fundamental harmonic 中文意思是什麼

fundamental harmonic 解釋
基波
  • fundamental : adj 1 基礎的，基本的，根本的，重要的；原始的，主要的。2 【物理學】基頻的，基諧波的；【音樂】基音...
  • harmonic : n 1 【音樂】泛音；和聲。2 〈 pl 〉【數學】諧函數，調和函數。3 【物理學】諧波，諧音。adj 1 和睦的...
  1. Investigating the relationship between the resistive component of the fundamental frequency current and that of the 3rd harmonic current by experimentation with real movs

    通過試驗研究了moa泄漏電流中基波阻性電流和三次諧波阻性電流之間的關系。
  2. Two fundamental approaches, differential optical absorption spectra ( doas ) and wavelength modulation harmonic measurement, for gas light absorption detection are discussed

    分析了波長調制諧波檢測技術和差分吸收檢測技術兩種弱信號檢測方法。
  3. The magnetic field requirement of the sth harmonic gyroklystrons over cyclotron resonance masers ( crms ) would be reduced by a factor of s relative to operate on the fundamental cyclotron frequency, so that the amplifier could be applied to highly mobile millimeter wave radar systems

    基於電子迴旋諧振脈塞原理工作的諧波迴旋速調放大器的工作磁場強度是基波的1 / s （ s是諧波數） ，因而能適用於機動性較高的軍用毫米波雷達系統。
  4. The stability output second harmonic generation ( shg ) experiment results of single - longitudinal mode and multi - longitudinal mode with long cavity were explained reasonably with these rate equations. the high polarization of fundamental wave in the isotropic laser media nd : yag with type - i critical phase - matching lbo was studied with the rate equations including polarization of fundamental light. using the polarization function of lbo, a quartz full - wave plate was introduced into the cavity, a kind of birefringent filter by considering the combination of the polarization function of the type - i critical phase - matching doubling frequency crystal lbo and the quartz whole - wave plate was constructed

    將腔內多縱模倍頻速率方程推廣應用到準三能級藍光激光器中，分析了一個縱模、兩個縱模、多個縱模時的噪聲情況，合理地解釋了實驗中激光器單縱模運轉以及長腔多縱模運轉時穩定輸出的實驗現象，同時利用該速率方程分析了以各向同性激光晶體nd : yag為工作物質，類臨界相位匹配lbo為倍頻晶體的藍光激光器中基頻光偏振特性，合理利用類臨界相位匹配lbo倍頻晶體的偏振特性與引入的石英晶體全波片構成雙折射濾光片，通過選單頻來抑制噪聲，獲得了藍光低噪聲的穩定輸出。
  5. In this paper, a method assessing harmonic impedance by synchronously layered distortion waves is proposed, which is based on the " fluctuations method " - a simple and effective means. however the method is based on the fourier transform, which can just precisely analyze the signals whose cycle is integer times as broad as that of fundamental wave. with sampling windows widening, the variations of distorted signals in a fundamental period are weakened

    本文是以一種被廣泛採用的非干預式諧波阻抗估計方法? ? 「波動量」法，的基礎上，針對現有方法以直接的fourier變換為分析工具，只能對基波周期的整數倍窗口采樣信號進行分析，畸變信號在一個基波周期內的變化隨采樣窗口增大而被弱化，並且，諧波次數越高，解析度就越低，大大限制了諧波阻抗估計的準確性的提高。
  6. A new harmonic analysis method for electric power systems based on triangle basis functions neural network was presented, the convergence theorem of the algorithm was proposed, and a window function and interpolation algorithm were employed to correct the frequency of fundamental waves

    摘要提出了一種新的基於三角基函數神經網路的電力系統諧波測量方法，給出了該神經網路演算法的收斂定理，並採用加窗插值演算法修正基波頻率的準確度。
  7. Second, through employing the 3 - d finite element model and the dual objective function inversion method developed in this paper, and taking the measured fundamental frequency of system and the structure response to a harmonic excitation at the top of structure in field as the reversion objectives, the linear material parameter inversion is performed in ansys by using ansys parameter design language ( apdl )

