進行波 的英文怎麼說

中文拼音 [jìnhángbō]
進行波 英文
translation wave; travelling wave
  • 進 : 進構詞成分。
  • 行 : 行Ⅰ名詞1 （行列） line; row 2 （排行） seniority among brothers and sisters:你行幾? 我行三。where...
  • 波 : 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...
  • 進行 : 1 （開展） be in progress; be underway; go on 2 （從事） carry on; carry out; conduct; make 3 （...
  1. Before using phase - only algorithm to achieve nulling, estimations of the number of interferential sources and the doa of interferential signals are needed. so, the spatial spectrum estimation basd on the maximum likelihood method ( capon method ) and music algorithm used for detecting the number of interferential sources and the doa of interferential signals are discussed in the second chapter

    在採用phase - only演算法進行波束置零之前，需要估計干擾源的方向和個數，因此本文還在第二章介紹了發射數字波束形成中用於測定干擾源個數和方向的空間譜估計法? capon演算法和music演算法的測向原理，並分析了它們的性能和優缺點。
  2. Aimed at the landform and the shortage of water resource in hilly mountain areas, the field experiments of surge furrow irrigation and continuous irrigation were carried out

    本文針對丘陵山區地形和水資源短缺等特點，採用正交試驗設計進行波涌灌和連續灌田間試驗。
  3. And then, the irrigation performance including irrigation efficiency, application efficiency and distribution uniformity were evaluated by using infiltration parameters and soil parameters. the results indicate surge furrow irrigation is suitable to hilly mountain areas

    利用入滲參數以及田間基本參數，對灌水質量：儲水效率e _ n 、灌水效率e _ a和灌水均勻度e _ d進行了評價，評價結果表明在丘陵山區適宜進行波涌灌溉。
  4. Butterworth - type and bessel function - type two ways are used for design of bandpass filter for receiver, and with the help of eda simulation tools, the bold plot and the group delay characteristics of the filters designed are compared

    摘要採用巴特沃思型和貝塞爾函數型2種方法進行接收機帶通濾波器設計，藉助eda對該濾波器進行波特圖和群延遲特性的比較。
  5. ( 8 ) by studying match between the electronic system and catalytic converter on the base of electronic controlled bypassing air system, conclusions having been gotten as follows : higher conversion efficiency of emission have gotten when a / f fluctuates at definite scope and frequency, by controlling the comparing voltage of 02 sensor, the working scope of catalytic converter can be controlled and the matching that can fulfill the high efficiency of hc, co, nox at same time has been optimized

    （ 8 ）進行基於所開發的電控補氣系統上的催化器與電控系統的匹配研究，當控制系統調節空燃比在一定范圍按照一定頻率進行波動時，可以提高催化轉化器的轉化效率；通過控制氧傳感器的比較電壓，可以控制催化轉化器的工作窗口，實現排放污染物中， hc 、 co 、 nox轉化的最優匹配。
  6. Finally, the paper introduces the test of wave simulation by wave - making system that has improved. the test data indicate that it is able to competent at wave simulation of sea wave spectrum for shipmodel test, we have changed the situation that the wave - making system ca n ' t simulated sea waves. and have established the foundation for the quality of improving the scientific research of our school and experiment teaching further

    最後，本文介紹了對改造后的造波系統進行波浪模擬測試情況，試驗數據表明，該造波機經過升級改造，完全可以勝任對船模耐波性試驗所要求的海浪譜的模擬，並且還可以根據需要模擬任意的海浪譜，模擬精度達到試驗要求。
  7. In such devices, it is desirable to have a high dielectric tunability in a certain electric field range, where tunability is defined as the variation of dielectric constant with respect to the applied voltage

    自上世紀50年代以來，用電控的方式進行波束掃描的方法得到了迅速發展，從而使相控陣天線及其基本元件移相器的研究獲得了廣泛的重視。
  8. First, basing on carefully post - processing and correcting seismic data, inverse the wave impendance and physical parameters of reservoir, making the researches of seismic attributes are made, then, the relationship between seismic attributes and oil - gas parameter are used to make regression analysis and calculating physical character parameter of reservoirs and oil - gas. basing on avo attributes analysis of known well, the correlation of avo attributes and oil - gas can be applicated in whole area

    首先對地震資料進行精細疊后處理及統一校正，在此基礎上進行波阻抗反演、物性參數反演、地震屬性的研究，並利用油氣參數與地震屬性之間的關系進行回歸分析，計算油氣及儲層的物性參數；從已知井處的avo屬性處理及分析入手，研究avo與油氣的關系並應用於整個研究區；計算出剖面的吸收系數並研究其與儲層分佈和油氣之間的關系。
  9. 1. assuming prismatic cross - section in the direction of the track, when the difference of the characteristic of soil along track is slight, and then processing expansion in wavenumbers along this direction

    為此，本文主要研究了以下幾個方面： 1 、在考慮軌道方向上地基土性質差別不大的前提下，取列車移動方向為相同的截面，並沿這個方向進行波數展開。
  10. The smart antenna, which is adapted in the wireless mobile communication system, in fact, forms an antenna with a high gain. thus communication in all directions can be proceeded, then base station antenna coverage, system capacity and service quality are improved, also inter - symbol interferes and multi - access interfere are reduced. the space division multiple access ( sdma ) is introduced, and users can be distinct from each other through their special location

