oscillation method 中文意思是什麼

oscillation method 解釋
振蕩方法
  • oscillation : n. 1. 【物理學】振蕩,擺動,振動;振幅。2. 動搖,猶豫,仿徨。3. 蹣跚。4. 【無線電】發雜音。
  • method : n 1 方法,方式;順序。2 (思想、言談上的)條理,規律,秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. A method to eliminate self - oscillation in testing hfe of low power uhf audion

    時自激振蕩的一種消除方法
  2. Magnetoelectricity gear method is a general torsional oscillation measurement method. it has disadvantages on less measure point and improved - needed dynamic characteristic. in the paper a new method of measuring torsional oscillation of the turbine - generator shaft was proposed on the basis of high speed ccd ( charge coupled device ) photography

    現行的扭振測量方法以磁電式齒輪測量法為主,這種方法存在測點少,動態特性有待提高的缺點,就此本文提出了一種基於高速ccd ( chargecoupleddevice )攝像技術的汽輪發電機組軸系扭振測量的新方法。
  3. Any subtle change of capacitance can be measured through the method of modulation on high - frequency harmonic oscillation return circuit

    電容的微小變化可通過對高頻諧振迴路調制的方法進行測量。
  4. And finally, with hllc and lax - friedrichs type approximate riemann solver for discretising conservative equations and a nonconservative equation, a simple accurate and fully eulerian numerical method is presented. compared with the numerical results of hll scheme, the hllc scheme has a high resolution for shock waves and avoiding the nonphysical oscillation of the hll scheme

    最後用lax ? friedrichs格式及hllc格式作為通量函數對守恆一維euler型方程組進行了離散,並將數值模擬結果和saurel的hll格式模擬結果進行了比較,發現:在兩相流數值模擬過程中,相對來說hllc格式對激波的解析度最高,結果最穩定,避免了hll格式在間斷處的非物理性數值振蕩。
  5. A new damping estimation method, the secant line method, was presented, that is based on the distance of neighbor peaks and valley of oscillation

    摘要提出利用相鄰波峰和波谷之間距離估計阻尼比的割線方法。
  6. This simplification principle is the foundation of the following analysis. using the test signal method, a detailed analysis of subsynchronous oscillation for a hvdc system is performed

    ( 3 )對一個僅含有直流輸電線路的系統,採用復轉矩系數- - - -測試信號法,對其次同步振蕩特性進行了分析。
  7. The numerical simulation of axisymmetric two - dimensional shock tube is studied, which has a conical convergent section, and its driving gas is the hot product of hydrogen oxygen detonation. finite volume tvd scheme is adopted and the mesh is local orthogonal. the primitive equations are euler s equations of multi - component flow. the new method of eliminating numerical oscillation at the interface of two materials is extended to two dimensions. the mechanical character of this shock tube is analyzed

    對由前向爆轟產生驅動氣體並具有局部錐形收縮截面的軸對稱激波管利用兩相常比熱完全氣體的歐拉方程組和有限體積tvd格式在局部正交的網格上進行了二維數值模擬。將消除兩種介質界面處數值振蕩的新方法成功地推廣到二維情況。分析了該激波管的力學特性。
  8. Digital simulations reveal many valuable characteristics of the power system low frequency oscillation. the limit of conventional analysis and the appearance of new technique such as wams together with the advance of the nonlinear theory, require a new method for oscillation research of power grid, which can combine small and large disturbances analysis effectively

    論文指出,由於傳統小信號穩定分析方法的局限性,及動態監測設備和非線性理論等新技術與理論的迅速發展,有必要研究新的振蕩分析方法,以更加有效地揭示互聯系統小擾動、大擾動后的振蕩機理,並研究相應的控制策略。
  9. On the other hand, the function of the rough regulation is the same as the open loop system. the a / f controller adopts the approaching increment method in the smooth regulation and the pi controller for non - oscillation or stable increment method for low - speed oscillation in the micro - regulation

    噴氣占空比粗調階段為對map圖執行取值操作;細調階段為執行增量逼近法的階段;微調階段為執行pi環節或執行低速振蕩微調。
  10. Wrist watch type measuring, pressure oscillation method

    腕表型測量,壓力震蕩法
  11. On the contrary, because of the effect of positive damping provided by the inverter, the unit near a inveter will have no subsynchronous oscillation risk. based on the same method described above, a damping study is carried out for a hybrid ac / dc system, which include a hvdc link and an ac transmission line in parallel

    研究表明,系統整流站附近的同步發電機組要承受電氣負阻尼作用,因此有可能引起機組低頻扭轉振蕩模式失穩;而hvdc的逆變站向其臨近同步發電機組提供正阻尼,因而機組不存在次同步振蕩危險。
  12. To avoid high frequency oscillation in the course of autopilot design, damping coefficient value was treated as a constraint, the rise time was taken as objective, and the other performance criteria were taken as constraints, then the robustness design problem was solved by multi - objective optimization method

    摘要在導彈控制系統設計過程中,考慮了自動駕駛儀的高頻振蕩問題,將其轉化為系統的一個約束條件,同時把上升時間轉化為目標函數,其他設計指標視為約束條件,採用有約束多目標優化的方法解決了系統魯棒性設計問題。
  13. Based on the idea of subordinate meshes, we bring forward a new method of weighted volume which is used for constructing linear interpolation polynomials. besides, according to the eno interpolation on unstructured grids, a class of linear interpolation polynomial is developed on irregular quadrilateral grids and allows very small oscillation. program in fortran is given for a remapping algorithm developed by caiqingdong

    另外,根據非結構網格的eno插值的思想,構造了四邊形網格網眼內的線性插值多項式,由於利用其插值點自適應選取的特性,在物理量變化劇烈區域選取最光滑區域的點來插值,雖然不能保持單調性,但只允許出現非常小的振蕩。
  14. Some practical method to lifting the rated capacity of vsc - hvdc is discussed. ( 4 ) the subsynchronous oscillation ( sso ) characteristics of a synchronous machine connected to a static var compensator is studied with the complex torque coefficient method realized by time domain simulation, and some important conclusions are obtained which can guide the design and operation of svcs to avoid sso problem

    ( 4 )基於時域模擬實現的復轉矩系數法,對與靜止無功補償器svc相聯接的同步發電機組的次同步振蕩( sso )特性進行了深入的研究,得出了一些重要結論,可為svc的設計和運行提供避免sso的依據。
  15. Based on the theory of fluid dynamics. transient - flow and vibration, the structure parameters of the air - volume ( such as the volume and position of the air - volume ) affect the pressure oscillation in piping system is put forward, and the designing method for the parameters of the air - volume according to the role of the air - volume is provided

    本文根據流體力學、瞬變流以及振動學的理論,研究了管道系統中空氣室結構參數(空氣室的容積,安裝位置等)對壓力脈動的變化規律,提出了根據空氣室工作任務要求設計空氣室的計算方法。
  16. In order to deal with oscillation and fault resistance, the paper presents a new method of adaptive distance relay protection based the above relay protection

    同時對系統振蕩和過渡電阻對保護的影響進行了研究,提出了一種自適應距離保護模型。
  17. Paints and varnishes - determination of density - oscillation method

    塗料和清漆.密度的測定.振蕩法
  18. Paints and varnishes - determination of density - part 3 : oscillation method

    塗料和清漆.密度的測定.第3部分:振蕩法
  19. Pile oscillation method

    堆振蕩法
  20. The measurement of capacitance current in distribution networks by using the controllable oscillation method

    利用可控振蕩法測量配網電容電流
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