推進器系數 的英文怎麼說

中文拼音 [tuījìnshǔ]
推進器系數 英文
propeller coefficient
  • : 動詞1 (向外用力使物體移動) push; shove 2 (磨或碾) turn a mill or grindstone; grind 3 (剪或削...
  • : 進構詞成分。
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  • : 數副詞(屢次) frequently; repeatedly
  • 推進器 : impellent
  • 推進 : 1 (推動工作 使前進) push on; carry forward; advance; give impetus to 2 [軍事] move forward; dri...
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. On the basis of the study on the speech coder algorithms, paper describe an advanced method of developing dsp system software, and as the guidlines, we developed the programme of whole decoder unit. paper stress on analysis of the ecu in decoder unit. aiming at amr algorithms disadvantage of angularity of synthetical speech, paper study on the specutral extrapolation which apply to extrapolate reflect coefficient of track model to make error conceal processing of amr. at last paper analyze existing echo cancellation algorithms using on mobile communication system

    在此基礎上,描述了一種較為先的大型dsp統程序開發策略,並以此為指導思想,以美國ti公司c6000dsp開發平臺開發出了整個amr解碼單元的統程序。論文對amr解碼的誤碼隱藏處理單元行了重點分析,針對原有演算法合成語音自然度不好的缺點,論文研究了將譜外法應用到amr演算法中外出聲道模型反射行誤碼消除處理。
  2. For a soil or rock of water - lacked, a heat transfer theoretical model is developed, which is a steady or unsteady, the results show that reservoir temperature, thermal diffusion coefficient, inlet temperature, flow rate of and run time of ground source heat pumps have an effect directly on heat transfer process of dhe. it can deduce that intermit running is favorable for this type of soils and rocks

    對于貧含水地下巖土層建立了穩態與非穩態傳熱的理論模型,分析結果表明,巖土層的熱儲溫度、導溫、埋地換熱水溫度、流量以及地源熱泵統的運行時間或開停機比,都對埋地換熱的傳熱過程產生直接影響,可以斷,對于該類型巖土層的地源熱泵統,採用間歇運行將是有利的。
  3. With the research object of overbank soft clay near the yiluo river, by means of pack drain to accelerate the consolidation of the soft ground and analysis of fourteen selected representative observation section, in the same time with the help of such testing apparatus as settlement plates, deflection inclinometer, piezometer, telescoping tube, my study not only evaluate the effect of pack drain ' s quickening up the consolidation of soft ground impersonalily and scientifically but also sum up the settlement disciplination of overbank soft clay after more than one years ? observation of settlement and stability continuously

    本文以伊洛河河灘相軟土為研究對象,利用沉降板、測斜管、孔隙水壓力計、分層沉降標等多種測試儀,選取14個有代表性的觀測斷面,行了一年多的沉降與穩定觀測。通過對觀測據的分析,而對袋裝砂井加速河灘相軟土固結效果行了客觀、科學的評價,同時算了沉降m _ s和固結度參,並對河灘相軟土的沉降規律行了分析。
  4. As the popularization and application of integrate logistics support engineering thinking at our country industry field and the military continuously, the evaluation of equipment integrate logistics support capability become the mostly means to check up the stand and fall of equipment character of supportable design, the efficiency of the equipment using supportability and the decision - making to equipment ' s continuous model development, at the same time, along with the development and maturity of computer simulation technique, the research of analysing and evaluating equipment ' s effectiveness steps into a new stage, we can get the handle and maintain data on the base of originally lasting accumulating in existence by utilizing the computer emulating technique, which is necessary to analyzing and evaluating the ground - to - ground missile ' s integrate logistics support effectiveness, via simulating the handling and maintaining process of ground - to - ground missile weapon, we can evaluate the ils effectiveness comp rehensively, impersonally, veraciously, consequently, provide decision - making gist to make the best support project

