空間波形 的英文怎麼說

中文拼音 [kōngjiānbōxíng]
空間波形 英文
spatial waveform
  • 空 : 空Ⅰ形容詞（不包含什麼; 裏面沒有東西或沒有內容; 不切實際的） empty; hollow; void Ⅱ名詞1 （天空） s...
  • 間 : 間Ⅰ名詞1 （中間） between; among 2 （一定的空間或時間里） with a definite time or space 3 （一間...
  • 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...
  • 空間 : space; enclosure; room; blank; interspace
  • 波形 : [物理學] wave form; shape; wave pattern; wave profile
  1. For this purpos, from the point of the log geology, aimed at the actuality of the current fractured reservoir log geology interpretation and evaluation, based on synthetical analysis of the current domestic and foreign fruit of fractal dimension investigation of reservoir fracture, using the method and technique of fractal dimension, through the further discussion of the fractal dimension characteristics of m index and n index in the log interpretation archie model in a sample way and through the theoretic reasoning to the fractal dimension dfa and m index of fractured reservoir interval ' s log curve, according to the geophysical signification of the fractal dimension dfa of fractured reservoir interval ' s log curve shape : the more complicated the change of the curve shape is, the larger the its dfa value is, then the more complicated space structure of fracture and pore, then the higher value of m index of space structure of fracture and pore, and so on, the text propounds an improved method, based on box dimension, of covering log curve with scale grid, and by programming computes the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, then further puts this technique into application investigation, and makes analysis of application effects in the reservoirs located in l area of qx oil field from three aspects : 1. the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, which are derived from computing, is used to identify reservoir type by crossplotting m index with the product df _ acrt of fractal dimension of acoustical wave log curve and restivity log curve and by experiential discriminance plate of reservoir type in l area of qx oil field

    因此，對該區裂縫性儲集層的類型識別、孔滲特徵的測井地質解釋以及儲層裂縫的發育和分佈規律進行深入的研究便成為本文研究的出發點。為此，本文從測井地質的角度，針對當前裂縫性儲層測井地質解釋與評價的現狀，在綜合分析當前國內外儲層裂縫的分形分維研究成果的基礎上，利用分形分維方法和技術，通過對archie測井解釋模型中的m指數、 n指數的分形分維特性的深入淺出的論述以及裂縫性儲層段測井曲線分維d _ （ fa ）與m指數的理論推導，根據裂縫性儲層測井曲線形態分維值的地球物理意義? ?曲線變化越復雜，則其分維值d _ （ fa ）越大、裂縫孔隙空間結構越復雜、裂縫孔隙空間結構指數m值越高等特徵，提出了改進的基於盒維數的測井曲線網格覆蓋法，編程計算了裂縫性儲層段常規測井曲線（如聲波和電阻率曲線）上分形分維值及其m指數值，進而從以下三個方面對qx油田l區塊的裂縫油藏進行應用研究，效果十分理想： 1將計算得到的可變的m指數與聲波和電阻率分維之積df _ acrt進行交繪，採用儲層分維值分類技術統計分析這些參數變化的規律，並結合qx油田l區塊儲層類型經驗判別圖版，從而實現qx油田l區塊下白堊統的裂縫性儲層的類型識別。
  2. Software part want function that realize : through interrupt service routine gather and come out regularly ecg signal, store among computer in the form of the binary scale ; data compress programme should realize to ecg signal pretreatment and compress of signal, narrow the storing amount of the data, save the space ; case information management system realize patient information and heart telecommunication file of interest, keep and in the data base, can show the ecg signal wave form at the screen of the computer directly data that gather. and has offered and type and report the single function

