phase of wave 中文意思是什麼

phase of wave 解釋
波相
  • phase : n 1 形勢,局面,狀態;階級。2 方面,側面。3 【天文學】(月等的)變相,盈虧;【物、天】相,周相,...
  • of : OF =Old French 古法語。
  • wave : n 〈美海軍〉女志願軍人〈見 WAVES 條〉。n 1 波浪;碎浪; 〈the wave(s)〉 〈詩〉海。2 波動;波狀...
  1. Shock wave compression technique has play an important role in the understanding of the material composition thermodynamic state and physical properties of the earth ' s ulterior. in this article, the stabling of high - pressure phase of one of the main candidate materials of the earth ' s lower mantle ? enstatite ( mg0. 92, fe0. 08 ) sio3 were investigated through the experimented measurement of hugoniot equation of state, and together with thermodynamic calculation and analysis

    本學位論文以沖擊壓縮技術為手段,從測量其hugoniot物態方程入手,結合高壓物理和熱力學理論分析,較深入地研究了下地幔中的一種主要候選組分頑火輝石( mg _ ( 0 . 92 ) , fe _ ( 0 . 08 ) ) sio _ 3在與下地幔大致相當的溫度壓力條件下的相態-鈣鈦礦型結構的相穩定性。
  2. The experiment show that cr : sbn crystal has super characteristic of four - wave mixing to produce the phase - conjugate wave. we study the dependence of the phase - conjugate reflectivity of 1000ppm cr : sbn crystal on the parameters of incidence light such as light intensity ratio and the angle of incidence

    研究了摻雜量為500ppm的cr : sbn晶體的四波混頻相位共軛特性,發現該晶體的四波混頻特性不如摻雜量為1000ppm的cr : sbn晶體。
  3. It has many potential applications, including self - adaptive optics, optical computing and optical communications, image processing and real - time holography. in this thesis, we investigate the properties of the phase - conjugate wave produced by the self - pumped in cu : knsbn crystal and by the four - wave mixing in cr : sbn crystal

    光折變晶體具有非常大的非線性光學系數,是一種理想的相位共軛材料,因而被廣泛地應用於自適應光學、光計算、光通訊、圖像處理、實時信息處理等許多方面。
  4. In order to analyze the effect of aberration of amplitude and phase of laser beam on centroid position of focal spot, based on the fraunhofer formula for light wave scaler diffraction theory, according to the definition of first order moment centroid position, the general expression of focal spot centroid position directly depending on the complex amplitude of near field is derived

    摘要為分析振幅和相位發生畸變情況下光束焦斑質心位置所受的影響,以光波標量衍射理論中的夫瑯和費衍射公式為基礎,根據光斑強度分佈一階矩質心位置的定義,推導了直接依賴于光束近場復振幅分佈的焦斑質心位置的一般表達式。
  5. Then, this thesis presents an algorithn of 2 - terminal quantity fault location based on synchronous gps sampling. this algorithm conducts fault location with only the 3 - phase fundemental wave voltage and current phasors of the 2 terminals of transmission lines and apples to lines of both symmetrical and asymmetrical parameters, irrelerant to the impedence, fault types and transitional resistance of the 2 terminals of lines

    然後,本文提出了一種基於gps同步采樣的雙端量故障測距演算法。該演算法僅利用輸電線路兩端的三相基波電壓、電流分量來進行故障定位,不受線路兩端系統阻抗、故障類型、過渡電阻等因素的影響,對參數對稱線路和非對稱線路均適用。
  6. The main working procedure of the fiber - optic sensor is : the sensing element detects the acceleration signal, this signal modulates the phase of the wave, and the phase change is corresponding to the acceleration signal

    該光纖加速度計的工作過程為:敏感元件感受外界的加速度信號,並把它轉化成馬赫-增德爾干涉儀測量臂的拉伸或壓縮,從而引起測量臂中的光波相位變化,相位變化量即代表被測加速度值。
  7. In this section, with time _ sharing method and the symmetry of sine wave, the look - up table needed to generate three - phase sine wave is reduced to one twelfth of the table before, and the optimization will have no any effect on precision, at the same time, the generation way of the monopolar spwm is improved