    隨著綜合保障工程思想在我國工業界和軍方不斷普及和廣應用,裝備綜合保障能力的評估成為檢驗裝備保障性設計好壞、裝備使用保障效能高低以及裝備后續型號發展決策的主要手段,同時隨著計算機模擬技術的不斷完善和成熟,裝備效能分析與評估研究入了一個新階段,我們可以在導彈武綜合保障效能分析與評估所需使用與維修據原始積累的基礎上,利用計算機模擬導彈武在真實使用環境中的使用維修過程,達到對導彈武統的綜合保障能力行更全面、客觀、準確的評價目的,從而為裝備保障部門制定最優的保障方案提供更好的決策依據。
  5. The linear model of the proposed system is derived to analyze the system stability and to select the controller gains

    本論文還導出控制統的線性化模型用來對行穩定性分析和控制的選擇。
  6. Because the designing fin and oar and the experiment fin and oar pro rata, so we can use the coefficients to calculate our designing fin and oar " s rising force. secondly, constituted the control system of pushing fin, and studied its control scheme. lastly, used matlab to simulate our control system, and applied ga to optimize the parameters of pid controller ; from the simulation result we can see the pushing fin has the ability of reducing the ship shake in all speed

    最後,對力鰭減搖裝置控制統用matlab語言行模擬,並應用遺傳演算法理論,對力鰭控制統中的pid控制行優化,並將模擬效果與傳統的鰭的減搖模擬效果行對比,從模擬效果上可以看出,力鰭減搖裝置控制統的減搖效果在低航速下優于傳統的鰭的減搖效果,而且在中、高航速下力鰭的減搖效果也能達到傳統鰭的減搖效果,打到了設計的目的。
  7. Abstract : according to the characterestic of resistance furnace temperature control, temperature rising one - way control, large time delay and time - variation of parameter, using method of fuzzy compositional rule of inference establish fuzzy model and design fuzzy cntroler. in order to increase control system precision, it gives a fuzzy variable k, and sets parameter self - adjusting fuzzy control system. this system can on line self - adjusting controller parameters according to the error and variations of the error. it makes the system steady precision improved

    文摘:根據電阻爐溫控制的特點,即只有升溫單向控制、滯后較大且具有參時變性,利用模糊理合成法建立模糊模型並行模糊控制設計,為提高模糊控制的精度,引入模糊變量k ,構成參自調整模糊控制統.該統可根據誤差和誤差變化在線自動調整控制,使統的穩態精度得到改善
  8. According to the characterestic of resistance furnace temperature control, temperature rising one - way control, large time delay and time - variation of parameter, using method of fuzzy compositional rule of inference establish fuzzy model and design fuzzy cntroler. in order to increase control system precision, it gives a fuzzy variable k, and sets parameter self - adjusting fuzzy control system. this system can on line self - adjusting controller parameters according to the error and variations of the error. it makes the system steady precision improved

    根據電阻爐溫控制的特點,即只有升溫單向控制、滯后較大且具有參時變性,利用模糊理合成法建立模糊模型並行模糊控制設計,為提高模糊控制的精度,引入模糊變量k ,構成參自調整模糊控制統.該統可根據誤差和誤差變化在線自動調整控制,使統的穩態精度得到改善
  9. However, analogue controller is dominant in electric propulsion system for underwater ship

    但在水下艦船的電力統中,模擬控制仍佔了大多
  10. First we introduce theory and merits of graphic wavelet transform, then mallat algorithm, multi - scale characteristic, quadratic b - alpine wavelet and the coefficients of this filters, and etc. later we calculate the gradient matrix based on the result of wavelet transform, thin the contour and get spatical information

    先介紹圖像小波分解方法的原理、 mallat快速演算法、多尺度特性、 3階b -樣條小波基函的選取及其濾波導等,然後根據小波變換結果計算梯度矢量矩陣,行非極大值抑制和雙閾值化,提取目標輪廓。
  11. The change of transformer ’ s output voltage with coupling coefficient is analyzed. the calculated formulas for parameters of air - core and part - magnetic - core pulse transformer are deduced based on electromagnetic theory. comparing with past formulas for calculated the parameters of the transformer, this formulas is more accurate to reckon the parameters of transformer

