流線波 的英文怎麼說

中文拼音 [liúxiàn]
流線波 英文
streamline wave
  • : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • 流線 : filament line; filum aquae; flow line; streamline; streamlining; line of flow; stream filament流...
  1. Energy consume, electric strength, insulation resistance, ground conductivity, leakage current, microwave leakage, power input, normal temperature, humidity treatment, glow wire, horizontal flame, vertical flame, tracking, ball pressure, rainproof, water splash, dustproof, salt fog, endurance, motor load test, cord flexing, cord pulling, pull & torque test, lamp replacement, construction check etc

    能耗、電氣強度、絕緣電阻、接地連續性、泄漏電、微泄漏、功率、溫升、濕熱試驗、灼熱絲、水平燃燒、垂直燃燒、漏電起痕、球壓試驗、防雨淋、防濺水、粉塵、鹽霧、耐久性(壽命)試驗、電機負載試驗、電源彎折、電源提拉、拉扭力測試、燈頭互換性、安全結構檢查等。
  2. Two nonlinear simulation methods are designed by curve fitting method and anfis which seem simply and right in the simulation experiment. based on the model different control strategies also were realized in detail such as chopped current control ( ccc ), angular position control ( apc ), amplitude - change ccc and pi control. a simple torque sharing function ( tsf ) method and a tsf controller were designed which decreases torque ripple effectively

    文章中還建立一種基於模糊神經網路的非性模型,並對比分析了三種方法,模擬中確定了電機的最優開通關斷角,在此基礎上實現了電控制、角度位置控制、變幅值電控制以及分段雙閉環pi控制,模擬結果表明,它實現了電機的正常運行,很好的抑止了電機轉矩脈動,同時有效地降低了噪聲。
  3. The correlative items of dc filters are researched on the basis of gezhouba - shanghai hvdc transmission project. in the analysis the three - pulse model is used to simulate converter, which takes into account the impact of the stray capacitance. the harmonics distribution on dc lines is simulated accurately, especially the harmonic ignored in old models

    本文以葛上直輸電工程為基礎,研究直器設計中的相關問題,採用考慮了雜散電容的三脈動模型來建立換站模型,更為準確地模擬出直輸電路上的諧分佈情況,尤其是模擬出舊模型中忽略的次(為自然數)諧,為直器的設計提供了更精確的數據和判斷依據。
  4. Diagrams of velocity vectors and streamlines display waveform and amplitude properties, showing the effect of fibres on enhancing the flow stability. the computational results are tested

    Piv測量得到場速度矢量圖及圖,擾動幅與形特徵說明, re數一定時動穩定性隨h值增大而提高。
  5. In euv and soft x - ray band, the most often used detector is ion chamber with rare gas, from whose collective electrode we can directly calculate intensity of photon flux

    在極紫外和軟x射段常用的探測器是稀有氣體電離室,可以通過電離室收集極的收集電直接計算出光子強度。
  6. Slice through the water, don ' t plow. make your middle name " streamline "

    走水無需劈斬浪,要呈「型」 。
  7. Such rocks were dug out of the bottom of the lake, and sometimes when something was needed to correct their lines, they would be chiseled until they were perfect and let down into the water again for a year or so, so that the chisel marks might be obliterated by the movement of water

    這種石頭是由湖底掘出來的;有時如果它們的條有改正的必要,那麼,人們就會把它們琢磨一下,使它們十全十美,然後再放進水裡浸一年多,讓那些斧鑿的痕跡給水動洗掉。
  8. Dissertation explains the theory and characteristices of switched reluctance motor based on its idealy linear math mode. analyseing and researching on control characteristic, control parameters, control strategy and their relationship, thesis designed hardware circuit and software of control system based on the strategy. dissertation discussed the transform function of system and illustrates it is essential to chang parameters in the pid control arithmetic, estimating parameters for the digital pid controller primarily, dissertation also researched on the exciting and protection of igbt

    論文以開關磁阻電動機的理想性數學模型為理論基礎,對其原理特性進行了說明,對開關磁阻電動機的控制特性(轉速、轉矩) 、可控參數(導通角、關斷角、相電、繞組端電壓)與控制策略(電、電壓斬、角度位置控制等)及它們之間的關系進行了研究和分析。
  9. For both newtonian flow and non - newtonian flow, the vortices are generated when the waviness of the bottom profile is beyond a critical number. by increasing the waviness, a second vortex can be generated. with the increasing of reynolds number, the symmetry of the streamlines at re = 0 is destroyed and the vortices are sloped and become larger

    形板的動度超出臨界值,形板壁面上的動出現分離,動中有渦生成;增大動度,動中出現第二個渦; re = 0 ,場中對稱分佈;雷諾數增大,駐點在水平方向出現位置偏移,渦的范圍增大;對于非牛頓體,隨著剪切變稀指數的減小,渦的作用范圍減小。
  10. It is necessary to study the mechanism of harmonics generation, make sure the content and distribute of harmonics current in order to alleviate their harm to traction power system ' s component, equipments of protect and measure as well as other customer ' s electronics equipments

    為了從根本上抑制電力牽引負荷諧帶來的影響,削弱諧對牽引供電系統主元件、保護測控裝置和其他用戶電子設備的影響,有必要研究電氣化鐵道牽引諧產生的機理,確定饋的含量與分佈狀況。
  11. The thesis realizes the control exciting winding method and the best exciting in towards polarity method provided in this thesis with singlechip ( at90s8535 ) and scr hardware. it proves these methods are accurate and available through the control exciting winding test. analyzing the stator current and exciting current test curves on a salient - pole synchronous motor with 2kw - 4 poles, it solves the starting - difficulty of salient - pole synchronous motors, and improves motors " starting capability

