振動角動量 的英文怎麼說

中文拼音 [zhèndòngjiǎodòngliáng]
振動角動量 英文
vibrational angular momentum
  • : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
  • : 角Ⅰ名詞1 (牛、羊、 鹿等頭上長出的堅硬的東西) horn 2 (古時軍中吹的樂器) bugle; horn 3 (形狀像...
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • 振動 : vibrate; vibration; vibrance; vibrancy; vibra; vibes; shaking; rumble; jitter; chatter; sway; jar...
  1. This article takes the lagrange equation as the principle, establishes mathematics modeling to the inertia brake vibration when it brakes, then simulates it with matlab. this paper educed the relation equations between, which are the inertia brake ' s friction coefficient of the brake ring and the friction disk, the mean radius, the braking force, rotation inertia of the driving top and the spline shaft, spiral climbing angle of the brake ' s concave - convex helicoid, the mean effort radius of the concave - convex helicoid, elasticity coefficient of the spring, quality of the driving top and the spline shaft, rotations inertia of the brake ' s rotation part besides the driving top and the spline shaft, suppresses sleeve. provides the theory basis for the inertia brake structure optimization

    本文以拉格朗日方程為理論基礎,對慣性制器在制時的進行數學建模,然後用matlab對其進行模擬,得出了慣性制器在制頻率分別與制環和摩擦片之間的摩擦系數、制力的平均半徑、主頂和花鍵軸的轉、慣性制器的凹凸螺旋面的螺旋升、凹凸螺旋面平均作用力的半徑、彈簧的彈性系數、主頂和花鍵軸的質、慣性制器除主頂和花鍵軸外其他部分的轉和、頂壓套的質等慣性制器各零部件的物理參數之間的關系,為慣性制器的結構優化提供了理論依據。
  2. While the spin angular momentum describes the intrinsic photon spin and corresponds to the optical polarization of light, the orbital angular momentum is associated with the transverse phase front of a light beam

    自旋描述了光的內稟自旋性以及相應的光的偏,而軌道是和光束的橫向相前相聯系的。
  3. Based on extensive investigation of construction technique history of chinese ancient buildings, the structure method, structure developing history and seismic behavior of chinese ancient timber structure buildings are analyzed in several respects of the structural system and form. through a series of experiments on constituent parts of chinese ancient timber building structure, including the tests on the corbels and brackets called dougong subjected to low cyclic reversed loadings, the tests on the wooden frame using the tenon - mortise joints as connections of column and beam subjected to low cyclic reversed loadings, the tests on vibration isolation effect of friction and slippage between column footing and their socle base, and a series of shaking table tests on a chinese ancient timber structure palace building mode under artificial earthquake at serving conditions, destroyed conditions and reinforced conditions, many valuable results of structures such as moment - curvature hysteretic loops of dougong structure and tenon - mortise joints under low cyckc reversed loadings, the static function, the seismic performance, energy dissipation, vibration reduction, energy - loss mechanism, nechanicalmode and failure mode were studied. aplenty of valuable parameters of the structure system were obtained, such as the natural period of structure, vibration modes, damping ratio, factor of vibration isolation, oscillate amplitude of ineitial accebration, velocity and displacement, magnitude of slippage, and the mechanism of structure failure and collapse etc. based on these research, the complete analysis of ancient timber structure under earthquake were carried out in which including mechanism analysis method, calculating mode, strength analysis of members and joints, strengthening methods for serving damaged ancient timber structure buildings were also taken into account

