正壓擾動 的英文怎麼說
中文拼音 [zhēngyārǎodòng]
正壓擾動
英文
barotropic disturbance-
Utilize the principle of wavelength 1 / 4, when there is high pressure to interfere, the lightning conductor will hold up automatically ( discharge ), the normal work of the system
利用1 / 4波長原理，當有高壓干擾時，避雷器會自動短路（放電） ，系統正常工作。The feedbacks of position, velocity, acceleration and dynamic pressure were applied to adjust the model, so the control system of single jar electrodraulic servo mechanism was built. to reduce the system error and interference error, the compound control was designed. the results of simulations showed that the magnitude attenuation and phase lag of the system come to the project demand
引入包括位置反饋、速度反饋、加速度反饋和動壓反饋在內的反饋控制技術對電液伺服驅動機構模型進行綜合校正，從而建立單缸電液伺服控制系統，並在分析系統誤差和擾動誤差后，加入復合控制減小系統誤差和抑制干擾，模擬結果表明復合控制系統的控製品質有了明顯改善，能夠滿足工程需求。On the part of the design of nine - component thrust vector stand, an automatic hydraulic pressure original position calibration system, a scheme of original position calibration, and the great rigidity universal flexible combinatorial underprop are designed. by using the scheme of “ universal flexible combinatorial underprop plus software digital filter ”, the inherent frequency of test stand is improved, and the problem of test stand libration is solved. then, the resolving method of the disturbance between underprops of the moveable frame is proposed, and the disturbance revise equation is deduced
在推力矢量試車臺設計方面，設計了自動液壓原位校準系統、原位校準方案以及大剛度萬向柔性組合支撐;採用「萬向柔性組合支撐+軟體數字濾波」的方案，提高了試車臺動架的固有頻率，解決了試車臺動架的振動問題;提出了動架約束互擾問題的解決方法，推導了互擾修正方程;研究了九分力推力矢量測量誤差分析方法，並計算了推力矢量測量精度。At last, the load transmission property of cast - in - place piles, the developing cause of friction resistance and base resistance, and some factors which influence pile ' s bearing capacity and settlement are analyzed. then, we introduced two parameters, e and c to represent the disturbing effect in pile construction on parameters of modulus es and cohesive c, which determined by the pressed piles
在這個基礎上進一步分析了打入樁的沉樁擠土效應對樁荷載傳遞的影響及其與靜壓樁的差異，在靜壓樁修正系數k _ c和k _ e保持不變的情況下，再引進打入擾動系數_ e和_ c ，以其和原來靜壓樁的k _ c和k _ e的乘積作為打入樁時的修正系數。Research and application on wall interference correction method of equivalent kinetic pressure
等效動壓洞壁干擾修正方法的研究與應用Through analysis of potential vorticity in isobaric surface field, in low - troposphere a positive potential vorticity disturbance exist and form incline disturbance column northward before rainstorm generation, at the same time have also reflected positive potential vorticity disturbance for severe convection weather trigger role in lower - troposphere ; soon positive potential vorticity disturbance in high - troposphere downward, form one vertical disturbance column, now corresponding precipitation develop stage ; in the prosperous stage of rainstorm that maintains isolines of horizontal distribution and still have straight positive potential vorticity disturbance in 600 - 700 hpa isobaric surface field ; when near ground arises negative potential vorticity disturbance, precipitation also weaken
通過對等壓面的位渦分析，發現了在暴雨發生前，在對流層低層有正位渦擾動存在並向北形成傾斜的擾動柱，同時也反映了對流層低層正位渦擾動對強對流天氣的觸發作用；隨后高層正位渦向下擾動，形成一個垂直擾動柱，這時對應降水的發展階段：在暴雨的鼎盛階段， 600 700hpa上空維持水平分佈的等值線，在其上還有正的位渦擾動；當近地面出現負的位渦擾動時，降水隨之也減弱。Experimental results show it can find the rough toa range in order to lessen the computation burden, while getting rid of glints and disturbing components attached to the phase difference signals, the paper suggests a data compression procedure combined with dynamic smoothing