    第二，採用三維實體有限元模型和本文提出的雙目標函數反演方法，把現場測試得到的系統基頻和頂部激振下實測的結構動力響應作為反演目標，利用ansys參數設計語言（ apdl ） ，在ansys軟體中實現了系統材料線性參數的反演。
  8. By studying traditional instantaneous power theory in single - phase circuit, we developed a real - time detecting method in this paper based on digital technology, which can detect harmonic current and fundamental reactive current in both single - phase and three - phase circuits

    本文通過對于單相電路瞬時功率理論的分析研究，提出了一種基於數字技術的單相和三相電路諧波和無功電流的實時檢測方法。
  9. Second harmonic is generated by 532nm fundamental wave on clbo, and the harmonic pulse is plotted along with the clbo crystal length

    以波長為532nm基波為例，數值模擬了經過不同長度的clbo晶體后諧波的脈沖波形，及脈沖寬度隨晶體長度的變化。
  10. The end face harmonic gear drive of oscillating teeth contains the advantages of the common harmonic gear drive and the oscillating teeth drive, and it belongs to the three dimensional space oscillating teeth gear drive. the new kind of transmission theory introduced in this article has been applied for patent ( the application number is 200410012992. 6 ) some fundamental theory of the end face harmonic gear drive of oscillating teeth is investigated in this paper, which can benefit the design of the product and the popularization of the patent

    這種新型的傳動裝置屬于空間的活齒傳動機構，可以從根本上克服傳統的徑向諧波齒輪傳動中柔輪的變形與其承載能力之間的矛盾，並可增加同時嚙合的齒數，加大齒輪的模數，從而可以在保留徑向諧波齒輪傳動所有優點的基礎上，使其所傳遞的功率增加數十倍。
  11. Based on the adaptive interference canceling theory and the concept of space vector, an adaptive fundamental positive / negative sequence component and harmonic component detecting method is developed. due to the close loop structure, this method has quite good robustness, and can meet the requirement of the asymmetrical control of hvdc - vsc well

    運用自適應干擾對消原理和空間矢量的概念，提出了一種基波正序分量、基波負序分量及諧波分量的自適應檢測方法，並進行了詳細的理論分析，為研究hvdc - vsc的不對稱運行控制奠定了基礎。
  12. Abstract : applying the frequency - domain representation of the complex signals in a three - phase system, a harmonic detection method based on the in - phase correlation filtering was put forward in this paper, which can be used to detect effectively the generalized harmonics in the three - phase system except the fundamental of positive sequence

    文摘:採用三相系統復信號的頻域表示並根據頻譜搬移原理，本文提出了一種基於同步相關濾波的諧波檢測方法，可用於三相電路中除正序基波以外廣義諧波的有效檢測。
  13. Under these assumptions, three kinds of excitations, namely, harmonic force with frequency equal to the structural fundamental frequency, harmonic force with frequency equal to half of the structural fundamental frequency and pulse force are inputted to the undamaged and damaged structures. then under the same excitation, the undamaged structural displacement responses, velocity responses, acceleration responses, jerk responses and responses of integrated displacement are compared with that of the damaged ones

    在此假定基礎上，分別將激勵頻率等於結構基頻的簡諧形激勵、激勵頻率等於結構基頻之半的簡諧形激勵和錘擊激勵輸入結構，而後比較了損傷前後結構在相同激勵下的位移響應、速度響應、加速度響應、加加速度響應和位移積分響應。
  14. Abstract : with the use of the theory of blazed phase gratings, the color separation phase grating used for icf drivers is designed, which can off - axis separate the fundamental, 2nd and 3rd harmonic waves. theoretically, its diffraction efficiency for 0 " th order at the 3rd harmonic wave is 100 %. experimentally, a color separation grating is made. both its separation angles ( at the 1st and 2nd harmonic waves ) and its diffraction efficiencies for 0 " th order are measured, and some significant results are presented