    依照宋代《營造法式》建造了抬梁式殿堂木結構構件及結構模型,對中國古代木結構中的典型構造如:柱腳在礎石頂面平擱簡支、柱架榫卯連接、柱高不越間之廣、側腳、生起、斗拱等的構造機理及結構功能進行了化分析和實驗研究: (一)通過木柱石礎靜摩擦試驗,測定了柱腳與石礎古鏡面間的摩擦系數及摩擦力隨上部結構荷載變化的規律; (二)通過單柱承載力試驗,測定了古建築中木柱的受力變形特徵、破壞模式、及模型材料的變形模、極限承載力、極限變形等參; (三)通過柱架低周反復荷載試驗,測定了柱架的抗側移剛度、柱架恢復力特性及滯回曲線、榫卯張剛度及其變化規律、柱架及榫卯的極限承載力和極限變形、及榫卯減參數; (四)通過斗?低周反復荷載試驗和受壓試驗,測定了古建築木構件與木構件間摩擦系數,斗?抗側移剛度,斗?恢復力特性及滯回曲線,斗?抗壓極限承載力及受力變形規律; (五)通過抬梁式殿堂間架模型臺試驗,測定了殿堂木構架結構自周期,地震反應形、阻尼特性及阻尼比;按結構分層特點對柱腳、柱頭和斗?層上的屋蓋的地震反應採用多點同步測,對柱根滑移、榫卯變形、斗?的變形、復位、耗能減參數等進行了定分析。
  4. By the result of these experiments, acoustic emission ( ae ) was chosen to use in the research. at the same time, we analyse the phenomenon of acoustic emission at the base of theory, the characteristic signal of acoustic emission which comes from the faulty bearing at the angle of application, and the expression of the characteristic signal. contrast was also made on the data achieved separately from vibrational signal and ae signal, and it is proved that ae is feasible and available to the diagnosis to the fault of the rolling bearing

    主要工作有如下幾方面:對本段前期實驗室階段採用的法幅值域無綱處理進行了分析,並研製了現場所使用的滾軸承故障檢測裝置,將無綱參數診斷法應用於段修現場,且做了大試驗;對于現場試驗中所出現的問題進行了分析,提出將聲發射的方法用於軸承的在線故障診斷;從理論上分析了聲發射現象,從應用的度分析故障軸承的聲發射信號的特徵以及聲發射信號特徵的表示方法,並在實驗室中,採用法和聲發射法實時檢測的實驗數據進行了對比和分析,證明了使用聲發射法對軸承故障檢測的可行性和有效性。
  5. According to the theory of light transmission, we derived the expression of rotation angle as a function of the dielectric constant conductivity of er fluid, and ( the angle between the electric vector of linearly polarized light and electric field ) from maxwell ' s equations and fresnel reflection, on the condition of several appropriate approximations and assumptions

    進而導出了非均相結構電流變液在外電場與光場交互作用下旋光與(入射線偏方向與外加電場方向間夾)及參數(為外加電場e 、分散顆粒介電常數、體積分數、絕緣油介電常數、位置矢( ? )等的函數)的西北工業大學應用物理系碩士學位論文摘要理論表達式。
  6. The result of the experiment shows that the proposed forced vibration method device has the quality of stability and repetitiveness of the data, the wide range of the testable reduced velocity, the exactness of coupled and direct flutter derivatives. and it does not need to employ any complicated identification system to check it further

    結果顯示:本文提出的強迫法裝置具有試驗數據穩定、數據重復性好、可測的折減風速范圍寬、交叉項導數與對項導數具有同等精度和不需要復雜的系統識別過程等一系列優點。
  7. An automated de - noising algorithm based on the energy of wavelet packet not donoho ' s threshold algorithm is established. a gear feature vibration signal extraction method using the wavelet packet energy is proposed, which can separate gear meshing vibration, noise vibration and gear fault vibration signal from the original gearbox case vibration signal. basis pursuit ( bp ) algorithm is introduced into the filed of mechanical signal de - noising and feature extraction for the first time

    第三章擺脫了donoho的閾值消噪思想,從能度建立了基於小波包的自消噪演算法;提出基於小波包能分佈的齒輪故障特徵信號提取方法,可以將齒輪嚙合信號、干擾信號以及故障沖擊信號從原始齒輪信號中分離出來;首次將基追蹤消噪演算法引入到機械故障信號的消噪與特徵提取上,通過對齒輪故障信號的消噪,表明了它的有效性,並對影響該方法實際應用效果的因素進行了全面的分析,同時也指出了該方法存在的局限性。
  8. On the basis of practically achieved low - frequency laser - vibration measuring - system, this thesis analyses the principle of laser - vibration measuring - system, the optical factors which have effect on contrast degree of interference fringe, the optical - electric transformation factors which have effect on measuring accuracy, the important of filter for improving the accuracy in the absolute calibration and the outward vibration which has effect on system accuracy, etc. in chapter one, the background of laser measuring vibration, and then followed by its current status, is introduced and analyzed

