forward difference 中文意思是什麼

forward difference 解釋
前差
  • forward : adv 1 向前，前進 （opp backward）。2 【航海】在船頭，向船頭（opp aft）。3 今後，將來。4 出來，出...
  • difference : n. 1. 差異，差別。2. 不和，爭論。3. 【數學】差，差額。4. 【邏輯學】特殊性。vt. 〈罕用語〉區別，使有差別。
  1. The existing theoretical analyses have n ' t refelcted this true mechanism of the force transfering in fixed segment of anchor bar. for the sake of studying the working course from elastic to elastoplasticity slide better, this paper put forward shear stress - displacement curve, and solve the internal force distribution along anchor bar by the basic equntion. at the same time, this paper analysize the difference of columniform fixed segment and the segmeng with anchor slab at the foot of anchor bar

    為了更好的研究錨桿在不同荷載作用下，錨桿的工作狀態從彈性到彈塑性發展的整個過程，本文進行了錨桿受力的模型實驗研究，根據實驗結果提出了剪應力與位移的彈塑性本構關系表達式，並根據錨桿受力的基本方程，求解得出了錨桿在不同工作狀態下從彈性到彈塑性滑移的全過程中錨桿的內力分佈。
  2. In course of auto - focusing, the paper takes the sum of the square of gray difference as focal distance evaluation function to decided that image is in focus or not quickly and put forward an effective auto - focus searching way based on threshold value and curve fitting. these improve speed and precision of auto - focusing

    在自動聚焦過程中，論文採用了圖象的灰度差分的絕對值之和的平方作為焦距評價函數，解決了是否正確聚焦的快速判斷問題；採用了一種行之有效的基於閾值和曲線擬合的自動聚焦搜索方式，使聚焦速度和精度都得到了很大的提高。
  3. 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「改進譜相減法語音增強」參數設定單一、環境適應能力差的缺點，提出了一種利用模糊理論和「改進的譜相減法」結合的「模糊譜相減法語音增強」 ;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數碼語音端點的初始和改進參數表;提出了利用基於線性預測編碼倒譜參數和差分線性預測編碼倒譜參數相結合的離散隱含馬爾可夫模型進行第一級識別、利用共振峰參數進行第二級識別的兩級漢語數碼語音識別系統，在保證系統實時性的同時，實現連接漢語數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的連接漢語數碼語音識別系統各部分硬體設計;在軟體開發上，給出了連接漢語數碼語音識別的軟體設計各部分的流程圖，並對各部分進行了matlab模擬，並給出了模擬結果。
  4. This paper analyzes the influence of decentralization of stock right structure on the dividend - paying policy of the listed corporations, and puts forward the point that the dividend - paying tendency, contrary to the generalized anticipation, will not be intensified after stock right decentralized allot revolution, which is based on the following empirical tests : the earning capability difference between dividend - paying and non - dividend - paying listed corporations, the preference to dividend - paying corporation of tradable shareholders and the relationship of stock right structure and dividend - paying tendency

    通過對我國分紅與不分紅上市公司盈利能力、流通股東對分紅公司的偏好以及上市公司股權結構與分紅傾向三方面的實證，探討股權結構的分散化將對我國上市公司股利政策產生的影響，提出了股權分置改革后，我國上市公司分紅傾向很可能與廣泛預期相反，呈下降態勢。
  5. According to the engineering practice, the theoretical basis and method that survey directly the horizontal distance and height difference by the total station system as fourth grade and below fourth grade control network are put forward instead of surveying slant distance and zenith distance

    摘要根據工程實踐，提出了用全站儀直接測量平距、高差來代替測斜距、天頂距作四等及四等以下控制網測量的理論依據和方法，並以張河灣抽水蓄能電站施工控制網為例進行了比較計算。
  6. The first part put forward the reasons of difference between the enterprise income tax and accounting structure, mainly from the theories