    通過在一臺2kw 、 4極凸極同步電動機上進行異步起動試驗和分析試驗過程中的勵磁繞組電和定子繞組電形,證明了本文提出的勵磁控制路的正確性和可行性,較好地解決了凸極同步電動機起動難的問題,同時改善了電機的起動性能。
  12. The researches have proved the current mode superior to the voltage mode in high - frequency applications. in the paper a general integrator is completed to synthesize a bilinear si filter with a cutoff frequency of 17. 2mhz

    模技術的研究已經證明其高頻應用中具有優于電壓模技術的特性,文中對通用積分器加以完善,推導出雙性變換的開關電器,其截止頻率達到17 . 2mhz 。
  13. This specification is applied to the capacitor ohich are used to across - the - line for the appliance like power supply. tv. vcr. monitor

    (適用於)低頻電路中的耦合、隔直、濾及旁路電路中,主要用在電視,投影機,顯示器的天上。
  14. By analyzing the refraction 、 reflection process of fault transient current traveling wave of high voltage and characteristics of refraction 、 reflection coefficient systematically, a new fault location method of single ended traveling wave is presented. it can not only identify the reflection wave for fault location efficiently, but also not be affected by the structure and length of line. fault earthed resistance 、 fault type 、 system impedance and can locate fault in adjacent areas accurately

    論文深入地分析了高壓路故障暫態電折、反射過程以及折、反射系數的特點,提出了新的單端行故障測距方法,它不僅能夠有效地識別出測距所用的反射,而且幾乎不受路結構、長短、故障接地電阻、故障類型、系統阻抗的影響,在近區仍可以準確地進行測距;同時模擬阻器的特徵,設計了低通數字濾器,對通過了低通數字濾器的暫態故障電再次進行小分析,並利用本文提出的單端行故障測距方法進行故障定位,結論是所提出的測距方法在實際應用中仍是有效的。
  15. Firstly, the basic theory of switch reluctance generator ( srg ) is discussed in detailed, based on the mechanism electric energy converting analysis, non - linear analysis and non - linear simulation. three control methods of srg ( angle position control method, current chopping control method, pulse width modulation control method ) are deeply studied and analyzed. the electronic controller, which controlled by dsp or by hardware circuit are developed for low - power switched reluctance generation system

    首先系統地研究了開關磁阻電機發電運行的基本理論,從機電能量變換的角度分析開關磁阻發電機的機電能量變化規律;通過非性分析和非性模擬方法,明晰開關磁阻電機發電本質,概括出開關磁阻電機發電運行的特點;系統、深入地研究了開關磁阻電機發電運行的控制方案(角度位置控制、電控制、脈寬調制控制) 。
  16. By using high - speed data acquisitioning unit designed specially to capture travelling waves of transient current, using global positioning system ( gps ) to supply high precise time tagging for both ends, using wavelet transform theories to identify the head of the travelling waves, the fault locator can realize high precise double - ended travelling waves location

    該測距裝置採用專門設計的高速采樣單元捕獲暫態電信號,用全球定位系統( gps )為路兩端提供精度高達1 s的統一時標,用小變換理論識別暫態電頭信息,從而可以實現高精度的雙端行法測距( 150m ) 。
  17. This program is launched to solve a fundamental issue existed : the direct factor influencing the optical transmission - variation of refraction index of the media in flow - field, in other words, to use ground simulation equipment or facilities to investigate the ao effects when qualitatively visualizing and quantitatively measuring the interaction of high - temperature, turbulent or shock wave flow - field with optical beam propagating through them, so that technology support can be provided for the high - speed interceptor development

    本項目就是針對這一瓶頸技術存在的基礎性問題:場介質折射率變化是影響光學傳輸最直接的因素,即針對光穿過高溫和湍、激等復雜場作定性顯示和定量測量問題而開展的氣動光學效應地面模擬測試研究工作,為高速攔截彈的發展提供技術基礎。
  18. This paper puts emphasis on dynamic simulation based on switched reluctance drivers ' s ( srd ' s ) nonlinear model, and study of fuzzy control for srd. based on switched reluctance motor ' s linear, nonlinear model, the dynamic simulation model of srd ' s is built respectively. the phase current, phase torque, total torque and speed of srm in current chopping control ( ccc ) and angular position control ( apc ) are calculated respectively with this simulation

    本文在分析sr電機性、準性、非性模型的基礎上建立了四相( 8 / 6極) sr電機調速系統( srd )動態性、非性模擬模型,分別對電控制方式( ccc )與角度位置控制方式( apc )下sr電機相電、一相轉矩、合成轉矩及角速度進行了模擬。
  19. And a novel systematically method, using linear combination approach to design high order filter, has been proposed. the designed filters can be adapted by adjusting the bias currents, without changing the physical structure. the results of the examples and pspice simulator show the advantages and availabilities of this method

    並且提出了多項式性組合法,採用該方法不但能設計出所要求的高階電器,而且能在不改變物理結構的情況下,利用電控制傳送器的特性,調整其偏置電,實現濾器輸出特性的改變。
  20. The fill time result shows the position of the flow front at regular intervals as the cavity fills. each color contour represents the parts of the mold which were being filled at the same time

    充填時間?間隔顯示前隨時間的位置變化,同一種顏色的等值表示這些部分同時被充填。
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