激磁源 的英文怎麼說

中文拼音 [yuán]
激磁源 英文
excitation sourse
  • : Ⅰ動詞1 (水因受到阻礙或震蕩而向上涌) swash; surge; dash 2 (冷水突然刺激身體使得病) fall ill fr...
  • : 名詞1. [物理學] (磁性; 能吸引鐵、鎳等的性質) magnetism 2. (瓷) porcelain; china
  • : 名詞1. (水流起頭的地方) source (of a river); fountainhead 2. (來源) source; cause 3. (姓氏) a surname
  1. Finally, because high - speed power solenoid valve is one of the most important executive parts in the electronic control diesel engine and the performances of diesel engine are strongly related to the solenoid valve, the response performance of the solenoid valve is investigated. the response performance of the solenoid is influenced by many factors, such as driving voltage, electric driving unit etc. in order to have high excitation voltage and in low maintaining voltage, a high - low voltage electric driving unit is designed, and in order to make the solenoid valve close more rapidly, an active free - wheeling circuit and a bootstrapping circuit are designed in the electric driving unit, too. in the high - low electric driving unit, high voltage and low voltage are supplied by the dc - dc device and by the accumulator respectively

    高速強力電閥的響應性能除了與閥本身的結構和材料有關外,與驅動電壓、驅動電路的設計密切相關,本文通過分析,首先開發出一種高低壓驅動電路,高壓電是山升壓式dc - dc原理獲取的,低壓由蓄電池本身提供,實現高壓強和低壓維持的功能,電路中採用有續流電柴汕機中卜軌知介系統的設訓及其七川j敝略的叭究路進行續流,加誣了電閥的關閉速度;採用自舉吐路,降低了場效應管對驅動電壓的要求。
  2. Based on the thorough investigation of the post - regulation and efficiency in multiple output switching - mode power supplies, an optimal combination topology for multiple output switching converter is presented in this thesis, which is consisted of forward converter with active clamp ( fac ), synchronous rectification ( sr ) techniques and magnetic amplifier technique ( magamp )

    本文通過研究分析近年來多路輸出開關電輔助輸出電壓調節和提高效率的方案,面對開關電朝著輸出低電壓大電流方向發展的趨勢,提出多路輸出開關電新的拓撲優化組合模式? ?有鉗位正變換器、同步整流技術、放大器。
  3. 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法的曲線擬合;根據曲線擬合結果可從帶勵線圈的致伸縮換能器的輸入阻抗中分離出致伸縮換能器鐵芯在無勵電流時由機械振動形成的等效輸入阻抗,並由此輸入阻抗確定致伸縮換能器的諧振頻率及電氣模擬網路參數。本課題提出的方法與傳統的諧振?反諧振法相比,能更準確地確定致伸縮換能器的諧振頻率及其電氣網路參數。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共享、信息發布功能。
  4. During ion source operating, alternating axial magnetic field and azimuthal electric field in discharge tube ionize hydrogen gas purified by hot palladium pipe, and form plasma, hi fifties year, research reports studied on rf ion source are numerous however most of them are concerned about application, and research reports relevant to discharge theory or experiment model are unfrequent

    離子工作時,放電空間交變的軸向場和渦漩電場發放電管中經鈀管純化后通入的氫氣電離,形成等離子體。 50多年來,關于高頻離子的研究報告很多,但是,這些研究主要都集中在應用研究方面,有關高頻無極環形放電離子的理論與實驗模型研究不是很多。
  5. A precision force banacing accelerometer for ineration navigation application is developed. the resolution, low - sensitivity threshold and high thermal stability are considered as design parameters. in order to guarantee a low - sensitivity threshold while maintaining robustness against shock, push - pull type long flexures are used in this paper. to improve thermal stability, this paper discusses the use of electromagnets as a magnetic fied source. the silicon pendulum assembly and modified inducance type pick - up is also developed to reduce assembling procedure. the measure range of accelerometer is 0 - 70g

    加速度計的解析度、靈敏度閾值和高的熱穩定性是設計時主要考慮的參數。本論文中使用推?挽式長撓性結構來保證低靈敏度閾值,同時保證抗振魯棒性。為了提高熱穩定性,本文中討論了利用永久鐵作為;微加工技術被引入擺組件的結構設計和利用力矩線圈作為勵線圈來簡化電感式的檢測裝置。
  6. A design of excitation power circuit

    一種電路的設計
  7. Firstly, the thesis briefly introduces the key techniques relating to the power module, and points out that the magnetic - integration technique can improve the performance further. secondly, the characteristics of active - clamp forward converter are analyzed, and the notion of flux - coupling is proposed to derive the im - fac converter

    論文首先簡要介紹模塊電及主要的幾種關鍵技術,指出模塊電中應用集成技術可進一步提高其性能;接著分析了有箝位正變換器的工作特點,提出通有效耦合的思路,並據此得出im - fac變換器。
  8. Then, the complementary fem based on the introduction of t - q is verified by the case study. finally, combining the complementary fem and direct method, analyse the electromagnetic field and parameter of controllable reactor. the obtained results show that the complementary fem can be applied with satisfactory accuracy in the computation of parameters of electromagnetic devices

    第四,基於t ?變量的互補有限元法,在混合情況下,分析計算了可控電抗器的場和電感參數,並通過與實測電感量的相互印證,進一步證實了互補有限元法在電參數計算中的應用價值。
  9. In this paper, the working principle of the interleaving two - transistor forward converter is analyzed in detail, and the waveforms of the switch drain - to - source voltage and transformer magnetizing current are researched in different duty cycle conditions. the simulation model is constructed and the simulation results verify the analysis

