
振蕩幅度
In our self-Oscillation drive system, the stable error of the oscillation amplitude is eliminated by the PI controller.
在該閉環驅動系統中,通過引入PI控制器消除了振動幅度控制的穩态誤差。
The average effective pitch damping increases with increasing angle of oscillation amplitude and decreases with increasing Mach number.
角振幅增大會使返回艙的平均俯仰阻尼增加,馬赫數增大使俯仰阻尼降低。
It is shown that we can find light field state with larger average fidelity and smaller oscillation amplitude by selecting the appropriate parameters.
結果表明,選擇合適的參量,我們可以找到保真度平均值較大,振蕩幅度較小的光場态。
The piston rod vibration frequency has little effect on the cavity pressure oscillation amplitude.
活塞杆的振動頻率對模腔壓力的波動幅值影響較小。
While impulse forces not acting on the centroid, the influence of accessional attack angle oscillation amplitude, impulse force scale and function time interval on range correction was discussed.
針對非質心作用推力的情況,讨論了附加攻角振蕩幅度、脈沖推力大小、作用時間間隔等因素對于修正距離的影響。
Optical scanning device, printing apparatus, and method for adjusting oscillation amplitude of an oscillating mirror.
光學掃描裝置,打印設備,調整振動反射鏡的振幅的方法。
In tries to move in the process, the oscillation amplitude and the electric current besides change along with the voltage undulation should be stable invariable.
在試運行過程中,振幅和電流除隨電壓波動而變化外應該是穩定不變的。
A higher fluid viscosity leads to lower oscillation frequency of the liquid bridge radius, oscillation amplitude, and continued time of oscillation.
液滴的粘度越大,液橋半徑的振蕩頻率越小,振幅越小,振蕩時間越短;
The numerical results show that the appropriate blowing will reduce the oscillation amplitude, without significant influence to the lift coefficient.
計算結果表明在翼型背部引入適當射流會降低振動,并且基本上不影響翼型的升力系數。
The oscillation period and the oscillation amplitude relate to CO concentration, heating power PF and so on.
在相同的參數下,振蕩周期與鐵磁-非磁層的對數有關。
The variation of oscillation amplitude transition probability while the phase change is manifested as the level shift of atom.
振幅的變化描述躍遷幾率,相位的變化體現為原子的能級移動。本文用分析相位的變化來計算能級移動。
Meanwhile, the oscillation amplitude is mainly determined by the mean Mach number.
平均馬赫數對旋渦脫落頻率的影響不大,對壓力振幅的影響顯著。
The effects of the oscillation amplitude of the spoiler over the vortex is also discussed.
文中還對的流片振幅大小的影響進行了讨論。
The results show that the phase decoherence reduced the oscillation amplitude of the population inversion of two atoms and destroyed the atomic quantum characteristic.
結果表明:相位退相幹減少了原子布居數反轉的振幅、破壞了原子的量子特性。
From compaction temperature, compaction speed and times, oscillation frequency, amplitude as well as mixture performance etc, the paper expounds enhancing the compaction quality of asphalt pavement.
就提高瀝青路面壓實質量問題,從碾壓溫度、壓實速度與遍數、振頻與振幅及混合料特性幾個方面進行了闡述。
Electronics an oscillation of small amplitude imposed on top of a steady value.
施加在一穩定值上的小振幅振動。
Based on the homogeneous model, the numerical computation for the oscillation period and amplitude of pressure drop type instability was conducted.
根據兩相流的均相模型,對壓力降型脈動的周期和振幅進行了數值計算。
If the system is far away from the stable boundary, a varying amplitude oscillation will be produced due to density oscillation coupling to compressible oscillation.
遠離穩定邊界時,密度波振蕩耦合可壓縮性密度波振蕩,呈變幅的有限振蕩。
Analytical approximate periods and periodic solutions to large amplitude oscillation of a ****** pendulum are constructed using a new method.
構造了單擺大振幅振動的高精度解析逼近周期和周期解。
The results show that the possibility of surface cracks formation increases with oscillation frequency and amplitude, and the influence of oscillation frequency is stronger than that of amplitude.
研究結果表明:提高振頻和振幅均增大鑄坯表面裂紋形成的可能,振頻影響強于振幅;
Both are based upon the same principle but differ in respect of dimensions, period and amplitude of oscillation.
兩者都是基于同樣的原則,但是尺寸,時間和振幅不同。
It is shown the nonlinear aerodynamic model given by the article can accurately calculate aerodynamic responses of aircraft models in large amplitude forced oscillation tests at high angles of attack.
實際計算結果表明該非線性氣動力模型能夠較為精确地計算飛機模型大幅值迎角簡諧振動産生的氣動力響應。
The large amplitude power oscillation is harmful to reactor safety and is not allowed.
這種現象對反應堆的安全十分不利,是不能允許的。
The equation shows that the magnetic induction intensity is a sinusoidal oscillation signal and its amplitude is a damped exponential law.
公式表明,電磁成形時磁感應強度正弦震蕩,幅值呈指數規律衰減。
The surface cracks formation can be restrained by decreasing oscillation frequency and increasing amplitude and nonsinusoidal oscillation factor properly.
適當降低振頻,增大振幅和非正弦振動因子可抑制表面裂紋形成。
However, if we properly select the eccentric value of the belt pulley's geometric centre, the belt pulley's amplitude of oscillation will be reduced, thus operating conditions of the belt …
如果恰當地選擇膠帶輪幾何中心的偏心值,膠帶輪的擺動幅度将減小,因此,膠帶的工作情況仍将得到改善。
Oscillation(振蕩)
指物體或系統在平衡位置附近進行的周期性往複運動,常見于物理學、工程學等領域。例如,鐘擺擺動、彈簧振動或電路中的電流周期性變化均屬于振蕩現象。其核心特征是運動參數(如位移、電流)隨時間呈規律性變化,數學上通常用正弦函數描述。
參考來源:中國物理學會《基礎物理學名詞解釋》(https://www.cps-net.org.cn/glossary)
Amplitude(振幅)
描述振蕩過程中物理量偏離平衡位置的最大值,是衡量振動強度的關鍵參數。例如,聲波振幅決定聲音響度,機械振動振幅反映能量大小。在電磁學中,振幅也用于表示交變電壓或電流的峰值。
參考來源:IEEE标準術語庫(https://www.ieee.org/terms)
兩者均為振動分析的核心概念,振幅大小直接影響系統能量,而振蕩頻率決定周期性特征。工程應用中需綜合考慮兩者以實現設備穩定性,如機械減震設計或通信信號調制。
參考來源:清華大學《工程振動學》教材(https://lib.tsinghua.edu.cn)
“Oscillation amplitude”(振蕩振幅)是物理學中描述振動或周期性運動的重要參數,具體解釋如下:
如需進一步了解具體公式或應用場景,可參考物理學教材或專業文獻。
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