度） speed; rate; pace; tempo
  • 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. Through the detailed analysis of the aaf, the defection of using chirp - fourier transform in guidance radar signal processing is pointed out

    通過對加速度模糊函數的形態分析也指明了針對線性調頻信號的二次相位匹配處理（ chirp - fourier變換）在應用到制導雷達信號處理中所存在的缺陷。
  2. In this paper, the concept of acceleration ambiguity function ( aaf ) and acceleration resolution is put forward for the first time. using aaf, the effects of target ' s relative acceleration on several outputs of a linear - phase matched filter are analyzed, such as the output signal - noise - ratio loss, the doppler resolution, the constraint on optimal accumulative time ( opt ) and their tolerable limits

    論文首次提出並研究了加速度模糊函數和加速度分辨力的有關概念，並以加速度模糊函數為分析工具，詳細討論了加速度對線性相位匹配濾波器的輸出信噪比的損失程度、對多卜勒頻率分辨能力的影響程度、對最優相參積累時間的約束關系以及線性相位匹配濾波器輸出受加速度影響的容限等問題。
  3. Research on wind is the precondition of wind response, then the section plane of static wind, intensity of onflow, psd function and correlativity of dynamic wind are involved in

    對風的研究是進行風振響應研究的前提，風的基本特徵包括平均風速剖面、湍流強度、脈動風功率譜密度函數、脈動風的空間相關性以及極端風速的概率統計特性。
  4. It can save the information near lips, which may be deleted by the method based on two points. ( 2 ) based on the analysis of current methods, a new multi - pose facial feature location algorithm is developed, which is based on the analysis of multi - feature and integral projection, the combination of an iterative search with a confidence function and template matching. the algorithm not only improves the location accuracy, but also speeds up a great deal. ( 3 ) based on the analysis of the advantages and disadvantages of current feature extraction methods, an adaptive facial feature selection criterion is developed, which is based on facial local feature protrusion consisting of several aspects, such as face image resolution and image quality

    其後研究了人臉特徵提取，一、討論了適合於多姿態人臉識別的基於三點仿射變換的人臉圖像歸一化方法，以克服基於兩點仿射變換會引起較大圖像信息損失的缺陷；二、在分析現有器官定位演算法的基礎上，提出了新多姿態人臉器官特徵定位技術，將多特徵和直方圖分析、基於置信度函數的迭代搜索和模板匹配相結合，既提高了器官定位精度，又提高了定位速度。
  5. A method of fuzzy optimization design based on genetic algorithm is presented as a new method of parameter optimization design for dc double closed loop speed adjusting system. the method covers three steps. firstly, speed overshoot rate and settling time are chosen as performance indice according to the demand of engineering. these indice are normalized by using fuzzy membership function and then weighted to form objective function of optimization model of the system. secondly, the dynamic response curve of the system with corresponding parameters and peoformance indice are obtained by computerized numerical calculation and simulation. finally, parameters of engineering design are expanded as searching space ; and parameters of speed regulator and current regulator are taken as genes in chromosome. these genes in searching space are optimized to get best solution by way of genetic algorithm. as shown by experimental results, the parameters designed by this method are capable of significantly improving performance indice of the system, which proves that it is a practical and effective method

    提出一種基於遺傳演算法的直流雙閉環調速系統參數優化設計方法.根據工程技術的要求，選用速度超調量和過渡時間作為參數優化性能指標.將該指標用模糊隸屬度函數歸一化，再加權平均形成系統優化模型的目標函數.採用計算機數值計算方法，通過模擬獲得系統對應參數的動態響應曲線及其性能指標.最後以工程設計的參數為搜索范圍，以速度調節器和電流調節器的參數為染色體中的基因，通過遺傳演算法在搜索范圍中優化這些基因，獲得優化解.實驗結果表明，所設計的參數能使系統性能指標有顯著提高
  6. An indirect self - adaptive fuzzy - neural network controller ( fnnc ) has been proposed with its parameters and the structure tuned simultaneously by ga in virtue of the powerful optimization property of ga. the structure of the controller is based on the radical basis function ( rbf ) neural network with gaussian membership functions. the performance of the proposed fnnc is compared with a conventional fuzzy - pid controller and the simulation results show that the fnnc presents encouraging advantages

    針對神經網路採用一維反向傳播訓練演算法速度較慢且易於陷入局部極小點的不足，設計了一種間接自校正模糊神經網路控制系統，利用遺傳演算法（ ca ）對隸屬度函數的結構和參數進行優化，模擬比較表明該控制比模糊pid控制具有更優的性能。
  7. In the fourth part, the writer analyses the factors which contribute to the slow - down of circulation speed of currency by establishing money circulation speed function in chinese transitional period and testing it empirically. the result of regression analysis indicates that income, monetization, resident saving ratio can explain the long decline of circulation speed of currency in chinese transitional period

    在第四部分通過建立中國轉型期的貨幣流通速度函數並實證檢驗這些因素的影響效果來解釋貨幣流速的變化原因，結果表明模型的擬合效果較理想，收入、貨幣化程度、居民儲蓄率等因素能夠較好的解釋中國轉型期貨幣流通速度的長期下降。
  8. Azimuth corrected velocity function

