有效功函數 的英文怎麼說

中文拼音 [yǒuxiàogōnghánshǔ]
有效功函數 英文
effective work function
  • 有 : 有副詞[書面語] （表示整數之外再加零數）: 30 有 5 thirty-five; 10 有 5年 fifteen years
  • 效 : Ⅰ名詞（效果; 功用） effect; efficiency; result Ⅱ動詞1 （仿效） imitate; follow the example of 2 ...
  • 功 : 名詞1 （功勞） exploit; merit; meritorious service [deed]: 戰功 military exploits; 立功 render me...
  • 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
  • 有效 : effective; valid; efficacious
  • 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 elements of the reduced - jacobian matrix are functions of some parameters of the system. for example, effective short ratio, power base ratio, coupling impedance and load flow of the system. for single - infeed hvdc system with a parallel ac line, computer simulations using power system analysis software package ( psasp ) were performed

    用一種簡單的方法可以求得降階雅可比矩陣，由於降階雅可比矩陣的元素都是交直流混合系統中一些參數的代數函數，如有效短路比、功率基準比、連接阻抗和系統潮流等，因此，矩陣的特徵值也與這些參數相關。
  2. The switched capaci tor filter is the counterpart of the continue time analog filter " s sampling, it is more adapted to the miniaturization of the circuit and can realize the higher accuracy transfer function, especially the design of the cmos integrated sc filter based on the biquad have advantage of high accuracy, small area, low power consumption, simple architecture and easy to debug. it has important academic and practical means of the sc filter " s research and design

    開關電容濾波器是連續時間模擬濾波器的采樣時間等效電路，更適合電路的小型化，同時也實現高精度的傳輸函數，尤其是基於雙二階的cmos開關電容濾波器設計具有高精度、面積小、低功耗和電路結構簡單，易於調試等優點，所以研究和設計開關電容濾波器有著重要的理論和實際意義。
  3. It contributes to the deeper comprehesion of these probability distributions, affords more detailed theoretical basis for further studying and simulating satellite mobile channels, ? theoretical analyses and discussions of the models which are often used in the study of the propagating characteristics of satallite mobile channels are given ; meantime, some discussions on the work of model simulations are also given, ? incorrect derivation of the equality between c. loo model and corazza model in some other papers is pointed out. via the conception of received power, we derivate that in the rural environments these two models really have the equal relationship by the way of theoretical derivation and simulatant fittings. therefore, it is able to use corazza model in studying the characteristics of satellite mobile channels in the rural environments and able to avoid the iterant work of modeling, in order to enhance the efficiency and accuracy of research work, ? detailed processes of simulating lutz model by using matlab6. 0 _ simulink4. 0 and the results of comparisions are given

    本文包含有以下的主要內容： ?對衛星移動通信通道傳播特性研究中常用的三個概率分佈給出了詳細的推導過程；以便對這幾個在衛星移動通信通道傳播特性的研究中常用的概率分佈函數有更深的理解，對進一步研究衛星移動通信通道傳播特性和對通道的建模提供了更為詳盡的理論基礎； ?對衛星移動通信通道傳播特性的研究中常用的通道模型進行了理論上的分析和討論，並對衛星移動通信通道建模的研究工作提出了一定的看法； ?指出了以前的文獻中關于c . loo模型和corazza模型的等同性的證明錯誤；並從接收信號功率的角度出發，通過理論推導及模擬曲線擬合重新證明了在鄉村環境下，這兩個模型的確是具有等同性的；從而在對鄉村環境下的衛星移動通信通道傳播特性進行研究時，可以只採用corazza模型來對實際的通道進行建模，這樣可以避免重復的建模工作並提高研究工作的效率和準確性； ?給出了lutz模型在matlab6 . 0 _ simulink4 . 0環境下的軟體模擬實現的詳細過程和整體模擬測試的對比結果，保證了該模型在硬體實現時的可靠性和可行性，從而可以將它們應用於指導模型的硬體模擬實現並可以降低硬體實現時的風險。
  4. In the end the stochastic finite element method ( sfem ) is used to point out the key part for maintenance. 9. the girder aqueduct structure of li river of the snwtp as an example is analysised for its risk. every parts of the structure are studied ; the failure modes and failure functions are established

    9 、進行了南水北調澧河渡槽的力學風險分析，研究了渡槽各部位的破壞模式，建立了相應的失效模式功能函數，計算了各部位的可靠指標，隨后運用非線性隨機有限元理論詳細分析了渡槽整體結構，得出了一些有益結論。
  5. In the designing of priority for the transmission ratio, the usage of gear ' s attest on transmission ration should be considered ; the average value is set as the evolution aim of the loss of driving power and the useful effectiveness. a simplified fuel - consumed economically model is used to simulate the fuel consumption while the automobile is in motion

    在變速器傳動比優化設計中考慮檔位使用率對變速器傳動比的影響，採用驅動功率損失率和有效效率利用率的加權平均值作為評價指標，用參數樣條函數模擬車速狀態下的燃油消耗量，提出了按變速器傳動比的使用率來確定汽車的加速和等速的比例，並將其作為實際工況來確定汽車的實際燃油消耗率。
  6. The classifier with ability of feature selection is studied to prepare for face cascade representation and to make it possible to detect and recognize face fast and accurately. finally, construction of an array of classifiers is researched, and an effective method to design classifiers of fast face detection and recognition with complex background is presented, which is able to radically discard redundant areas and realize a robust real - time face detection designed for complex background and recognition system with large face database. finally, a fast face detection and recognition system for images with complex background is proposed and implemented by combining face cascade representation and classifier design