    文摘:採用相位閃耀光柵原理設計出用於icf驅動器中能離軸分離基頻、二倍頻、三倍頻激光的色分離相位光柵，理論上三倍頻零級衍射效率達到100 ，同時，對該相位光柵進行了實際製作和實驗測量，測出了基頻光和二倍頻光的分離角以及光柵的零級衍射效率，得到了一些有意義的結果。
  15. For the purpose of wavelet ' s basic concept and wavelet transform fundamental principle, four wavelets : littlewood - paley wavelet, meyer wavelet, harmonic wavelet and odd exponent wavelet are used to analyze structural response under earthquake ; experimental investigation has been carried out for two - stories frame model ; this paper also analyzes earthquake ground motion energy and structural energy response based on wavelet ; this paper proposes dynamic reliability analysis for structure seismic response based on wavelet

    針對小波的基本概念、小波變換的基本原理，本文提出了用四種小波： littlewood ? paley小波， meyer小波，諧波小波，單邊指數小波來進行結構地震反應分析、並對二層框架模型進行振動臺試驗研究、也進行了在小波基下的地震地面運動能量分析和結構地震能量反應、以及結構地震反應在小波基下的動力可靠性分析。
  16. Three kinds of excitations, namely, harmonic force with frequency equal to the structural fundamental frequency, harmonic force with frequency equal to half of the structural fundamental frequency and pulse force are applied to such four kinds of models. the displacement responses of the four kinds of models are calculated using sap2000 and the integrations of displacement responses are obtained by numerical calculations

    將三種激勵形式:激勵頻率等於結構基頻的簡諧形激勵、激勵頻率等於結構基頻之半的簡諧形激勵和錘擊激勵分別施加在這四種模型上，通過計算得到四種模型的位移響應，進而得到位移積分響應。
  17. It shows that when walk - off and diffraction effects could be ignored approximately estimation of the phase distribution of second - harmonic wave could be done. the far field divergent angle and second moment radius of harmonic wave will vary with the aberration of fundamental wave, but the far field divergent angle will be obviously smaller than that of fundamental wave. the phase distribution of both fundamental and harmonic wave is measured using hartmann - shack wave front sensor in the experiment with 1064nm and 790nm lasers, respectively

    這說明利用非線性光學頻率變換方法拓寬波前傳感器件的響應波段是很難實現的，但是，通常三波相互作用過程的研究均是建立在平面波和理想高斯光束之上，因此我們對于位相畸變倍頻過程的研究是非線性光學領域一個重要而有意義的新課題，它有助於人們更加深入理解非線性光學效應，為進一步合理利用之奠定了理論和實驗的基礎。
  18. Based on the concept of space vector, an open loop detecting method for the fundamental negative and positive sequence components as well as the harmonic components is developed, which combining the conventional detecting method based on filters and the concept of space vector. this method can overcome the defaults of the conventional detecting method, and can meet the requirement of the asymmetrical control of hvdc - vsc

    基於空間矢量的概念，提出了一種開環的基波正序分量、基波負序分量及諧波分量的實時檢測方法，這種方法可以看作是空間矢量的概念與傳統的基於濾波器的諧波檢測方法的結合，它能夠克服原有的基於濾波器的檢測方法的不足，可用於hvdc - vsc的不對稱運行控制。
  19. Diode switches or voltage controlled varactors implement dual - band resonators such that they can offer low impedance at the second harmonic of each frequency band, while, in some cases, presenting high impedance at the fundamental frequency as an rf choke circuit

    利用二極體開關或電壓控制變容器實施雙頻共振器以提供在雙頻操作中每一個頻段之二階諧波的低阻抗，同時在一些實施例里也提供主頻段的高阻抗、兼具有射頻阻塞電路作用。
  20. The error of distortion which harmonic distortion meter detects can be least controlled 1. the lowest frequency which harmonic distortion meter can detect is 0. 0001hz. but, generally, this kind of meter is so costly and difficult to operate that the major portion of the distortion meters applies the method of suppressed fundamental harmonic

    採用諧波分析法的失真度儀測得的失真度的最小誤差可控制在千分之一以下，頻率最低可達到萬分之一赫茲，但普遍存在儀器價格較貴，操作繁瑣的缺點，現在用的失真度測試儀大多是用基波抑製法。
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