諧振頻率法 的英文怎麼說

中文拼音 [xiézhènbīn]
諧振頻率法 英文
resonant frequency method
  • : 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形容詞(次數多) frequent Ⅱ副詞(屢次) frequently; repeatedly Ⅲ名詞1 [物理學] (物體每秒鐘振動...
  • : 率名詞(比值) rate; ratio; proportion
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  • 頻率 : frequency; rate
  1. 2. to the circular plate working in axial symmetry vibration at resonant frequency, the equivalent mass in analytical form is derived, that ' s is, and further, the equivalent compliance is obtained using the formula c = 1l 2 m

    對于工作在下做軸對稱運動的階梯圓板,採用解析求得它的等效質量,並由c = 1 / ~ 2m求得等效彈性系數。
  2. In the next place, by studying the change of the resonant frequency of the whole system, this paper designs the circuit to track the resonant frequency of the system by cd4046 mainly. at the same time, in order to improve the efficiency and get better dynamic capability of the converter, we choose pll and fuzzy control after comparing the pll circuit, fuzzy circuit and pll ? fuzzy control circuit. in the end, this paper brings forward the control blue print to realize the drive control circuit of the high frequency converter, using the dsp chip as the key part to realize four routes of pwm drive pulses with dead band of the control system

    其次,通過對整個系統變化的分析和研究,設計了以鎖相環cd4046為核心的鎖相環控制電路,同時,在綜合比較鎖相環控制、模糊控制以及模糊控制和鎖相環復合控制三種控制演算的基礎上,進行了系統模擬,得出採用復合控制可使跟蹤電路既具有鎖相環路較好的穩態性能,又擁有模糊控制較好的動態性能,系統魯棒性能好,同時也提高了逆變器的效
  3. E., the carrier frequency of a gaussian beam deviates from the resonant frequency of a fabry - perot etalon ), variations of the peak intensity, the position of the peak intensity and the dwdm systems, has received considerable attention. in this work, after taking into account the wavelength - depended reflectivity distribution profile of a fiber bragg grating, the oscillation wavelength # _ ( 1 ) of long external cavity fiber bragg grat

    與共情況(即高斯光束的載波布里一拍羅濾波器的一致)相比,非共條件(即高斯光束的載波布里一拍羅濾波器的存在偏差)一透射光束的峰值強度、峰值強度所對應的位置、以及光斑的大小隨入射角的變化都發生了顯著的改變。
  4. This paper researches and analyses the developments of web technology and magnetostrictive transducers from world wide region. the paper also analyes the characteristics curve of magnetostrictive transducers based on its equivalent circuit and researches the method how to make sure its syntony frequency and its electric simulation network parameters. at the same time, by using jsp technology, a magnetostrictive transducer electric simulation application is designed based on b / s three - tier system structure. the experiment data is fitted by curve fitting module. the equivalent input impedance of it with stimulate loop is separated based on the results of curve fitting and the syntony frequency and electric simulation network parameters of magnetostrictive transducers is determined by the input impedance. the method presented in this paper can determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers with a better accuracy than the testing method of syntony & anti - synton y. further more, jsp, the advanced technology at current, has been used to realize a magnetostrictive transducer web electric simulation system. the system has good human computer interface and the function of resource sharing and information publishing. the research of this paper and its achievements have some practical merits in the researchful and applied fields of magnetostrictive transducer

    用java編程語言編寫的曲線擬合模塊,對輸入的實驗數據進行了最小二乘的曲線擬合;根據曲線擬合結果可從帶激勵線圈的磁致伸縮換能器的輸入阻抗中分離出磁致伸縮換能器鐵芯在無激勵電流時由機械動形成的等效輸入阻抗,並由此輸入阻抗確定磁致伸縮換能器的及電氣模擬網路參數。本課題提出的方與傳統的?反相比,能更準確地確定磁致伸縮換能器的及其電氣網路參數。同時,採用當前比較先進的web技術,實現了基於jsp的磁致伸縮換能器web電氣模擬系統,該系統具有良好的人機界面和資源共享、信息發布功能。
  5. Since the variational method is useful for determining characteristic quantities such as resonant frequency and impedance, it is mainly used in this thesis

    變分在確定諸如和阻抗等特徵量方面非常有效,因而本文主要採用了變分
  6. This paper investigates the pressure sensitivity of an interferometric fiber - optic hydrophone element with a concentric mandrel including an enhanced sensitivity layer based on the theory of elastic mechanics and finite element method ( fem ) and then investigates its harmonic frequency and vertical directional property using fem, and verifies all the results derived from theoretic analysis at last