    第一部分指出企業所得稅制度與會計制度存在差異的原因，主要從理論層次進行分析。
  7. Abstract : this paper discussed mainly the operational tactics of the moderate management on the condition of longterm land contractual management on household basis, put forward the main operational tactics : initiated the transference and concentration of the right of farmland use ; stressed to input funds, science and technology, labor and to provide good service in order to improve the productivity of land ; recognized the difference between developed areas and the less developed and adroitly guided action according to circumstances

    文摘:探討了在土地家庭承包經營長期穩定下規模經營的戰略選擇，提出其主要的運作戰略，即通過倡導農地使用權合理流轉集中，推進規模經營，吸納勞動力、科技、資金等要素，並配以優質服務形成規模效益，同時根據區域差別對發達地區與欠發達地區進行不同的戰略選擇。
  8. In this article, the author expounds the main theoretical issues on the principle of change of circumstances and puts forward to the difference between its basic implication and the frustration of contract in common law, the accidental force and the commercial risk. meanwhile, its applicable conditions and the force of law are illustrated in detail here

    本文論述了情事變更原則的主要理論問題，具體提出了情事變更原則的基本含義及其與英美法合同目的落空、不可抗力以及商業風險的區別，系統闡述了情事變更原則的理論基礎，詳細敘述了情事變更原則的適用條件和法律效力。
  9. The definition, classification, mechanism and application of electrochemical polymerization are introduced in this paper. the essential difference between electrochemical condensation polymerization and electrochemical addition polymerization has been elucidated especially. in addition, a new concept of electrochemical cyano addition polymerization has been put forward

    介紹了電化學聚合反應的定義、分類、機理和應用，闡述了電化學縮合反應和電化學加成聚合反應這兩大類電化學聚合反應的本質差別，另外還提出了電化學氰基加成聚合反應的概念。
  10. I put forward the generic principles of programming cross - platform code, use conditional compilation order to assert cross - platform application, deal with the difference between windows and linux in program source code, complete cross - platform source code, compile source code using delphi7, then the compiled application runs on windows. compile source code using kylix3, then the compiled application runs on linux

    提出了編寫跨平臺代碼的一般原則，使用條件編譯指令維護跨平臺應用程序，在程序的源代碼中針對windows和linux操作系統之間的差異進行了相應的處理，使得在源代碼級完成了跨平臺，然後只需要針對不同的操作系統分別編譯就可以在相應的操作系統上運行。
  11. Combining with the performances of danshan bridge, discussing the methods on the construction controlling and calculation of cable - stayed bridge, this paper raises an efficient construction controlling system, and realizes collecting construction data of the real bridge and technical information. by analyzing on the difference of theoretical calculation and real construction state, the author determines to take self - adapting construction controlling method which uses kalman filter method to identify and adjust construction parameters. by getting rational construction state from forward iteration method, this paper, taking concrete creep effect in consideration, raises a rational scheme to pre - remain deformation and adjust cable force

    結合丹山橋的結構特點，通過對斜拉橋施工控制及結構計算方法的探討，提出了有效的施工控制系統，實現了對實橋施工數據和技術信息的採集；通過分析理論計算與實際施工狀態的差異，確定了以卡爾曼濾波法作為施工參數識別與調整的自適應施工控制方法；通過正裝迭代法確定其合理施工狀態，並考慮混凝土的徐變效應，提出了合理的預留拱度和索力調整方案。
  12. Since the temperature difference was most important parameters in thermal effects calculation, a combined temperature difference method considered year temperature difference and day temperature difference was put forward. with the combined temperature difference obtained from field tests, a lot of calculations have been done by finite element method ( fem ), considering of different structural measures. the law of displacement and stress in cshbb was presented and a relative displacement formula was deduced

    在介紹小砌塊建築的溫度作用分析方法的基礎上對溫度作用計算中最重要的參數? ?溫差取值進行了探討，提出了同時考慮年溫差和日溫差影響的組合溫差取值方法；根據各種不同的組合溫差取值方法，結合現場實測數據給出了試點建築的組合溫差取值，並考慮了不同構造措施的影響，對試點建築進行了有限元的溫度效應計算；給出了小砌塊建築的位移變化規律和應力變化規律以及層間相對位移的計算表達式。
  13. Taken into account the character of water cut and other factors such as the difference between injected steam and prouced water, a comprehensive discriminance to judge underground water is put forward

