波模 的英文怎麼說

中文拼音 []
波模 英文
wave mode
  • : 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...
  • : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
  1. Furthermore, with the fourier series technique, the disturbance is discomposed into predominant mode and high frequency harmonics, and the nonlinear stability of the nonparallel boundary layer is studied

    採用fourier級數的方法把擾動分解為基本態和高頻諧波模態,導出非平行非線性拋物化穩定性方程。
  2. Chapter 2 deals with the ground echo signal of sar, and establishes the signal models of static target and moving target

    第二章研究了合成孔徑雷達回信號,建立了靜止目標和運動目標的回波模型。
  3. 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。
  4. An analysis of shallow water channel using kraken normal model

    簡正波模型的淺海聲場分析
  5. A normal mode model for ocean seismo - acoustics in shallow water

    淺海地震傳播的簡正波模
  6. So, basing on the chaotic theory we look sea clutter as a chaotic system, reconstruct the phase - space of sea clutter to forecast and eliminate the sea clutter

    由於神經網路可對任意非線性函數進行擬的特性,用海雜波模型數據對神經網路進行訓練,重建海雜的狀態預測方程。
  7. Super - resolution spatial spectrum estimation is applied in this dissertation to realize bearing resolution by utilizing the different bearings between targets and first - order sea echoes. the simulation of radar echoes in one resolution cell is presented based on the theoretically analyzing hf sea clutter sea clutter reflection characteristic and sea echo spectrum stretching mechanics

    本文從分析高頻海雜反射特性以及平臺運動引起海浪展寬機理入手,建立便於理論研究的一階展寬的海雜和二階海雜波模型;在分辨單元上對雷達回信號進行了擬。
  8. This fact has an important implication for extension to 3d configurations. comparing the synthetic seismogram by using cartesian grids with the synthetic seismogram by using the curved grid, it can prove the approach is effective

    通過聲波模型和彈性波模型在直網格下的合成記錄與在曲網格下的合成記錄的比較驗證了方法的有效性與精確性。
  9. The point blast induced spherical wave is the especial instance of the ellipsoid shock wave. at last, the experimental data in alcohol are in good agreement with the calculated results of the model by analysis of the data of the laser pulse induced the laser plasma shock front by acoustics means

    最後,設計應用聲學方法對酒精中產生的激光等離子體沖擊前傳播過程進行測試,對兩個不同方向上激光等離子體沖擊前測試數據的分析表明,旋轉橢球面的沖擊波模型與實驗測量結果相吻合。
  10. Trapped mode tropospheric propagation

    波模式對流層傳播
  11. And the resemblance is pointed out between continuous wavelet transform ( cwt ) and waf. in the course of computing waf, the scaling replica is very important. based on the properties of cwt, three approaches have been proposed for the scaling of a wavelet that has no analytic form

    詳細闡述了寬帶信號及系統的三個條件、寬帶系統的回波模型和寬帶糊度函數的概念,指出了連續小變換( cwt )與寬帶糊度函數的驚人相似之處。
  12. In other words, while somebody is in an aroused state and exhibiting a beta brainwave pattern, there also exists in that person ' s brain a component of alpha, theta and delta, even though these may be present only at the trace level

    換句話說,當某人處于清醒的狀態,呈現腦電波模式時,在這個人的大腦中依然存在著腦電、腦電和腦電的成分,盡管這些腦電可僅出現在很輕微的活動水平上。
  13. They clearly identified 27 words / syllables in specific brain wave patterns and produced a computer program with a brain wave vocabulary

    他們清楚的證明了27個單詞位元組的特定腦電波模式並編制了一個關于腦電詞匯表的電腦程序。
  14. Many high - power microwave ( hpm ) sources utilize an azimuthally symmetric output mode such as the tm 01 circular waveguide or the coaxial tem mode as output mode. if radiated directly these azimuthally symmetric modes will generate a doughnut - shaped pattern, with a null on boresight

    許多高功率微源產生的微波模式都是圓導軸對稱式,由於其輸出埠的口徑場分佈具有圓對稱性,將導致軸向為零的環狀遠場方向圖。
  15. At first we improve the methods of iris image preprocessing, including an efficient arithmetic of evaluation iris images, an improving method of locating iris, calibrating iris image by the translation of coordinate and the circular shift of code, a eatimate of the background illumination by bicubic spline, and the image enhancement by the dual tree complex wavelet transform. next we designed the recognition arithmetic based on the location of the local maxima of the wavelet transform modulus. in the thesis lots of simulation are performed by means of matlab and visual c + +

    首先改進了虹膜預處理方法,實現了一種快速高效的虹膜質量評價演算法;設計了一種改進的兩步虹膜定位演算法,準確的定位了虹膜的內外邊界;利用坐標轉換和編碼的循環移位實現了對虹膜圖像的配準;利用雙三次樣條函數擬合虹膜圖像背景,去除了非均勻光照對虹膜識別的影響;使用二分樹復數小方法增強了虹膜圖像的對比度;在識別演算法方面,本文設計了一種「基於小波模極值點位置的虹膜識別演算法」 。
  16. Design of special processor for wireless fuse solid target video frequency echo simulator based on fpga

    引信體目標視頻回波模擬器專用處理器設計
  17. The development of the radar echo simulator in the world is introduced, as well as the worldwide usage of the radar echo simulator

    雷達回波模擬器的國內外發展動態,雷達回波模擬器在國內外被廣泛應用。本人的主要工作。
  18. In the first chapter of the thesis, the background of the radar echo simulator is introduced, including the application, basic theory and technology of the radar echo simulator

    本文首先介紹了雷達回波模擬器課題的背景,包括雷達回波模擬器的作用,基本理論和技術特點。
  19. Based on the analysis and study of the primary principle and countermeasure process of the underwater acoustic countermeasure equipments, the mathematical models of the typical underwater acoustic countermeasure equipments such as the wide - band noise jammer target radiation noise simulator echo simulator and the gas bubble are presented

    在詳細分析、研究水聲對抗器材有關基本概念、基本工作原理及對抗過程的基礎上,歸納、總結了噪聲干擾器、目標輻射噪聲擬器、主動回波模擬器及氣幕彈等當前典型水聲對抗器材的數學型。
  20. In the third chapter, the hardware design of the radar echo simulator is introduced, including the unitary chart of hardware structure and design of each part in this system, which is composed of designs of computer interface, controlling sdram and controlling ide harddisks and some introduction about d / a and fpgas used in this system

    再次,介紹了本雷達回波模擬器的硬體設計,包括總體硬體結構框圖、系統各部分的硬體設計。系統各部分的硬體設計包括計算機介面設計、大容量高速緩存sdram的控制設計、 ide介面硬盤的控制設計、關于d / a的介紹和本系統使用的fpga的介紹。
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