main resonance 中文意思是什麼

main resonance 解釋
主共振
  • main : adj 1 主要的,主,全,總。2 充分的,盡量的;全力的,有力的。n 1 體力,氣力;力〈僅用於 with might...
  • resonance : n 1 回聲,反響;【物理學】共鳴,共振;【無線電】(波長的)調諧。2 【化學】中介(現象)。3 【醫學...
  1. The main features of the apparatus are focus on small volume, light weight, no iron core, no magnetic saturation and no ferreous resonance, moreover, related advantages such as the large range of transient and frequency response, excellent electrical magnetic compatibility, oil - free configuration, reliable insulation structure, are all the trends of current transformer in the future. meanwhile, it should agree with the future power gauge and digital, computer, automatic relay protection. it will meet the demand of digital power network

    它具有體積小、重量輕;無鐵芯、不存在磁飽和與鐵磁諧振問題;動態響應范圍大,頻率響應寬;抗電磁干擾性能強;無油化結構、絕緣可靠、價格低等優點;是未來電流互感器發展的方向,是新一代電力數字網發展的需要,適應電力計量和保護數字化、微機化和自動化發展的潮流。
  2. Based on the special load of the contactless system, this paper analyses and contrasts the principle and feature of the series and parallel resonance circuit. design the high frequency full - bridge series resonance converter and make the main circuit apply to the contactless electrical power deliver system and analyses the process of the main circuit in detail

    根據無接觸電能傳輸系統特殊的負載特性,詳細分析並對比了並聯和串聯逆變器的工作原理及電路特點,設計出應用於無接觸系統中的高頻全橋串聯諧振逆變器的拓撲結構,進而設計並製作了系統的主電路,詳細的分析了主電路的工作過程。
  3. The main information is followed. 1. a new kind of amino - carboxyl - chelating - agent ( acca ), 1, 2 - bis ( 4 - amino phenoxy ) ethane - n, n - n ', n ' - tetraacetic acid ( 4 - bapta ) was synthesized and characterized by fourier transform infrared spectroscopy, 1h - nuclear magnetic resonance and elements analysis, and its property was also studied

    設計併合成了一種新型的氨羧配位劑? ? 4 - bapta ,利用紅外、核茲共振、元素分析等手段對它的結構進行了表徵,並對它的性質進行了研究。
  4. Based on analyzing data from thin section, scanning electron micrograph and mercury injection, using nuclear magnetic resonance ( nmr ), rock - electr experiment and numerical simulation techniquess, etc. to analyze main origin of complex oil and water zones

    摘要在對薄片、掃描電鏡、壓汞資料分析基礎上,採用核磁共振、巖電實驗和數值模擬等手段,分析研究了復雜油水層的主要成因。
  5. This paper analyzes the operating principle of converter in detail, and designs the main circuit and the controlling circuit of the series resonance converter

    本文對逆變器的工作原理進行了詳細分析,並設計製作出了高頻逆變電路的主電路及控制電路。
  6. It is found that the existence of a maximum in the snr is the identifying characteristic of the sr phenomenon. " the main - unexpected - - novelty is the dependence of the effect on initial condition. " ( report of the phys. rev. e referee ) the coherence resonance ( cr ) and the stochastic resonance ( sr ) phenomenon in a globally coupled fitzhugh - nagumo neurons model are studied

    Ohyreve審稿人語)在對fhn神經模型的共振現象研究中,我們考慮一個存在耦合的多個神經細胞相互作用的神經網路,利用平均場理論和概率躍遷理論,得到了神經系統在無信號和有周期性信號的兩種倩況下的靜息電位。
  7. Through the finite element analysis to the resonance main body, four troughs vibration was obtained which was the resonance main body ’ s working mode, simultaneously the design parameter ’ s affect on vibration characteristic was discovered

    通過對諧振主體進行有限元分析得出:四波腹振動模態為陀螺諧振主體的工作模態,同時找出了影響其振動特性的結構參數。
  8. When the natural frequency of the gas column in the inlet valve is consistent with the main frequency of the periodic air inlet noise, the resonance noise of the gas column will also become prominent in the air inlet noise

