能量換算率 的英文怎麼說

中文拼音 [néngliánghuànsuàn]
能量換算率 英文
energy conversion factor
  • : 能名詞(姓氏) a surname
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • : 動詞1. (給人東西同時從他那裡取得別的東西) exchange; barter; trade 2. (變換; 更換) change 3. (兌換) exchange; cash
  • : Ⅰ動詞1 (計算數目) calculate; reckon; compute; figure 2 (計算進去) include; count 3 (謀劃;計...
  • : 率名詞(比值) rate; ratio; proportion
  • 能量 : 1 [物理學] energy; amount of energy 2 (能力) capabilities; capacity; 能量不滅 conservation of e...
  • 換算 : [數學] matrixing; scaler; conversion; convert; translation換算表 conversion table; equivalent tab...
  1. This calculator to the practical function of the conversion, including the length of the conversion unit, exchange rate conversion and the various units of measurement conversion

    此次的計器加入了實用的轉,包括長度單位的,匯以及各種計單位的
  2. Monitor apparatus can measure valid value of three phase voltage and current, power factor, three phase disequilibrium, instant flecker of short time and harmonic without twenty, degree and harmonic distortion total. the paper are laid on the following. ( 1 ) master plan and function of circuit, ( 2 ) hardware design including circuit and principle of a / d conversion, phase lock, liquid crystal display and keystroke and so on, ( 3 ) design of system software including digital filtering, fft, a / d conversion and monitor interface of pc, ( 4 ) system test

    監測儀夠完成包括三相電壓、三相電流的有效值、功因數、三相不平衡、電壓短期閃變、以及20次內的諧波、諧波相位、諧波失真總等的測。論文重點介紹了以下幾部分: ( 1 )電路的總體設計和功; ( 2 )硬體設計,包括a d轉、鎖相環、液晶顯示和按鍵輸入等原理和電路。 ( 3 )系統軟體設計,包括a d轉、 fft 、數字濾波等程序的原理和演法以及上位機監控界面的設計; ( 4 )系統測試。
  3. The combination of exchange rate direction and conversion type determines the operation performed on measures to be converted by the mdx script generated using the business intelligence wizard

    方向和類型的組合決定了使用商業智向導生成的mdx腳本對待值所執行的操作。
  4. After analyzing the switching characteristic of mosfet, the object function of optimizing curve of the output capacitance coss is confirmed according to the switching loss caused by output capacitance coss, then the optimized curve of the output capacitance coss is ascertained by applying zoutendijk to seek the optimized value with constraint ; the simulation of switching circuitry and dc - dc circuitry is tested at different frequency in pspice, then the least square method is adopted to fit simulation curves to calculate corresponding energy data

    在電子線路模擬軟體pspice中進行了mosfet開關電路以及典型dc dc轉線路模擬測試,針對不同頻段的測試結果,採用最小二乘擬合法對模擬曲線進行擬合,計出相應的數據,最後綜合模擬結果確定出減小器件開關損耗,提高dc0c轉線路效的器件輸出電容cob優化曲線。
  5. As to the simulation, three - dimensional n - s equations and two - phase flow model, in which the liquid toluene spray as discrete particles was considered, were employed to describe the turbulent combustion processes in the combustion chamber. the mass and energy transfer between the two phases were calculated by the droplet evaporation model, and the arrehnius model was used to obtain the gas chemical reaction rate. the details of 3d flow field, the distributions of temperature and compounds were obtained by solving the equations

    數值模擬方面,應用三維湍流n - s方程以及顆粒軌道模型描述了激光器燃燒室內部的噴霧兩相燃燒流動過程,兩相之間的質由液滴蒸發模型計,氣相化學反應速由arrhnius公式計,通過耦合求解氣液兩相模型方程,模擬了燃燒室三維流場,得到了燃燒室內的溫度和組分濃度分佈。
  6. Z - tranformation augmented fasf algorithm proposed in the dissertation can reduce the search space of integer ambiguity effectively, improve the effiency and real - time processing ability of integer ambiguity resolution ; it is essential to analyse the reliability of integer ambiguity after it was fixed, the ratio test algorithm proposed in the dissertation can reduce the time to fix new integer ambiguity after wrong fixes are detected ; to reduce further the number of epochs required for ambiguity resolution, that the baseline length constraint information which acts as observables is used to do kalman filtering to speed up ambiguity resolution is proposed

