excitation process 中文意思是什麼

excitation process 解釋
興奮過程
  • excitation : n. 1. 刺激,興奮,激發,鼓舞。2. 【物理學】激發;【電學】激勵、勵磁。3. 【植物;植物學】激感(現象)。
  • process : n 1 進行,經過;過程,歷程;作用。 2 處置,方法,步驟;加工處理,工藝程序,工序;製作法。3 【攝影...
  1. Fourthly, according with the analyzing of flow measurement, we research the main problems needed to be solve in the process of measurement, such as analysis and measurement of the internal resistance, selection of excitation frequency, stable signal datum mark and restraining common mode interference, restraining for serial mode interference and working frequency interference ; transporting and shielding the flow signal, constant current excitation and magnetic field equalizing, flow measuring

    第四,根據對流量測量問題分析的,深入研究了設計過程中需要解決的主要問題。如內阻分析與測量;勵磁頻率的選擇;穩定信號基準點與抑制共模干擾;串模干擾與工頻干擾抑制;流量信號傳輸與屏蔽;恆流勵磁與磁場補償;流量測量點的選擇等。
  2. This resonance structure results from the interference between a photoionization process or a photoionization with excitation process and a resonant auger process

    這一共振結構是由於光電離過程或光電離激發過程與auger共振過程相互作用的結果。
  3. Test technique of acoustic excitation presented in this paper can discriminate if the adhesive structure is intensional enough to endure certainty draw strength, through a series of process, for example bringing draw strength to bear on adhesive structure. testing signal through microphone array, choosing signal ' s character, recognizing automatically through manual nerve network, and so on

    本文介紹的粘接構件聲激勵檢測方法,通過對粘結結構施加微力、陣列傳聲器檢測信號、信號的特徵提取、人工神經網路的分類識別等一系列過程,完成了粘接結構承受拉脫力合格與否的無損預報。
  4. The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault , researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system , a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows : this paper compared some existing methods in excitation control , fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 , indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which , discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations , made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations , which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations , there were several very important parameters of power system - - rotor angle ( ) , rotor speed ( ) , generator q axis voltage ( eq ) , transient voltage ( e ' q ) , active power ( pe ) , mechanical input power ( pm ) , valve opening ( ) , generator terminal voltage ( vt ) , based on the model , nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault , which achieved better postfault regulation compared with another two routine methods , one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either

    在介紹逆系統理論的基礎上,詳細介紹了dfl理論,通過比較闡明了dfl理論其本質是逆系統方法的一類,並結合具體課題推導出的模型方程將dfl理論進行了擴展,使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程,此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ,在此基礎上建立了實用的電力系統簡化的數學模型,並將擴展的dfl理論應用於此模型系統,結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制器及機端電壓最優控制器,通過模擬實驗與採用常規的按電壓偏差進行調節的比例式勵磁控制器+汽門比例控制及採用常規的按電壓偏差進行調節的比例式勵磁調節器和基於二次型性能指標設計的最優快控汽門(考慮發電機的飽和因素)進行了對比,證實了採用此種控制器可以有效地提高電力系統的暫態穩定性,並且在電力系統遭受小干擾時同樣具有良好的調節性能。
  5. We select fpga of type xc3s200 as hardware to design the coder and display the hardware resources inside, moreover study the method and steps of designing dsp, based on fpga, by using system generator, finally, it emphasizes the design process of multi - band excitation vocoder. we can work out the module of high pass filter and the module of low pass filter, module of divide frame, module of keynote rough estimate, module of keynote fine estimate, module of band - separated v / u judgment / verdict and module of band - separated amplitude estimate, by using simulink, ise and system generator

    本文選用型號為xc3s200的fpga作為設計編碼器的核心硬體,介紹了其內部所含的硬體資源,並研究了利用systemgenerator基於fpga設計dsp的方法和步驟,最後,本文把重點放在多帶激勵語音編碼器的設計上,利用simulink , ise和systemgenerator分別設計其中的高通低通濾波器模塊、分幀疊加模塊、基音粗估模塊、基音精細估計模塊、分帶v / u判決模塊、分帶幅度估計模塊。
  6. 4. the nanoparticles of zns : eu3 + were synthesized for the first time. the energy transfer process between the zns host and the eu3 + ions was observed form the excitation spectra

    合成納米zns : eu3 +和eu3 + 、 mn2 +共摻體系,首次成功通過eu3 +離子的本徵發光的激發譜觀察到基質zns向eu3 +離子有能量傳遞過程。
  7. Magnetic head is designed by six magnetic poles in symmetrical distribution, the design of excitation loop and excitation angle makes magnetic field act on welding arc region which could control welding arc effectively. the insulation, cooling and hermetization of magnetic head avoid the influence on magnetic field of outside ; miniaturization design of magnetic head could achieve different welding process

    磁頭裝置採用六磁極對稱勵磁方式設計,勵磁線圈和勵磁角度的設計使產生的磁場恰好作用於焊接電弧區域以實現對電弧的有效控制;磁頭的絕緣,冷卻,密封設計避免了焊接過程中外界因素對磁場的干擾;磁頭整體的小型化使該裝置可以實現多種形式的焊接工藝。
  8. Based on priestley ' s evolutionary spectrum theory, an evolutionary process modulated by decline composite exponential function, is investigated as one kind of non - stationary excitation commonly encountered in engineering, the analytical solution of the response properties is gained due to proper simplification