    首先從理論上分析了提高耦合對變壓輸出電壓的影響,導了高功率帶繞式空芯和部分磁芯脈沖變壓的電感及耦合的計算公式,並與已有的方法行比較,經實驗驗證,本文導的方法能夠較準確地計算帶繞式空芯脈沖變壓的參
  12. 2. to meet the demands of establishing a practical control system, this paper analyzed the main sensors " construction, performance, and work theory in a dynamic positioning system, discussed the output format of the sensors " signals and the feature of the signals " noise, introduced the common thrusters, and established the thruster ' s mathematics model

    2 )為滿足建立實際控制統的需要,分析了動力定位統主要傳感的構成、性能和工作原理,討論了傳感信號的輸出形式及信號噪聲的特點,介紹了常用,建立了學模型。
  13. The first - order perturbation method correct for forcing decoupling method based on perturbation theory is put forward to decrease error ; iii. the complex modal method is introduced into analysis of non - classical damping systems to eliminate error of forcing decoupling method, and improve the complex modal response spectrum, which can apply to design of non - classical damping systems ; iv. for exerting the energy dissipation capability of each device, a two - step optimum method, whose controlling function is extremum expectation of interbedded displacement, is put forward to optimize the number and position of device ; v. the problem of iterative method applied to analyze energy dissipation systems is indicate, and give some primary advice based on pilot study

    為改善上述缺點,本文行了以下的研究工作:在忽略耗能附加質量的基礎上,導出適用於耗能減震結構的攝動法,減少振型分解法在迭代計算過程中的工作量,加快計算速度;針對運動方程的強行解耦所產生的誤差,根據攝動法原理,對其行一階攝動修正;為消除強行解耦振型分解法用於非比例阻尼結構分析時產生的誤差,引入狀態空間對行復模態分析,並改了基於復模態理論的、適用於非比例阻尼結構設計的雙反應譜方法;對于耗能量和位置優化行了一些探討和研究。
  14. Meanwhile, the mathematic model of torpedo ' s electrical propulsion system is established, which is composed of zn / ago batteries, two step shifting electrical equipment, cooterrotating dc motor and counterrotating propellers. the torpedo electrical drive system ' s changing regulations in stining, shifting and stopping ttansient process are exposited as well

    同時對由鋅銀( zn / ago )電池、兩級變速電、雙轉電機和對轉螺旋槳組成的魚雷電動力統建立了學模型,揭示了由雙轉電機和對轉螺旋槳為主組成的魚雷電動力統在啟動、變速和停車的暫態過程中的變化規律。
  15. In this papef, the torpedo ' s counterrotating propulsion dc motors ( including series excitation motor and permanent magnetic excitation motor ) are the core to stlldy ; combining the characteristics of battery shiffing electrical equipment and counterrotating propellers, the mathematic models of the torpedo ' s electrical counterrotating propulsion system ( including the mathematic models of the propulsion motors and the zn / ago battery and the shifting electrical equipment and counterrotating propellers ) are established

    本論文以雙轉魚雷直流電機(包括直流串勵電動機和永磁他勵電動機)為研究重點,結合鋅銀電池組、變速電、對轉螺旋槳的特性,建立魚雷電動力統的學模型(包括電機、鋅銀電池、變速電和對轉螺旋槳等的學模型) 。
  16. Firstly, this paper summarizes modern weaponry stealth technology at home and abroad, and lays special emphasis on analyzing stealth problem of cruise missile ’ s guidance head cover, aerocraft radar canopy and other privileged sites. secondly it makes a research on related theories of transparent metallic mesh that applied to missile ’ s guidance head cover and aerocraft radar canopy, and deduces relational expression between transparent metallic mesh structural parameters and radar wave - shielding efficiency, infrared transmitting. we use laser direct writing technique to fabricate a metallic mesh ( dimension : 70mm 70mm ; line width : 5 m ; period : 350 m ) on glass surface, then do experiment to test radar wave - shielding of metallic mesh via radar transmitting and receiving device

