theoretical variable 中文意思是什麼

theoretical variable 解釋
理論值
  • theoretical : adj. 1. 理論（上）的，學理上的 （opp. applied）。2. 假設（性）的；純理論的，推理的。3. 空論的 （opp. practical）。adv. -ly
  • variable : adj 1 易變的，變化無常的，無定的 （opp constant steady）。2 可變的，能變的；變換的。3 【數學】變...
  1. We also give the theoretical error result of antithetic variable monte carlo ( amc ) method for multi - variable functions whose degree is no more than two. the constant before o ( n - 1 / 2 ) is less than that of the mc method

    對次數不高於2的多變量函數， amc方法其誤差階是o （ n ~ （ - 1 / 2 ） ） ，但其系數比原始蒙特卡羅積分（ mc ）方法的誤差階的系數小。
  2. How to vary the two variable quantity of the buck - boost basic circuit on the high frequency switching and whether or not their varying laws are fit for their theoretical conclusion

    高頻開關下的buck - boost電路中各個變量的動態變化如何，其變化規律是否與理論上的推導一致。
  3. The paper has done all - around study on the ac excited of variable - speed constant - frequency ( vscf ) wind power generation. the author has done thorough study on the vscf wind power generation technology using wound - rotor doubly - fed induction generator, from simulation to experiment, from theory to practice. he also did at large theory analysis to the vscf wind power generation technology using cascaded brushless doubly - fed generator, and has established stability theoretical foundation for continue study work

    本文對交流勵磁變速恆頻風力發電領域的關鍵技術進行了較為全面的從模擬到實驗、從理論到實踐的深入研究，同時對具有廣泛潛在應用前景的級聯式無刷雙饋發電機變速恆頻風力發電技術也進行了洋盡地理論分析，為今後進一步的深入研究奠定了一定的理論基礎。
  4. The optimum results are gotten by simulation of changing the value of some variable such as feed position, theoretical tray. the optimum value can be used to guide industrial design. both isopropyl acetate and butyl acetate as azeotropic agent are contrast to each other according to operational data. besides, liquid - liquid equilibrium still is designed by onself, and its credibility is checked by the experimental data of the system acetic acid water - isopropyl acetate at 24

    對乙酸-水-乙酸異丙酯體系和乙酸-水-乙酸丁酯體系，分別進行了進料板位置、理論板數的優化計算，得到的優化結果可用於指導工業過程的設計；對採用乙酸正丁酯和乙酸異丙酯作夾帶劑時的操作進行了綜合比較。
  5. The study has completed the design of two - phase inverter and made up of the two - phase inverter - motor system for experimental use it is a variable frequency adjustable speed system with a open - loop control of rotational speed, which consists of voltage - controlled oscillator circulating assign device inverter circuit and two - phase induction motor a accurate mathematical model is set based on the whole system, and simulator program of dynamic and steady condition is established, which is used to calculate the dynamic and steady performance by kron and symmetrical coordinate converter by simulator calculation and experimental research with specific parameter of the system, a comparison is made between predicted and experimental characteristics, experimental measurements are shown to compare closely with corresponding theoretical result it is compared with some variable frequency adjus table speed system comprising inverter and single - phase induction motor from the system efficiency torque pulsation and the effect of two - phase inverter capacitance based on the conclusion, harmonic cancellation pulse width modulation control of a two - phase inverter - fed induction - motor drive system is researched, which cancelled the low harmonic and improve the system performance

    通過對電機的kron變換和對稱分量變換，建立了系統較精確的數學模型，編制了系統動態及穩態運行的模擬計算程序分別計算系統的動態和穩態性能。通過對系統的具體參數進行了模擬運算和實驗研究，實驗和模擬結果進行比較，說明實驗和理論較為一致，並從系統效率、轉矩脈動及兩相逆變器電容的影響等方面與各種逆變器和單相異步電動機組成的變頻調速系統加以比較。在此基礎上，對兩相逆變器供電-異步電動機系統使用諧波抑制pwm控制進行了研究，由於減少了低次諧波，改善了系統性能。
  6. Presents the system established by taking variable - speed torque converter with adjustable guide blades as a pilot control unit and forming an open or closed loop feedback control system, and its outstanding advantages, such as high capacity, simplicity, reliability and good transmission efficiency owned by hydrodynamic drive, and the dynamic model developed for variable - speed torque converter with adjustable guide blades by means of theoretical analysis and regression analysis of experimental data, and concluds that the model is sophisticated and simple enough to be used as a tool for design, analysis and computer simulation of a hydrodynamic control system

    以導葉可調式液力變矩器作為控制單元組成的開環或閉環液力控制系統，具有液力傳動裝置能容大、系統簡單可靠、傳動效率較高等顯著的優點.通過理論分析和試驗數據的回歸分析方法建立了導葉可調式液力變矩器的數學模型，模型既簡單，又有足夠的工程應用精度，為液力控制系統的設計、動態分析和性能預測提供了必要的理論基礎
  7. Besides, practical load of the ghes varies with time. the variable load of ghes is decomposed as a series of pulse load, and the superimposition principle is employed to obtain the real temperature response of the ghes on basis of the theoretical solutions of a single borehole experiencing a constant heat flux