    本文分別基於彈性力學的理論和有限元的方對含彈性增敏層的同軸干涉型光纖水聽器基元的聲壓靈敏度進行研究,並基於有限元的方對其和垂直指向性進行分析,最後用實驗對各項分析結果進行了驗證。
  7. Under windows nt and labview development environment, using the linear fit module, exponential fit module > general polynomial fit module of labview to design a method for fitting the experiment data, the results of curve fitting indicate that the purpose of general polynomial fitting is better than the rest. separating the equivalent input impedance of magnetostrictive transducers without stimulate current from input impedance of it with stimulate loop based on the results of curve fitting, and determining the syntony frequency and electric simulation network parameters of magnetostrictive transducers by this input impedance. finally, with labview network functions, realizing magnetostrictive transducer electric simulation system based on web server and discussing a scheme for this system network by datasocket. the method of this paper can more accurately determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers than the testing method of syntony & anti - syntony. at the same time, discussing virtual instrument measurement system and how to realize magnetostrictive transducer electric simulation network system by labview network functions of network virtual instrument measurement development environment

    在windowsnt系統環境和labview虛擬儀器技術開發平臺下,首次利用labview中的直線擬合模塊、指數擬合模塊以及多項式擬合模塊,設計了一種對實驗所得數據進行曲線擬合的方,對三種擬合方進行了比較,曲線擬合結果表明,多項式擬合方相對于其它兩種擬合方效果更好;根據曲線擬合的結果可從帶激勵線圈的磁致伸縮換能器的輸入阻抗中分離出磁致伸縮換能器鐵芯在無激勵電流時機械動形成的等效輸入阻抗,並由此輸入阻抗確定了磁致伸縮換能器的及其電氣模擬網路參數;最後通過labview提供的網路功能,實現了基於web服務器的磁致伸縮換能器電氣模擬虛擬儀器測試系統,並探討了通過datasocket技術實現該系統網路化的方案。
  8. The basic principle, main properties, typical parameters, technical characteristics and general situation of klystron are introduced. the electron beam prebunching in the modulated cavity and shift tube of relativistic klystron amplifer ( rka ) is studied analytically, a self - consistent equation of radiation generated by the prebunched electron beam in the radiation cavity is derived using the field method of particle ? wave interaction instead of the electrical circuit method, and in terms of it, the gain in the linear regime calculated, a field analysis method is proposed. the theory analysis shows that the characteristic parameters, such as resonance frequency, real part of gap - impedance, external quality fadtor in all kinds of klystron output circuits including single - beam, multi - beam, single - gap, multi - gap, single - beammulti - gap, multi - beam multi - gap klystron output circuit, can be calculated by the field analysis method

    本文系統的介紹了速調管的工作原理、主要特點、發展概況、主要性能指標和技術特點,解析的研究了電子束在相對論速調管放大器的調制腔和漂移管中的預群聚;用粒子波互作用的場方導出了在輻射腔中預群聚電子束產生輻射的自洽方程,同時對線性區的增益進行了計算。理論分析表明,場分析可用於計算單注單間隙、多注多間隙、單注多間隙和多注多間隙速調管輸出迴路的、間隙阻抗實部和外觀品質因數等特性參數。
  9. We decided to use the axial polarized model as our investigate object after comparing. with theoretical and emulational methods, we studied the properties of cymbal transducer are dependent of the dimensions of metal endcaps and pzt thinner circle plate. and obtained the optimized dimensions

    採用理論和有限元模擬相結合的方,研究了金屬端蓋和壓電陶瓷片( pzt )的形狀參數對cymbal換能器的縱向位移及等性能的影響,確定了試樣的最佳形狀參數。
  10. With the high accurate transfer function it is possible to design frequency characteristic compensator to eliminate the mechanic resonance frequency characteristic of the control object. the fast steering mirror system closed bandwidth is no longer restricted by the mechanic resonance frequency and the closed bandwidth is expanded effectively

    在獲得對象的高精度傳遞函數以後,使用零極點對消的方補償系統的機械,有效地擴展了快速控制反射鏡系統的帶寬,使快速控制反射鏡系統的閉環帶寬不再受制於系統的開環
  11. The characteristics of the full bridge series resonant converter with the separate transformer are analyzed. the resonant frequency and other circuit characteristics are discussed. the full bridge series resonant converter is analyzed by circuit simulation

    對帶可分離變壓器的全橋串聯變換器的電路特性進行了分析,分析了變換器的,利用正弦等效的方分析了變換器的電路特性,對雙極性控制和移相控制全橋串聯變換器進行了電路模擬。
  12. 30 mhz measurement of quartz crystal unit parameters by zero phase technique in a pi - network - part 4 : method for the measurement of the load resonance frequency fl, load resonance resistance rl and the calculation of other derived values of quartz crystal units, up to 30 mhz

