free oscillation 中文意思是什麼
free oscillation
解釋
【物理學】自由振動。- free : adj （freer; freest）1 自由的，自主的；自立的。 a free action 自由行動。 free competition 自由競...
- oscillation : n. 1. 【物理學】振蕩，擺動，振動；振幅。2. 動搖，猶豫，仿徨。3. 蹣跚。4. 【無線電】發雜音。
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Secondly, this paper illustrated the nonlinear phase dynamic theory of the aia array and the application of it to power - combining and beam - scaning technique. according to these theories, the coupling parameter of nearest neighbors was found by experiment, then the two - element and three - element aia array were designed, and the result of measurement was in agree with that of the nonlinear phase dynamic theory, and the beam - scaning of two - element array was realized by tuning the free oscillation frequency of the elements
其次，本文討論了有源集成天線陣列的非線性相位動態理論以及它在功率合成和波束掃描方面的應用，包括同步工作條件、穩定條件和相位動態方程等，通過實驗確定了陣列中相鄰單元間耦合參數，並將之運用於有源集成天線二元陣和三元陣的設計，實驗結果與理論結果吻合較好。 -
Some conclusions are drawn : 1 ) effect of inertial force from superstructures on the lateral seismic response of single pile can not be ignored ; 2 ) the lateral seismic response of single pile induced by far - field earthquake are mainly affected by acceleration mass of superstructure > site eigenperiod. it increases with the increment of accele ration and mass of superstructure. as the site characteristic frequency approaches the self - oscillation frequency of the pile, sympathetic vibration occurs and the value of lateral seismic response reaches maximum ; 3 ) as the stiffness ratio of pile to soil increase, the relative displacement of pile to soil increases ; 4 ) the lateral seismic response of fixed - head pile is much smaller than that of free - head pile
將其解析解與具體的的抗震設防烈度和場地特徵周期結合起來，計算分析了成層地基中單樁的橫向地震響應，得到了以下結論： 1 ）上部結構慣性力對樁的橫向地震響應的影響不可忽略； 2 ）成層地基中的單樁的橫向地震響應主要受地震基本加速度、場地特徵周期、上部結構質量的影響，隨地震基本加速度、上部結構質量的增大而增大；場地特徵頻率越接近樁基自振頻率，樁基地震響應越大，等於自振頻率時，由於發生共振現象，樁基響應幅值最大； 3 ）樁土剛度比越大，樁土之間的相對位移的幅值越大； 4 ）樁頂固接的連接方式，可以有效地降低地震時單樁的橫向地震響應。 -
Free of conventional cooling towers and mechanical and electromagnetic noises, the equipment is built of static components. except for water sound during operation, it produces no noise and no co - oscillation effect - complies with noise control requirements
（ 2 ）無傳統冷卻塔機械及電磁低頻噪音，本塔由靜態組件構成，運轉除水聲外、無噪音、無共 -
Uniformly high - order accurate eno ( essentially non - oscillatory ) schemes succeed in computing highly accurate numerical solutions to hyperbolic systems of conservation laws, typically second or three order in smooth regions, while maintaining sharp, oscillation free, numerical profiles at discontinuities, but usually their computational cost is quite large
而一致高階基本無振蕩格式可以成功計算出雙曲型守恆律的高精度數值解，在保持其間斷處陡峭、無振蕩的數值輪廓的同時，並在光滑區域通常達到二階或三階精度，但其計算量卻相當的大。
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