    本文提出的z變增強fasf演有效的減小模糊值搜索空間,提高整周模糊值解的速度和實時性;整周模糊值確定后,需要對整周模糊值的可靠性進行分析,本文提出的比檢測演有效的減少整周模糊值錯誤確定后整周模糊值二次解所需要的時間;為了進一步減少整周模糊值解所需的歷元數目,本文提出把基線長度先驗信息作為觀測進行卡爾曼濾波輔助整周模糊值求解。
  7. 3. on boiler retrofit, the calculation of fuel burning, the heat calculation of boiler inside structure and convection section, and the design of structure parameter of feed water heat exchanger are made. the flue gas channels " resistance calculation and the boiler strength verifying are also carried out. replacement of water cooling wall improves heat exchanging and decreases loss of heat radiant

    對鍋爐本體進行了燃料燃燒計、爐膛結構熱力計、對流受熱面結構熱力計、鍋爐給水加熱器結構參數設計、煙道阻力計及鍋爐元件強度校核等;改進了水冷壁布置使熱效果更好,減少輻射熱損失;改進對流段結構,更充分的利用爐膛出口煙氣余熱,提高熱效;並且進行了煙氣阻力計、熱效平衡測試,對改進后的稠油燃料和改進前進行了對比,燃燒狀況和熱效有明顯改善。
  8. 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變和對稱分,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程序分別計系統的動態和穩態性。通過對系統的具體參數進行了模擬運和實驗研究,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、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
  9. 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、組網等,重點研究了光交叉連接的功和結構、性,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、流類型、光網路生存性) 、 r認人演法的分類和比較,具體研究了幾種動態r場人演法; 4 .研究了以全光連接建立時間為優化目標的r認認演法,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;研究了以多光纖網路連接阻塞為優化目標的r認城演法,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場人演法模擬,利用新的鏈路權重函數使得演法具有更優的性,使網路具有更低的連接阻塞
  10. In the section of experiment, we focused on the research of optical system of optical parameter oscillation, computer controlling data sampling closed - circuit system and technology of computer controlling feed - back. in the section of optics, we used present condition to do the experiments about optical parameter effect and got a series of characteristic curve on power transition efficiency and output power

    本文的實驗部分主要側重於智化光參系統的光學部分、計機控制數據採集閉環系統以及計機控制反饋技術的研究。在光學部分,本論文利用現有實驗條件進行了參振蕩器頻調諧的研究,得到了調諧曲線,並做了輸出參光的以及輸出功的實驗,得到一系列特性曲線。
  11. Chapter 5 describes how to design fuzzy control rulers by reverse pulse algorithm, which solves the problem of fast charging on the storage battery. this method is applied to improve the efficiency of power conversion and shorten the charging time

    第五章從蓄電池快速充電理論出發,根據馬斯定律,以電壓和溫升作為控制變,運用反向脈沖模糊控制演法對蓄電池快速充電進行模擬,用以提高電,縮短充電時間。
  12. In addition, the author puts forward that the eggs could be recognized based on the difference in the frequencies of their prompted sounds. because the eggs " prompted sounds are lied on low frequency bands, the microphone and sound amplifier that have excellent duration response should be used. the output signal from the sound amplifier is transferred to data signal by a / d card before it is put into computer

    蛋品激勵出的聲音主要集中在低頻段,因此選擇在低頻段有好的頻響應特性的麥克風和放大電路;放大輸出信號通過a / d採集板變成相應的電壓數值信號送入計機,對離散的信號數據進行傅立葉變得到它的頻譜圖和各頻段分布圖;而後將分佈特徵數據作為神經網路的輸入值,這樣,好蛋和破損蛋的模型就建立起來。
  13. Afterwards, in order to decrease the contradiction between the more complex and mass remote sensing image data and relatively slow speed of information extraction, an improved sfim image fusion method is proposed. this modified algorithm is on the base of sfim fusion technique, combines ihs method and sfim method and then replaces the former mean filter by an adaptive weighted mean filter. compared with the results of several common fusion techniques through a set of simulation tests between multispectral images and panchromatic images, it is proved that the new method can get an excellent result for the aim of improving spatial resolution while preserving the spectral information of multispectral images

