振蕩模 的英文怎麼說
中文拼音 [zhèndàngmó]
振蕩模
英文
oscillation mode-
Large - eddy simulation of pressure oscillations in a dump combustor
突擴燃燒室低頻壓力振蕩的大渦模擬The traditional analog frequency - sweeping instrument, which mostly uses the lc circuit as the frequency oscillator, is more expensive, too much bigger and heavy to carry. it can only display the curve of amplitude - frequency, but ca n ' t used to measure the phase - frequency, and ca n ' t used to print the curve of frequency response characteristic either. it brings many discommodity to the user
傳統的模擬式掃頻儀大多是用lc電路構成掃頻振蕩器，它不僅價格昂貴，體積龐大，而且只能顯示幅頻特性曲線，不能得到相頻特性曲線，更不能列印被測網路的頻響曲線，給使用者帶來諸多不便。In the section 3, we calculated the threshold and efficiency of double resonance oscillator ( dro ) in plane wave of clbo ; we also got the efficiency curves of clbo in gaussian beam
第三章分析和數值模擬計算了平面波雙諧振情況下clbo晶體的振蕩閾值和轉換效率曲線，同時給出了高斯光束的轉換效率曲線並與bbo晶體進行了比較。In the sub block circuit design, the contents that the author had introduced include : the principle of band gap voltage reference and the design technique in low power supply ; the analysis of spike pulse noise rejection, frequency divider and dead time in oscillator and control circuit ; the selection of the width and length ratio of four switches and 2x / 1x mode change point in driver and mode selection circuits
在子電路設計中，作者比較深入分析的內容有:基準電路的原理及低電源電壓下基準電路的設計;振蕩器和控制電路中尖峰脈沖噪聲抑制、兩分頻電路及死區時間設定;驅動及模式選擇電路中開關管的寬長比的選擇及模式轉換點的設計。The dynamic glycolysis chaotic oscillation process is identified using vbl network, which shows that this algorithm has better convergence property than other algorithms
對糖酵解混沌振蕩過程進行動態辨識建模，結果表明本演算法具有較好的辨識效果和收斂性。In the case of homogeneous broadening only one mode can normally oscillate.
對于均勻加寬的情況，只有一個模能正常地振蕩。In order to verify the accuracy, credence and effectiveness of the unstructured overset grid algorithm, steady and unsteady flow field of naca0012 airfoil are simulated. the unsteady flow field is caused by the oscillation of the airfoil. the two computational results are both compatible well with the experimental data
為了驗證非結構重疊網格方法的正確性、可靠性和有效性，本文對基於非結構重疊網格的naca0012翼型的定常流場以及簡諧振蕩的非定常流場進行了數值模擬，均取得了與實驗數據符合良好的結果。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。One obtain a description of the vibrational modes in terms of self-consistent oscillations of the nuclear density and potential.
藉助核密度和勢的自洽振蕩我們便得到振動模式的描述。These models have enough precision in subsynchronous oscillation ( sso ) problem analysis
這種模型對于分析次同步振蕩（ sso ）問題，具有足夠的精度。Then the different behaviors between fixed series capacitor and tcsc are compared aiming at ssr, when they are individually applied to typical model of ieee second benchmark on subsynchronous resonance
繼而以ieeesecondbenchmarkonsubsynchronousresonance典型模型為例，比較了固定電容串補與可控串聯補償在模型系統中針對同步發電機次同步振蕩這一行為所造成的差異表現。Using the particle - in - cell ( pic ) model, a 8 millimeter relativistic backward wave oscillator underlying superradiance mechanism was gotten, the influence on both operation frequency and radiation efficiency of the guiding magnetic field, the diode voltage, the beam current and the beam radius as well as the corrugation structure were also presented
採用pic方法，通過數值模擬優化設計了超輻射狀態下的8毫米相對論返波振蕩器，分析了引導磁場、二極體電壓、電子束流、電子束半徑、周期慢波結構等對器件的輻射功率及輻射效率的影響。During helicopter slung - load flight, the main flight quality modes include : phugoid, dutch roll, longitude and latitude slung - load oscillation. according to the ads - 33e - prf specifications, the flight stability qualities had been evaluated
直升機機外吊掛飛行過程中，體現飛行品質的運動模態主要為荷蘭滾模態、縱向浮沉振蕩模態，以及吊掛物橫向、縱向振蕩模態。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。Then residues associated with the oscillation of interest are used as the effective index and their relative magnitude under several operation conditions are used as the robust index of damping controllers
在此基礎上，提出了用低頻振蕩模態對應的留數大小來衡量控制器輸入信號的有效性，用多個運行方式下留數的相對大小來衡量輸入信號的魯棒性。Two relevant models are intro - duced : ( 1 ) the neutrino rocket model for neutron stars with high velocities ; ( 2 ) the 3p2 - superfluid phase transi - tion model for pulsar glitches
介紹了與之有關的兩個模型： （ 1 ）高速中子里的中微子火箭噴流模型； （ 2 ）脈沖星周期突變的3p2中子超流渦旋渦旋相振蕩模型。In order to overcome these problems, the prony method based on angle measurement technology is used. it " s ability to estimate the frequency, damping and strength of modal components would be quite valuable to power system research. 2
據此研究使用prony方法直接分析測量信號、提取特徵振蕩模式的方法，並結合前後兩種方法分析兩者之間的聯系，從理論上分析了prony方法的有效性。Some fundamentally influential factors such as systemic structure, the distribution of power flow, effects of excitation system and pss, as well as characteristics of load models, etc, are discussed in detail to study the systemic damping
隨后從系統結構、潮流分配方式、勵磁系統和電力系統穩定器的作用以及負荷特性等角度，詳細討論了影響互聯系統振蕩模式阻尼的因素，並研究了這些因素的相互作用。Chapter 4 presents a detailed analysis of low frequency inter - area oscillations of the south china interconnected power system for the year of 2005 based on the eigenvalue analysis method. participation factors and mode shape diagrams of generators related to the inter - area oscillations are figured out, and locations of pss are determined accordingly, the parameter setting for the pss is studied as well
採用特徵值分析法詳細分析了2005年夏大運行方式下南方電網的低頻振蕩特性，計算了對應主要振蕩模式的發電機參與因子和模態分布圖，並根據參與因子的大小研究了南方電網的pss配置方案及其參數整定。The problems and the ways to solve them in simulating oscillating circuits with pspice
在振蕩模擬中存在的問題及改進方法分享友人