    在此基礎上，結合存水量變化等參數，提出了一種綜合判斷地層水侵入規律的方法。
  14. Through analysising the characteristics of the power system with floating neutral point deeply, the paper puts forward a new plan of single - phase to ground fault line selection on the base of s ' s signal injecton method and gives the hardware and software design. in this design, the high speed sampling and data processing is carried out through using dsp processor ; the large electrice current is drived through the application of a high - performance audio power amplifier and transformer ; the communication between host computer and detectors is realized through rs485 bus technology ; the difference multilevel frequency - selected amplifier is designed and the feeble signal of space is sampled on the base of the theory of magnetic induction ; the interface between dsp and exterior chip and rs485 interface logical is designed through using fpga ; the using of lcd module and keyboard interfacing chip makes the interface between human and machine ; the programme of host computer and detectors is designed through using blocking design method

    在本設計中，採用高速的dsp處理器，實現了對故障特徵信息的高速採集與處理;採用大功率的功放晶元與變壓器配合的方法，實現了大電流信號的驅動輸出;採用485總線技術，組建了裝置主機與多探測器之間的主從式通訊網路，實現了多干擾條件下裝置主機與多探測器的可靠通訊;設計了差分式多級選頻放大電路，採用磁感應的方法實現了對空間微弱信號的接收;利用fpga技術，實現了控制器與多外設的介面及數字信號的串並轉換;採用了先進的lcd液晶顯示模塊及鍵盤介面晶元，設計了人機信息交互的介面;採用了模塊化的軟體設計方法，開發了裝置主機及探測器的軟體程序。
  15. I suggested usable conditions of two methods, comment advantages and shortcomings about them ; and then i compare the result of port of china and foreign port, found out some reasons of difference of them. i put forward farther research issues at the end of the paper

    論文最後部分提出了兩種方法的使用條件，對兩者的優缺點進行了評述；然後將具體港口的測算數據進行了國際比較，找出存在不足的幾點原因；在論文結尾部分，提出了該項工作今後所要進行的進一步研究內容。
  16. Creativity - 4 / 10 - rarely gets far enough forward to make a difference, and his stock pass goes sideways

    創造力： 4 / 10很少深入前插助攻去尋機會，傳球也是本份的分向兩側。
  17. Article to college entrance examination chinese current situation of test, combination of thoery and practice, pass with western chinese graduation examination way, contrast of the method, middle school of developed country, the first part put forward college entrance examination chinese have an examination three principle that should follow, namely content and form of test should respect and meet hereditary quality and individual character difference of quality of student ; should work in concert with latest scientific research results ; should regard measuring students " innovation ability as the main purpose

    文章針對高考語文考試的現狀，理論聯系實際，通過與西方發達國家中學語文畢業考試方式、方法的對比，第一部分提出高考語文考試應遵循的三個原則，即考試的內容和形式應尊重和適應學生的遺傳素質和個性品質的差異；應與最新的科學研究成果相呼應，內容應新穎、獨特，能激發人的潛能；應以檢測學生的創新能力為主要目的。
  18. It studies and puts forward the flexibility difference curvature method, and many simulated damage examples show that the method has notable advantages such as high damage identification sensitivity, strong reliability, and visualization and simplicity in amount and graph analysis

    本文研究並提出了柔度差值曲率法，多個模擬損傷實例說明該方法具有損傷識別靈敏度高、可靠性強、數值和圖形分析直觀簡便的顯著優點。
  19. Two - dimensional finite - difference time - domain forward simulation for ground penetrating radar model

    地質雷達二維時域有限差分正演
  20. The accuracy and the existent problem of forward difference method are analyzed on the basis of comparing the transfer function of recursive formula with theoretical transfer function

    從遞歸公式傳遞函數與理論傳遞函數比較的角度研究了計算中的精度及所存在的問題。
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