    用型網路的零相位測量石英晶體元件參數.第4部分:石英晶體單元負荷fl負荷電阻rl的測量方及其他石英晶體元件導出值的計算方
  13. The design testing piezoelectric material surface acoustic during the experiment process in the paper has several merits : convenience, efficiency, no loss, fastness. and they can be realized. the design applies material piezoelectric response and anti - piezoelectric response to stimulus and receive saw, and apply the method of testing resonator frequency to calculate saw tested speed, simultaneously contrast the actual test result about different material to typical value in the paper

    在本論文的研究實驗過程中,給出了一種方便、有效、無損、快捷的檢測壓電材料表面聲速的設計與實現,該設計中運用材料的壓電效應和逆壓電效應激勵和接收saw ,並運用檢測的方計算測量saw速度,同時給出了對不同材料的實際測試結果以及與資料典型值的對比。
  14. Methods for the measurement of frequency and equivalent resistance of unwanted resonances of filter crystal units

    濾波器晶體單元的無用和等效電阻的測量方
  15. The principle of this method is : first we can get the resonant frequency and the quality factor through experiment

    該方測量介質介電常數的原理是:首先通過實驗的方可以測得介質加載前後腔的和品質因數。
  16. A fem software as an important tool, work has been done as follows : the method using fem to design anomalous structure of transducers was adopted ; the vibration modes of the elastic pipe, ultrasonic transducers and system has been analyzed in piezoelectric coupled field. resonant frequencies of the transducers have been matched quite well with resonant frequencies of pipe, which can make it easy and accurate to design a transducer. the values of equivalent dynamic capacitors and dynamic inductances of ahead nine orders have been gotten derived by fem method, and fem equivalent circuit of the transducers has been built

    以ansys有限元軟體為主要分析工具完成了設計工作;在經典換能器設計理論和前人經驗的基礎上,對不規則形狀的換能器採用了有限元的方設計;在耦合場中分析了換能器、導管及整體裝置的動情況,使換能器的與導管的達到了較好的匹配,使設計變得更加容易和準確;利用有限元方建立了子的等效電路模型,求出了其前6階模態的等效動態電容電感值,為阻抗匹配和驅動電路的設計提供了依據。
  17. The radiation impedance at the resonant frequency, in analytical form, is consequently, the equivalent circuit of the plate is obtained

    採用解析求得它在下工作時的輻射阻抗為,在此基礎上可以得到階梯圓板的等效電路。
  18. It is very important to the electromagnetic simulations. this paper base on the theory and method of electromagnetic calculation and fdtd, associate with the particle simulation technology, develop an algorithm to resolve the problem of the eigenmode analysis of the cold - cavity in practice

    本文從分析電磁場計算的基本原理和方出發,立足於時域有限差分,結合計算機粒子模擬技術和數值計算原理,開發出一種能夠分析計算高功微波器件冷腔以及本徵模式的演算
  19. This paper researches and analyses the developments of network measurement systems and magnetostrictive transducers from world wide region. analyzing the characteristics curve of magnetostrictive transducers based on its equivalent circuit, researching the method how to make sure its syntony frequency and its electric simulation network parameters. realizing the magnetostrictive transducers network in labview virtual instrument development environment based on ethernet

    根據磁致伸縮換能器的等效電路,分析了其輸入阻抗的特性曲線,研究了通過磁致伸縮換能器的輸入阻抗確定磁致伸縮換能器的及磁致伸縮換能器的電氣模擬網路參數的方;同時在所研究的基於以太網的labview虛擬儀器平臺中首次實現了磁致伸縮換能器電氣模擬的網路化。
  20. Presents the simple but highly reliable on - line detection of ultrasonic transducer clamping capacitance based on the impedance circuit model constructed through the impedance characteristics of the ultrasonic transducer under triple harmonics, and concludes from experimental results that this method can be used to effectively detect the variation of clamping capacitance while the transducer is operating, and the matching inductance can be dynamically regulated according to the results of detection, and dynamic matching can therefore be achieved in the real sense at the end of the transducer to improve the overall performance of the whole system

    為了解決大功超聲應用的換能器電端匹配問題,分析了超聲波換能器在三次波下的阻抗特性,給出了超聲換能器三次波下的阻抗電路模型.並根據阻抗電路模型建立了對超聲換能器的夾持電容實現在線檢測簡單、可靠性高的方,實驗證明該方有效的.該方可以在換能器工作過程中隨時檢測夾持電容的變化,根據檢測結果對匹配電感進行動態調整,實現真正意義上的換能器電端的動態匹配,從而大大改善匹配質量,提高系統的工作性能
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