transformation of wave 中文意思是什麼

transformation of wave 解釋
波型變化
  • transformation : n 轉變,變化;變形;【生物學】(尤指昆蟲的)轉化,變態,改造,改革;變質;【數學】變換;【電學】...
  • 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. Abstract : the more detailed mathematial derivation and analysis of watson transformation in diffraction theory of ground wave is made by two different method. in derivation necessary and approximate conditions requred to make the transformation are specially discussed

    文摘:採用兩種不同的方法對地波繞射理論中的瓦特松變換問題做了較詳細地數學推導,並著重討論了做瓦特松變換的要求的必要條件與近似條件。
  2. Firstly we deduce hyperbolic function transformation and then apply to a class of reaction diffusion equation and brusselator reaction diffusion model which has physics, chemistry and biology significance. thus we obtain many new exact and explicit solutions ( including solitary wave soluiton, peoiodic wave solution and rational functions solutions ) to above equations

    推導出了雙曲函數變換,利用此方法探討了一類反應擴散方程, brusselator反應擴散方程這些具有物理、化學、生物意義的方程的精確解(包括奇性孤波解,周期解和有理函數解) 。
  3. In this paper, i consider the traveling wave solutions and peakons of the generalized camassa - holm ( gch ) equation and give the express of the solitons of this equation. the peakons and their figures of the gch equation are given with the mathematic software for m - 1, m = 2 and m = 3 in particular ; for m = 3, i get the generalized dissipative camassa - holm equations by adding a dissipative term and find two types exact traveling wave solutions of this equations. i also apply the homogeneous balance method into the gch equation so that i get a group of smooth solutions for m = 2 and m = 3 and the backlund transformation for m - 3 of the gch equation

    本文研究廣義camassa - holm ( gch )方程的行波孤立子解及尖峰孤立子解,給出gch方程的行波孤立子解的表達式,特別的,對m = 1 、 m = 2 、 m = 3時利用mathematica數學軟體進行計算,解出了gch方程的尖峰孤立子解,並給出了此時gch方程的尖峰孤立子解的圖形,使數值分析和理論相結合;對m = 3時的gch方程增加一耗散項u _ ( xx )后得到廣義耗散camassa - holm方程,並解出此方程的兩類精確行波解;本文將齊次平衡法應用到gch方程中,解出m = 2 、 m = 3時的gch方程的一組光滑解,同時應用此方法得到了m = 3時的gch方程的backlund變換。
  4. The computer speed is speeded up. the numerical results of the present models are in agreement with the theoretical solution and those of physical models. systematical numerical tests show that the present models can reasonably simulate the wave transformation, such as shoaling, refraction, diffraction, reflection, effect of currents and so on

    比較詳細的模型驗證與應用表明,模型的數值模擬結果與解析解、物模實驗值吻合良好;可以較好地模擬波浪傳播過程中的淺水變形、折射、繞射和反射等多種現象;能正確合理地反映水流對波浪傳播的影響。
  5. According to solid - state physics, the physical mode of elastic wave stimulating the nucleation of martensitic transformation had been established, of which the elastic energy release as elastic wave to induce particle displacement and strengthen the condition required by martensitic transformation

    依據固體物理理論,建立了彈性應變能以彈性波的形式釋放,彈性波在奧氏體中傳播引起晶體點陣質粒位移,強化馬氏體相變形核的條件,促進馬氏體相變形核的物理模型。
  6. In view of predecessors " research achievements we put forward a method using square wave excitation and the fast furrier transformation ( fft ) to realize the comparison calibration for the calibration system of piezoelectric accelerometer

    在吸收前人研究成果的基礎上,文中提出了工作用壓電加速度傳感器校準系統應用方波信號激勵,同時應用快速傅立葉變換( fft )的方法來實現比較法校準。
  7. Let the measured bulky error be treated as sudden changing signal, utilizing wavelet transformation could conduct an accurate location on the error point by the use of wave let transformation an algorithm for eliminating data point with measured bulky error was presented, and a discussion was carried out on the selection of wavelet base

    摘要將粗大誤差作為突變信號,利用小波變換可以準確地對誤差進行定位,給出了利用小波變換去除粗大誤差數據點演算法,並對小波基的選取進行了討論。
  8. ( 3 ) the transformation for turbo cycling compressor is designed in both differential pressure seal parts at the inlet and outlet and the connecting construction of the positioning key and turbo cycling compressor casing : replace wave pipe of differential pressure seal parts with asbestos jointing and improve its reliability ; jointing connection of the positioning key and turbo cycling compressor casing has been converted into screw thread connection and avoid the dangers from jointing crack

    ( 3 )從進出口壓差密封部件和定位鍵與外殼間聯接結構兩方面入手,提出了相應的改造方案:將機組進出口壓差的密封部件由波紋管改為石棉填料函,提高了其運行可靠性;將內件周向定位鍵與外殼間的聯接結構由焊接改為螺紋聯接,避免了焊接裂紋引起的安全事故。
  9. The ultrasonic quenching of medium carbon alloy high strength steel 35crmnsi was conducted, using h66025t ultrasonic generator. the result showed the mertensite lath was fined obviously and the nucleation rate was improved. it proved the theory that the propagation of elastic wave in austenite can promote the nucleation of martensitic transformation