    在這一部分,還對產生二相正弦波的正弦表進行了優化,利用分時復用和正弦波的對稱性,把所需的正弦表減少為原來的1 / 12 ,並保持優化后的精度不變。同時改進了單極性spwm的產生方法。
  8. Abstract : by employing the concept of photon flux, the evolution of the phase and photon flux in the eigenmode state in three - wave mixing, and the requirements for the initial phase and photon flux in this state, are studied in the paper. a special state in which there are only exchanges of the photon flux but no phase variations in the three - wave mixing process is investigated. an all - optical switch based on the eigenmode pushpull nonlinear - optical - mirror is presented, and the properties of this all - optical switch are numerically calculated. the numerical results show that the performance stability is extremely good, and the intensity and phase of the output signal beams can be easily realized and controlled

    文摘:利用光子流概念研究了三波混頻中本徵模狀態的相位和光子流的變化,以及該狀態對光波的初始相位和初始光子流的要求,研究了三波混頻中只有光子流的交換卻沒有相位變化的特殊狀態,提出了本徵模狀態推拉式非線性光環鏡的全光開關,並數值計算了這種全光開關的性能,數值結果表明,該光開關的性能穩定性好,並且易於實現和控制輸出信號光的光強及相位
  9. We discussed the main characteristic parameters of seismic kinesiology and dynamics of mine engineering fracture zone, including relative amplitude, phase time of wave crest, similarity factor, principal frequency band energy, 3 - d space time gradient and coherent coefficient et al., and puts forward the processing method of 3 - d seismic characteristic parameters about denoise - smoothing, generalization, correlation analysis, characteristic transformation ; and presents the method of pattern recognition of mine engineering fracture zone

    摘要本文從時間域、頻率域、三維空間域介紹了礦山工程裂隙破碎帶主要的地震運動學、動力學屬性參數,包括相對振幅、波峰相位時間、相似系數、主頻帶能量、二維空間時間梯度和相干系數等,提出了礦山工程裂隙破碎帶三維地震屬性的去噪平滑、歸一化、相關分析、特徵變換的處理方法以及裂隙破碎帶的模式識別原理與方法,並用實例說明了該方法的應用效果。
  10. At 1 mile from a 1-megaton explosion, for example, the duration of the positive phase of the blast wave is about 2 seconds.

    例如在離一枚一百萬噸爆炸一哩的地方,爆震波的正延續時間約為2秒。
  11. 2. firstly this paper introduce the whole machine balancing principle and method for dual - rotor systems with little rotating speed difference firstly, then discuss key points such as picking up base signal, picking up " pai " signal, measuring rotor speed, capturing the value of wave crest and through, calculating the phase values of unbalanced weight, processing odd phases and finding each rotor ' s amplitude. on the foundation of above theories, using signal process technique and chip microprocessors technique, we developed a portable intellectual instrument, the first domestic device. which can balance dual - rotor system with little rotating speed difference quickly and accurately

    本文從不解拍整機動平衡原理出發,在詳細討論基準信號、拍振信號的提取;轉速的測量;拍峰、拍谷的捕捉:不平衡相位的求法、特殊相位角的處理;內、外轉子幅值的確定等關鍵問題的基礎上,應用信號處理技術和單片機技術研製成功國內第一臺性能穩定、操作簡單、成本低廉且平衡速度快,平衡精度高的便攜式微速差雙轉子現場整機智能動平衡儀。
  12. J22 well area geology condition is superior, forward modeling, earthquake attribute analysis, seismic phase analysis, wave impedance inversion are applying to the qualitative analysis and the rational description to the sand three center 3 granulated substance groups reservoir on the basis of the achievement of utilizing geology, well logging and mud logging combined with fine structure research, advantageous belt of the development of lithologic trap has been pointed out and the very good effect of detecting the position of exploration well has been obtained

    摘要j22井區地質條件優越,在充分利用地質、測井、錄井等成果的基礎上,應用模型正演、地震屬性分析、地震相分析、波阻抗反演、三維可視化等技術,對沙三中3砂組儲層進行了定性分析和定量描述,結合精細構造研究,指出了構造巖性圈閉發育的有利區帶,落實了勘探井位,取得了很好的效果。
  13. When the analyzer was located in four angles, a photoelectric detector was used to gather the energy of laser, so we can calculate the retardation of wave plate with the phase shifting

    測量裝置採用了步進電機帶動檢偏器旋轉,運用光柵編碼器測角裝置測量檢偏器的轉動角度,使用光電探測器採集檢偏器在四個方位角度的光強值,根據移相演算法得出波片的相位延遲角。
  14. By the use of the jones matrix of wave plates, the common measurement formula of wave plates was introduced, and a novel method based on phase shifting was proposed to measure the phase retardation for many kinds of wave plates

