波形疊加 的英文怎麼說

中文拼音 [xíngdiějiā]
波形疊加 英文
addition of waveforms
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • 波形 : [物理學] wave form; shape; wave pattern; wave profile
  1. The vibrations which constitute a wave in a gas superposed on the random thermal motion.

    氣體中的振動在這種無規則熱運動上。
  2. According to characteristics of the seismic data from the low snr region with complex surface, this paper is started from solving the static correction problem and reasonable eliminating all kinds of disturbance in the seismic data from the low snr region with complex surface. through the whole process of seismic data processing which includes a series of processing methods that are suitable for the low snr region, namely, from the choosing of the floating base - level, the static correction in the field and indoors, the eliminating of all kinds of noise before and after stacking, the velocity analysis with high - resolution, the reasonable techniques of deconvolution before stacking and wavelet processing after stacking, to the method choosing of the high - resolution stacking and the reasonable and accurate offset imaging, a set of the complete and effective flow for processing seismic data from the low snr region with complex surface are finally formed, which can meet the need of explo

    本文針對復雜地表低信噪比地區地震資料的特點,以解決復雜地表低信噪比地區地震資料靜校正問題及合理剔除各類干擾為出發點,在整個地震資料處理過程中,從浮動基準面的選取、野外及室內靜校正、后各類噪音的去除、高精度速度分析、合理的前反褶積及后子處理技術、到選用高精度的技術及合理準確的偏移成像方法等一系列適合於復雜地表低信噪比地區的處理方法,最終成一套較完整且有效的針對復雜地表低信噪比地區地震資料的處理流程。
  3. Abstract : the stimulation treatment of & quot; loosening rock by the dilatancy of explosive waves & quot; is tested in the casing well 4242 for studying its result and its influence on casing. the result of the field test shows that this test is successful in technology, the oil production of the well is 4 times as much as that of it before the test ; the deformation of casing is local, and the result of the strength calculation shows that the deformation will not destroy casing

    文摘:為了研究「壓脹松動」增產技術的增產效果和對套管的影響,在延長石油管理局子長油礦對4242井進行了現場實驗.該技術採用強動載在地層深處的方法,造成壓脹條件,松動巖石,增大近井帶滲透率,提高油井產量.施工后,該井產量增為原來的4倍多.本次實驗工藝上是成功的,首先是按設計要求引爆了炸藥,其二是由於採取了保護措施,使套管變局限在施工段處,不影響下泵,不影響油井生產;套管強度校核分析也證明了套管不會破壞.施工后地質效果明顯
  4. The electromagnetic fields components of the te wave mode of a half - round waveguide are obtained theoretically, by using the conclusions of the rectangle and the circular waveguide, the superposition method and the mirror image method etc

    摘要利用矩導和圓導的結論,並結合法和鏡象法等工具,從理論上分析給出半圓導的te模型的電磁場分量。
  5. After analyzed the basic principle of optimized noise reduction on tyre pattern, summarized three approaches to noise reduction. the first is trying to reduce size of single block or socket to reduce noise amplitude on time domain, the second is to adjust stripes sorting order and their interlace value to avoid noise - made by every single block - peak values on time domain overlayed and the last is to adjust ratio of blocks and sockets, ratio of stripe interval and stripe sorting order to avoid noise periodical distribution and abnormal high peak values in some frequency strip

    論文第四章分析了輪胎花紋優化降噪的基本原理,總結出三條降噪途徑:在允許范圍內盡量減小單個塊或槽的大小、刻刀槽軟化花紋塊來減小噪聲時域幅度;調整節距排列順序、花紋條之間的錯位值,使各發聲單元發出的聲壓時域的同向峰值錯開,避免同向峰值;調整花紋塊和槽比例、節距比例、節距排列順序,盡量避免周期性分佈,使輪胎所發出的噪聲趨于白噪化,避免某些頻段的異常高峰值。
  6. At last, an experiential power supply was made, and a series of experiments is done. a lot of high - frequency pulse current was superposed on dcen current, modulated the welding current waveform we required and optimized the energy distribution, which satisfied the basic requirement of cathode cleaning

    最後製作了一臺實驗電源,並進行了一系列的電弧實驗,通過在變極性電源電流dcen基礎上一系列脈沖電流,調制出所需電流,實現輸出能量的最優分配,在滿足陰極清理的前提下,最大限度地提高焊接效率。
  7. Using an l2 energy method proves that the solutions of the general initial - boundary problem to this relaxation model converges time - asymptotically to a stationary wave or a rarefaction wave or superposition of these two kinds wave for small perturbation

