源點函數 的英文怎麼說

中文拼音 [yuándiǎnhánshǔ]
源點函數 英文
source function
  • 源 : 名詞1. （水流起頭的地方） source （of a river）; fountainhead 2. （來源） source; cause 3. （姓氏） a surname
  • 點 : Ⅰ名詞1 （液體的小滴） drop （of liquid） 2 （細小的痕跡） spot; dot; speck 3 （漢字的筆畫「、」）...
  • 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
  • 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. In this paper, the design of a practical sort of high performance biquadrates elliptic active band - pass filters is emphasized, and then the design techniques and how to calculate the resistors and capacitances, how to make computer simulation and tolerance analysis with computer are described in detail

    摘要本文我們重點介紹了一種實用的雙二次型高性能橢圓函數有源帶通濾波器的設計方法，詳細介紹了該濾波器的設計步驟及阻容元件的參數計算，並對設計出的電路用計算機進行模擬模擬和容差分析。
  2. Focus on the method of driver usb device in labview develop environment, three ways ( i / o, cin, clf ) were discussed, and the way of using visa ( visual instrument software architecture ) to communicate with usb device was used that can easily develop instruments driver and application software and improve the applicability of instruments on various operating systems

    並重點分析了常用的labview開發環境下驅動自製數據採集卡的三種方式:直接訪問寄存器方式;調用c語言源代碼方式;調用動態連接庫函數的方式。提出了利用visa （ visualinstrumentsoftwarearchitecture ）來直接驅動usbraw設備，簡化驅動程序和虛擬儀器軟體的開發難度，提高儀器在多種操作平臺上的通用性。
  3. By comparing and analyzing the advantages and disadvantages of three kinds of voltage reference circuits, type of current density ratio compensation 、 weak inversion type and type of poly gate work function, a cascode structure of type of current density ratio compensation is chosen to form the core of voltage reference circuit designed in this paper. applying the negative feedback technology, an output buffer and multiply by - 2 - circuits are designed, which improve the current driving capability

    然後通過比較和分析電流密度比補償型、弱反型工作型和多晶硅柵功函數差型三種帶隙電壓基準源電路結構的優缺點，確定了電流密度比補償型共源共柵結構作為本設計核心電路結構，運用負反饋技術設計了基準輸出緩沖電路、輸出電壓倍乘電路，改善了核心電路的帶負載能力和電流驅動能力。
  4. The paper mentions the design of three - dimensional graphics modeling in the mine such as shaft, laneway, and equipment of transport and mining. human - computer interaction and viewpoint rambling in the demo system are realized so that the simulating staff may look at circumstances from different viewpoint and positions. under the precondition of limited resources holding, the contradiction between the fidelity of image display and real - time feature of system interaction process is better resolved with using of display list and model culling technology

    論文中採用了opengl圖形庫的基本繪圖函數進行三維圖形的模型設計，並詳細給出了立井、拱形巷道、梯形巷道以及工作面支架和井底運輸巷道設備的三維圖形設計方法；並著重分析人機交互與視點漫遊功能的技術在系統中的實現；在佔用有限資源的前提下，為了提高場景實時顯示速度，論文中採用顯示列表和模型淘汰等技術，並編制出了一個虛擬礦井實例。
  5. Second, this paper analyzes the relation of reactive support service with voltage, power limit curve, transaction amounts. according to the power limit curve, this paper analyzes the source of the reactive cost to get an interzone cost function. using marginal cost theory, it concludes that the reactive spot price is the derivative of the cost function in generator buses

    另外，本文還從發電機角度上分析了無功服務與電壓、功率限制曲線、發電機向負荷傳輸電能大小的關系；根據功率限制曲線對發電機無功成本的來源進行詳盡剖析，從理論上確定一個分區間的成本函數；並依據短期邊際成本理論可推出，計算發電機節點的電價可採用無功成本函數的偏導數的方法。
  6. On the basis of increasing the flaw resolution of the x - ray radiographic system, the study is firstly concerned with the analysis made on the influence of such factors as redial sources energy, system noise, optics radiography and scattering on the radiographic system in theory, and the present dissertation looks at the methods for acquiring the radiographic system point sp read function, line spread function and module transfer function ( mtf ). on the basis of these studies, research the spread properties of the tiny flaw making use of mtf, acquiring the properties of system inspecting sensitivity and resolution, based on the system optimization designing