    軟體部分所要實現的功能為：通過中斷服務程序把心電信號定時採集出來，以二進制的形式存儲在計算機中；數據壓縮程序應實現對心電信號的預處理和壓縮，縮小數據存儲量，節省空間；病例信息管理系統實現患者個人信息和心電信息的存檔，把採集的數據保存作數據庫中，能夠將心電波形直接顯示在計算機屏幕上，並提供列印報告單的功能。
  3. 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。
  4. Cycle frequency - based blind beamforming shows the performance degradation due to cfe ( cyclic frequency error ). an improved algorithm is presented in literature 6, which adopting forgetting factor in estimation cyclic correlation matrix would largely depress the sensitivity of cab to cyclic frequency error. by using this method, the improved algorithms of the c - cab and ecab algorithms are presented in this dissertation

    針對基於循環頻率的盲波束形成演算法對循環頻率誤差cfe （ cyclicfrequencyerror ）很敏感而導致演算法性能下降的情況，參照文獻[ 6 ]提出的遺忘因子cab演算法，提出了c - cab演算法以及基於特徵空間的盲波束形成演算法（ ecab ）的改進演算法。
  5. Radar, light, and other electromagnetic waves transfer momentum and energy through space.

    雷達、光和其它形式的電磁波將其動量和能量通過空間輸送出去。
  6. As we all known, with the founding of euclidean geometry in ancient greece, with the development of analytic geometry and other kinds of geometries, with f. kline " s erlanger program in 1872 and the new developments of geometry in 20th century such as topology and so on, man has developed their understand of geometry. on the other hand, euclid formed geometry as a deductive system by using axiomatic theory for the first time. the content and method of geometry have dramatically changed, but the geometry curriculum has not changed correspondingly until the first strike from kline and perry " s appealing

    縱觀幾何學發展的歷史，可以稱得上波瀾壯闊：一方面，從古希臘時代的歐氏綜合幾何，到近代解析幾何等多種幾何的發展，以及用變換的方法處理幾何的埃爾朗根綱領，到20世紀拓撲學、高維空間理論等幾何學的新發展，這一切都在不斷豐富人們對幾何學的認識；另一方面，從歐幾里得第一次使用公理化方法把幾何學組織成一個邏輯演繹體系，到羅巴切夫斯基非歐幾何的發現，以及希爾伯特形式公理體系的建立，極大地發展了公理化思想方法，不管是幾何學的內容還是方法都發生了質的飛躍。
  7. The equations of motion governing the axisymmetric elastic deformation of finite orthotropic cylindrical shells, involving the effect of transverse shear and rotational inertia, are derived. by applying the reverberation method, the displacement and the resultant forces of the shell in the phase space are expressed. then the transient waves in the finite orthotropic cylindrical shell subjected to the axisymmetric impact are obtained by using inverse laplace transforms. furthermore, the transient solutions are decomposed to the generalized ray integrals and computed numerically

    分析了計及剪切變形和轉動慣性的有限長正交異性圓柱殼中彈性瞬態波的傳播問題，採用回傳矩陣法，在相空間中給出了位移和內力的表達式。再利用laplace逆變換，得到正交異性圓柱殼受軸對稱沖擊作用時彈性瞬態波解，然後將其分解為若干廣義射線積分之和，並用數值方法求解之。
  8. The computational method of integration for solid angle on cross section of the elliptic waveguide

    橢圓形波導管中對空間立體角積分的計算方法
  9. A i med at the badu ( k343 ) i arge seale i andslide in the nankun railway, geophysical exploration techniques such as seismic reflection of high resolution and geological radar are appi ied to detect the geologic characteristics of the landslide mass including 3d - conformation, perimeter, geometric parameters, si ippage pattern and distribution of displacement field in this dissertation. besides, acoustic method is used for detection of the former anti - slide piles and potency losing causations of the piles are analyzed and the sound geological conditions for upgrade of the piles are ascertained by the above investigations