    利用把具有摘要， . . . . . . . . . . . . . . .復雜邊界條件和熱源的問題分解為許多較簡單的問題的方法，把具有多個鉆孔的地熱換熱器溫度場化作許多單孔溫度場的益加，建立了多鉆孔地熱換熱器溫度場亞加模型。
  8. Combined with the practical situiation in distribution network, it ' s suitable to select graph algorithm as the theoretical algorithm base. based on structure variable dissipated network theory, this thesis detailedly discusses the transforms of base - to - shape, shape - to - base, vertex - to - arc, arc - to - vertex, over - heated arc dectection, load allotting, load balancing and optimum restoration

    本論文基於變結構耗散網路理論，詳細討論了基形變換、形基變換、點弧變換、弧點變換、過熱弧搜尋、負荷分配、負荷均衡化以及優化恢復非故障停電區域供電等一系列與饋線自動化功能相關的處理演算法。
  9. The theoretical research of starting control of continuously variable transmission system is based on theory of continuously variable transmission system

    無級變速傳動系統的理論是開展雙狀態無級變速汽車起步控制理論分析的基礎。
  10. The variable intercept fixed effect panel data model set up in this paper based on the financial data between 1997 and 2004 of 34 listed companies in electric power industry has proved that the theoretical analysis of this paper is well founded in that the maturity structure of debt financing has remarkable positive relation with enterprise value ; and that the size of enterprises, the ratio of negotiable share and the shareholding ratio of the first shareholder have significant influence on enterprise value

    本文利用34家電力行業上市公司1997 ~ 2004年的財務數據，通過建立變截距固定效應面板模型，證明企業價值與債權融資期限結構具有顯著的正相關關系，這一結果支持了本文的理論分析；實證結果還表明企業規模、流通股比例、第一大股東持股比例對企業價值具有顯著的影響。
  11. Based on optimal control theory and singularly perturbed theory, a singularly perturbed midcourse guidance law that guarantees air - to - ground missiles to ascent quickly is proposed. this new guidance law is a composite control law consisting of three parts : optimal climbing control using variable weighting factor method, minimum energy cruising phase control and minimum energy switching phase control. moreover, a new control logic is designed in order to remove influence of climbing control on switching phase. simulation results of a certain type of air - to - ground missile are presents. it is shown that, with simple control algorithm and feasible onboard implementation, this law not only guarantees air - to - ground missiles to ascent quickly, but also satisfies the requirements of midcourse phases. the studies have important theoretical meaning and great value of engineering application

    為滿足實際作戰的要求，基於最優控制理論和奇異攝動方法，提出了一種可保證中遠程空地導彈快速爬升到最優高度的中制導律.它由變系數最優爬升控制，最小能量巡航控制和最小能量下滑控制組成.為了減小爬升段控制對下滑段的影響，提出了一種新的控制邏輯.最後針對某型空地導彈進行了模擬.結果表明，該中制導律較好地滿足了中遠程空地導彈在中制導段的要求.本文的研究結果具有較好地工程參考價值
  12. Abstract : based on optimal control theory and singularly perturbed theory, a singularly perturbed midcourse guidance law that guarantees air - to - ground missiles to ascent quickly is proposed. this new guidance law is a composite control law consisting of three parts : optimal climbing control using variable weighting factor method, minimum energy cruising phase control and minimum energy switching phase control. moreover, a new control logic is designed in order to remove influence of climbing control on switching phase. simulation results of a certain type of air - to - ground missile are presents. it is shown that, with simple control algorithm and feasible onboard implementation, this law not only guarantees air - to - ground missiles to ascent quickly, but also satisfies the requirements of midcourse phases. the studies have important theoretical meaning and great value of engineering application

    文摘:為滿足實際作戰的要求，基於最優控制理論和奇異攝動方法，提出了一種可保證中遠程空地導彈快速爬升到最優高度的中制導律.它由變系數最優爬升控制，最小能量巡航控制和最小能量下滑控制組成.為了減小爬升段控制對下滑段的影響，提出了一種新的控制邏輯.最後針對某型空地導彈進行了模擬.結果表明，該中制導律較好地滿足了中遠程空地導彈在中制導段的要求.本文的研究結果具有較好地工程參考價值
  13. Based on the theoretical expression of the average intensity in the fourier transforming and imaging optical system with variable aperture, an algorithm is developed to change the intensity data versus the aperture radius into the bessel - fourier - transform - and - the - inversion of a function of the height - height correlation function. three samples of gaussian correlation are used for the experimental demonstration

    在理論分析和實驗測量中，我們採用了變孔徑的傅立葉變換和成像系統，由所得到的像面光強的解析式，建立了將平均光強隨孔徑的數值變化關系轉化為正逆傅立葉變換對，從而恢復出表面的高度?高度相關函數。
  14. In the theoretical aspect, performance analytical model of was proposed, in which allowances were made to allow for variable cross - sectional area, include the heat release of chemical reaction, and allow for mass addition. software was generated, and performance of rocket ejector was analyzed accounting for heat release location, flow parameters and structural configuration