    進氣管空氣柱的固有頻率與周期性進氣噪聲的主要頻率相一致時,空氣柱的共振噪聲在進氣噪聲中也會較為突出。
  9. 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。
  10. According to the experimental parameters of mpt, the main performance parameters of different propellants have been given by engineering performance computation under designed and working states, which has great importance for the experimental research and the future work. 2. for helium and argon, the factors which influence on mpt ' s vacuum steady work have been discussed such as the material of microwave tie - in, the distance between the probe and inner - conductor, the position of the inner - conductor, the input power of microwave, the mass flowrate of propellant and the vacuum pressure of environment, and the influence has been discussed of the microwave power and the mass flowrate of propellant on the pressure of the resonance cavity, thrust, reflected power and the temperature of the resonance cavity

    論文的工作和新見解主要包括: 1在設計狀態和工作狀態下,根據mpt的實驗參數,對mpt使用不同工質時的性能進行了工程估算,這對mpt現階段的實驗研究和今後的研究有重要的指導意義; 2對于he 、 ar推進工質,討論微波的接頭材料、探針與內導體的間隙、內導體的位置、微波的輸入功率、工質的質量流量以及環境真空度對mpt真空啟動和穩定工作的影響,並探討微波的輸入功率、工質的質量流量對諧振腔壓強、推力、反射功率以及諧振腔溫度的影響; 3對于n _ 2 、 h _ 2 、 nh _ 3 、 h _ 2o推進工質,主要討論與he 、 ar工質不同的特性,並從長遠的眼光和工程應用的角度,認為其可行性不容置疑,潛在優勢不可忽略,是未來mpt應用的主流推進工質。
  11. Obtaining structure and function of proteins is one of the main purposes of research in biology, but determining three - dimensional structure of protein by means of x - rays crystallography and nuclear magnetic resonance spectroscopy, and research in protein structure by the way of biochemistry, already can ’ t adapt the need of the rapid increase of protein sequence

    獲取蛋白質的結構和功能是生物學研究的重要目的之一,但是使用x光晶體衍射和核磁共振技術等實驗手段測定蛋白質的三維結構,以及使用生物化學方法研究蛋白質的功能時效率不高,已經無法適應蛋白質序列飛速增長的需要。
  12. In this thesis, we have mainly studied the characteristics of chf3, c6h6 and cf4 electron cyclotron resonance ( ecr ) plasma using langmuir probe and optical emission spectroscopy ( oes ). the relative concentration of different radicals in chf3 plasma and the effect of chf3 / c6h6 ratio on bond configuration of a - c : f films were discussed. it was showed that h, f, c2 were the main radicals among radicals of h, f, c2, ch and f2 in chf3 ecr plasma

    重點研究了chf _ 3 、 cf _ 4和chf _ 3 c _ 6h _ 6放電等離子體中基團的分佈;分析了不同基團的相對密度隨宏觀放電條件(微波輸入功率、放電氣壓、源氣體流量比)的變化規律;探討了等離子體中各種基團的生成途徑;在不同源氣體流量比的條件下沉積了a - c : f薄膜並通過傅立葉變化紅外吸收光譜( ftir )的測量得到了薄膜中鍵結構的信息;分析了a - c : f薄膜的沉積速率及其鍵結構與等離子體空間基團分佈狀態之間的關聯。
  13. Through theoretic reckoning and simulating analyzing, several control strategies for shunt apf were compared and chose ip - iq arithmetic of the instantaneous reactive power theory control strategy as the right scheme to produce the instructing current. based on it, some new control arithmetic was subjoined to suppress the resonance in system and balance the dc side capacitor voltage. two topologies of main circuit were compared and chose the three - phase voltage - source converter with a split - capacitor as its main circuit structure

    通過理論計算和模擬分析,比較了並聯型apf的幾種控制策略的優點和缺點,從中選擇瞬時無功理論控制策略i _ p - i _ q計算方式為指令電流產生的演算法,並在此基礎上增加了抑制系統諧振和平衡直流側電容電壓的控制;比較了並聯型apf主電路的兩種常見形式,從中選擇了三相電壓型變流器的主電路形式;算出適合該apf的直流側電容和出線電感的參數;設計出能有效消除apf產生的高次諧波的高通濾波器。
  14. This frequency range is proximate to main vibration frequency of the traction machine at rated speed, and, according to this, measures against elevator resonance are proposed