    本論文根據實際研製的激光測儀系統,從提高激光測儀精度的度出發介紹了激光測儀的原理,並詳細地剖析了光路對測儀干涉條紋對比度的影響、光電轉換對測精度的影響、光電信號的濾波放大以及外界對測儀系統的影響等技術問題。
  9. Bearings roller bearings and other components. bearing ring precision rolling production line ; a high - precision, super efficient grinding automatic production line ; bearing assembly line ; signal processing equipment ; blank processing equipment ; crowning roller grinder ; end - grinder ; coordinate precision grinder ;, cylindrical grinder ; surface grinder ; spherical roller processing equipment ; raceway grinder ; heat treatment ; needle processing equipment ; polishing processing equipment ; roller - seiki ; rolling auto - sorting machine parts bearing hardness sorting machine bearing cleaning equipment ; contact angle measuring instrument ; contour meter ; bearing life experimental device ; bearing packaging equipment ; roundness instrument ; dynamic vibration noise analyzer ; noise vibration test equipment ; printing machine measuring instrument ; roughness tester ; scanning electron microscope ; finish detector ; inverter ; spindle, wheel, whetstone and other grinding materials

    軸承套圈精密輾擴生產線高精高效磨超自生產線軸承自裝配線球加工設備毛坯加工設備凸度滾子磨床雙端面磨床高精度坐標磨床內外圓磨床平面磨床球面滾子加工設備溝道磨床熱處理生產滾針加工設備光飾加工設備滾道超精機滾體自分選機軸承零件硬度選別機軸承清洗設備接觸測儀輪廓測儀軸承壽命實驗裝置軸承包裝設備圓度儀噪音態分析儀噪音測試裝置印字機加工測儀粗糙度測試儀掃描電子顯微鏡光潔度檢測儀變頻器電主軸砂輪油石和其他研磨材料
  10. Quartz tuning fork gyroscope is a new kind of micro - mechanical vibratory angular rate sensor. as it has so many advantages such as low cost, small size, high reliability, long life and the ability to survive in harsh environment, its applications in both military and civil field are expanding. moreover the development of multiplex inertia measuring units ( mimu ), which use micro - mechanical gyros as hardcore, is thriving and prosperous

    石英音叉微機械陀螺是一種新型的微機械速度傳感器,由於其具有成本低、尺寸小、可靠性高、壽命長,又能在惡劣環境中工作的獨特優點,逐漸在軍事運用和商業應用方面顯示了廣闊的前景,以微陀螺為核心部件的微慣性測組合( mimu )的發展也日益蓬勃。
  11. We presents a detailed studied of the linewidth of parametric light in clbo - opo caused by the linewidth of pumping beam, off axis phase matching, divergence angle of pumping, time above threshold, high gain coefficient of nlo crystal, fluctuate of cavitylength, spontaneous radiation, according to the momentum and energy conversion laws, and the sellmeier equations of the clbo, we calculated curves of the type - i and type - ii compared with the bbo ' s

    根據能守恆關系和clbo的色散方程,詳細分析了由於泵浦光的線寬、泵浦光偏軸泵浦、泵浦光的發散、泵浦光功率超過參蕩閾值一定倍數、高增益系數、有效腔長波以及自發輻射引起的參光線寬,並得到了與bbo晶體在類、類相位匹配下比較的理論曲線。
  12. A quartz tuning fork gyro uses a double - ended tuning fork to sense the angle rate. it is widely applied in low precision inertia measure field, because of its tiny bulk, low power consumption and high reliability