    採用h66025t超聲波發生儀,對中碳合金高強度鋼35crmnsi進行超聲波淬火,發現馬氏體板條明顯細化,提高了馬氏體相變形核率,證實了彈性波在奧氏體中傳播促進馬氏體相變形核理論。
  10. 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。
  11. Boussinesq - type equations, which include the effect of the lowest order effects of nonlinear and frequency, has been shown to provide an accurate description of wave transformation in coastal regions

    Boussinesq型方程包含了非線性和色散性,能夠模擬近岸淺水中的各種波浪傳播變形。
  12. By means of the wavelet transformation the deconvolution is done in the time domain. the dispersive properties of the elastic wave within the impacts acted are analyzed, and with the nonlinear optimization method concerned the impact location is identified

    利用小波變換作時域內的解卷積計算,分析了結構在沖擊載荷作用下的彈性波的散射特性,結合非線性優化方法實現了載荷沖擊位置的識別。
  13. Numerical computation is now the most popular method in the study of nonlinear wave propagation and transformation

    數值計算方法已成為研究波浪在近岸的傳播變形及其與障礙物之間的相互作用的主要方法之一。
  14. In order to validate the feasibility of the novel algorithm, ultrawide band pulse wave is used as incident wave. computational domains are limited by absorbing boundary condition. the transformation technique from near zone to far zone is used when the sampling spot is outside of the computational domains

    時域成像技術以超寬帶脈沖源作為入射波源,用吸收邊界條件來界定計算域,而當采樣點遠離計算區域時,需要通過近?遠場的轉換技術把近場等效面上的信息轉換到遠場,本文採用簡單而實用的柱面波外推法作為近?遠場的轉換方法,收到了較好的效果。
  15. According to the mechanism, the nucleation course of martensitic transformation requires energy ( i. e. elastic energy ) propagation in the form of wave in austenite

    按此機制馬氏體相變形核過程中需要有能量(彈性能)以波的形式在母相中傳輸。
  16. Abstract : the propagation of waves passing over the abrupt changing topograghy can be simplified as a wave passing over a step. this flow process can be reasonably simulated by a 2 - d numerical wave flume developed in this paper, especially for the nonlinear transformation of the wave on the step. numerical results have been verified by experimental data

    文摘:波浪在水深劇變地形上的傳播,可以簡化為波浪在臺階地形上的傳播.利用二維數值波浪水槽可以很好地模擬這一過程,特別是對波浪在臺階上的非線性變形.數值計算結果與實驗測量進行了比較,結果吻合良好
  17. The effects of waves transformation, refraction, diffration, reflection and breaking are all due to the depth of water, varying topography, bottom friction, obstacles and current as waves proceed from offshore to near shore regions. some basic parameters which are relevant to the cost of buildings as well as the type of structures are determined by the wave factors since these projects are placed in near shore area, so it is of great importance to study the regularity of wave transforming

    外海波浪傳入近岸淺水區受水深、地形、底摩擦、障礙物以及水流等因素的影響,會發生變形、折射、繞射、反射和破碎等各種現象,然而大部分海洋及海岸工程位於近岸地區,該地區的波浪要素將是確定工程造價、建築物型式等最基本的參數,因此研究近岸地區波浪的變化規律具有重要意義。
  18. The system is compatible with the various different types a / d converters, carry out the functions of the vibration signal sampling, the saving of data file, the timely wave showing, the configuration table edit, the former data return and data analysis etc. the functions of signal analysis include the time field statistics analysis, the time field mutual analyzing, the frequency spectrum analyzing, the relevant analysis, the transmission function analysis, the demodulating analysis, and the short fourier transformation of the time and frequency field etc. experiments verify that the system carry out stably and credibility, various functions is achieved, has precise analyzing results, high calculating speed and high precision, the expected targets have been reached

    該系統可以兼容多種不同型號的數據採集設備,實現了振動信號的採集、數據文件的存儲、波形的實時顯示、組態表編輯、歷史數據回放與數據分析等功能。系統的信號分析功能包括時域統計分析、時域相關分析、頻譜分析、相干分析、傳遞函數分析、解調分析以及時頻分析中的短時傅立葉變換等。經試驗驗證表明,系統運行穩定可靠,各項功能工作正常,數據分析結果準確、運算速度快、精度高,達到了預期設計目的。
  19. Based on the conclusion of wave number analysis, a new dynamic equation taking the measure of structural acoustic performance is obtained by a set of transformation, which is much convenient for us to discuss the noise attenuation

    並依此對機構動態方程進行了改造,得出了一個以機構聲輻射性能的量度為變量的新的動態方程,為後面機構聲輻射控制研究提供了方便。
  20. Based on the optical theory of planar wave - guide, this paper analyzes the transformation of pattern from symmetrical wave - guide to asymmetrical wave - guide. and the result shows that some patterns will radiate from the wave - guide when applying an external force on the sensor

    論文以平面光波導的幾何光學理論為基礎,分析了光波導從( n0 - n1 - n0 )對稱波導向( n2 - n1 - n0 )非對稱波導轉變中導波模式所發生的變化。
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