harmonic wave 中文意思是什麼

harmonic wave 解釋
諧波
  • 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...
  • wave : n 〈美海軍〉女志願軍人〈見 WAVES 條〉。n 1 波浪；碎浪； 〈the wave（s）〉 〈詩〉海。2 波動；波狀...
  1. The angular part of a continuum wave function is, of course, a spherical harmonic.

    連續譜波函數的角度部分當然是球諧函數。
  2. Even under the condition that the filling pressure was up to 1. 5mpa, the onset temperature was only 237 ?. with the filling nitrogen of 0. 9 mpa, the maximal pressure ratio reaches 1. 21 and the operation frequency is 25 hz. the ratio of the harmonic wave of the engine was very little and the frequency jumping was not found in present experiments

    在充氣壓力為0 . 9mpa的條件下，該熱聲發動機最大壓比可達1 . 21 ，遠高於駐波型熱聲發動機，實驗結果和理論分析均表明系統的工作頻率為25hz左右，實驗裝置的諧波比例非常小，且也沒發現頻率跳變等現象。
  3. Abstract : temporal properties of the second - ordre process with a chirped incident pulse are theoretically calculated. the chirp influences the irradiance and the pulse shape of the second harmonic wave with large phase mismatch. the phase distortion of all three waves is dependent more strongly on the chirp than on the phase mismatch

    文摘:討論了在大相位失諧下，基波為頻率啁啾脈沖的二次諧波產生過程，結果表明選取合適的啁啾參量可以使二次諧波的光強提高，但同時會使其波形和相位發生變化.三波相位的畸變主要取決于入射的基波啁啾脈沖，而與相位匹配的失諧量關系不大
  4. Study on the superposing methods of multi harmonic wave source based on the matlaib power supply system

    的供電系統多諧波源疊加方法的研究
  5. In addition, the c1ose - - 1oop cofltro1 part is devised, u1timate1y getting the pure sine wave with high rate of voltage use and 1ow distortion of harmonic wave

    此外，還設計了閉環控制環節，最終得到具有高的電壓利用率和低諧波失真的純凈的正弦波。
  6. 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。
  7. Development and application of wattles low pressure compensating and harmonic wave processing technique on mine heating furnace

    礦熱爐無功低壓補償及諧波治理技術發展和應用
  8. The content of this theme is as follows : without time, without open, without stopping railway transport, and without interrupting traction current of block tested, meanwhile track circuit parameters in electrical and no electrical blocks is measured of on - line, dynamic and real - time. these parameters include voltage of fsk signal, voltage of industrial and harmonic wave interference, upper frequency, lower frequency, carrier frequency and low frequency 18 messages frequency

    本課題研究內容：在不要點，不開天窗，不中斷行車，不中斷被測區段牽引電流的情況下，在線、動態、實時測量電化區段和非電化區段的移頻信號電壓、工頻干擾電壓，移頻信號（調頻信號）的上邊頻、下邊頻、載波頻率、以及低頻18信息頻率等參數。
  9. 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。
  10. It is verified the time harmonic wave propagation consists of a incident wave and a reflected wave ( even if by circuit theory of abcd matrix of r, l, c )

    驗證傳輸線上各頻率成份弦波電壓及電流之沿線分佈（電路矩陣模式解）為入射波與反射波所合成。
  11. It is common understanding that harmonic wave has public harmfulness to electric power system and other aspects on which electro - load ' s safety running is influenced

    電力諧波是威脅電力系統和其它用電負荷安全運行的「電力公害」 。
  12. The performance of the electric vehicle is improved greatly in which the harmonic wave of output voltage, power loss and torque pulsation of the system are decreased by controlling the switch angles

    它運用規則采樣法產生正弦脈寬調制波，通過開關角的控制抑制逆變器輸出電壓中的諧波分量，降低了電動機的損耗和轉矩脈動，使電動車的運行性能得到了較大改善。
  13. Choose the proper sample and compare by two means. first is to compare actual value to the calculated, and second is analysis of the effect on harmonic wave. take fast fourier transform algorithm to the samples fore - and - aft integral, and compare the amplitude and angle

    首先是直接比較實際值與還原值，其次是分析各種演算法對諧波的影響：分別對積分前後的采樣值進行快速傅立葉變換，比較各次諧波幅值和相位的變化。
  14. Then calculating the transient response at the furier harmonic wave subspace instead of the real mode space. the static stress characteristic of the structer can be solved based on the property of loads

    並在結構固有特性的基礎上，利用離散傅立葉變換，把結構動態載荷轉換到傅立葉空間計算結構的動態響應。
  15. The frequency conversion technique applied universally in the field of solid - state laser is studied : the second harmonic wave theory on the base of the coupled wave theory. the effect of phase - matching upon conversion efficiency is mainly analyzed

    本章還分析了固體激光領域普遍採用的頻率變換技術：建立在耦合波理論上的二次諧波理論，重點分析了相位匹配對轉換效率的影響。
  16. Generation of harmonic wave of electrical network and prevention of its harmfulness

    電網諧波的產生與危害及其防治措施
  17. Harmonic wave of electric network in coal preparation plant and its harm to electric motor

    選煤廠電網諧波及其對電機的危害
  18. Discussion about the reactive compensation in the power supply system with harmonic wave background

    在有諧波背景的供電系統中進行無功補償的探討
  19. This paper give the detailed calculations in structure parameter of subsidiary generator, the vibration arises by datromagnetism harmonic wave and intensity of thrust bearing

    本文對副發電機結構參數、電磁諧波引起的振動和推力軸承強度等進行了詳細的計算。
  20. We bringed forward harmonic wave testing means which is based upon wavelet transform, and follow the change of electric system harmonic wave current time, and accurately tested the harmonic wave signal of abruptly arisen and disappear

    提出了基於小波變換的諧波檢測方法，可以實時跟蹤電力系統諧波的變化，能夠準確的檢測到突然出現和消失的諧波信號。
分享友人
分享到 Line

分享到臉書