激勵源 的英文怎麼說

中文拼音 [yuán]
激勵源 英文
driving source
  • : 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...
  • : Ⅰ動 (勸勉) encourage; exert oneself Ⅱ名詞(姓氏) a surname
  • : 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
  • 激勵 : 1 (激發鼓勵) encourage; impel; urge; inspire; excite; stimulate; put one on one s mettle 2 [電...
  1. But it is not the same with surd or the alternation of sonant and surd. on the base of the acoustics, a whole linear time - varying discrete speech produce model is established through anatomising the factors including track, driving source and lip eradiation the mechanism of speech in this paper, and we draw a conclusion that the time between glottal closure is pitch period

    本文從聲學理論出發,剖析了語音產生的機理,綜合考慮聲道、激勵源和嘴唇輻射三方面的因素,建立了一個完整的、線性的和時變的語音產生的離散系統模型,得出兩次聲門閉合事件之間的時間間隔就是基音周期的結論。
  2. Eddy - current sensor conversion circuit consist amplification circuit, band - pass filter circuit, demodulation circuit, differentiation phase and data sampling circuit. these circuits are used to convert the test signal of eddy - current sensor to discrete signal tend to process. the microprocessor system that formed of dsp chip is used to data fitting of test system, data displaying and data communicating with personal computer, etc. the interference questions of hardware design and the measure of eliminating interference signal in the subject are introduced in the last of this chapter

    硬體電路的設計主要分三大部分來實現:激勵源電路部分,由分頻電路和頻率合成電路組成,產生頻率穩定的信號以確保檢測任務的正常進行;傳感器變換電路部分,由放大電路、濾波電路、檢波電路、鑒相電路和數據採集電路組成,主要將電渦流傳感器檢測線圈檢測到的信號變換成只含有被測信息的離散信號,易於后續電路處理;由dsp晶元構成的微處理系統,主要完成檢測系統的數據擬合、顯示及與主機通信等功能。
  3. In order to eliminate the influences caused by temperature, electrode - polarization and autoeciousness - capacitance, the traditional instrument has added complicated circuits so that it cause such shortcomings as big error, time - retardation and a relatively small scope. through the problems caused by 2 - probe electrode and ac current source, a new measuring circuit based on the excitation of bi - directional voltage pulse and the sensor of 4 - probe electrode is proposed, using single - chip to achieve auto - temperature compensation

    作者在參閱國內外大量相關參考文獻的基礎上,從電導測試技術的原理性研究出發,分析了採用交流激勵源、兩電導電極為傳感器的傳統電導測試系統所面臨的種種問題,提出並研製了一種基於雙極性脈沖電壓、以四電導電極為探頭、運用單片機進行溫度自動補償的新型電導率測量系統。
  4. Source excitation and parameter extraction for time - domain simulation of rectangular waveguides

    矩形波導時域模擬中的激勵源設置和參數提取
  5. First, we reviewed the finite - difference time - domain yee ' s method. the difference equations, the stability condition, numerical dispersion characteristics, absorbing boundary conditions, incident wave source conditions and the calculation of the frequency - dependent scattering parameters are discussed

    首先本文回顧了時域有限差分yee演算法,包括時域有限差分的差分方程、穩定性條件、數值色散特性、吸收邊界條件,激勵源的設置以及散射參數的計算等。
  6. 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,在混合激勵源情況下,分析計算了可控電抗器的磁場和電感參數,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磁參數計算中的應用價值。
  7. Abstract : “ high pressure oil shock ” has been found to be the major source of shock noises in the rotary piston vacuum pumps. recently, we found that the oil shock may shift forward. here, the high pressure oil - shock and the formation mechanism of three other types of shock were analyzed so as to reduce the vacuum pump noises

    文摘: 「高速油液沖擊」是滑閥真空泵沖擊噪聲的主要激勵源,通過試驗發現了這一沖擊的前移現象,並進一步分析了高速油液沖擊和其他三種沖擊的形式,為降低滑閥真空泵噪聲提供了可靠的依據。
  8. Multiple activation is that several piezodielectric ceramics are used as excitation sources, the neighboring piezoelectric discs used as sensors to record the propagating waves, and one piezodielectric ceramic act as both excitation source and response source, which can be used alternatively to form multipoint excitations and multipoint responses