    在波片測量時,無需被測波片的光軸和補償片的光軸成45要求,即不必知道波片的具體快慢光軸方位,只要將波片平行放入。
  15. A coherent electromagnetic pulse in the range between the far - infrared and microwave region is used as a detection source. the amplitude of the wave is recorded by electro - optical or photoconductive sampling. after fast fourier transform, the amplitude and phase of the wave is given, then the complex refractive index standing for the absorption and dispersion of the material in thz region is extracted

    Thz ( 10 ~ ( 12 ) hz )時域光譜技術是20世紀90年代發展起來的一種新型的光譜測量技術,它使用頻率介於遠紅外和微波之間的相干電磁輻射脈沖作為探測源,利用電光取樣或光電導取樣的方法直接記錄thz輻射電場的振幅時間波形,通過傅立葉變換得到測量信號振幅和相位的光譜分佈,進而獲得材料在thz波段的復介電常數,即色散及吸收等信息。
  16. In the phase of training, it gets the sampling data from the wave files which were stored in the voice library by using the mci functions. then calculates the character vector ( 12 ranks of lpc and lpcc ) and trains them by clustering method, so we get the templates used by speech - recognition, this templates were stored in the template library. in the state of recognition, after calculating the character vector of input voice, we compare it with the character vectors of templates, and then find the best one or refuse it

    系統的組成模塊與語音識別系統的基本構成模型基本一致,在訓練過程中,通過調用mci ( mcimultimediacontrolinterface )提供的函數從語音庫中的波形文件中讀取采樣數據,分幀計算出由12維線性預測系數和12維線性預測倒譜系數構成的特徵矢量,並按照聚類的方法進行訓練,得到后續語音識別時需要的模板,存放于模板庫中。
  17. Then, by seismic numericac simulating of the buried hill surface and its internal phase and analysis of characteristic of wave - field, the wave - field charalteristic of the buried hill ' s surface is different to the characteristic of the buried hills " internal phase, and the change of amplitude and frequence is bigger than that of velosity which proves further that dynamical characteristic is more sensitive to fracture than kinetic characteristic

    進而通過潛山面和內幕地面地震記錄的數值模擬和波場特徵分析表明,潛山面和潛山內幕裂縫介質的波場特徵是不一致的,振幅和頻率的變化量大於速度的變化量,從而更進一步證明,對于裂縫的敏感性,動力學特徵優于運動學特徵。
  18. The holographic wavefront recording process records the interference pattern of the object and the reference waves, and thus forms the hologram, which simultaneously records the information about the amplitude and phase of the object waves ; the holographic wavefront reconstruction, by means of the diffracted waves, can reconstruct the original object wave from the hologram illuminated by lights

    全息波陣面記錄將物光和參考光以干涉條紋記錄成全息圖,此全息圖同時記錄了物光波的振幅和相位;全息波陣面重現,就是用光波照射全息圖,通過光的衍射,從全息圖中再現出原始物體的光波。
  19. This paper put forward the realization method of a kind of multi - function general use inverter system which added other functions based on the independent sine wave inverter, it not only can be used as independent inverter power supply but can be used as an in - support mode ups which realize synchronous with the phase of power grid voltage and realize to switch with power grid mutually, it also can realize three phase ac output by the combination of three synchronous inverters, experiment proved it in this way has a stronger ability of resisting three phase unbalance load

    本文提出了一種基於獨立正弦波逆變器的功能之上復合其他功能而成的多功能通用逆變電源系統的實現方法,此系統不僅可以作為獨立逆變電源使用,還可以與電網電壓的相位同步,作為后備式正弦波ups使用,在逆變電源和電網的相互切換時能做到對負載無影響,同時還可以由三臺逆變器進行組合自同步實現三相對稱交流輸出,實驗證明這種方式具有較強的抗三相不平衡負載的能力。
  20. In photorefractive crystal light illumination changes the refractive index of the crystal due to linear electrooptical effect, which in turn changes the light distribution. as a result of the development of this process, a beam, called the phase conjugation wave, leaves the crystal back along the direction of the incident beam and is its phase conjugate replica

    光折變晶體在光輻照下,通過晶體中的線性電光效應而產生折射率隨光強的空間分佈而變化,即在晶體內建立起體相位柵。
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