諧振元件 的英文怎麼說

中文拼音 [xiézhènyuánjiàn]
諧振元件 英文
resonant element
  • : 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量詞(用於個體事物) piece; article; item Ⅱ名詞1. (指可以一一計算的事物) 2. (文件) letter; correspondence; paper; document
  1. Surface transverse wave has the 1. 6 high frequency than rayleigh type surface acoustic wave ( using the same technology the frequency of devices of stw has about 1. 6 high frequency than rayleigh type surface acoustic wave ). the paper introduces the theory, design parament, technology and result expeiment of surface acoustic wave ( includes rayleigh surface acoustic wave and surface transverse wave, simple stw ) with low insertion loss, high q and researches the high frequency, low phase noise oscillator with 1ghz stw resonator as frequency element. and describes measurement method and finally experimantal result of the low phase noise surface acoustic wave oscillator

    本文研究了以低損耗、高q值聲表面波(其中包括聲表面瑞利波- - rayleighsurfaceacousticwave ,和聲表面橫波等)器的工作原理、設計參數、製作工藝及其實驗結果,並且研究了以1ghzstw器為頻控的高頻率、低相位噪聲聲表面波蕩器,以及低相位噪聲聲表面波蕩器的測試方法和最終的測試結果。
  2. Secondly, based on the syntony frequency and the elasticity mechanics and other correlative professional knowledge, establishes a suit of fsm vibration module system, selects the structure, material and the process and treatment technique of the elastic element in the elastic system of the mirror, analyzes a lot of factors which affect the structure of the rapid controlling reflector and provides the derivation formula

    頻率為出發點,利用彈性力學等相關專業知識,建立一套fsm的動模塊系統;確立了反射鏡彈性系統中彈性的結構、材料的選擇,及加工,熱處理。分析了影響快速控制反射鏡結構的諸多因素,給出其相關推導公式,最後應用solidedge和cosmos軟體對該結構進行了計算機模擬。
  3. By improving the conventional electric - arc fusion method, we have realized the splicing between two kinds of mofs and smf with relatively low splice losses. we have written fiber bragg gratings in grapefruit mof successfully. the multi - wavelength resonances are observed in the grating, and theoretical analysis shows that this phenomenon is caused by the resonances between core modes and cladding modes

    在此基礎上對微結構光纖光柵進行了理論和實驗研究,在柚子型光敏微結構光纖上成功寫制了布拉格光柵,觀察到多波長的反射峰,並利用全矢量有限方法對微結構光纖布拉格光柵中的多波長現象進行了理論分析,最後在實驗上對其在多參量傳感和多波長光纖激光器中的應用進行了嘗試。
  4. A new waveguide made of changing a wide wall of a rectangular waveguide to a uniform curved wall is called conformal waveguide. a kind of expression of approximate solution for domain mode of the new waveguide, including symmetric, unsymmetric arc, parabolic arch, hyperbolic arch, elliptic arch, etc., is constructed by using boundary condition of mental waveguide, variational method and boundary element method. by using the equivalence principle, an approximate calculating formula for equivalent resonant conductance of a narrow longitudinal halfwavelength slot cut in the curved wall of the unsymmetric arcrectangular waveguide is derived, and the result is shown. although this solution is approximate, it can solve the problem in designing the slotted antenna of such conformal waveguide

    把矩形波導一個寬面外突成均勻曲面構成的新波導統稱為共形波導.利用金屬波導邊界條、變分法、邊界素法構造這種新波導中主模場的一種近似解表達式,包括曲面橫截線為對稱、非對稱圓弧,拋物線弧,雙曲線弧,橢圓弧等.然後根據等效原理,推導非對稱圓弧矩形波導曲面上窄的縱向半波長縫隙的等效電導的近似計算公式,給出計算曲線.這種解雖然是近似的,但卻能解決這類共形波導縫隙天線的工程設計
  5. Polarization characteristics of laser beam, which is one of the important characteristics of high power laser, have a direct effect on output power, damage threshold of optical elements and beam quality etc. the polarization characteristics in the high power coil resonator is analyzed by jones calculus, and draw a conclusion that, in general the eigen - polarization state is elliptical polarization