    是指用多個壓電陶瓷做為激勵源,而且每一個壓電陶瓷都可以同時作為和響應,可以輪換使用,因此是多點,多點響應。
  9. The conformal microstrip antenna with some unique character has been applied in many fields, especialy on speedy objects. in this paper, an efficient fdtd algorithm is introduced to analyse the microstrip antenna. firstly, the fdtd formula in descartes coordinate system and in cylindrical coordinate system are obtained from the time _ dependent maxwell equations using the yee algorithm in a calculating region where the dielectric parameters are independent of time and space. the choice of the space discretization units and the time discretization interval are discussed which are decided by the accuracy and stability respectively. the shape and setup of the excitation source are discussed too. the excitation source is chosen to be gaussian pulse in shape. secondly, the mur ' s first - order and second - order boundary condition are deduced in cylindrical coordinate system. the methods of transforming radiation fields from near zone to far zone in the frequency domain and in the time domain are presented when fdtd is applied to analyse the characteristics of far zone. finally, three kinds of microstrip antennas are analysed. they are a slot antenna that lies on a plane ground of a microstrip, a slot antenna that lies on a cylindrical ground of a microstrip and a microstrip line _ fed aperture coupled stacked rectangular patch antenna in cylindrical coordinate system

    本文從麥克斯韋旋度方程出發,建立了笛卡兒坐標下無空間中均勻無耗媒質的fdtd基本方程和圓柱坐標下無空間中均勻無耗媒質的fdtd基本方程,詳細討論了fdtd法計算中時間步長和空間步長的選取原則以及激勵源的類型和設置;推導了mur一階和二階邊界條件在圓柱坐標下的差分格式;給出了在用fdtd法計算天線的遠場輻射特性時必需採用的頻域和時域近場遠場變換技術;最後用fdtd法計算了平面微帶縫隙天線、柱面共形微帶縫隙天線和柱面共形微帶層疊天線的輸入阻抗和遠區輻射場,並分析了天線的一些參數的變化對天線輸入阻抗的影響,得出了一些有用的結論。
  10. The device used transducer as power can gain great amplitude effectively and output great power

    採用夾心式換能器作為激勵源能有效地獲得大振幅振動,並提高機電耦合效率。
  11. Theoretically, the main work is the simulation of source excitation. by comparing the advantages and disadvantages of previous methods of source simulation, a novel simulation method of excitation source is presented. the details of the application to microstrip feed, waveguide feed and coaxial - cable feed using this simulating method are given

    在fdtd用於天線計算理論研究中本文重點研究了激勵源設置問題,比較了現有的各種激勵源設置方式的優缺點以及它們的適用范圍,在此基礎上,提出一種新的激勵源設置方法,並將其推廣到微帶線饋電、波導饋電、同軸線饋電等天線的通用饋電方式。
  12. 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激勵源及matlab建立的模型,求解某些結構在局部照射下的電磁散射特性。
  13. Through analyse, the thermal prompting source of infrared bulbs was improved on. the time controller can control the loading time, which was one components of the device of infrared bulbs. the improved thermal prompting source can fit the change fo size of object

    通過分析,對紅外燈的熱激勵源進行了改進,使其由時間控制器控制加載時間,使其能滿足試件大小要求,形成空間梯度小,時間梯度大的均勻溫度場分佈。
  14. This paper focused on such problems as mixing models of sources of rotation machines ( including vibratory and acoustical sources ) and their waveform restoral

    摘要重點討論了旋轉機械(包括振動激勵源與噪聲)混合模式及波形恢復問題。
  15. Automotive powertrain is a main source of automotive vibration, which takes an important influence on automotive comfort. proper design of automotive powertrain would greatly reduce the vibration of automotive powertrain and body

    汽車動力總成是汽車的主要振動激勵源之一,對汽車的乘坐舒適性有很大的影響,合理的汽車動力總成懸置系統的設計可以明顯的降低汽車動力總成和車體的振動。
  16. Abstract : based on analyzing the fault mechanism for fire - loss bush of the main bearing in nd2 diesel engine, the paper firstly presents the relations between exciting source of vibration and fire - loss bush fault ; then introduces experiments on vibration detection and diagnosis of the engine ; finally, the results show that the condition of fault for the main bearing can bediagnosed through detceting the vibration of engine base surface

    文摘:在對nd2機車柴油機滑動主軸承燒瓦故障機理分析的基礎上,闡述了柴油機的振動激勵源及特徵量與燒瓦故障之間的關系,並介紹了柴油機的振動監測與診斷的試驗研究,試驗結果表明:利用機座外表面的振動特性的變化可以診斷出機車柴油機主軸承的故障狀態。
  17. Adopting the track irregularity to the actuator sources of system, then simulate the track irregularity and check the validity of simulation, at the same time compute the dynamical response and evaluate the statistic rules of wan zhou yangtze river bridge in the condition of high speed vehicles

    採用軌道不平順作為了系統的激勵源,模擬出了軌道不平順年並檢驗了模擬的正確性,評價了萬州長江大橋在車輛高速行駛狀態下的動力響應和統計規律。
  18. 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,首先從電磁場的基本理論出發,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磁建模方法,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激勵源的處理方法,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。
  19. Continuous exciting source

    連續激勵源
  20. Hardware is composed of four elements : computer, ir thermal instrument, pcb, and power supply

    硬體部分主要由計算機、紅外熱像儀、印製電路板和激勵源4部分組成。
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