    基於priestley的演變譜密度理論,對于工程中常用到的衰減指數函數調制的演變過程激勵,可以通過對結構響應的合理簡化,得到響應特徵的解析形式。
  9. Sound synthesis techniques for physical model are research subjetcs based on acoustics and elastic dynamics and mathematics and signal process. they start from a continuous model for the vibrating body, given by partial differential equation dependent on elastic dynamics, and take its initial and boundary conditions, as well as excitation functions into account

    基於物理模型的聲音合成技術是建立在聲學、力學、數學和信號處理等理論基礎之上的一門科學,它主要根據力學原理,通過振動偏微分方程、振動體的邊界條件、振動的初始條件和激勵條件來描述物體的振動物理特性。
  10. Abstract : graph of excitation function can be expressed in the continuous time domain by using the superposition theorem, this method can also simplify process and avoid using the separate steps. it is explained by examples in the paper

    文摘:用疊加原理表示連續時域內電路中的激勵函數,可以避免分時域和分步討論的麻煩,結合實例對該方法加以論述說明
  11. In present dissertation, dynamical process of transition from the vortex state to the core state with lower energy and no angular excitation after removing the external rotating perturbation which makes the vortex state formed in bec is discussed firstly

    論文首先討論外界旋轉的微擾使bec產生渦旋,之後被撤掉,渦旋態向能量低、無角動量激發的核心態躍遷的動力學過程。
  12. In the photoluminescence ( pl ) spectra, a new emission band due to the exciton - exciton collision process ( p band ) is observed under low excitation intensity at room temperature. and some fine structures origination from the cavity modes of the fabry - p rot etalon could also be seen clearly

    在單根zno微柱(直徑有25 m )的p帶發光峰上還可以觀察到明顯的f - p腔模式分佈,通過計算得到其腔長為21 m ,同微米柱的尺寸相當。
  13. Research on transient process of rlc second order circuit under sinusoidal excitation and non - zero state

    正弦激勵非零狀態下的二階電路暫態過程的研究
  14. Pseudo excitation method ( pem ) is used, thus one random process excitation can be transformed into a deterministic transient excitation, so the joint - random problem is turned into a single - random problem accurately, it can be solved easily by means of perturbation method and sequence orthogonal decomposition theory respectively. the probabilistic approach is used to transform stochastic optimization into deterministic optimization, therefore the optimization can be achieved through multiple objective decision making theory

    以虛擬激勵法為基礎,將隨機過程激勵轉化為確定性動力激勵,從而將復合隨機問題精確地轉化為僅結構參數具有隨機性的問題,分別利用攝動理論和次序正交分解理論推導了確定性動力激勵下隨機結構響應特徵,採用概率方法將隨機優化問題轉化為確定性優化問題,從而可以通過多目標決策理論進行結構優化設計。
  15. The stochastic structure and stochastic intelligent truss structure are taken as research object in this paper. the analytical model and method of the structural dynamic characteristic are investigated. when the applied forces are random excitation or random process ( stationary random process or non - stationary random process ) excitation, the structural dynamic response, the active vibration control for the intelligent structure, the optimal placement of the sensor and the actuator and the optimization of the feedback gains of the closed loop control system for the intelligent structure, and the effects of the structural parameters on the active vibration control et al are all studied systemically

    本文以隨機結構和隨機智能桁架結構為對象,對結構動力特性分析模型與求解方法進行了研究;對結構在隨機力或隨機過程(平穩隨機過程或非平穩隨機過程)激勵下,結構的動力響應、結構的振動主動控制、智能結構中作動和傳感元件配置位置與閉環控制系統增益優化、結構參數對振動主動控制效果的影響等問題開展了全面而系統的研究。
  16. Experiments with controlled excitation of primary and secondary instabilities have been performed to study the process leading to the final breakdown of laminar swept wing flow. two types of high frequency secondary instabilities are identified

    在人工激勵激發基頻與定常擾動條件下,施加高頻人工激勵,研究附面層流流動在高頻二次不穩定性擾動的發生與增長過程。
  17. It ’ s important for us to analyze the dynamic excitation - loss process precisely. in this paper, by use of the selected blocks from power system library in matlab, the author sets up a generator - infinite system and simulates the loss of excitation fault

    目前低勵失磁保護誤動、拒動的情況時有發生,為了對保護判據進行合理改進,就要深入研究失磁的動態過程。
  18. Measurements had been performed under a ps laser excitation at 1064nm and 532nm using the z - scan technique. the real part of x ( 3 ) showed positive nonlinearity for both measured wavelength. nonlinear absorption evidently existed that attributed to saturation absorption process

    在1064lun和532run激光波長下,多孔硅的實部均為一個正值,樣品存在明顯的非線性吸收,這種吸收與飽和吸收相對應。
  19. A six - order dynamic model is established for a single - machine infinite bus system with parallel ac / dc transmission lines, in which the dynamic regulating process of the generator and hvdc are considered comprehensively, and the excitation controller is neglected

    基於單機無窮大交直流並聯系統,忽略勵磁控制器,綜合考慮發電機和直流輸電系統的動態調節過程,建立六階動態模型。
  20. The main works are organized as follows : a nine - order dynamic model is established for a single - machine infinite bus system with parallel ac / dc transmission lines, in which the dynamic regulating process of the generator, excitation controller and hvdc are considered comprehensively

    論文的主要內容包括:基於單機無窮大交直流並聯系統,綜合考慮發電機、勵磁控制器和直流輸電系統的動態調節過程,建立九階動態模型。
分享友人