    音叉式石英微陀螺是一種以雙端音叉作為速度敏感元件的式微機械陀螺,它具有體積小、功耗低、可靠性高等優點,在低精度慣性測領域中有廣泛的應用。
  13. Real - time measurement of the object angular vibration by laser speckles

    目標的散斑法實時測
  14. The vortex - vibration was measured when the towed velocity, dip angle between the circular cylider and flow velocity, and diameter were varied

    對不同拖曳速度、拖纜傾,即拖纜與來流速度之間的夾和不同直徑的拖纜渦激進行了測分析。
  15. In order not only in theoretics but also in practice to completely resolve the power diagnosis of each cylinder of i. c. engine according to the angular vibration curve of crankshaft, the pc instruments - crankshaft angular vibration measurement and analysis system ( tvm system ) and the electrical calibrator ( tvci system ), in which the soft and hardware resources of computer are sufficiently utilized, are developed by author

    為不但在理論而且在實踐上全面解決利用信號診斷內燃機各缸作功狀況的問題,作者開發並研製了一套充分利用計算機的軟硬體資源的pc儀器? ?曲軸分析系統( tvm系統)和電標定器( tvci系統) 。
  16. Vibration of tank gun in the process of firing is one of the main factors that affect its firing accuracy, especially the instantaneous angular motion and the instantaneous linear velocity at the point of gun muzzle when the projectile leaves the barrel bore

    影響坦克炮射擊精度的主要因素之一是火炮,起關鍵作用的是在彈丸出炮口瞬間炮口位移和橫向線速度。
  17. A open - close mathematic model is introduced into calculation of torsional vibration. results show : kurtosisness and high harmonic will increase when crankshaft have crack. 5. cylinder score is also diagnosed by torsional vibration in this paper, when cylinder score occurring, the friction of piston will decrease the action of air pressure

    本文借鑒了裂紋轉子剛度的開閉模型,首次對含有變剛度單元的柴油機力裝置進行了扭計算,結果表明柴油機曲軸有裂紋后,扭位移和附加力矩的高諧次分會增加,峭度值增加。
  18. The phase structure of different cu - fe thin films were studied by using grazing incidence x - ray analysis ( gixa ). the texture and residual stress of different cu - fe thin films were measured by scan of x - ray diffraction ( xrd ) and 2 scan with different. the thicknesses of different thin films were characterized by means of small angle x - ray scattering ( saxs ) technique. by using atomic force microscope ( afm ) measured surface roughness of thin films. the component of different thin film was characterized by energy disperse spectrum ( eds ) and x - ray fluorescence ( xrf ). the magnetic properties of cu - fe thin films were measured by means of vibrating sample magnetometer ( vsm ). in addition, the giant magnetoresistance ( gmr ) effects of different films were also measured. the original resistance of the film fabricated by a direction - current magnetron sputtering system is directly affected by bias voltage

    利用掠入射x射線分析( gixa )技術對不同cu - fe薄膜的相結構進行了研究;利用xrd掃描及不同度的2掃描對薄膜進行了結晶織構及殘余應力分析;運用小x射線散射( saxs )技術測了薄膜的厚度;採用原子力顯微鏡( afm )觀察了薄膜的表面形貌;運用能損失譜( eds )及x射線熒光光譜( xrf )對薄膜進行了成分標定;使用樣品磁強計測了不同cu - fe過飽和固溶體薄膜的磁性能;最後利用自製的磁阻性能測試設備測了真空磁場熱處理前後不同薄膜的巨磁阻值。
  19. The orientation state of the molecule can be described by angular momentum eigenstate of the molecule rotating around its long axis ; the state of the molecule center - of - mass can be described by energy eigenstate of the particle in the harmonic well potential

    )和分子質心位矢( ? ) 。分子取向態可用分子繞長軸自轉本徵態描述;分子質心態可用質點在諧子勢阱中的能本徵態來描述。
  20. Moreover the study of the dynamically response of the blade vibration behavior depending on mass, stiffness and aerodynamics is made

    又從質、剛度、氣力的度出發,研究該風力機葉片態響應。
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