線性振幅 的英文怎麼說
中文拼音 [xiànxìngzhènfú]
線性振幅
英文
linearity amplitude- 線 : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 振 : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
- 幅 : Ⅰ名詞1. (布帛、呢絨等的寬度) width of cloth 2. (泛指寬度) width; size 3. (姓氏) a surname Ⅱ量詞(用於布帛、呢絨、圖畫等)
- 線性 : [數學] [物理學] linear; linearity線性代數 linear algebra; 線性方程 linear equation; 線性規劃 line...
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Abstract : considering the second nearest - neighbor interaction and cubic, quartic anharmonic interactions simultaneously, we employ the multiple scales method combined with a quasidiscreteness approximation to calculate the lattice vibration. it is shown that the kind of nonlinear chain exhibits envelope soliton, envelope kink and envelope antikink soliton. these results can also be used to explain the experimental phenomena that the kink amplitude of the self - localized structure is determined only by the intrinsic properties of its lattices
文摘:同時考慮次近鄰諧振相互作用和三次方、四次方非諧相互作用,利用多重尺度結合準離散近似方法去計算晶格振動行為,發現一維非線性點陣中存在包絡孤子及正扭結型包絡孤子、反扭結型包絡孤子,解釋了自局域結構的幅度只取決于點陣中的固有參數的實驗現象In this paper, the signal processing of sum and difference patterns of amplitude dual - plane monopulse radar and the effect of amplitude - plane non - consistency are analyzed from the coordinates relationship of four - horn antenna at length, and its corresponding simulation is verified, which bring convenience to engineering implementation
文中從四喇叭天線的位置坐標關系,詳細分析了雙平面振幅和差式單脈沖雷達信號處理過程以及三通道幅相不一致性的影響,並且進行了相應的模擬,為工程實現帶來了很大的便利。The imposition of a curved phase characteristic reduces the peak amplitude of the waveform.
曲線形相位特性減小了波形振幅峰值。(the termv1 )v1 is seen to be quadratic in an amplitude quantity, and we shall linearize by neglecting it.
項(v1)v1被看成是振幅的二次項,我們將忽略這一項而線性化。The term(浴) is seen to be quadratic in an amplitude quantity, and we shall linearize by neglecting it.
項()被看成是振幅的二次項,我們將忽略這一項而線性化。Iv ) revolute joint element, nonlinear spring - damper element, 3 - d 5 points contact element are applied to simulate the revolute restriction between two caterpillar boards, suspension nonlinear vibration, contact between wheels and caterpillar boards, and contact between caterpillar boards and ground are considered respectively. drucker - prager material is employed to simulate reinforced concrete
4 、應用大幅度轉動約束單元、非線性彈簧阻尼單元、三維五節點接觸單元分別模擬自行火炮履帶板之間的轉動約束連接、懸掛非線性振動及負重輪與履帶板之間的接觸和履帶板與地面的接觸問題;根據材料非線性理論,提出利用drucker ? prager材料建立土壤的非線性有限元模型。Secondly, nonlinear threshold of two - dimensional rt instability was analyzed in planar and cylindrical and spherical geometries. density amplitude was defined relating to instable interface and formulae of nonlinear threshold values for rt instability in three geometries were given, then the lared - s code was used to simulate two - dimensional rt instability in three geometries and simulation results agreed well with the formulae
其次,討論了二維平面、柱和球幾何中rt不穩定性發生非線性偏離的閾值問題,給出了三種幾何中密度擾動振幅的非線性閉值公式,並且用lared一s程序進行了檢驗,計算結果表明柱和球幾何中的模藕合機制與平面幾何不同,存在幾何效應的影響。( 3 ) we investigate the nonlinear dynamics of the rotor - ambs system in 1 / 3 and 1 / 2 subharmonic resonances. using the multiple method of scale, the averaged equations of the rotor - ambs system are obtained
( 3 )利用多尺度方法,研究了電磁軸承-轉子系統的1 3亞諧共振和1 2亞諧共振情況下的非線性動力學,得出了兩種共振情況下的頻幅響應方程。Around 40 ; the neutral curve obtained by the growth rates of the temperature fluctuation has a ringlike curve separated from the main branch of nachtsheim s calculation by velocity fluctuation at the lower grashof number side ; and its phase velocity is close to the maximum mean velocity where the critical layer of the eigenmode locates. the thermal fluctuation decays rapidly as the nondimensional frequency above 0. 4, so that it means that the coupling effect between instability wave generated by buoyancy fluctuation and velocity waves by invicid instability seems weak enough for their critical layers in the range of the nondimensional frequency
詳細研究了自然對流邊界層中最早失穩的浮力振型的功率譜波長波速與臨界層位置等基本特徵和它為主導其他振型尚未失穩時按線性理論得到的3種相互獨立振型的振幅分佈。系統地測量了它所對應的溫度和速度漲落的振幅增長規律和中性曲線,實驗結果表明,溫度漲落的中性曲線在低格拉斯霍夫grashof數Second part, using approximation method and implicit function theorem, we obtain the existence of large amplitude 2 - periodic bouncing for damped linear impact osillator with mutiple impacts in one period
在第二部分里,我們運用逼近框架與隱函數定理,對于帶小阻尼的線性碰撞振子,證明了在一周期內發生多次碰撞的大振幅2 -周期解的存在性。Abstract : in this paper, starting from the generalized huygens - fresnel diffraction integral and b - integral definition, and based on the statistical - optics method, the nonlinear propagation properties of laser beams with amplitude modulations and phase fluctuations have been studied in detail