    方位校正速度函數
  9. To solve it, the differential equation set is transformed by fourier transform and the dynamic differential equation in the form of matrix is educed. the calculation formulas of frequency response function of vehicle vibrating system, acceleration power spectrum density function are put forward

    用分析力學法建立整車動力學模型，推導出以矩陣形式表示的運動微分方程，並通過傅氏變換給出汽車動力學系統的頻率響應函數、加速度功率譜密度函數的計算公式。
  10. Secondly, we numerically simulate the turbulence behavior of one - dimension fpu model and obtain probability density functions of the velocity differences in different conditions. we use tsallis statistics to fit the probability density functions and find out it was fitted very well

    其次，我們對一維fpu模型中類似湍流行為進行了數值模擬，得到不同條件下速度差的概率密度函數，並利用tsallis統計對其進行擬合，發現兩者符合得非常好。
  11. Layout input pole length ' s locus when the mechanism follows kadang movement in two ways. one is multinomial curve locus and the other is linearity intermixed by parabola curve locus. we study the displacement > velocity and acceleration curve consulting time under variety velocity characters, and get the best curve and the best velocity character, which will have a very important significance for kadang movement ' s input control of this mechanism

    對卡當運動輸入桿件的伸長進行了軌跡規劃，採用了多項式與混有拋物線的線性函數作為規劃軌跡，研究了不同速度參數條件下的位移、速度、加速度的時間變化曲線，給出了最優曲線和最優速度，這對于機構卡當運動輸入控制的實現和優化具有重要意義。
  12. After a novel speed function based on local gradients of differencing image, object variances and background variances was defined, an improved evolution equation for segmentation curve was obtained, and then different moving objects were segmented

    定義了一種新的基於差分圖像的局部梯度、目標的方差和背景的方差的速度函數，得到了改進的分割曲線的演化方程，分割出不同的運動目標。
  13. Probability density function method for studying reconstructed attractor and detection of ventricular tachycardia and fibrillation

    概率密度函數法研究重構吸引子並檢測心動過速和心室纖顫
  14. ( 3 ) combining secondary genetic algorithm with l - m algorithm in toolbox and thinking about effects of partial forecasting sample in adaptive value, the thesis redacts improved genetic neural network procedure in order to pick up faculty of learning and generalization and running velocity

    （ 3 ）與工具箱的l - m演算法結合編寫了改進遺傳神經網路ga - lm程序，綜合考慮了部分預測樣本對適應度函數的影響，提高了網路的學習、泛化能力及運行速度。
  15. Then, only a given curve satisfied by the conditions of import and outlet of vane wheel as its modular curve will neglect the middle varying processes of in vane wheel, which reflect microscope properties in some degree - flow properties in boundary layer. leading into the velocity - coefficient unifies the boundary layer and eular theory in the design process of vane, which extends the area of selection of vane ' s curves and provides a valuable object function for the optimization design of vane

    那麼，僅憑一條預先給定的滿足葉輪出入口條件的曲線去來作為葉輪的型線，它必將忽略了這種除了葉輪出入口之外的中間變化過程，而這種中間變化在某種程度來說又反映出微觀特性? ?邊界層流動特性；速度系數的引入，它使邊界層理論和歐拉理論在泵的葉輪設計過程中得到統一；它使選擇葉片曲線的域圍拓寬；它也為葉輪的優化設計提供了一個很有參考價值的目標函數。
  16. On the basis of the theory about wheel / rail noise, the paper analyses the mechanism of wheel / rail noise and the relationship between rolling noise and vibration of railway track components, and describes a way to reduce the vibration energy by enhancing the elasticity of track

    運用軌道部件的振動加速功率譜密度函數與輪軌噪聲功率譜密度之間的關系，分析了軌道結構彈性對降噪的作用。
  17. This method utilizes real number coding and adaptive function with definite physical meaning in the dynamic environment so that the real - time operation speed and operation precision can be accelerated and improved respectively

    該方法採用實數編碼的方法，有明確物理意義的適應度函數，以加快實時的運算速度和提高運算精度。
  18. Then nearness rough membership function based on nearness relationship rough sets are defined and its properties are investigated. as a rough factor, nearness rough membership function is integrated into a kind of neural networks. and the new neural network can decrease the influence of noise and make it convergent rapidly

    本文在相近關系的基礎上，提出了衡量粗糙隸屬度的方法，研究了該函數的性質，利用隸屬度函數作為粗糙因子設計了粗糙因子神經網路，可減小噪聲污染的影響，並使網路的收斂速度得到提高。
  19. In the optimal calculation of pipe networks, using genetic algorithms to optimize, by natural number coding. then this thesis simply discuss the selection of initial genetic colony and the reasonable value of penalty function multiplier. it improve the constringency speed of genetic algorithms

    在管網優化計算部分，採用遺傳演算法，用自然數編碼的方式進行遺傳優化，對初始種群的優選，適合度函數中懲罰因子的取值，作了初步的探討，提高了遺傳優化的收斂速度。
  20. The state is markov process in appropriate expanded space and the accurate stationary solution, which is the probability density function of velocity response, can be obtained by solving its corresponding fpk equation

    在適當擴大了的空間中，其狀態是馬爾可夫的，通過求解對應的fpk方程可得到精確穩態解，即速度響應的概率密度函數。
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