    本文針對南昆鐵路八渡（ k343 ）大型滑坡，運用高解析度反射地震、地質雷達等地球物理探測技術對滑坡體地質進行了詳細的勘測，揭示了八渡滑坡體的空間形態、邊界與幾何參數、滑動方式以及位移場分佈特徵；同時，利用聲波探測對原抗滑樁進行了檢測，分析了失效原因，並查清了擬建抗滑樁地段的地質條件。
  10. The dissertation firstly discusses the reflectance of euv and soft x - ray in " multilayer system based on classical electrodynamics and optical characteristics of materials. the nns surface roughness in different spatial frequency range is carefully studied since scattering can seriously reduce the reflectance in euv and soft x - ray wavelength region. we discuss representative model of residual stress in

    首先從材料在極紫外、軟x射線波段的光學特性出發，討論了極紫外、軟x射線在理想和非理想多層膜系中的反射特性；研究了影響極紫外、軟x射線多層膜反射率的表面粗糙度的空間頻率范圍；重點探討了多層膜殘余應力的典型模型、應力形成機制以及薄膜的形成過程。
  11. For a x - directed line current with lengh much smaller than a wave length, the e - field pattern on coordinate planes in 3 - d space in the region from much smaller than line length to one or two wave length, the synthesized pattern by summation of the field of many line segments of hertz dipoles is independent of the number of segments, i. e. same field as a single hertz dipole

    以水平面上三角形甚小於波長線電流為例，分割為若干小段之赫芝偶極所加總合成在三度空間任意座標平面上距離從甚大於線長到一兩個波長區域之電場場型與分割小段數量無關，即等同於一單一赫芝偶極之場型。
  12. At first some modification is made in conventional beam forming of frequency domain, namely to estimate doa by arrays outputs on compensated spacial frequency points of echoes. then the cwt is utilized to signal processing in space - frequency domain for estimation of doa, and the corresponding modification is also made. in the dissertation, the computer simulations of doa estimation for both narrow - band and wide - band echoes are given, so do the necessary comparison among several methods and crb

    首先在傳統的頻域波束形成演算法的基礎上，提出對寬帶信號的頻率補償，也即對寬帶回波信號的各空間頻率根據時間頻率的差異進行相應補償，然後對各陣元輸出求和來得到方位估計；其次將連續小波變換引入到空間?頻率處理中，從而完成對目標方位的估計，並進行了相應地補償。
  13. Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively

    本文對大圓環直線感應電機進行了深入細致研究，內容包括： （ 1 ）本文採用有限長行波面電流作用於有限長鐵芯上的模型，引用了氣隙磁場一維解，研究了單層繞組磁場，奇數極半填槽雙層繞組在採用整距和短距時磁場的分析、比較，簡單介紹了二維解； （ 2 ）用有限元軟體ansoft對大圓環直線感應電機空載氣隙磁場進行了靜態分析，並分析了結果； （ 3 ）用軟體進行了額定電壓下的瞬態分析，得到了轉矩，位移，轉速隨時間變化曲線圖，利用單極性霍爾元件測定轉速並與軟體計算結果進行了比較，採用等效電路法計算了堵轉時的最大電磁力並做實驗進行了驗證，由實驗測得了三相電流波形，並與計算結果進行了比較，對其不對稱性進行了定性分析。
  14. And by far, most theories of wavelet analysis are established in, but this method is rare to be known and exists defects in the reproducing kernel space with good properties. then in the reproducing kernel space, isometric isomorphism of relation is founded between and by differential operator. and starting from the haar basis, multi - resolution analysis inis gived by folding method ; then multi - resolution analysis and orthonormal wavelet in are obtained through integral transform from to. then the reproducing kernel space can be expressed by wavelet spaces

    於是，在再生核空間中，利用積分運算元建立了空間與hilbert空間的等距同構關系；並且從haar小波出發，由折疊法實現的空間中多尺度分析通過積分變換得到中多尺度分析和正交小波，使得再生核空間可以由小波空間來刻劃；從而對空間中的函數，給出了小波逼近具體表達式和相應的采樣公式，形式簡單易於數值分析。
  15. When the spatial parameter a is small, the non - paraxial effect does n ' t affect the temporal profile of the beam. however, when a becomes relatively larger, it influences the temporal profile greatly