文摘:廣義惠更斯-菲涅耳衍射積分和b積分定義出發,並利用統計光學方法,對有振幅調制和位相畸變光束的非線性傳輸特性作了詳細研究。Through calculation of a living example and its result analysis verified that while the vibration amplitude is comparatively small and the sine curve is being adopted, the theoretical contour of cam possesses rather good form closure property and is suitable to be applied for high - speed cam
通過實例計算和結果分析,表明該凸輪理論廓線採用正弦曲線,在振幅較小時,有較好的形封閉性,適合用於高速凸輪。A new kind of generalized energy is proposed as the lyapunov function, and thereby resulting in a new criterion of generalized nonlinear symmetric stability. it shows that not only must the dissipative coefficient be greater than a certain critical value but the initial disturbance amplitude must be synchronously smaller than another marginal value as well
從含摩擦耗散的f平面上boussinesq近似下的非線性方程組出發,提出了一種新的廣義能量作為lyapunov函數,導得了一種新的非線性對稱穩定性判據:即不僅耗散系數大於某一臨界值而且同時初始擾動振幅小於另一臨界值。The conclusions are as follows : the ultrasonic intensity is proportion to the laser intensity ; the ultrasonic induced by a laser line source has much more advantages than by a laser point source, such as stronger energy, higher snr, more directivity and shape ; the intensity of cfpi ' s output signal is linear with ultrasonic vibration velocity, and is effected by incidence angle and scattered angle ; snr will increase by reducing cfpi ' s bandwidth, reducing incidence angle, increasing cavity ' s length and reflectivity
在分析點光源激勵聲表面波機理的基礎上,求出了線光源激勵的超聲振動的位移表達式,發現線光源激勵的近場區表面波具有波形好,信噪比高,指向性好,幅度強等特點。通過理論推導,得出共焦fabry - perot干涉儀的輸出光強除了與樣品表面的振動速度成正比,並與入射角和散射角有關;適當減小cfpi的帶寬,增加腔長,增大鏡面反射率,或者減小檢測入射角都可以提高系統的信噪比。Based on the resolving algorithm of continuous - layer method, the time order analyzing curves, acceleration curves and the response spectra of transfer function at the different points of the ground and at the same point on the different ground conditions are gained. it demonstrates that the responses of ground in x, y and z axial directions all change by time, and the obvious wave propagation appears in ground. for different observing points on the same ground condition, at more distant points from the load line, the less swings are found, that is to say, vibration possesses the obvious characteristic of attenuation
基於分層法的解析演算法,得到了在不同點以及在同一點但不同地質條件下的時程分析曲線、加速度變化曲線和傳遞函數反應譜,結果表明,地基土在x 、 y 、 z三個方向的響應都是隨時間變化的,並且伴隨有明顯的波動現象產生;對于相同地質條件的不同觀察點,距離荷載作用線越遠的地方振幅越小,即振動具有明顯的衰減性。And an automatic gain control ( agc ) loop is introduced to keep the vibrating amplitude of dive tines invariable. it will effectively improve the linearity and robustness of the gyro. moreover, the configuration of the drive circuit is illustrated in detail
3 .設計了微陀螺諧振驅動控制系統,引入了自動增益控制環節,使驅動音叉振動幅值保持恆定,提高了微陀螺的測量線性度,增強了微陀螺的魯棒性,並且詳細介紹了驅動控制電路的實現方法。Adopt the rigid conjunction reinforce of both line, the biggest flap fad still exceed limit, especially that high plait and self - provided train, horizontal flap is still serious, by research and decided to do a preparative box reinforcing experiment on the big bridge of yellow river, and anticipate the result would be more obviously
採用雙線剛性連接加固,最大振幅仍有超限,特別是一些高編自備車,橫向振幅仍然較嚴重,經研究決定在京廣黃河大橋上進行準箱形梁加固試驗,預計效果會更加明顯。A detailed model of non - linear parametric excitation vibration coupling the stay cable and the girder, in which the static sag as well as the geometric non - linearity are considered, is proposed in this paper. based on several numeric examples investigated by the galerkin method composed with the integration strategy, several kinds of factors effecting stay cable parameter vibration are studied. another parameter vibration model by the axial excitation is presented and the corresponding nonlinear equations are derived
本文創新地提出了斜拉橋拉索-橋面耦合參數振動模型,推導了索-橋耦合非線性參數振動方程組,聯合galerkin法及數值積分方法,對各種特性的拉索進行了數值求解,得出了影響拉索參數振動的各種因素;提出了斜拉索受軸向端激勵參數振動模型,導出了模型的非線性振動方程,使用諧波平衡法得出了產生參數振動需要的最小激勵幅值、共振時瞬態及穩態的振動幅值及索拉力的變化特性,並用數值積分方法對實際斜拉橋拉索進行了計算,分析了拉索阻尼對參數振動的影響。For the single point suspending system, the double loops - pid control algorithm is given, the asymptotic stable range of the coupling system and vibration caused by the hopf bifurcation near the critical state and the nonlinearity of the system are researched first
針對一維單點問題,給出了雙環pid控制演算法,研究了單點懸浮控制系統的漸近穩定性、 hopf分岔點附近的振動特性和非線性振動的幅頻特性。Hydraulic exciting vibration is a kind of liner one. the vibration direction is arbitrarily adjustable and the exciting force not only has a large value but can vary adapting to the load
激波器可產生一種直線線性振動並且具有:激振力大,振動方向任意可調,振動頻率和振幅能夠實現單獨無級調整等優點。分享友人