    激光光束的偏特性是高功率激光器的一個重要特性之一,直接影響著高功率激光器的輸出功率、腔內光學的損傷以及光束質量等。本文首先利用瓊斯矩陣演算法對高功率氧碘激光器腔內的偏特性進行了分析,並得出結論,腔內的本徵蕩一般為橢圓偏
  6. For the former has inductance winding and ferromagnetic material, its measurement range is restricted by saturation, so it has a narrower range of frequency. being an inductance, it has the possibility of resonance

    由於電磁式電壓互感器帶有電感線圈和磁性材料,測量范圍受鐵心磁飽和的限制,傳輸頻帶不夠寬;作為感性,存在鐵磁的可能,可靠性差。
  7. The ceramic componets are made of high stability piezoelectric ceramics that functions as a mechanical resonator

    陶瓷由高穩定性壓電陶瓷製成,其功能表現和機械器一致。
  8. The core of the piezoelectric ultrasonic motor, piezoelectric ceramic is systematically researched. based on the piezoelectric effect, the piezoelectric equations are derived. from the piezoelectric equations, the important parameter of the piezoelectric ceramic ' s physical performance and the system equations of the vibrator are derived

    深入地研究了超聲波馬達的核心? ?壓電陶瓷,從壓電效應著手,推導了壓電方程,得到了描述壓電材料物理特性的幾個重要參數,並導出了壓電子及壓電陶瓷的系統方程,論述了壓電子的動模態及特性。
  9. 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

    用型網路的零相位法測量石英晶體參數.第4部分:石英晶體單負荷頻率fl負荷電阻rl的測量方法及其他石英晶體導出值的計算方法
  10. The first, the effect of the sizes of coupling slots in a coupling double gap cavity on the cavity characteristics is studied through simulation computation of three dimensions electromagnetic field and analysis of equivalent lumped element circuit. it is concluded by the research that, in lower frequency band, bigger coupling slots in a coupling double gap cavity are beneficial to raising the characteristic impedance and lowering the frequency of it mode

    第一,採用三維電磁場模擬計算方法和集中等效電路法研究了耦合雙間隙腔中耦合槽尺寸對腔性能如何影響等問題,得出了重要結論:在較低頻率波段,耦合雙間隙腔中開大耦合槽有利於提高模的特性阻抗,降低模頻率。
  11. In this foundation 80khz / 180a high frequency inverter was designed, already succeeded to use in the fuji company induction heating power source main circuit resonant element character test, which confirmed the theory and the experimental study result accuracy and the rationality

    在此基礎上設計的80khz 180a高頻逆變電源,已經成功用於富士公司感應加熱電源的主迴路諧振元件的特性測試,也驗證了本文理論與實驗研究結果的正確性與合理性。
  12. The goal of this subject is to sum up and exploit our technique how to produce low phase noise wideband vcos, through investigating and studying the basic theory and recent research fruits, combining national condition, and produce our low phase noise wideband vcos. using high q components, such as : coaxial resonator, dielectric resonator, makes bandwidth of vco become narrower, so that recently common wideband vcos generally make inductor and capacitor ( lc ) as resonators, combining varactors with wide range tunable capacitance, and achieve the wideband

    本課題旨在通過對低相噪寬帶vco的基本原理、國內外在這方面的進展,結合國內的實際情況進行研究,總結和開發出自己的方法,形成自己的理論。並把它運用於實踐,以製造出低相噪的寬帶vco 。由於加入高q,如:同軸器、介質器等,會導致蕩器帶寬比較窄,目前的寬帶vco一般採用電感電容( lc )作為諧振元件,輔之以大變容範圍的變容二極體,達到寬帶的目的。
  13. ( 4 ) based on module theory, the operation state analysis of voltage - feed zcs buck converter has been simplified and the time - discrete mathematic modeling of dcm mode has been setup. ( 5 ) the stability operation parameter range has been decided according to the stability criterion, and the analysis of influent of resonance inductance and capacitance to converter ’ s chaos character is carried out