    在理論方面，建立了引射火箭模態的性能分析模型，該模型考慮了化學反應放熱、加質和變幾何截面的影響；編寫了相應的軟體，並結合放熱位置、流動參數和發動機結構進行了引射火箭的概念設計。
  15. According to those practical problems mentioned above, this subject mainly deals with problems as follow : 1 ) carrying out lots of theoretical experiments and systematizing some theory knowledge of the detecting system. 2 ) studying the correlativity between the referring signal and the primary signal of the adaptive filter. 3 ) studying the effects of constraining the self - dithering interference based on fixed step - size ( fss ) and variable step - size ( vss ) lms algorithms. 4 ) designing the subsystem including hardware and software, developing the software and optimizing the adaptive algorithms for constraining the self - dithering interference of the non - contact life - parameter detection system

    本課題根據實際中出現的上述問題，主要從事了以下工作： 1 、非接觸生命參數檢測系統的原理性實驗、野外實驗及部分理論知識的整理； 2 、自適應處理參考信號與原始信號相關性的研究； 3 、基於固定步長和可變步長兩類lms自適應演算法抑制非接觸生命參數檢測系統自抖動干擾效果的研究； 4 、非接觸生命參數檢測系統自抖動于擾抑制系統設計、軟體研製和演算法的優化。
  16. The basic link carries out the function of the conventional fuzzy controller ; the adaptive link performs the modification of the control rules and includes three keys : the properties measurement, the rectification of controlling variable and the modification of the control rules. this method is simple. it is also flexible and convenience to modify. the result of the will testify that the design way is correct and the sa fuzzy controller is useful. for short of time, 1 just focused on theoretical discussion of acvf speed regulating system of sa fuzzy control

    基礎層完成和常規模糊控制器一樣的功能；自適應層則執行控制規則的修改，包含性能測量、控制量校正及控制規則修改三個關鍵步驟。這種方案設計思路簡單、修改靈活方便，體現武漢理工大學碩士學位論文這種自適應模糊控制的優越性。山于時間，本文僅從理論角度討論了船模自航試驗調速方案的自適應模糊控制，進一步更深入的實踐研究是今後亟待完成的任務。
  17. Theoretical and experiment researches of transmission mechanism and control strategy of the cvt have been carried out under the project ( 59835160 ) financed by national natural science foundation which includes follow content : 1 ) the kinematic relation of the metal pushing v - belt type transmission is analyzed. the relation among oil pressure of pulley cylinder, transmission ratio and input torque under load condition is studied. optimal design method for metal pushing v - belt type continuously variable transmission is put forward

    本文在國家自然科學基金重點項目（資助號： 59835160 ）資助下，對金屬帶式無級變速傳動系統的傳動機理、匹配及控制策略等進行了系統深入的理論分析和實驗研究，具體研究內容如下： 1 ）系統地分析了金屬帶無級變速傳動的基本運動規律，研究了在負載狀態下，帶輪油缸壓力與速比和輸入轉矩的關系，提出了對金屬帶式無級變速傳動系統進行優化設計的方法。
  18. The " net cash flow from operating activities / net profit ", a cash flow indicator that is emphasized both at home and abroad, was first time to be treated as one of the variables for corporate performance. the listed companies of manufacturing industry were grouped according to their asset scale and industry property. the empirical study of equity structure and corporate performance were carried out through combining the empirical analysis and theoretical analysis and by using stochastic variable intercept paral data mode and sas software package

    本文以製造業303家上市公司為總樣本，確定了6個股權結構變量、 7個經營績效變量，並在經營績效變量中，首次引入了國內外尤為關注的現金流量指標? ?盈餘現金保障倍數；將製造業各次類上市公司，按資產規模和行業性質進行劃分，採用實證分析與規范分析相結合的方式，運用計量經濟學建模方法? ?隨機影響變截距平行數據法，應用sas統計軟體，對我國上市公司的股權結構與經營績效進行實證研究。
  19. First of all, a chaos control method based on variable ' s differential feedback is presented and applied to control chaos on chaotic chua ' s circuit. and then based on this chaos control method, two schematic circuits are designed, i. e. continuous differential feedback realization and impulse differential feedback realization. the circuit simulations are consistent with the theoretical analysis and numerical simulations

    首先針對混沌chua電路提出了應用變量的微分反饋控制混沌的方法，並設計了基於該方法的兩種電路實現方案，即連續微分反饋控制電路實現和脈沖微分控制電路實現，電路模擬的結果與理論分析和數值模擬具有很好的一致性。
  20. This paper discusses the overall issues of wave variable method, including its theoretical foundations, wave variable and wave controller, problems in practical application and its latest developments, and then points out its future study directions

    本文對波變量法的理論基礎、波變量與波控制器、實際使用中的注意事項以及波變量法的最新進展做了系統的、全面的闡述，並指出其未來的研究方向。
分享友人
分享到 Line

分享到臉書