諧振幅 的英文怎麼說

中文拼音 [xiézhèn]
諧振幅 英文
harmonic amplitude
  • : Ⅰ形容詞1 (和諧) in harmony; in accord; in tune 2 (詼諧) humorous Ⅱ動詞(商量好; 辦妥) come t...
  • : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
  • : Ⅰ名詞1. (布帛、呢絨等的寬度) width of cloth 2. (泛指寬度) width; size 3. (姓氏) a surname Ⅱ量詞(用於布帛、呢絨、圖畫等)
  1. Abstract : considering the second nearest - neighbor interaction and cubic, quartic anharmonic interactions simultaneously, we employ the multiple scales method combined with a quasidiscreteness approximation to calculate the lattice vibration. it is shown that the kind of nonlinear chain exhibits envelope soliton, envelope kink and envelope antikink soliton. these results can also be used to explain the experimental phenomena that the kink amplitude of the self - localized structure is determined only by the intrinsic properties of its lattices

    文摘:同時考慮次近鄰相互作用和三次方、四次方非相互作用,利用多重尺度結合準離散近似方法去計算晶格動行為,發現一維非線性點陣中存在包絡孤子及正扭結型包絡孤子、反扭結型包絡孤子,解釋了自局域結構的度只取決于點陣中的固有參數的實驗現象
  2. Based on the study of transferring characteristics of the lcc - type resonant voltage, the parameter combinations, which make widths and magnitudes of voltage pulses of resonant network adjustable, arededucedo when the following requirements are met : fn > 3, k > 3 or cp / cs > 8, the above circuit is of natural voltage - stabilized characteristics, thus open - loop control method for bucking voltage is presented and the experimental results verify that the method is feasible.,

    實測整機在額定負載時效率達到88以上。在研究lcc網路電壓傳輸特性的基礎上,推導出滿足可變寬度和度的網路輸出電壓脈沖列的參數組合。設計f n 3 、 k 3或c _ p / c _ s 8時,網路具有自然穩壓特性,因此本文提出並實驗驗證了一種整機為降電壓時的開環控制策略。
  3. 1 m 0. 5, the phase - shifted angle 6 is controlled in term of sine law which makes the magnitude of resonant voltage track a reference sine voltage, and the resonant voltage is rectified, filtered, inverted and then the better sine - voltage output is obtained, theoretical analysis and experimental results show that for the resistive load and inductive load, the switches of leading leg of the phase - shift - controlled circuit are always turned on at zvs, and ones of lagging leg are turned on at zvs ( < 0 ) or turned off at zcs ( ( > 0 ), moreover, all switches in the low - frequency inverter are always turned on and off at zvs, the measured circuit efficiency for rated load reaches up to 88 %

    從功率單向流動角度出發,提出了一種lcc型恆頻移相單相高頻鏈逆變電路拓撲,在調制系數0 . 1 m 0 . 5情況下,控制移相角按正弦規律變化,使電壓脈沖列的值追蹤參考正弦電壓信號,經過整流、濾波、低頻逆變,從而獲得正弦度較好的輸出電壓。理論分析和實驗結果證明對于阻性負載或阻感性負載,移相全橋具有超前橋臂零電壓開通,滯后橋臂或者零電壓開通( _ 0 )或者零電流關斷( _ 0 )的軟開關特性,而低頻逆變器的各個開關均實現零電壓條件下的開通與關斷。
  4. Harmonic method : the representation of tidal variations as a sum of harmonics known as constituents each of different frequency, amplitude and phase

    調和法:將潮汐變化分解為不同頻率,和相位角的波(即分潮)的方法。
  5. We study the time evolution law of the atomic response in an open - type inversionless lasing system when the probe or driving field is off - resonance, and compare the law with that obtained when the probe and driving fields are resonant. we find that the detuning has considerable effects on the time evolution law : when the probe or driving fields is off - resonance, the dispersive responses for the probe and driving fields are no longer 0 and the two - photon coherence is no longer a pure real ; the variation of the probe detuning can make the time evolution law of the population distributions and the gain ( absorbtion ) of the driving field changing obviously ; with detuning increasing, the time evolution behavior of the gain ( absorbtion ), dispersion of the probe field and the two - photon coherence will gradually diviate from the evolution law of the standard damped oscillator ; with the driving detuning increasing, the oscillating time of the dispersion of the driving field becomes longer, the amplitude and the stationary value increase