為了減小擬合計算量並盡量濾除疊加在相位差序列上的干擾起伏，採用了數據壓縮結合滑動平均的預處理方法，並對該方法的正確性和有效性進行了方差分析驗證。Abstract : wind tunnel experiments were carried out to investigate the influence of wind direction on the wind pressure of proximite buildings. mean and fluctuating pressure coefficients on a high building, at sixteen different wind incidences and with one and two interfering buildings, were measured in the tests. this paper presents the characteristics of wind pressure on the building, which varies with the incident wind angle and with the numbers of adjacent buildins. due to the variation of wind angle and the interference effects, the complex feature of pressure distributions can be found on the downstream building surfaces for building group arrangement at certain angle of wind attack. some area of the interfered building for such configuration, in comparison with one single building ' s, may undergo very strong positive or negative pressures
文摘:通過風洞實驗研究了風向對兩個和三個鄰近建築風壓分佈的影響特性.實驗結果給出了在不同風向角下，作用於受擾建築上的平均和脈動風壓系數.當受擾建築處于下游位置時，建築之間的干擾效應主要表現為遮擋影響，建築物上的總體風壓系數不是很大，但在建築物表面上有時會產生局部較大的負壓系數.另外，在某些風向角下由於受到上游分離氣流的影響，在下游建築的局部表面又會出現較大正壓.這些結果可供建築布置和結構設計時參考Abstract : since piezoelectric resonant filter can not effectively prohibit higher - frequency harmonic, the mechanism of this problem has been discussed by means of a specific example which shows that there exists lots of undesirable resonant frequencies of piezoelectric that would let pass undesirable signals. to solve this problem ， an ameliorated electrostatic mechanical resonant filter is proposed and a specific case is demonstrated. the example of electrostatic resonant micro - bridge asserts that by adjusting the gap of exciting capacitance the higher - frequency vibrating model of micro - bridge cannot be excited based on orthogonal character of intrinsic vibrating shape of micro - bridge, so that this kind of resonant filter can effectively filter out undesirable higher - frequency harmonic
文摘:提出壓電諧振濾波器不能很好地濾除高頻諧波的問題，結合一個具體例子理論推導了壓電諧振濾波器存在許多干擾諧振頻率，從而不能有效濾除一些特定頻率的干擾信號.為了解決這個問題，提出一種改進型的靜電激勵諧振濾波器.為了說明其可行性，具體分析了改進型雙端固支微梁靜電激勵諧振濾波器，理論推導證實基於雙端固支微梁的各階振型正交的原理，通過適當調整激振電容的間距，雙端固支微梁的高階振動模態受到很好的抑制，因此這種諧振濾波器可以有效阻止濾波器中心頻率的高頻諧波的通過Since piezoelectric resonant filter can not effectively prohibit higher - frequency harmonic, the mechanism of this problem has been discussed by means of a specific example which shows that there exists lots of undesirable resonant frequencies of piezoelectric that would let pass undesirable signals. to solve this problem ， an ameliorated electrostatic mechanical resonant filter is proposed and a specific case is demonstrated. the example of electrostatic resonant micro - bridge asserts that by adjusting the gap of exciting capacitance the higher - frequency vibrating model of micro - bridge cannot be excited based on orthogonal character of intrinsic vibrating shape of micro - bridge, so that this kind of resonant filter can effectively filter out undesirable higher - frequency harmonic
提出壓電諧振濾波器不能很好地濾除高頻諧波的問題，結合一個具體例子理論推導了壓電諧振濾波器存在許多干擾諧振頻率，從而不能有效濾除一些特定頻率的干擾信號.為了解決這個問題，提出一種改進型的靜電激勵諧振濾波器.為了說明其可行性，具體分析了改進型雙端固支微梁靜電激勵諧振濾波器，理論推導證實基於雙端固支微梁的各階振型正交的原理，通過適當調整激振電容的間距，雙端固支微梁的高階振動模態受到很好的抑制，因此這種諧振濾波器可以有效阻止濾波器中心頻率的高頻諧波的通過To capture the disturbance voltage waveforms, the generating method of start signal for waveform - recording is proposed on the basis of characteristics and classification of typical voltage disturbances, and its feasibility and validity are illustrated by simulation
根據典型電壓擾動的特徵和分類特點，提出了擾動錄波啟動信號的產生方法，通過模擬驗證了方法的可行性和正確性。分享友人