    並針對該頻率區與曳引機主機額定轉速主振頻率接近的特點,提出了防止電梯發生系統共振的措施。
  15. The main research is as follows : analyze and research the boundary constraint and the structure characteristic and segment the frame making use of the shell element, the pipe element etc. on the base of it the practical finite element model has been established ; analyze the mode of the frame by dint of the finite element model. and get the inherent frequency and the vibration mode of the frame. tentatively estimate the dynamic characteristic of the frame and analyze the inherent frequency that may be lead to the resonance

    論文的主要研究工作如下:分析研究車架的邊界條件和結構特性,並用殼、管等單元對該車架進行離散,建立一種切實有效的車架有限元模型;對該車架的有限元模型進行模態分析,求得其的固有頻率和振型,並對車架的動態特性做出初步評估,分析可能引起車架振動的固有頻率;在模態分析基礎上,研究發動機輸出的簡諧力引起的車架位移響應(即諧響應分析) ,以考察摩托車車架各部位的振動情況並與模態分析對比,分析是否與該車架的固有頻率相耦合而導致共振;在深入研究車架的模態分析及諧響應分析、清晰地認識了摩托車車架動態特性的基礎上,分析並提出了採用橡膠減震器對車架進行隔振的減震方法。
  16. All the power devices including main switches and auxiliary switches are in soft - switching condition ( zvs or zcs ), while the freewheeling diodes are turned off in zero current condition. besides, the control of resonance between inductance and capacitor can be easily realized without needing of setting the threshold values of the inductance current

    該電路中主開關和輔助開關均滿足zvs或zcs條件,續流二極體也工作在軟關斷方式,並且電感和電容之間的諧振控制不需要設定電感電流閾值,控制邏輯簡單,可實現四象限運行。
  17. Secondly, introducs the main theory of sir ( stepped impedance resonator ), some characteristic of the sir has been discussed, such as resonance conditions, resonator length, spurious ( higher order ) responses, and equivalent circuits

    其次,介紹了階躍阻抗諧振器( sir )結構和相關原理,同時系統的討論了sir一些基本特性如:諧振條件、諧振長度、雜散頻率和等效電路等。
  18. In the actuation, the feeling measure and the balance compensation, the gyroscope used the electric capacity with the high sensitivity, the low energy consumption, and combined with the high quality factor characteristic of the resonance main body, which enable its system to have the quite outstanding performance : the vibration gyroscopes were generally used to measure the rotation rate, but because of axial symmetry factor, the axial symmetry vibrating - shell gyroscope can be used to measure not only the rotation rate but also the rotation angle, moreover do not bring the accumulation error as a result of the integral

    該陀螺在驅動、感測與平衡補償上採用具有高靈敏度、低能量消耗的電容,並結合諧振體高品質的特性,有相當優異的表現:振動式陀螺儀一般都是用來感測轉速,而軸對稱殼式陀螺儀由於軸對稱的因素,不僅可以用來感測轉速,而且可以感測物體的轉角,並且避免了由於積分而帶來的積累誤差。
  19. Isolation and purification of four main peptide toxins from a. fuligiea were undergone by means of rp - hplc, and idenfication of the chemical structure of - amanitin and - amanitin by nuclear magnetic resonance ( nmr ) showed that the the chemical structure were the same as the reference

    對灰花紋鵝膏菌的四種主要肽類毒素進行了分離純化,並用質譜和核磁共振對兩種鵝膏毒肽( - amanitin 、 - amanitin )進行了結構鑒定。結果與文獻報道的相一致。
  20. In summary, fir ( far infrared ) has three main characteristics which namely are radiation, permeation and resonance absorption to form the energy of activation to benefit the health of human body

    整體來說,遠紅外線具有三個主要特性,亦即放射,滲透力以及共i鳴吸收,以致形成活性化能量,有益身體健康。
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