    本文首先綜述了國內外現代武統隱身技術方法;重點對巡航導彈導引頭罩和飛機雷達艙罩等特殊部位的隱身問題行了研究,研究了金屬網柵用於導彈頭罩和飛機雷達艙罩隱身的相關理論,導了金屬網柵結構參對雷達波屏蔽效率和透紅外關式;用激光直寫工藝,在玻璃表面上製作了一塊面積為70mm 70mm ,線寬為5 m ,線周期為350 m的金屬網柵;在實驗室里用雷達發射和接收裝置測試了網柵對雷達波的屏蔽實驗;認為利用金屬網柵技術對雷達波具有一定的屏蔽作用,而且不影響精確制導的紅外線高效透過。
  17. This kind of controller is easy to design and operate, and has improved convergence rates and less overshoot than pid controller, but has stable error. in order to improve the properties of the fuzzy controllers, fine - tune - rule fuzzy controller, fine - tuned parameter fuzzy controller and fuzzy - pi controller were designed respectively based on the simple fuzzy controller. then fuzzy logic inferential system is established by using toolbox of fuzzy logic in matlab7. 0. secondly, in simulink6. 0, through the instance of the template of s - function, the module of s - function for optimizing fuzzy control and corresponding control model are constructed, and the parameters of simulation are set

    這種控制易於設計、實現方便,較傳統pid控制有更快的響應速度和更小的超調,但其存在靜態誤差;為了一步提高模糊控制的控制特性,在此基礎上分別設計了可調整控制規則模糊控制、參自整定模糊控制和模糊- pid復合控制;然後利用matlab7 . 0模糊邏輯工具箱圖形用戶界面建立模糊邏輯統,在simulink6 . 0統模擬設計平臺中通過實例化s函模板創建旨在優化模糊控制的s函功能模塊,並構建模糊控制統框圖模型,設置統模擬參,最終對行動態模擬。
  18. Secondly, basing on the theory of on - off gain of small signal, the raman gain coefficient for frequency shift between 0. 5 and 20 thz of standard sigle mode optical fiber is measured by pump - probe method through a super luminescent diode ( sld ) as a broadband small signal probe source. thirdly, numerical simulation analysis of gain characteristic of raman fiber amplifier for c band wdm signal light is made according to the raman gain coefficient of the fiber measured before through target and four rank runge - kutta method. at the invariability of wavelength and maximum power of each of two pumps, schematic of powers of two pumps for best flatness on c band wdm optical gain was found out, at the same time, the factors of resulting in gain saturation is analyzed, too

    本文首先應用經典的電磁理論對拉曼光纖放大的工作機制行了分析,然後,根據小信號理論導出的開關增益求出了光纖拉曼增益的表達式,採用泵浦-探測波的方法,利用超輻射激光二極體( superluminescentdiode簡稱sld )作為探測光源,測量了所用標準單模光纖頻移為0 . 5 - 20thz的拉曼增益,之後根據所測得的光纖的拉曼增益譜對應用該類光纖構成的放大c波段wdm光信號的拉曼光纖放大的增益特性採用打靶法和四階龍格- - -庫塔行了值計算,在給定了兩個泵浦光源的波長和最大功率后,找出了反向泵浦情況下使c波段wdm光源增益最平坦的兩個泵浦的各自最佳功率,同時也分析了導致信號光飽和的原因。
  19. In this paper, the author deduces the air dynamic and torque transmission system model for the 1. 3 mw active stall wind turbine, then founds the control model under the simulink circumstance. and does the output power simulation based on the certain wind speeds. then confirms the coefficients ki and kp

    本文針對1 . 3mw風力發電機組,導了了空氣動力學模型和傳動統模型,在此基礎上在控制模擬軟體simulink環境下建立了風力發電機組控制模型,在給定風速下對風力發電機組的輸出功率行了模擬,並確定了pi控制的比例和積分
  20. A mathematical model and its simulation model of fuzzy control based on wheel acceleration and deceleration logic threshold control are presented. a concept of reference velocity is introduced, and a fuzzy rule control table is established

    建立基於車輪加減速度門限值的abs模糊控制學模型和模糊控制模擬模型,給出參考車速概念和模糊控制規則表,並對takagisugeno理的abs模糊控制行了模擬。
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