    本文分析了交錯並聯雙管正變換器的工作原理,研究了在不同占空比條件下開關管的漏電壓和變壓器勵電流波形,建立了模擬模型,模擬結果證明理論分析的正確性。
  10. ( 3 ) chapter v. plasma characteristics of rf ion source is investigated. a zero - dimensional numerical dynamic colisional radiative atomic and molecular ( cram ) model is suggested to simulate the microphysical process. all species " population number densities in plasma are calculated in non - thermodynamics equilibrium condition, and proton content in extracted ion current are measured with 60 ? magnetic analyzer

    ( 3 )提出了高頻離子等離子體的零維cram模型( collisionalradiativeatomicandmolecularmodel ) ,計算了非平衡態( nte )下等離子體中分子、電子、離子、基態原子、發態原子等粒子濃度,並在zf - 200kev中子發生器上,用60分析器實驗測定了引出束流的質子比。
  11. The two basis functions are pulse function with point match and rwg function with galerkin method. the results are compared and discussed. in chapter 3, the derivation of local illumination source is reported

    第四章根據第二章的積分方程解法和第三章的及matlab建立的模型,求解某些結構在局部照射下的電散射特性。
  12. The mathematical model of non - linear transient magnetic field excited by voltage source is established in this paper. it coupled with electric circuit equation and mechanical motion equation, could solve the transient problem excited by voltage source, and the effect of the eddy currents, non - linearity in magnetic materials and mechanical motion of medium is taken into account

    文中建立了電壓下的非線性瞬態場的數學模型,通過把瞬態場方程、電路方程及機械運動方程耦合在一起,得出求解電壓下,考慮鐵材料的非線性、導電媒質的渦流及媒質機械運動等條件下的瞬態過程問題。
  13. Then the solving procedures of these bies by the rwg functions based moment method are elaborated, and the method of modeling complex objects built of arbitrary line, surface and volume structures is developed. in order to solve realize antenna and circuit problems, methods of adding excitations and concentrated loadings with moment method are deceloped, and matrix pencil ( mp ) method is used to deembeded the s prameters of antennas and circuits from the computed current distribution. some numerical results of practical complex antenna and scattering problems are presented to illustrate the veracity and effectiveness of the method

    在第一部分中,首先從電場的基本理論出發,基於等效原理和邊界條件以統一的方法建立了用於分析金屬、介質及金屬與介質混合結構的邊界積分方程,並歸納和比較了各類積分的適用范圍和優缺點;在此基礎上,給出了使用基於rwg函數的矩量法求解各種邊界積分方程的一般過程;研究了具有任意線、面、體組成的復雜結構的電建模方法,並給出了各種多面連接情況下基函數和未知量的選取方法;研究了使用矩量法分析電路、天線問題時集總元件和的處理方法,並基於矩陣束方法( matrixpencilmethod )提取了電路和天線問題的s參數;最後通過分析一些工程中的復雜金屬天線問題和具有「金屬與介質混合結構」的散射和天線問題驗證了方法的準確性和高效性。
  14. Design of the sine and cosine precision reference of high precision excitation power supply with closed loop control

    高精度閉環正餘弦精密基準的設計
  15. Then the derivation of local illumination source is reported, the near - field electromagnetic scattering characteristics of some electrically large structures are calculated and analyzed

    論文在推導出實現局部照射的的基礎上,計算並分析一些電大結構的近場局部照射下的電散射特性。
  16. The excitating power source also is key when measured magnetization characteristic. we developed the excitating power that applies to the sst by ourselves

    在進行化特性測量時,也是關鍵的一部分,我們自行研製了適用於單片測量裝置的高功率
  17. Study on the robust problem of the excitation power supply with closed loop control

    閉環魯棒問題的研究
  18. Aiming at the scheme of the signal electromagnetic environment simulator of the wireless communication system, the mission of this project is to design and realize twenty - four frequency synthesizers, which must meet high expectation for the phase noise characteristic and the spurious repression characteristic of the output clock signal. these frequency synthesizers provide the moving of the basic signal generating modules to radio frequency with stable inspiring source

    本課題的任務是針對通信信號電環境模擬器系統的方案要求,設計實現24個(頻率分佈在260mhz 1430mhz之間)對輸出時鐘信號的相位噪聲特性、雜散抑制特性等要求都很高的頻率合成器,為基本信號生成模塊到射頻的搬移提供穩定可靠的
  19. Because of a large number of data processing to carry out, tms320c5402 dsp, electromagnetic ultrasonic transducer, oscillatory source circuit, receive signal disposal circuit, a / d, sram, flash memory and display circuit are selected to design the prototype of a machine of the real - time measurement system

    由於要進行大量的數據處理,硬體電路採用了ti公司的tms320c5402dsp作為核心處理器件,輔以電超聲換能器、電路、接收信號調理電路、 a d 、 sram 、 flashmemory及顯示電路,設計出實時檢測系統的樣機。
  20. The paper proves that in the 2d non - linear case, the coulomb gauge is been meet naturally. in the paper, the second - order isoparametric fem is adopted in the non - linear transient magnetic field simulating excited by current source and the results of transient field and static field solved by the second - order isoparametric and linear fem are compared and analyzed, besides, the effect of the eddy currents in the magnetic materials of the different conductivity is analyzed, it is obtained that the magnetic material of high magnetic conductivity and low loss should be chosen in designing of pma

    文中採用二次等參元有限元法推導出在電流下的非線性瞬態場的計算方法和編制了相應的計算程序,並採用二次等參元有限元法和雙線性有限元法分別對瞬態場和靜態場進行了計算,並對計算結果進行了誤差分析,此外,還對不同電導率的導材料中渦流產生的影響進行了分析,得到結論設計永操動機構時,應選擇導性能好,損耗低的導材料。
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