    本文以提高射線成像系統的疵病解析度為前提，首先在理論上對射線源能量、系統噪聲、光學成像、散射等各環節對成像系統的影響進行分析，探討成像系統的點擴展函數、線擴展函數及其調制傳遞函數（ moduletransferfunction ，簡稱mtf ）獲取方法，在此基礎上，利用mtf研究微小疵病的擴展特點，從而得到系統的檢測靈敏度和解析度給出關系特性，為系統優化設計提供依據。
  7. To analyze some key technologies of optical network relative with rwa in detail, such as transmission, switching and internetworking ; to emphasize on the research of function, fabric and performance of optical cross - connection ; to carry out numerical simulations for crosstalk introduced by optical cross connect and to present measurements for suppressing it such as doubly filtering, fixing optimum decision threshold and appropriately choosing the number of multiplexed wavelengths ; 3. to research the fundamental principle and some problems relative with rwa, including the type of optical network, the type of traffic, the type of service, the survivability of optical network ; to classify and compare rwa algorithms and particularly research some dynamic rwa algorithms ; 4. to present reserved light - path and classify network resource such as used, unused and reserved status, to emulate establishment of all - optical connection in optical network through modified rwa algorithm and show effectively reducing setup time of all - optical connection utilizing reserved light - path ; to research rwa algorithms of multi - fiber network, to present new link weight functions dependent on node degree, unused fiber ( s ) per wavelength - layer and routing policies, to perform emulation of rwa based wavelength layer graph applying new link weight functions and show them make algorithms better performance and network lower blocking rate ; 5

    詳細分析了與rwa相關的光網路關鍵技術，包括傳輸、交換、組網等，重點研究了光交叉連接的功能和結構、性能，對其引入的串擾進行了詳細分析，選擇恰當的器件參數進行了數值模擬，並提出了抑制措施（如雙重濾波、優化判決門限、選擇恰當的復用波長數） ; 3 .研究了光網路的r認叭的基本原理、與r認叭的幾個相關問題（光網路類型、業務類型、流量類型、光網路生存性） 、 r認人演算法的分類和比較，具體研究了幾種動態r場人演算法; 4 .研究了以全光連接建立時間為優化目標的r認認演算法，提出預置光路的概念，對網路資源進行狀態分類（佔用、未佔用、預置） ，利用改進的r認叭演算法模擬，預置光路可為部分新到的連接請求快速建立連接，從而提高網路性能;研究了以多光纖網路連接阻塞率為優化目標的r認城演算法，提出了以節點度數、每個波長分層的空閑光纖數以及路由策略決定的幾種鏈路權重函數，利用基於波長分層圖模型的并行r場人演算法模擬，利用新的鏈路權重函數使得演算法具有更優的性能，使網路具有更低的連接阻塞率。
  8. Econometrics and forest resource evaluation methods are adopted to decide the environmental and timber benefit functions of forest ages

    運用計量經濟分析和森林資源價值評價方法獲得案例點水源涵養林木材效益、環境效益關于林齡的函數。
  9. Experimental results and simulations show that the fringe spacing of the psf is narrow down with the increasing of and l

    實驗和模擬結果表明，點擴散函數的條紋間距隨錐鏡夾角增大而變窄，隨點光源距透鏡距離的增大而變窄。
  10. The main parts are as follows : 1 ) at the base of the fabrication methods, the photosensitivity of optical fiber and the uv laser sources are introduced simply, the diffraction characteristics of phase mask are analyzed to get the distribution of refractive index in fiber grating, referent the paper [ 4 ] ( delivered )

    全文概括如下： 1 ）從常用的製作方法出發，簡單介紹了光纖光敏性和成柵光源，重點分析掩模板的衍射場，從而獲得理想情況下光纖光柵的折射率分佈函數，參考已投論文[ 4 ] 。
  11. Essential to their utility is the requirement that the evolution of the basic functions through the propagation environment constitutes a simplified problem with an exact or approximate closed form solution to the original wave equation. the evolution of a spatial fourier harmonic through a homogeneous medium is governed by a reduced wave equation, obtained by applying the fourier transform to the helmholtz equation, with a simple and well - known solution - the plane wave

    這些方法均採用一組具有全局特性的基本函數對波場進行分解，如占據整個空間的富氏調諧函數或充滿各個方向的dirac函數（點源） ，並通過求解基本函數滿足波動方程的精確解或近似解來達到波場外推的目的。
  12. For maximum nongaussianity estimation, uniqueness means that there is a one - to - one correspondence between local maxima of nongaussianity and independent sources. different from the former works, e. g.,

    最大非高斯估計的唯一性要求在滿足ica的基本約束條件下，目標函數的極大非高斯點和獨立源之間存在一一對應關系。
  13. In geometry fitting, we introduce the scattered data interpolation technology, and by using the corresponding points on the shared boundary between the given facial mesh and the organ to be pasted, the facial mesh can be automatically fitted to the organ to be used. and in texture fitting, we extend the improved field - based morphing algorithm to the corresponding texture map, and with the preprocessing of the histogram - matching method we can obtain smooth replacing result in the texture map

    在紋理上，將改進的場變形演算法拓展到人臉模型對應的紋理圖上，不但完成了紋理圖中對應器官區域的替換，同時通過引入以點到邊界距離的函數為權重的線性插值，實現了在替換器官區域從目標圖像到源圖像的均勻過渡；又通過引入直方圖規定化的技術，解決了由於膚色相差較大而產生的邊界不能平滑過渡的問題。
  14. At first we should construct a suitable green ' s function, which is an essential solution to displacement field for an elastic half space with an arbitrary - shape - canyon impacted by antiplane harmonic line source loading at horizontal surface

