oscillation characteristic 中文意思是什麼

oscillation characteristic 解釋
振蕩特性
  • 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。
  • characteristic : adj 有特性的；表示…特性的，…特有的。 Japan s characteristic art 日本特有的藝術。n 特性，特徵，性...
  1. Magnetoelectricity gear method is a general torsional oscillation measurement method. it has disadvantages on less measure point and improved - needed dynamic characteristic. in the paper a new method of measuring torsional oscillation of the turbine - generator shaft was proposed on the basis of high speed ccd ( charge coupled device ) photography

    現行的扭振測量方法以磁電式齒輪測量法為主，這種方法存在測點少，動態特性有待提高的缺點，就此本文提出了一種基於高速ccd （ chargecoupleddevice ）攝像技術的汽輪發電機組軸系扭振測量的新方法。
  2. 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。
  3. The paper has researched the principle of bubble oscillation, analysed the reason of producing bubble oscillation, especially showed the main essential characteristic and influence factor of bubble oscillation by way of simplifying bubble expanding equation. this offered theoretic basis for studying bubble oscillation influence on bubble growth and strictly controlling foam plastic forming

    本文研究在氣泡膨脹階段，氣泡振動的機理，分析振動產生的原因，特別通過對氣泡膨脹方程的簡化，揭示氣泡振動的主要本質和影響因素，為研究氣泡振動對氣泡膨脹過程的影響，嚴格控制泡沫塑料成型加工提供理論依據。
  4. It can make the analysis report on the basis of the abstract nation standard. based practical analog analysis in some partial power net, obtain the harmonic oscillation characteristic curve, and verify the software is right

    通過對某局域電網的實例模擬分析，結果表明，獲得了諧波諧振特性曲線，還根據實際測試數據，恢復了電網實際電壓電流波形，驗證了軟體的正確性。
  5. But, the measured - data is a very great quantity and every data contain all data of 1 - 25 harmonic, measured time can have hours to days. the count by hand is very heavy and over - elaborate, sometimes the statistics results is error. it won " t reach the analysis purpose and don " t obtain the curve of harmonic oscillation characteristic in a row frequency range

    可是，測試數據經常是大量的，每一組數據又包含從基波到25次諧波的所有數據，測試時間可能是幾個小時，有的甚至是幾天時間，這樣的工作量由人工完成是非常繁重的，又是非常繁瑣的，有時還統計不出正確的數值，起不到應有的測試分析目的，更無法獲得連續頻域內的諧波諧振特性曲線。
  6. This paper makes a science analysis to power system " s harmonics and harmonic oscillation in partial power net, develop the analysis software of harmonic oscillation characteristic. make use of this software can obtain the harmonic oscillation characteristic curve in a row frequency range, can discover accurately oscillation, can make an in - depth analysis and statistics and renew the realistic curve of voltage or current on the basis of the measured - data

    本文通過對電力系統諧波及局域電網諧波諧振現象的理論分析，設計、開發了局域電網諧波諧振特性分析軟體，利用該軟體可以獲取連續頻域內的諧波諧振特性曲線，發現準諧振區域，而且還能根據實際測試數據，正確統計分析出所要求的參數，同時能夠恢復電網實際的電壓、電流波形，並能根據國家標準自動生成分析報告。
  7. Usually, hpm devices working in the high current and large field amplitude state, after the field reaches saturation, the nonlinear effects will become extremely strong so that the intrinsic nonlinear phenomena ( for example limit cycle oscillation and chaotic behavior ) of the system occur. these nonlinear behaviors directly influence the output characteristic of the devices

    在通常情況下，高功率微波源器件都工作在大電流和強場工作狀態，尤其在場達到飽和以後，系統的非線性效應將變得非常明顯，非線性系統所特有的一些現象（如，極限環型振蕩和混沌行為）將出現，這些非線性現象直接影響器件的各種輸出特性。
  8. In the section of experiment, we focused on the research of optical system of optical parameter oscillation, computer controlling data sampling closed - circuit system and technology of computer controlling feed - back. in the section of optics, we used present condition to do the experiments about optical parameter effect and got a series of characteristic curve on power transition efficiency and output power

    本文的實驗部分主要側重於智能化光參量系統的光學部分、計算機控制數據採集閉環系統以及計算機控制反饋技術的研究。在光學部分，本論文利用現有實驗條件進行了參量振蕩器頻率調諧的研究，得到了調諧曲線，並做了輸出參量光的能量轉換效率以及輸出功率的實驗，得到一系列特性曲線。
  9. Firstly, the airfoil ' s classic flutter ( at small attack angle ), stall flutter ( near the static stall angle ) and response ( at large attack angle ) are analyzed. it is found from the numerical results that " lock - in " will occur at certain freestream velocity range near the static stall angle, where the frequency of the vortex will be equal to the natural frequency and the flutter has the characteristic of self - induced oscillation. when the attack angle is far from the static stall angle, the vortex will have its own frequency, which differs from the natural frequency, and the flutter has the characteristic of forced oscillation

