共振矩 的英文怎麼說
中文拼音 [gòngzhènjǔ]
共振矩
英文
resonance moment-
In this thesis, mainly by fmr, combined with moke and magnetic measurement, systematical studies have been made on the magnetic properties, especially magnetic anisotropy in epitaxial single crystalline fe ultathin films on gaas and inas substrates in polycrystalline thin films and in polycrystalline nife and nifeco patterned films of micron and submicron rectangular elements arrays
本論文以鐵磁共振為主要研究手段，輔助以磁性和磁光測量，對外延于gaas及inas上的不同厚度的單晶fe超薄膜、不同厚度的nife多晶薄膜和電子束光刻的多晶nife和nifeco單層利三明治結構的微米及亞微米矩形單元陣列圖形薄膜的磁性，特別是磁各向異性進行了較為系統的研究。Row winding, winding engine adopting ac servo engine with berger lahr three phase mixed stepping can solve the resonance, big noise, high speed and small torque for traditional row winding hy normal stepping engine
1 、排線、繞線電機採用具有支流伺服電機運行特性的百格拉三相混合式步進。徹底解決傳統排繞用普通步進電機有共振區、噪聲大、高速扭矩小的缺點。A new waveguide made of changing a wide wall of a rectangular waveguide to a uniform curved wall is called conformal waveguide. a kind of expression of approximate solution for domain mode of the new waveguide, including symmetric, unsymmetric arc, parabolic arch, hyperbolic arch, elliptic arch, etc., is constructed by using boundary condition of mental waveguide, variational method and boundary element method. by using the equivalence principle, an approximate calculating formula for equivalent resonant conductance of a narrow longitudinal halfwavelength slot cut in the curved wall of the unsymmetric arcrectangular waveguide is derived, and the result is shown. although this solution is approximate, it can solve the problem in designing the slotted antenna of such conformal waveguide
把矩形波導一個寬面外突成均勻曲面構成的新波導統稱為共形波導.利用金屬波導邊界條件、變分法、邊界元素法構造這種新波導中主模場的一種近似解表達式，包括曲面橫截線為對稱、非對稱圓弧，拋物線弧，雙曲線弧，橢圓弧等.然後根據等效原理，推導非對稱圓弧矩形波導曲面上窄的縱向半波長縫隙的等效諧振電導的近似計算公式，給出計算曲線.這種解雖然是近似的，但卻能解決這類共形波導縫隙天線的工程設計Application of nuclear quadrupole resonance technique in mine detection
核四極矩共振炸藥探測技術在探雷中的應用It is found that the fwm field can cause the asymmetry of electromagnetically induce transparency profile. in addition, the effect of different propagating orientations of probe field on the electromagnetically induced transparency is also discussed. in the molecular multi - level system with the perturbed superposition levels, we discuss the electromagnetically induced transparency, spontaneous emission enhancement, double dark resonance and double electromagnetically induced transparency by using the density matrix equation under weisskopf - winger approximation and dressed - state density matrix equation
針對實際的實驗條件，考慮了一種影響量子干涉的新的因素-四波混頻場，研究了四波混頻場對雙光子探測的-型能級體系的eit的影響，發現四波混頻場能夠導致雙光子探測的eit線型的不對稱，在此基礎上，討論了不同探測場的傳播方式對eit的影響，針對分子中實際存在的包含有微擾能級的不同多能級系統，我們分別採用綴飾態繪景下的密度矩陣方程和weisskopf - wigner近似下的密度矩陣方程詳細地討論了電磁感應透明、自發輻射的干涉相消和相長、雙暗態共振和雙電磁感應透明現象。Firstly, under the assumption that the output driving torque generated by the stepper motor of the mirror is constant, such influence analysis is conducted. secondly, a mathematic model of the stepper motor is given. under the assumtion that the input impulse frequence is constant, the rotational motion of the stepper motor of the mirror with the mutual exertions of damping torque, friction torque and disturbance torque generated by satellite platform ' s attitude motion is simulated and analyzed
對衛星平臺姿態振動對紅外相機掃描機構轉動的影響進行了系統深入的模擬分析:首先在步進電機驅動力矩一定條件下，模擬分析了星體姿態運動干擾力矩對紅外相機掃描鏡轉動的影響;接著建立了步進電機的數學模型，在步進電機輸入脈沖頻率一定條件下，模擬分析了步進電機在阻尼力矩、干摩擦力矩、平臺干擾力矩等負載轉矩的共同作用下的轉動情況。Nonlinear vibration of thin shallow conic shells under combined action of peripheral moment and transverse loads
扁薄錐殼在周邊彎矩和橫向載荷共同作用下的非線性振動Primary resonance of thin rectangular plate with material nonlinearity on winkler foundation
地基上材料非線性矩形薄板的主共振Three parts ( 6 chapters ) are included in this dissertation except the 1 st and 6th chapters. the first part ( the 2nd, 3rd and 4th chapters ) is the theory for analyzing and designing resonators with diffraction optical elements by use of a matrix eigenvalue method. the eigen modes and diffraction loss for a laser cavity have been obtained by this method
本論文主要包括三個部分共八章，除第一章緒論和第八章總結外，主要內容如下：第一部分（第二、三、四章）主要討論和分析了決定激光光束的輸出特性和光束參量的激光諧振腔，闡述和建立了矩陣本徵值方法分析和設計激光諧振腔的系統理論。What is more, a transfer - matrix method is applied to calculate the conductance of defective nanotubes. it is found that the conducting electrons are strongly reflected around the energy of virtual bound states
另一方面，我們用傳輸矩陣的方法計算電導，發現在準束縛態能級附近傳導電子被強烈反射形成反射共振峰。The most radical of the new approaches uses “ quadrupole resonance technology ”
最引人注目的新方法是使用「四極矩共振技術」 （注四） 。Matrix methods and coupled mode theory are applied to resonator structures such as distributed feedback lasers, tunable lasers and microring devices
矩陣方法與偶合模式理論被提供來做共振腔結構，如分散式回授雷射、可調雷射及微環型元件。Based on the general design of bent structure. aiming at multi - complexion bent structure, the essay calculates the dynamic period and domino effect of earthquake, 66 groups in all about shearing force ( q ) and crooked ( m ) of control section. the essay chooses appropriate regress parameter through repeating attempt, and makes use of origin regress analysis program protract dot chart of multi - structure, through multinomial regress analyse, finally works out the simplified formulas for single - stride bent with different stride shearing force ( q ) and crooked road ( m ) of control section
以排架結構常規設計為基礎，針對多種工況下的排架結構，計算了自振周期、地震作用及其效應，共有66組控制截面的剪力q和彎矩m 。然後經過反復嘗試選定合適的回歸參數，利用origin回歸分析程序繪出各類結構的散點圖，經過多項式回歸分析，得到單跨排架不同跨度時控制截面剪力和彎矩的簡化計算公式。In this paper, we also use the transfer matrix to simplify the rotation drive system, analyzed the system natural frequency to ensure the motion frequency far away the natural frequency to avoid the resonance, debased the noise of the equipment
用傳遞矩陣法簡化了成角和轉角驅動系統，並分析了該系統的固有頻率，確保系統運動的頻率遠離其本身的固有頻率，以免發生共振，降低整個系統的噪聲。分享友人