    研究了探測場或驅動場失情況下開放的型無粒子數反轉激光系統中原子響應的時間演化規律,並與探測場和驅動場都共時的演化規律進行了比較.我們發現失對時間演化規律有顯著的影響;當驅動場或探測場失時,原子對探測場和驅動場色散的響應不再為零,雙光子相干不再是純實量;探測場失的變化將使粒子布居和驅動場增益(吸收)的時間演化規律明顯改變;隨著失的增大,探測場增益(吸收) 、色散和雙光子相干隨時間的演化行為逐漸偏離標準阻尼子的演化規律;驅動場色散驅動場失量的增加而蕩時間變長,和穩定值變大
  6. As an example using sine wave, the effect of vibration amplitude and frequency and time on bit error rate is researched

    動譜中典型的正弦波為例,推導了、頻率和時間對誤碼率的影響。
  7. 2. the principle that cylinder misfire is diagnosed using torsional vibration harmonic analysis is illustrated by calculation of vectorsummation. calculation and experiment show : low harmonic will increase highly and main harmonic will decrease little when one cylinder is misfiring

    通過對扭激勵的相對矢量和的模擬和實驗研究,得到結論如下:如果柴油機發生單缸熄火故障,扭值會大度增加,主簡會略有下降。
  8. This paper aims to finish the electronic interface circuit of the tuning fork micromechanical gyroscope detected by capacitance to ensure the vibrating of the gyroscope and to detect and process the signals

    本文針對音叉電容式微機械陀螺的介面電路設計、穩、微弱信號檢測和處理等問題開展研究。
  9. In chapter 3, we studied the effect of gaussian transverse profile for the driving and laser fields on lasing without population inversion ( lwi ) in a closed v - type system and an open v - type system. moreover, we discussed also the effect of the unsaturated gain coefficient, the cavity - damping rate, the ratio of the atomic injection rates and atomic exit rate on the corresponding systems. in chapter 4, we mainly discussed the effect of doppler broadening on the gain, dispersion and the frequency up - conversion of the open v - type lwi system and compared the differences and the same between the open system and the corresponding closed system

    發現: ( 1 )在考慮doppler展寬的情況下,通過選取合適的實驗室條件(比如合適的原子環境溫度等)可得到合適doppler展寬值,從而使系統獲得最佳增益; ( 2 )要想實現系統的頻率上轉換,同時又要獲得足夠強的無反轉激光增益,則系統頻率轉換比不能選取的太大; ( 3 )對于開放系統,比較小的粒子注入速率比與退出速率對產生無反轉激光是有利碩士學位論文摘要的: ( 4 )由於dopp1oy展寬的存在,當探測場與驅動場的傳播方向相反時,增益在探測場失的某一段區域產生蕩,且蕩的、頻率失范圍的大小與dopper展寬的取值有關。
  10. ( 3 ). the flattening arithmetic of an edfa was presented based on the inter - correlative function between the gain spectrum function of the edfa and that of the reserve transmission spectrum of the lpfg. for optimal matching between the two spectra, the flattening arithmetic calculates the variation of the resonant amplitude and wavelength of the lpfg

    Iii .提出了一種動態增益均衡的平坦演算法,這種演算法的本質就是利用摻鉺光纖放大器增益譜函數和新型長周期光纖光柵的透射譜反轉譜函數的相關性,給出新型長周期光纖光柵度和位置的調節量,使改變后的新型長周期光纖光柵的反轉譜線能和edfa的增益輸出譜線進行最佳匹配。
  11. And an automatic gain control ( agc ) loop is introduced to keep the vibrating amplitude of dive tines invariable. it will effectively improve the linearity and robustness of the gyro. moreover, the configuration of the drive circuit is illustrated in detail

    3 .設計了微陀螺驅動控制系統,引入了自動增益控制環節,使驅動音叉值保持恆定,提高了微陀螺的測量線性度,增強了微陀螺的魯棒性,並且詳細介紹了驅動控制電路的實現方法。
  12. Finally, application of adams in the simulation analysis of the electromagnet damping system is based on velocity feedback. the result of the simulation is indicated that : the vibration effect of low frequency and resonance peak is decreased with increment of damping ratio, and the high frequency performance is not affected

