預調諧 的英文怎麼說

中文拼音 [yùdiàoxié]
預調諧 英文
preset adjustment
  • 預 : Ⅰ副詞（預先; 事先） in advance; beforehand Ⅱ動詞（參與） take part in
  • 調 : Ⅰ動詞1 （配合得均勻合適） harmonize; suit well; fit in perfectly 2 （使配合得均勻合適） mix; adju...
  • 諧 : 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...
  1. According to the quickly adjustable characteristic of the peterson coil grounding system, this dissertation proposes a new control strategy. when the system is in operation, the strategy can limit the series resonance over - voltage by using the off - resonance method. when fault occurs, the strategy can conveniently suppressing arc by rapidly adjusting the inductance value of the peterson coil to the point, which the resonance with grounding capacitance of the power network is occurred

    依據可控硅控制消弧線圈接地系統的快速可控性，一改傳統的電網正常運行時調節消弧線圈接近於全補償的預調諧方法，提出正常運行時採用脫諧方法抑制串聯諧振過電壓；故障時立即調節消弧線圈電感量達到與對地電容諧振，以利熄弧的新型調節原理和方法。
  2. The lifting - line and lifting - surface design method, the harmonic analysis method based on the panel method, new section design ways, the effective operating curves are integrated into a whole design system of the unsteady propeller, the design system is effective and reliable by the design example, the model test and the application to the full scale ship

    本文把升力線和升力面設計方法、基於面元法預報螺旋槳非定常性能的諧調分析方法，新剖面設計方法、有效運轉曲線計算方法組合為一套完整的非均勻流場中螺旋槳設計計算系統，經實例設計和模型試驗及實船的應用，該設計系統是可靠且有效的。
  3. 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法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，場分析法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諧振頻率、間隙阻抗實部和外觀品質因數等特性參數。
  4. The sugureko " dvr - dt90 70 " model series are the company s first digital terrestrial tuner equipped recorders, positioned as its high - end models for high quality pictures, and world s first to make use of single - sided dual layer dvd - r disc recording. easy operations with " keyword search keyword timer recording, new program search, and rough genre search " functions were explained. automatic timer recording compatibility with mobile phones pc, with many other features for the whole family members to enjoy were mentioned

    " sugureko "系列的" dvr - dt90 70 "作為該公司最早配備地面波數字調諧器及追求高畫質與高便利性的高端機型，不僅能支持雙層dvd - r光盤的高速記錄，還具有使用高方便性的"錄像辭典"自動錄像功能，並且還配備有pc手機的預約功能，能滿足全體家庭成員的需求。
  5. A virtual cathode oscillator with an axially extracted te10 or te11 mode has been investigated using the pic code. it can emit microwaves axially through an antenna without mode converter or transition waveguide, making the system more simple and compact. the efficiency of this device can be enhanced by employing premodulation cavity, resonant cavity, feedback mechanism, and virtual cathode formed by two electron beams

    本文利用物理分析和粒子模擬的方法研究了軸向提取te10 / te11模虛陰極振蕩器，結果表明通過引入預調制腔、諧振腔、反饋端面、雙電子束陰極等結構，可以實現結構相對緊湊、束波轉換效率較高的軸向提取虛陰極振蕩器。
  6. The voltage - controlled oscillator and the dual - modulus prescaler are the most crucial blocks in the pll frequency synthesizer. two kinds of voltage - controlled oscillator ( the quadrature voltage - controlled oscillator based on symmetrical spiral inductors and differential varactors, and the voltage - controlled oscillator with wide tuning range based on mos varactors ) and two kinds of prescaler ( the prescaler using phase - switching techniques, and the prescaler using dynamic circuit techniques ) are proposed. then, the complete pll frequency synthesizer is implemented, in which

    壓控振蕩器和雙模預分頻器是鎖相環型頻率合成器中最關鍵的兩個模塊，本論文分別實現了兩種類型的壓控振蕩器（採用對稱螺旋型電感和差分二極體型容抗管的正交壓控振蕩器和使用mos型容抗管的大調諧范圍壓控振蕩器）和兩種類型的雙模預分頻器（使用相位開關技術的雙模預分頻器和使用動態電路技術的雙模預分頻器） 。
  7. Blank detail specification for variable tuning capacitors type a fitted with integral pre - set capacitors type c in electronic equipments

    電子設備用裝有整體c類預調電容器的a類調諧可變電容器空白詳細規范
  8. The inverter apparatus controlled by pre - set voltage adjustment project has the advantages of low harmonic content, high output frequency precision, simple control circuit. therefore, this kind of project is the hot point in inverter power studying field

    用「開關預置式電壓調節方案」控制的逆變電源具有輸出諧波含量低、輸出頻率精度高、控制電路簡單等優點，是逆變電源研究領域的熱點。
  9. The system reached control goal by experimental verification and the experimental results showed the system could produce ac excitation voltage with low harmonic, quick adjusting speed, wide adjusting range and high control precision of frequency

    整個系統通過全面的實驗驗證，實驗結果充分說明所設計的系統產生出低諧波、調節速度快、調節范圍寬和頻率控制精度高的交流勵磁電壓，達到了預期的目標。
  10. However, the emission wavelength of a dfb - ld needs to be carefully turned on the predetermined wavelength grid by adjusting both laser temperature and bias current. furthermore, dfb - ld has such drawbacks as a relatively large variation of the lasing wavelength with ambient temperature ( ~ 0. 1nm / c ) which restricts its application in dwdm systems

    然而dfb - ld的激射波長受溫度（ 0 . 1nm ）和偏置電流的影響較大，只有通過調節dfb - ld的溫度和偏置電流，其激射波長才能被調諧在預置的波長處。
  11. In order to solve the problem of voltage regulating, the control strategy of select harmonics elimination pulse width modulation ( shepwm ) was introduced. at the same time it was combined with optimum spwm, the range of voltage regulating was expended and the dc utilizable efficiency was improved

    為解決變換器調壓問題，對基於選擇諧波消除的shepwm控制方案進行了研究，並將此種控制與開關點預置最優spwm相結合，進一步擴展系統調壓范圍，提高直流電壓利用率。
  12. Because quasi - fermi levels of a laser diode ( ld ) vary with the carrier density, it is predicted that a new type of hysteresis loop should occur for the current passing ld while a hysteresis loop appears on the power - frequency curve of the ecld. an explicit analytical expression for the frequency width of the hysteresis loop and the condition for the formation of the hysreresis loop has been deduced

    預測了由於半導體激光二極體（ ld ）的準費米能級之差隨ld內線流子密度的變化而變化，因而，在調諧外腔半導體激光器的輸出功率?振蕩頻率曲線上出現雙穩環的時候，通過ld的電流也應出現一個伴隨的新型雙穩環? ?電流雙穩環。
  13. Simultaneously, some parameter tuning strategies are presented to guarantee low overshoot and good robustness for the predictive control system

    同時，本研究提出一些參數調諧策略，確保此預測控制系統具有低超越及良好的韌性。
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