wave by wave method 中文意思是什麼

wave by wave method 解釋
逐-波浪法
  • 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...
  • by : adv 1 在側，在旁，在附近。2 （擱）在一邊，（放）到旁邊，（存）在一旁；收著。3 （由旁邊）經過，過...
  • method : n 1 方法，方式；順序。2 （思想、言談上的）條理，規律，秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. The calculation results indicate that the starting performance of forebody / inlet with wedge - shaped lip is better than that with plane lip at low flight mach number. at high flight mach number, the performance of the forebody / inlets designed by the two methods is approximate. at low flight mach number, the starting performance of forebody / inlet designed by the method of constant shock wave intensity is better

    結果表明：唇口帶楔角的進氣道在低飛行馬赫數下的起動性能優于唇口平直的進氣道；採用等激波強度和等激波角度方法設計的進氣道在高飛行馬赫數下的性能相近，在低飛行馬赫數下，採用等激波強度方法設計的進氣道起動性能較優。
  2. Second, we discuss the influence of environmental referance potential temperture and thermal wind on mesoscale symmetric instability. we find the expression of disturbance stream function and criterion of symmetric instability by analytical method and conclude that change caused by environmental referance potential temperture with height and thermal wind make critical richardson number and disturbance critical half - wave length of symmetric instability larger, that is to say, they benefit the occurance of symmetric instability. third, we study nonlinear perturbation analysis of mesoscale vertical circulation and evolution equation by means of f - plane. non - hydrostatic balance and filiter model

    第二，討論了環境位溫與熱成風因子對中尺度對稱不穩定的影響。運用解析的方法求出了擾動流函數的表達式和對稱不穩定的判據，發現環境參考位溫隨高度的變化與熱成風因子使得對稱不穩定臨界理查遜數及擾動的臨界半波長都變大，這有利於對稱不穩定的發生。第三，採用f平面、非靜力平衡、濾聲波模式，討論了中尺度垂直環流非線性攝動分析及演變方程。
  3. The movement inbeing of the ultrasonic motors, two type form method of elliptical movement are deeply investigated. its driving mechanism is studied also by geometric method. the ordinal progressing condition of a forced traveling wave in the elastic plate is investigated

    研究了超聲波馬達的驅動機理，對超聲波馬達驅動的本質? ?橢圓運動的兩種形成方法進行了詳細研究，利用幾何分析法研究了行波超聲波馬達的傳動機理，分析了定子彈性體中行波有序傳播的條件。
  4. By combining the transient change model method and rarefaction wave method, the multidimensional rules to detect the leakage and locate the leak point were set up

    並結合管道瞬變模型法與負壓波法建立多維判別法則，解決輸油管道泄漏檢測及漏點定位的問題。
  5. The sound absorption coefficiet of osb was tested by the stationary wave method. the results showed that the osb had good sound absorption property compared with brick and concrete

    採用駐波管法測定定向結構刨花板的吸聲系數，分析比較了定向結構刨花板與磚、混凝土吸聲性能的差異。結果表明，定向結構刨花板具有良好的吸聲性能。
  6. By a method for comparing, the conversion efficiency formula of the gaussian wave for second - harmonic generation ( cefgshg ) in general circumstances, which toke accounts of walk - off effect and self - focus effect together, was attained

    通過類比的方法給出了一般情況下，同時考慮走離效應和自聚焦效應時的高斯光束倍頻轉換效率公式。
  7. In this paper, we have studied the transmission of a plane wave through a 1d quasiperiodic or aperiodic chain by numerical method. moreover the heat conduction for these chains is calculated. it is found that the heat flux j ~ n - 1 ( 0. 5 < < 1 ), and depends on the on - site potentials

    本文首先用數值方法，計算了各種頻率的平面波通過以上幾種典型的一維準周期和非周期鏈的透射系數，並據此研究了這幾種一維準周期和非周期鏈的熱通量j與粒子數n之間的關系，得出j n ~ （ a - 1 ） ， 0 . 5 1 ，與系統中在位勢的大小有關，並與其他系統的結果作了比較。
  8. By comparing difference in compression modulus before and after grouting and detection of seismic waves, the authors concluded that the seismic wave method is a good method for detecting effects of grouting in highway slopes

    通過對坡體在灌漿前後彈性參數的對比分析，說明用地震波法檢測公路邊坡灌漿加固效果是一種較好的方法。
  9. Angular distributions for some interesting states of 12b and 13c have been experimentally measured in hb ( d, p ) and 12c ( d, p ) reactions. the density distributions, rms ( root mean square ) radii, contributions of outside nucleon, etc., of the valence neutrons in these states are extracted by dwba ( distorted wave born approximation ) method and anc ( asymptotic normalization coefficient ) method, respectively

    實驗測量了11b （ d ， p ）和12c （ d ， p ）反應中12b和13c幾個感興趣的核態角分佈，分別用dwba方法和anc方法從角分佈數據中抽取了各核態外層中子的密度分佈、 rms半徑以及外層核子的貢獻等，對這兩種方法作了比較。
  10. Noise research of engine admission and exhaust system by voice wave finity element method