    最後採用adams對電磁阻尼隔系統進行了動模擬分析,模擬結果表明,合理設置阻尼比,能夠有效抑制峰值,大度提高低頻隔效果,並且對隔平臺頻率和高頻性能影響很小。
  13. This paper begins with the calculation of the stator ' s resonance frequency, deals with the design and manufacture of motor, and puts forward dual nut structure of traveling wave revolving ultrasonic motor, and presents the analysis of the contract between rotor and stator in the manufacturing process, relation between the amplitude of voltage - ceremic chip and drive sources. the conclusion is that amplitude is affected by deviation of resonance frequency

    同時分析了電動機的加工工藝,對超聲波電動機製造過程中功率與接觸角和與驅動電源的關系進行了討論,得到了接觸角與輸出功率的關系曲線,以及超聲波電動機的主要受電壓和激頻率偏離定子環第2n階頻率的偏離量確定。
  14. The adaptive signal processing technology is a rising science embranchment, which composed with many subjects and fields. in this paper, application of the adaptive filter to elimination of the leaked triangular wave and the adaptive signal processing of the fmcw millimeter - wave radar system is studied thoroughly. the use of an adaptive filter offers an attractive solution to the problem as it usually provides a significant improvement in performance over the use of the conventional methods

    在系統的自適應信號處理研究中,系統實現採用稱為自調濾波器的自適應對消器,結果表明,在自適應過程結束后,利用該方案可以得到和原始攜帶信息的理想干弦波十分近似的正弦波輸出,其誤差是一個具有很小的隨機過程,具有很好的濾波效果。
  15. In order to analyze the rotation noise further, a new method for measuring the amplitude and phase of each harmonic component of periodic signal mixtures is established based on the morlet transform and fourier transform in theory, which will provide scientific warranty for reducing noise of disk mill

    為了進一步分析爪式粉碎機的旋轉噪聲,理論上利用morlet小波變換結合fourier變換對旋轉噪聲各次波成分的和初相位的提取,作了初步探討。
  16. The experimental results show that the amplitude of vibration decreases and the resonance peak moves to higher frequency as the strength of electric field increases

    實驗表明,隨外加電場強度增加,結構值減小,系統峰向高頻方向移動。
  17. The main ideas of the thesis and the contributions to the resonant dc - link area are also listed in this chapter. a novel control strategy for the two - amplitude actively clamped resonant dc - link is proposed in chapter ii. it neglects the bus short circuit time adjuster and stabilizes the clamping voltage by a pi regulator so that the obtained link frequency is improved and the link losses are greatly reduced

    第二章針對雙控制技術在單相橋式電壓源逆變器中的應用為範例進行研究,提出了直流母線無短路控制和通過pi調節環穩定箝位電壓的雙控制策略,進一步提高了母線蕩頻率,減少了直流環節損耗。
  18. Comparison research verifies its effectiveness on reducing the de - link losses and improving the output performance. the three topologies mentioned above are all presented with detailed theoretical analysis, parameters design, simulation and experimental verifications. a 6kw three - phase inverter system is accomplished in order to verify that the two - amplitude control technique is fit for high power application

    第五章研究三相逆變系統的雙直流環節技術,完成了6kw實驗系統,提出了滯環電流控制與空間矢量調制相結合的方案( hcc - svm )並首次採用cpld實現邏輯控制,大大降低了逆變器換流頻率,縮短了控制延時,實現了逆變器的高效變換和低輸出失真。
  19. Under the small amplitude condition, the system becomes weak nonlinear system, it can be solved by harmonic balance method, the result show that the frequency is in respect to the amplitude of vibration and the value of prepressing

    在小條件下,系統是弱非線性,可以利用波平衡法對系統進行定量分析,得出了系統頻率與、預緊量的關系。
  20. Four typical actively clamped resonant dc - link inverter ( acrdcli ) applications - - - - - - full - bridge voltage source inverter ( vsi ), half - bridge vsi, full - bridge current source inverter, as well as three - phase vsi, are selected as models

    論文分別以全橋、半橋、電流型以及三相拓撲結構為範例進行雙直流環節技術研究。
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