    對此鬆弛模型,用l ~ 2 ?能量方法證明了在小擾動的情下,相應的一般初邊值問題的解漸近收斂到一個穩定或一個稀疏或這兩種非線性
  8. ( 1 ) based on two types of riccati equations, two kinds of new methods are proposed to obtain solutions of nonlinear differential equations. twelve families of exact solutions of wbk equation are found by using one of two methods ; ( 2 ) the homogeneous balance method is improved cind investigated to ( 2 + l ) - dimensional broer - kaup equation such that many families of new solutions are derived. ( 4 ) based on the isospectral lax pair of riccati form for generalized kdv equation with the force term, new darboux transformation and solitary - like wave solutions and rational solutions are obtained ; ( 4 ) by constructing darboux transformation and the superposition formula of generalized variable coefficients kdv equation with the force term, new single solitary - like wave solutions, double solitary - like wave solutions and rational solutions are found for ( 2 + l ) - dimensional generalized kp equation

    第二章和第三章考慮非線性偏微分方程的精確解的構造:首先給出了c - d對和c - d可積系統的基本理論,然後在第三章中具體研究了它們的應用: ( 1 )基於兩種riccati方程,提出了兩種新的求解非線性微分方程更多解的方法,利用其中的一種方法,得到了wbk方程的12組精確解; ( 2 )對齊次子衡法進行改進,以致於獲得了( 2 + 1 ) -維broer - kaup方程的很多新解; ( 3 )基於帶有外力項的廣義kdv方程的riccati式的非等譜lax對,提出了該方程的一個新的darboux變換,利用該變換,得到了新的類孤解和有理解; ( 4 )通過構造了帶有外力項的變系數kdv方程的darboux變換及原理,獲得( 2 + 1 ) -維廣義kp方程的新的類單孤解、雙類孤解和有理解。
  9. It produces the i and q signals, limits their pass bands, uses them to modulate the subcarrier in a quadrature and adds the moduled subcarrier to the luminance y, blanking and synchronizing signal waveform

    它首先分離出i信號和q信號,指定了它們的傳輸頻帶,並用它們對副載進行正交調制,然後將調制過的副載信號到亮度信號y和同步信號上。
  10. The methods of data association and tracking beginning and ending to single and multiple targets tracking in the multi - echo environment is listed. at the end of the thesis, a method is introduced, which is that based on the most closed principle, without the chosen echo, the current forecasting values added yawp based upon the former state values is considered as the target state estimated value. the value is an input of observation equation, the output of the observation equation is considered a chosen echo. and the method is validated in the simulation results

    針對多目標跟蹤問題,首先對多目標跟蹤的原理和跟蹤門的成方法進行了概述,並對多回環境下單目標跟蹤和多目標跟蹤的常用的數據關聯方法和跟蹤起始、跟蹤終結方法進行了介紹,在本文的後半部分,對多目標的運動狀態進行了模擬研究,提出了一種目標狀態估計方法,該種方法的思想是當前時刻如果目標跟蹤門內沒有所期望的候選回,首先計算出目標在前一時刻的運動狀態下對當前時刻的預測值,並將該值上系統噪聲作為量測方程輸入值,然後將觀測值作為候選回對目標進行狀態估計。
  11. Based on the special properties of the metal contact surface, on certain conditions the electromagnetic field components of the half - round waveguide are given

    根據金屬界面的特殊性質,在一定條件下運用法的延拓求出半圓導的電磁場分量。
  12. The thesis mainly deals with the third part of across : " sompi " cepstrum methods. the principle and system structure of across a re first introduced. the propagation of wave in media is simply studied and its transfer function in frequency domain is modeled as superimposed damped exponential sinusoids, each damped exponential sinusoid is called as a wave element and its exponential index part consists of two factors : group velocity travel time and decayed factor

    為此,首先介紹了across的原理與組成和通過簡單地討論地震在介質中的傳播情況建立起介質的傳遞函數模型,指出:在一個狹窄的頻率窗口裡,介質的傳遞函數可以用有限個阻尼正弦項的式表示,每個阻尼正弦項代表一個成分,其指數部分包括兩個因子:成分在介質中的傳播時間和衰減因子。
  13. Beyond the usual method, the one dimensional equation was expressed in the form of ( the equation is abbreviated ), which then was introduced by middle varible ( the equation is abbreviated ), so that the same solution of initial value problem by the characteristic curve method of the first order equations ( the equation is abbreviated ) and ( the equation is abbreviated ) was abtained

    摘要對一維非齊次動方程的始值問題在傳統的原理、達朗貝爾公式、齊次化原理的方法之外,完全用特徵線方法,先將方程表示為(方程式略)的式,進而引入中間變量(方程式略) ,得以用一階方程(方程式略)的特徵線方法,推導出維該始植問題的與傳統方法相同的解。
  14. Common reflection surface ( crs ) stack, which depends on three attributes of the seismic wave - field, is a seismic imaging method independent of the macro - model

    摘要共反射面方法運用3個地震場參數來描述地下反射面元時距關系,不對地下反射界面狀做任何假設,並且是一種不依賴于宏觀速度模型的反射成像方法。
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