    首先研究了二維翼型的古典顫振（小攻角） 、失速顫振（失速攻角）和動力響應問題（大攻角） ，得到以下結論：在靜態失速攻角附近的一定來流速度范圍內，分離渦會發生頻率鎖定現象，分離流的頻率與固有頻率趨于相同，這時的振動呈現自激振動的特點；遠離失速攻角時分離流頻率則擺脫固有頻率的影響，此時的振動具有強迫振動的特點。
  10. Numerical calculation is applied to discuss the characteristic of bistable state of a revolving single pendulum, and the oscillation of revolving single pendulum in the large angle surround the steady equilibrium point is studied when single pendulum revolves with the angular velocity

    摘要利用數值計算的方法分析了旋轉單擺以一定角速度旋轉時的雙穩態特徵及其圍繞穩定平衡位置的大角度振動。
  11. The paper analyzes the main reason of causing system oscillation when it is adjusted by original pid control method, and proposes control strategy of combining basic value of rotation rate with adjustment value to control pump rotation speed according to non - linear characteristic of the system and control request

    本文分析了原pid控制方案導致系統劇烈振蕩的主要原因，並且針對系統的非線性特點和系統控制要求，提出了將控制量基值與調節值相結合實現對輸油泵系統控制的控制策略。
  12. Transmission characteristic of low frequency hydrodynamic oscillation in oil layers

    低頻水力振動在油層中的傳播特性
  13. Experimental research of the transmission characteristic of low frequency hydrodynamic oscillation in cores

    低頻水力振動在巖心中的傳播特性實驗
  14. In the section of theory, we mainly studied optical parameter effect, discussed physical mechanism of optical parameter laser and normalized coupled wave equation and got the solution. we also carried out the analysis of gain mode of optical parameter oscillation, studied the threshold condition, analyzed output characteristics and then achieved characteristic curve

    本文理論部分主要作了有關光參量效應方面的研究，探討了光參量振蕩器的物理機制、參量振蕩的歸一化耦合波方程，求解得到了參量振蕩器的耦合波函數，同時對光參量振蕩的增益模式進行了分析，研究了使參量振蕩的閾值條件，並對光參量振蕩器的輸出特性進行了分析，得到了特性曲線。
  15. In addition the h. kantz method is applied to analyze the time series of the motor current, the maximal lyapunov exponent calculation is realized, the criterion for the motor chaos is brought forward, the existence of chaotic phenomenon in the induction motor is verified by the characteristic exponents, which proves theoretically that the chaotic movement is one of the reasons that results in the low frequency oscillation of the induction motor system

    應用h . kantz方法對電機電流信號的時間序列分析，實現了最大李亞普諾夫指數的具體演算法，提出了電機出現混沌運動的判定根據，通過特徵指數驗證了異步電動機現象的存在，從理論上說明混沌運動是異步電動機系統產生低頻振蕩的原因之一。第三部分深入研究了系統低頻振蕩的主要影響因素。
  16. Oscillation characteristic family

    振蕩特性曲線族
  17. By means of eigen - analysis, this paper presented the careful research for the damping characteristic of low frequency oscillation in power system

    本文基於特徵值分析法，對電力系統低頻振蕩的阻尼特性問題進行了深入的研究。
  18. Since the concept of superlattice was proposed, vertical transport in superlattice has been investigated widely. the electric field domains and current self - oscillations which result from sequential resonant tunneling between different subbands of the superlattice are very significant phenomena. such kind of oscillation can be uesd to make tunable microwave oscillaors. in this thesis, low temperature transport problem, especially the formation of field domain and the condition of current self - oscillations in doped gaas / alas superlattice with weak coupling are investigated thoroughly and also by combining the macroscopic model with the microscopic one., the voltage - current characteristic and the current oscillation are simulated. the calculated result is nearly consistent with the experimental data

    由超晶格中子能級之間的順序多阱共振隧穿引起的電場疇及電流自維持振蕩現象是其中的一個非常有意義的分支，該現象可用來製作電壓調諧微波振蕩器。本論文對弱耦合摻雜gaaa alas超晶格中的縱向輸運特別是針對低溫下的場疇的形成和固定偏壓下電流自維持振蕩產生的條件進行了深入的探討，並結合宏觀模型和微觀模型對超晶格在時變電壓作用下的電壓-電流特性以及固定偏壓作用下的電流特性進行了模擬計算。
  19. Atoms of the film by dc reactive magnetron with pt sputtered tend to plane ordinal structure. molecules of the the film by sol - gel with pt sputtered tend to be surface center structure as wo6. as results of ft - ir, the characteristic oscillation of the tungsten oxide sol - gel film with pdcl2 catalyst is more distinct with the higher temperature at the wave band

    這兩種方法結合制備的三氧化鎢摻雜薄膜中溶膠摻鉑樣品綜合了溶膠凝膠法與直流磁控濺射法的優點，其薄膜疏鬆多孔，充分快速響應了鉑催化劑離化的氫，具有良好的氫敏性能，是制備氫氣傳感器薄膜的首選方法。
  20. The subdividing drive is a kind of driving technology that can effectively improve the step precision and characteristic of low frequency. it is mostly used when the equipments require high precision, low noise and low oscillation

    廣泛應用於對工況要求較高的場合，尤其在一些要求高精度、低噪音、低振動的數控應用中，細分驅動成為步進電機驅動的首選驅動技術。
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