    論文的主要工作和成果包括:在像素層,論文研究了多傳感器數據融合理論及遙感圖像預處理的過程和步驟,歸納了多源遙感圖像像素層融合的常用演法,並針對目前遙感數據呈海化、復雜化這一發展趨勢同遙感信息提取的力和效滯后這一矛盾,在sfim演法的基礎上,將ihs變與sfim相結合,將原演法中的均值濾波器改進為自適應加權均值濾波器,提出了一種改進的sfim演法,通過對一組多光譜圖像和全色圖像的雙傳感器融合模擬對比試驗,證明了該演法在保持原多光譜圖像光譜信息的同時,夠有效提高融合圖像的空間分辨力。
  14. 4. based on energy equivalence and power equivalence method separately, the additional damping ratio formula of nonlinear viscous damper is derived and it ' s suggested power equivalence method is more suitable for nonlinear viscous damper. then the transforming equality between actual and spectra velocity of structure is derived, based on which, the additional damping ratio equation is revised

    4 、分別採用等效方法和功等效方法,推導了非線性粘滯阻尼器的附加阻尼比公式,指出功等效法更適合於非線性阻尼器;推導了結構的實際速度和譜速度之間的轉公式,基於該轉公式修正了功等效方法下的附加阻尼比計公式。
  15. Advanced fpga technology is introduced to improve the integration of digital circuits, and all digital circuits in the original module are integrated in the fpga chips, which could not only reduce the cost, but also improve the reliability and measurement precision of the circuits. high speed digital signal processor ( dsp ) is selected as the coprocessor instead of scm ; it can receive all kinds of commands sent from vxi, analyze and execute the commands, harmonize each section of the module and process the data. higher - conversion - speed comparator chip is adopted to convert the input signals being measured into square waveform signals which could be identified by fpga chip ; it can expand the measurement range of frequency dramatically

    本文在原有vxi總線四通道計數器模塊的設計基礎上,通過對原模塊缺陷的分析,採用一些新的技術和新的電子器件來重新設計該計數器模塊:採用最新的fpga技術來提高數字電路的集成度,將原模塊中的所有數字電路全部集成在fpga晶元中,這樣不僅節約成本,還提高電路的可靠性和測精度;採用高速的數字信號處理器( dsp )取代原有的單片機作為協處理器,來接收vxi發來的各種命令,分析命令、執行命令、協調模塊各部分的工作以及對數據的處理;採用轉更高的比較器晶元將輸入的被測信號轉為fpga晶元夠識別的方波信號,極大提高測的范圍;採用d / a轉晶元和隔離運放大器得到隔離通道所需的比較電平,該比較電平值夠根據實際需求進行設置,增強模塊的使用靈活性。
  16. According to the theory of engineering thermodynamics and phase change, heat - transfer process of the special working fluid heat - pipe stove is analyzed. some hypotheses are postulated and with the help of equation of mass - conservation, energy - conservation, the dynamic concentrative parameter model is built, the change of each parameter is prescribed at any stage from starting to stopping. with the thermodynamic calculation of burnable process, the parameter of device, such as heat - transfer coefficient / thermal efficiency etc, are achieved under steady state ; based on theoretic calculation, observing the actual running circumstance of the heating stove in person, with some performance comparison between the new and the old, the high efficiency and reliability of heat - pipe stove is proved, the project which expend it in the oil - filed is feasible