    首先構造了一個適合解答本文問題的green函數，該函數為含有任意形凹陷的彈性半空間在其水平面上任意一點承受時間諧和的反平面線源荷載作用時位移場的解答。
  15. First thing is to use a suitable green " function, which is a essential solution of displacement field for the elastic half space with a half circular lining, which impacted by out - plane harmonic line source loading at horizontal surface

    求解該問題的過程中，首先利用一個適合本問題的green函數，該函數為具有半圓環形襯砌的彈性半空間在其水平表面上任意一點承受時間諧和的出平面線源荷載作用時位移場的解答。
  16. The engendering source of traffic volumes and their general influential factors have been presented, and the situation of nowadays highway transportation has been discussed. according to the introduction of traffic distribution theory and classical assignment method, analysis of traffic flow path selection among cities and that of special influential factors for traffic flow on toll highways, initial analysis to the forming mechanism of traffic volume on road sections has been made, and a probability model for path selection has been set up with the maximum - utility theory and disaggregating model. detailed analysis to impedances on road sections and their functions ( especially to three main composing factors of the impedances as cost of time, transport and toll and to the functional relations with traffic loads ) was made, at the same time, the relative cost calculating model was set up on the basis of the state - of - art achievements in both international and national researches

    主要研究內容包括：交通量的產生根源及一般影響因素分析和當前公路運輸地位討論；從交通分配理論及經典配流方法著手，通過分析城市間交通流路徑選擇行為和收費公路路段交通量特殊影響因素，初步提出路段交通量的形成機理，並採用效用極大原理和非集結模型理論（ disaggregationmodel ） ，建立用戶出行路徑選擇概率模型；對路段阻抗及路阻函數（尤其對行程時間費用、車輛營運費用和道路收費這三個構成路段阻抗的主要因素及其與交通負荷間的函數關系）進行較為詳盡的分析，並以現階段國內外較為先進的研究成果為依據建立相應的成本測算模型，其中，特別提出了兩種確定客貨車輛時間價值的分析方法；離散分析法和時間-費率轉換法，後者是在目前基礎調查、統計數據資料不夠齊全的現實下提出的一種確定道路系統內務車型時間價值的較為實用的新方法；對我國公路收費政策的背景和理論、實踐依據及費率的各種影響因素進行重點分析；從數學的角度證明合理費率的存在性，並以最優化理論為基礎，建立在普通收費公路和擁擠路段交通調控型收費公路兩種模式下合理費率的計算模型等。
  17. Boundary condition method just amend a little for intrinsic fem program, and can obtain low frequency sound transfer function of receiver based on existed fem mesh. the big sound source is divided into some elements by lumped sound source method, in which, the biggest size of element is smaller than the smallest wavelength of sound wave

    邊界條件法僅對原有的有限元程序作較小修改，並在已有的有限摘要元網格劃分上，能夠求解出接收點處的低頻聲傳遞函數;集中聲源法將大尺度聲源劃分為若干板塊，其最大幾何尺寸小於最小聲波波長。
  18. This article takes hanging off and wide fluctuation of transmition velocity of adsl as example, then analysis centers on the discerte multiple tone and the principle of channel load assignation. from analysis above article points out the root of adsl being sensible of noise signal. at last, reserches effects that window function and barrier effect on frequency and adopts fft to work out the noise power of adsl

    本文以電信現在推出的adsl傳輸中鏈路經常掉線和傳輸速率經常大范圍波動為例，重點分析了adsl所使用的dmt調制方式和注水演算法分配通道載荷方式原理，由此指出adsl對噪聲信號敏感的根源，在得到問題的根源之後，分析了窗函數和柵欄效應對頻譜的影響，採用fft方法計算adsl線路的噪聲功率譜，為adsl線路測試提供了可靠的理論依據。
  19. The dissertation is dedicatd to the theory of maximum nongaussianity estimation in ica, and some problems are emphasized, e. g., the uniqueness of estimation, the convergence of fastica, the constraint of independence and the nonlinear activation function, the algorithms for multiple components and the order of independnent components

    本文重點研究最大非高斯估計的相關理論問題，包括估計的唯一性，演算法的收斂性，獨立性約束分析和非線性激活函數，獨立分量的排序和子空間的選擇，具有時間結構信息的信號源的估計等。
  20. An appropriate cost function is constructed which avoids the use of the logarithm likelihood function that is lack of robust to the noise correlation, moreover, our method have many advantages such as, low complexity, suitable for coherence signals, etc

    構造適當的代價函數，避免了對數似然函數的使用，該方法對色噪聲協方差矩陣特徵值分散具有穩健性，同時具有較低的計算復雜度和適用於相關甚至相干源等優點。
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