    在無線移動通信系統中採用智能天線技術，實際上是通過數字信號處理，使天線陣為每個用戶自適應地進行波束賦形，相當于為每個用戶形成了一個可跟蹤它的高增益天線，從而即可以進行全方位通信，也可以用較小的發射功率覆蓋相同的范圍以及提高系統容量和業務質量、降低用戶間的碼間干擾和多址干擾。
  11. This paper introduces the methods of hyperspectral images band selection based on the property of hyperspectral remote sensing images, utilizes the projection pursuit approach to find optimal solutions for a selected projection index based on dynamical evolutionary algorithm and then project a high dimensional data set into a low dimensional data space to produce a sequence of projection images, explores zero - detection method to threshold projection images to detect anomaly tar get

    摘要運用基於波段間相關性的高光譜影像波段選取方法進行波段的預選取，採用投影尋蹤的方法在動力演化演算法的基礎上尋找最佳投影方向，將高維數據投影至低維數據空間，在各投影分量圖像上採用零點檢測閾值化的方法進行異常目標的提取。
  12. In this thesis, we follow the idea of the beamlet - domain wave field extrapolation methods to construct localized propagators. through comparative study of signal decomposition efficiency using different representation schemes, we select two groups of basic functions with simple expressions and good localization properties for wave field decomposition, propagation and imaging

    本論文通過對wft 、小波基、小波包，以及相關的框架理論等的分析比較，選擇了兩組形式簡單，且具有適宜於波場外推特性的基本函數集合來進行波場分解、傳播及偏移成像問題的研究。
  13. The seismic modeling algorithm includes in two key steps in which one is for calculating effective elastic parameters in a fractured and caved media by using elastic wave equation, the other is for wave extrapolating by using acoustic one - way wave equation based on an equivalent geology model consisting of those effective parameters

    地震正演方法包含兩個關鍵步驟，一是利用彈性波動方程計算含縫洞介質的有效彈性參數，另一步驟是根據有效彈性參數構成的等效地質模型，用單程聲學波動方程進行波場延拓。
  14. A switchable and spacing - tunable dual - wavelength linear cavity edfl is demonstrated experimentally using this kind of bragg grating for wavelength selection. it exploits the birefringence characteristic of the fbg induced by transverse strain. transverse strain loading on the fbg allows the wavelength spacing to be controlled while axial strain shifts both wavelengths together

    2 .對軸向及側向應力共同作用下的光纖布拉格光柵的透射及反射光譜特性進行了理論及實驗研究，並首次把軸向及側向應力共同作用下的光纖光柵應用於光纖激光器進行波長選擇，得到了室溫下穩定工作的波長及波長間隔可調的可開關雙波長的摻鉺光纖激光器。
  15. Using it did the mixed inversion of wave impedances

    用該程序進行波阻抗的混合反演。
  16. Wave - body interaction computation by a three - dimensional unsteady eulerian finite element method

    用三維非定常歐拉有限元方法進行波體干擾計算
  17. Second, since there are lots of redundant items in the fourth - order cumulant matrices, we introduce an algorithm of direction - of - arrival estimation based on the maximal set of nonredundant cumulant ( msnc )

    其次，由於利用四階累積量進行波達方向估計時計算量很大，文中提出了一種基於最大非冗餘累量集合的方向估計方法。
  18. A novel class of analysis tool in signal processing - higher - order statistics ( hos ) is presented in this thesis. we then use it along with the well - developed algorithms such as esprit and music in direction - of - arrival ( doa ) estimation

    本文介紹了信號處理中的一種新的分析工具? ?高階統計量，並與傳統的子寬間旋轉不變技術和多重信號分類技術相結合進行波達方向估計。
  19. The numerical efficiency of this method allows the advanced sophisticated synthesis procedures with the advanced optimization algorithms and the computer aided design of the waveguide circuits even the other microwave or millimeter - wave circuits performed on personal computer

    模式分析程序的快速和高效，使得它可以配合現代各種優化演算法進行波導電路甚至其它微波毫米波電路的計算機輔助設計。
  20. First, the thesis introduces the definitions and the attributes of the higher - order statistics. it is insensitive to additive gaussian noise ( white or colored ), which is what we base on to doa problems. then two doa estimation algorithms based on higher - order statistics are presented, one is that forming cumulant matrix pencil used in esprit to estimate doa problems, the other is spectrum estimation method for doa estimation based on the eigenstructure analysis of the fourth - order cumulant, and comparing the effects of the estimation to conventional covariance - based doa algorithms "

    論文首先對高階統計量的定義和性質作了介紹，特別指出了高階統計量對加性高斯噪聲（白色或有色）不敏感，這是我們利用它進行波達方向估計的理論依據，然後文中提出了兩種基於高階統計量的波達方向估計方法，一種是利用子空間旋轉不變技術構造四階累積量矩陣進行估計的方法，另一種是基於四階累積量陣特徵分解的空間譜估計測向方法，並將它們的估計效果與傳統協方差方法的效果進行比較。
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