    ( 5 )根據系統穩定性判據確定了穩定工作區域,得出主要參數的穩定工作范圍,設計了電壓反饋控制buck變換器的模擬電路並根據模擬結果分析了諧振元件的加入對于變換器運行穩定性和混沌特性的影響。
  14. At present the manufacture of surface acoustic wave use the technology of the final submicron. a series of the devices of low insertion loss, high q saw rayleigh surface acoustic wave resonators or stws that insertion loss has less than 5db, load quality factor ( ql ) is more than 1000 on the quartz piezoelectric with zero of first temperature factor in the research. these difference frequencies are 60mhz, 280mhz, 739mhz and 1ghz of normal frequency and at also surface acoustic wave. using 1. 25db noise factor amplifier, careful design curcuit, good setting printed curcuit board, and using the 1ghz surface transverse wave resonator as frequency element, researching the low phase noise surface acoustic wave with sideband phase noise near ? 120dbc / hz deviating 1khz on carrier, spurious suppress with 80db

    本研究採用一階溫度系數為零的壓電石英基片上製作出損耗小於5db 、有載品值因素( ql值)超過1000的一系列低損耗、高q值聲表面波rayleigh波或stw器,頻率分別為60mhz 、 280mhz 、 739mhz和1ghz等不同頻率的高性能聲表面波器。並採用噪聲系數為1 . 25db的低噪聲系數放大器,精心設計電路,優化設計布置印製電路板,用標稱頻率為1ghz的聲表面波器為頻率控制,製作出在偏離載頻1khz處的單邊帶相位噪聲近- 120dbc / hz 、雜波抑制達80db以上的低相位噪聲聲表面波蕩器。
  15. Based on the above, parallel connection circuit including mutual inductance is studied to get the condition for realizing parallel - resonance

    在此基礎上,對包含互感的並聯電路進行研究,得到實現並聯的條
  16. The field theory of network ( ftn ) had studied series connection circuit including mutual inductance, and got the condition for realizing series - resonance

    場論說已經研究了包含互感的串聯電路,得到了實現串聯的條
  17. The ferroelectric materials for their excellent dielectric, piezoelectric, ferroelectric, pyroelectric, electro - opticial, phonon - optic and nonlinear polarization properties have been widely applied in many fields especially in microwave tunable devices, such as phase shifter in phased array antenna, resonantor and filter etc. as far as microwave tunable dielectric materials, barium strontium titanate ( bst ) and its doped series have been investigated intensively, which have about 50 % tunability

    鐵電材料具有優良的介電、壓電、鐵電、熱釋電、電光、聲光及非線性極化等特性,在多種領域有著廣泛的用途。利用其非線性極化特性能制備微波可調,如相控陣天線上的移相器,器,濾波器等。
  18. It is comprised of a sensor head ( a quadrangular pyramid tip, a base, four quartz crystal plates ) and a network analyzer and an apparatus to apply three - axis force. according to mechanics, four plates of the quadrangular pyramid tip correspondingly receive four one - dimension forces when applying a three - axis force to the sensor head. because quartz crystal has a force - frequency effect, namely, resonance frequency change of the quartz crystal is in direct proportion to one - dimension forces applying to it, four certain resonance frequency changes of the four quartz crystal plates are corresponding to a three - axis force

    當傳感頭受三軸力作用時,根據力學的分析可以確定三軸力與四角錐體四個面上單向力之間的對應關系,用分別貼在四角錐體四個面上的四片壓電石英晶體作為壓敏,由於石英晶體的力頻效應(即石英晶體在受到應力作用時,它的頻率與應力大小成正比) ,從而最終確定了四片石英晶體的頻率改變量與傳感頭上所受三軸力大小和方向之間的對應關系。
  19. However these converters become more complicate. phase - shift zvs technique has been used in bidirectional dc / dc converters since it can realize zvs for all switches without auxiliary switches. however when the amplitude of input voltage is not matched with that of output voltage, the current stresses and rms currents of the converters become higher, in addition the converters can not achieve zvs under light - load condition

    、準或多技術方案,變換器的電壓電流應力較高,變頻控制增加了濾波器設計的難度;能量緩沖吸收電路或有源鉗位電路方案,由於需要增加多個額外輔助,增加了變換器的復雜性;全橋相移技術方案,由於主電路無需增加額外,只需利用相移控制,即可實現軟開關,因此引起關注。
  20. Resonant devices are used to measure strain, stress, acceleration, pressure, mass, flow, etc. by detecting the change of the resonant frequency or amplitude of the resonant components

    通過檢測頻率或幅的變化來測量應變、應力、加速度、壓力、質量變化以及流量等,廣泛應用於力學量傳感器中。
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