    當空間參數較小時超短脈沖貝塞爾光束的時間波形不受非近軸效應影響；然而當空間參數較大時，非近軸效應影響超短脈沖貝塞爾光束的時間波形。
  16. After the discussion of the numerical simulation method based on the fdtd method and the pml technique, the motions of the charges and the electrical field lines were first employed to describe the radiation procedures of the pulse electromagnetic waves. then the causes of how the charges are accelerated and how the motion status of the charges are maintained were further studied from the angle of interaction of charge and field. after these analyses, it was pointed out that the pulse radiation is due to the suddenly occurred time - varying electrical field ( displacement current ) in the open space. this view was further evidenced by two examples : one is the partly resistance loaded antenna, the other is the partly curved antenna. the radiation procedures of the pulse electromagnetic waves of many different situations were simulated throughout this paper with the contours and waveforms of electric field given. these figures are very helpful to the understanding of the radiation mechanism of the pulse electromagnetic waves

    在討論了基於時域有限差分法和完全匹配層技術的數值模擬方法之後，首先從運動電荷和電力線的角度直觀地描述了脈沖電磁波的輻射過程，然後進一步從場與電荷相互作用的角度分析了天線上電荷是如何被加速以及如何維持其運動狀態的，指出了開放空間中突然出現的時變電場（位移電流）是脈沖電磁波輻射的根本原因.文中還對局部電阻加載的天線和局部彎曲的天線進行了研究，以進一步說明上述觀點.對多種情況下的脈沖輻射過程進行了數值模擬，並給出了電場的等高線和空間波形圖，這些圖形對理解脈沖電磁波的輻射機理非常有益
  17. Abstract : by using the pulse - sequence model ， the inverse problem of amplification of broad - spectral - bandwidth laser pulse has been studied ， i. e. ， to find the initial input temporal pulse profile ， spatial profile ， spectral distribution and fluence from the required output temporal ， spatial pulse profile ， spectral distribution and fluence as well as the given amplifier parameters

    文摘:採用脈沖分割模型，研究了寬頻帶激光脈沖放大的逆問題，即由所要求的輸出激光脈沖時間、空間波形、光譜分佈和能量密度，並給定放大器參數情況下，求輸入激光脈沖時間波形、空間、光譜分佈。
  18. 3 ) the dynamic responses are studied primarily when the normal incident waves from the lateral boundary are rayleigh surface waves. the results of the dynamic response and the spatial waveforms are given. through comparing the numerical solutions with the analytical solutions of one - phase media, the validity of the corresponding program is proved

    初步分析了基於單相介質理論的rayleigh面波從側邊界垂直入射時的動力響應問題，給出了動力響應結果和rayleigh面波的空間波形，通過比較單相介質數值解與解析解兩種方法的分析結果來檢驗程序的正確性。
  19. The definition of beamforming in mimo system is much different from the classic beamforming techniques. the beamforming in mimo system is not the beamforming in ( classic ) realistic space but the matrix space

    Mimo系統波束形成與傳統波束形成的概念有很大的不同， mimo系統的波束形成不再是傳統意義的實際空間上的波束形成，而是抽象的矩陣空間波束形成。
  20. It is noticed that the definitions of limit and difference of waveforms reflect path sensitization in a circuit. it is interesting to note the consistency between this theory and the reality. to deduce the properties and applications of converse operations or generalized converse operations of waveform operations in waveform space

    主要表現在：定義了波形空間；在波形空間中定義了與實際問題相符合的距離，極限，延遲運算元；運用布爾運算推導出了波形空間是banach空間；波形的極限和差分的定義反映了電路中的通路敏化；推導出了波形空間中常見波形運算的逆運算或廣義逆運算及其在電路中的性質並在通路敏化方面得到了一些應用。
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