    首先研究了在人臉檢測和識別中常用的分類器，比如符號函數、最近鄰、神經網路、 svm 、 adaboost等，選擇了適合於人臉檢測和識別的分類器，並提出了結合pca特徵和rbf進行人臉姿態的判別方法：其次研究了具有特徵選擇功能的分類器發計，這為人臉的級聯表示提供了條什，也為快速準確的人臉檢測和識別提供了可能；最後，對組合分類器設計進行了研究，提出了適于復雜背景下快速人臉檢測和識別的有效分類器設計方案，這使得人臉檢測和識別能夠快速剔除不感興趣區域，為復雜背景下實時人臉檢測和大型人臉庫的快速識別提供了可能。
  7. 3. the calculating table of the autocorrelation functions are constructed and their essence and abilities are revealed. furthermore, the new concept of general autocorrelations is presented for the calculation of the order of sac ( strict avalanche criteria ) and pc ( propagation criteria )

    3 、構造了自相關函數的計算表，分析其本質含義，解釋其在分析密碼性質方面的功能；進而提出了廣義自相關函數的概念，有效地解決了嚴格雪崩準則和擴散準則階數的確定問題。
  8. The paper designs a data encryption system for network communication, which combines the private - key algorithm 3des with the public - key algorithm rsa to encrypt data and signs on files with public - key algorithm rsa and one - way hash function md5. the system can actualize encryption of data, digital signature and identification efficiently and ensure privacy, authenticity, integrity and nonrepudiation of data

    在此基礎上，本文設計了網路通信數據加密系統，該系統將對稱加密演算法3des與非對稱加密演算法rsa相結合對數據加密，用公鑰演算法rsa和單向散列函數md5實現對文件的數字簽名，有效地實現了網路通信系統中的信息加密、數字簽名、身份認證等功能，保證了發送方所發送信息的秘密性、鑒別性、完整性及不可否認性。
  9. By using a triangle three - section contact type resistance short - circuit continuous annealing technology, it is possible to save power, and to functionally follow the drawing speed, having the advanced capacity of zero annealing

    採用緊湊的三角形，三段接觸式電阻短路連續退火工藝，高效節能，並能函數自動跟蹤拉絲速度，具有先進的零退火功能。
  10. This method of development has integrated the following two advantages - one is powerful image displaying displaying and compiling function under autocad ambient, it can operate drawing database by using class and standard library offered by autodesk company, to realize drawing function. and the other is design cad system efficiently by making great use of the resources of windows, class of mfc and visual program tool

    這種開發工具結合了兩大優勢：一方面充分利用autocad環境的強大的圖形、編輯功能，利用autodesk公司提供的類和庫函數對圖形數據庫進行操作，以完成其繪圖功能，另一方面可以利用windows的資源、微軟的基本類庫和visualc + +的可視化編程語言與工具，方便、高效地設計具有典型windows風格的cad應用程序。
  11. The software system investigated in this thesis is used to control the trace heavy metal determination instrument to run the test and analyze data, the software system consists of several modules including data communication data preprocess pre - treatment respecting to real - time performance data storage, etc. the communication between the instrument and the server is based on serial port rs - 232 or ethernet port and the communication among the modules in the software system is based on the message mechanism in windows

    並通過儀器對pb和cu混合溶液檢測的實驗，驗證了聯用多種演算法可以自動對數據進行有效的處理。在對管理控制部分的論述中，文章研究分析了目前集群系統廣泛採用的消息傳遞機制，並論述軟體系統如何使用消息機制協調軟體各個功能模塊的運作。在系統與主機的通訊模塊的設計中，文章論述了如何使用windowsapi函數實現系統的串列通訊介面和ethernet介面。
  12. Wavelet transform is a time and frequency local transformation and it can withdraw the information from the signal. through the calculate function making the muti - scale analysis it resolves many difficult problems which fourier transformation ca n ' t resolve. in recent years the researches and the applications of wavelet transform on the image compression are flourish, but because wavelet transform is very complicated and its apply has certain localizations

    小波變換是一個時間和頻率的局域變換，因而能有效的從信號中提取信息，通過伸縮和平移等運算功能對函數或信號進行多尺度細化分析，解決了fourier變換不能解決的許多困難問題。近年來小波變換在圖像壓縮的研究和應用都十分活躍，但是由於小波的理論很復雜，因此應用起來就有一定的局限性。
  13. This function allows the efficient use of an array to implement bitfields

    這個函數可以實現有效處理位域的功能。
  14. And there exists some functional relationship between the quantity of the hydrogen and the drop of the readout intensity of the rlg. usually a rlg is defined failed when the readout intensity drops to the 1 / e percent of the initial value, so a new idea that using the quantity of the hydrogen contained in the work gas to predict the life time of the rlg is put forward in this paper

    論文通過對比發現，工作氣體中所含有的雜質氣體氫氣會加劇這兩種因素對壽命的影響，並且氫含量的多少與激光陀螺儀輸出功率下降之間存在著某種函數關系，而當激光陀螺輸出功率下降到初始強度的1 / e時就可以判定陀螺失效。
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