    基於聲波有限元分析法的發動機進排氣系統噪聲的研究
  11. The subject inducts digital time division technology ( pwm ), which is more advantageous at the accuracy and the predigest of hardware than simulant multiplication. what they call measuring power energy reasonably is that measuting except harmonics power energy fed back power. yet it realizes reasonable measurement of power energy which measures by base wave ac parameters method base on digital time division

    本課題引入了數字時分割（ pwm ）脈寬調制技術，在測量的準確性、硬體電路的簡化等方面都比模擬乘法器具有較高的優越性。所謂合理的計量電能，就是不計非線性負載回饋給電網的負的諧波電能，而採用基於數字時分割的基波交流參數測量的方法，真正實現了電能的合理計量。
  12. Experimental study on the selection of hammer for pile detection by reflected wave method and its application effect

    基樁反射波法檢測技術在推求樁身砼強度中的應用
  13. This paper deals with seismic analysis of an immersed tunnel using the travelling wave method the objective of the analysis is to obtain the maximum stresses in the tunnel body and the relative displacements at the joints for design purpose in analysis ， the axial and transverse input waves are treated as two independent waves with different amplitudes and periods the method has been found to have the advantages of simplicity and clearness in physical concepts however ， reasonableness of the prediction by the method depends largely on the input data ， such as the wave amplitude ， the wave length ， the propergation speed of the travelling wave as well as the reaction coefficient of the ground thus ， determination of the input data is discussed in detail finally ， the method is applied to analysis of huangsha - fangcun immersed tunnel across the pearl river in guangzhou

    將行波法應用到剛度較大、分段較多的水下沉管隧道的地震分析中，提出把軸向、橫向兩個輸入波處理為兩個獨立的行波的方法行波法是否符合實際，與輸入地震波的有關參數及地基系數選取有很大關系，作者對此進行了比較深入的討論，使輸入參數的選取簡單、明確，便於對計算結果進行分析與判斷最後應用此法對珠江水下隧道的工程實例進行了計算
  14. At the end of this chapter, a new inciding wave source using in simulation regular waveguides by fdtd method is given,

    最後本文還用離散傅立葉變換方法給出了用於fdtd方法研究規則波導問題中的入射波源。
  15. The text introduces the theory of the radar antenna " s scan wave by adopting the method of using wave width to describe antenna radiate direction fig

    本文介紹了雷達天線的掃描波束理論，採用了用波束寬度描述天線輻射方向圖的方法。
  16. Investigation of the low - depression velocity layer in desert area by multichannel analysis of surface - wave method

    多道面波分析技術在沙漠低降速帶調查中的應用
  17. This thesis chooses b spline wavelet that adapts to the analysis of power system signal, and uses the wavelet transformer to analyze the magnetizing inrush current and inner fault current. a transformer microcomputer protection was designed in this thesis, and in the base of intermission angle principle, a new criterion was established, which pierces through the traditional method with accurate measurement of intermission angle, but analyses the wave by wavelet transform. this criterion is lower in hardware, so it will be realized in the existing hardware

    本文選擇適合電力系統信號分析的b樣條函數作為母小波，對勵磁涌流和內部故障電流進行小波分析，並設計微機型變壓器保護基本配置，在以往間斷角原理鑒別勵磁涌流的基礎上，突破傳統精確測量勵磁涌流間斷角的方法，直接對信號小波變換后的波形進行分析，建立一個新的鑒別勵磁涌流判據，該判據對硬體要求不高，可以在現有一般硬體平臺上實現；並編寫以b樣條函數為母小波的小波變換判據演算法程序。
  18. 2, the image of sn - wave velocity lateral variation is reconstructed in china continent by tomography method using 43646 sn rays

    2 、用了43646條sn射線反演得到中國大陸上地幔頂部s波速度橫向變化。
  19. Comprehensively discuss the issues in application, adaptive condition and performance, propose a fast arithmetic of forward modeling and depth migration in common shot gathers with one - way acoustic wave equation based on vrselrf, and verify the arithmetic by numerical simulation. concisely discuss the cause of the creation of evanescence and the problem of lateral amplitude discontinuity result from it. fourthly, use the reflectivity model, computed to describe the fracture model, with the formula of computation reflectivity based on elastic - acoustic approximation, and the wavelet model computed by the method, wavelet creation with fourier transform, we proposed, in conjunction with vrselrf wavefield extrapolation operator

    第三，將頻率波數域穩定的變參考慢度rytov近似廣義屏波場延拓運算元（ vrselrf ）應用於疊前與疊后正演模擬、疊前與疊后深度偏移，對演算法應用中應注意的問題、適用范圍、性能等作了較為全面的論述；提出了基於vrselrf的單程聲波方程共炮記錄正演模擬和深度偏移快速演算法，並通過數值模擬試驗對演算法進行了驗證；簡要地討論了倏逝波的產生原因及其帶來的橫向振幅不連續性問題。
  20. Two crucial technologies in instantaneous negative pressure wave method are analyzed in this dissertation, then a means is presented which can eliminate the dynamic response time diversity between pressure sensors in the beginning and end of the pipeline, by adopting gps to unify the system time between data collecting systems in two ends

    分析了負壓波泄漏定位方法的兩項關鍵技術，提出了消除首末、端壓力傳感器動態響應時間差的方法，採用gps來統一首末端數據採集系統的系統時間；使定位更加準確。
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