    對充入該工質的熱管加熱爐,本文根據工程熱力學和相變傳熱學及相關知識,對其進行了傳熱分析,經過適當假設,運用質守恆和守恆定律,建立了裝置動態集中參數模型,描述了加熱爐從開機到穩定運行這一動態過程各參數的變化情況,同時對燃燒過程也進行了熱力計,最終得到了穩態工況下裝置的熱系數、熱效等熱力參數;在理論計的基礎上,親赴現場觀察該爐的實際運行情況,通過與原有的加熱爐的各項性進行對比,最終證明新爐的高效性和可靠性,為其在油田中推廣的可行性提供了依據。
  17. This paper, regarding the asphalt pavement in the zhoukou region as the study object, according to the prevalent norms ( specifications for design of highway asphalt pavement ), with the beginning of the pavement performance and the transportation investigation, totally and systematically analyzes the traffic parameters and the destroying reason of pavement at the early stage in the point of fatigue property and limit strength, gives the concepts and methods of the growth rate of equivalent axle load action time, seasonal modification factor and overload factor, proposes the method of axle load conversion on the condition of heavy loading. on this basis, it proposes the design method adapting to asphalt pavement construction, explains the steps of thickness computation of construction with the combination of engineering example, finally verifies thedesign method in the paper by test road. theory and practice both prove that the reasonability of pavement structure style and the reliability of design method in the paper can adapt to the present heavy loading and overloading traffic conditions, have highly theoretical and practical value

    本文以周口地區瀝青路面為研究對象,以現行《公路瀝青路面設計規范》為依據,從路面使用性和交通特徵的調查入手,從疲勞特性和極限強度出發分析了路面早期破損的原因,全面系統地進行了交通參數的分析,提出了當軸次增長、季節修正系數和超載系數的概念和方法,並提出了重載交通的軸載方法。在此基礎上,針對超載、重載交通從結構組合設計、結構厚度計(包括疲勞強度標準和極限強度標準)等方面提出了適宜的瀝青路面結構設計方法,並結合工程實測,說明了結構層厚度計的具體步驟,最後通過試驗路驗證本文提出的設計方法。理論與實踐均表明,本文提出的路面結構型式合理、設計方法可靠,適應目前重載、超載交通的狀況,具有較高理論與實用價值。
  18. First, variable speed constant frequency wind energy convertion theory is described in this paper, then presents a review on the development of wind turbines control and the main types of generator and static converters used to interface variable speed wind turbines to the electric grid. then discuss main circuit constructure and advantage of direct drive wind energy conversion system and introduce pitch - control method for wind power traction and electric power stability. simply aerodynamic characteristic of the turbine is analysised and permanent magnet synchnonous generator math model is established. to convert the variable frequency electricity into utility grid, back to back four - quadrant pwm - vsi is used and three typies of control strategy is presented to capture the maximum wind energy and transmit energy. then simulation is implemented to test the control strategy. in the following chapter a simple ac - dc - ac converter with a dc - dc boosting chopper is proposed to transmit the wind energy into electricity energy and two control strategy is presented

    建立了永磁電機和變流器的數學模型,針對雙pwm變頻器的特點提出了三種控制策略對變流器進行控制,通過變流器交-直-交的變,將發電機發出的變頻變幅值交流電轉化為可用的恆定頻的交流電,通過pwm調治使其輸出功因數為一,並且該控制系統功因數為可調,在特殊情況下同電網交一定的無功功,並通過對變流器的控制實現了最大風俘獲的功。最後採用matlab / simulink進行了模擬,取得了良好的模擬效果。在風力發電系統中,採用先進的最大功俘獲演法,有效的從風中獲得最大的
  19. On one hand, the problem of " big horse pulls little wagon " is resolved and the working efficiency of motor is improved by optimizing way to control the stator ' s voltage ; on the other hand, an energy automatic processing system of " electric motor generates electricity " is developed, in which, the energy of the feedback of motor generating electricity is processed duly and correctly through real - time switch control of the generating electricity absorbing energy cell and is used at wellhead instead of returning power net

    本課題運用新型電力電子技術和計機控制技術研究開發了一種電機功因數自調整及節控制系統,一方面通過對定子電壓的尋優控制,解決了「大馬拉小車」問題,改善了電機的工作效;另一方面開發了一種電機「倒發電」自動處理系統,通過倒發電吸收單元的實時切控制,將倒發電反饋的及時準確地進行處理,使其在井口利用不返回電網。
  20. Speech enhancement based on hilbert - huang transform theory

    元和頻彎折小波變的語音識別特徵參數
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