波數空間 的英文怎麼說

中文拼音 [shǔkōngjiān]
波數空間 英文
wave number space
  • : 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...
  • : 數副詞(屢次) frequently; repeatedly
  • : 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...
  • 空間 : space; enclosure; room; blank; interspace
  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、 n指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、裂縫孔隙結構越復雜、裂縫孔隙結構指m值越高等特徵,提出了改進的基於盒維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(如聲和電阻率曲線)上分形分維值及其m指值,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指與聲和電阻率分維之積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;據壓縮程序應實現對心電信號的預處理和壓縮,縮小據存儲量,節省;病例信息管理系統實現患者個人信息和心電信息的存檔,把採集的據保存作據庫中,能夠將心電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演算法進行束置零之前,需要估計干擾源的方向和個,因此本文還在第二章介紹了發射束形成中用於測定干擾源個和方向的譜估計法? 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. Taking loess cave dwelling of yan an area as represen t area , the annual temperature wave inside the cave dwelling are solved under t he annual temperature wave of outside disturbance in yanan furthermore , by comparing with that of bungalows , the characteristics that warm in winter and cool in summer in cave dwelling are illustrated in quantity

    以延安地區黃土窯洞為模型,以當地的室外年溫度為外擾,用反應系法求解和分析了窯洞室內的年溫度變化;並與相同結構,相同外擾作用下的平房作了分析比較,定量的說明了窯洞與平房相比具有冬暖夏涼的優點。
  5. This multi - purpose optical metering system had adopted the twyman - green interferometric system as its center, containing an advanced digital wave surface interferometry and a kind of homodyne interferometer displacement testing method with nanometer - sized capacity. at the same time, many wide - applied metering technology, for example, the diffracted field ( fringe ) measurement, co - focal lens system, optical fiber sensors and 4f ( focal distance ) space filter system which can embody the chief principle of fourier optics well, were combined into it successfully. this instrument can firstly offer and show modern optical testing method in the laboratory for majors of information processing, instrument science, measuring and testing technology and automatic technology

    該多功能激光光電實驗系統以泰曼-格林干涉( twyman - green )光路作核心,包括先進的面干涉技術和一種基於干涉原理的、納米解析度零差干涉儀位移測量方法,同時將多種新穎、工程實用價值高的測量技術和光路如衍射測量、共焦顯微技術、光纖傳感技術以及反映傅立葉光學基本光學原理的4f系統也組合進去。
  6. Continuous wavelet transform on the vector function space

    向量函上的連續小變換
  7. Zonal wavelets on the heisenberg group and the orthogonal decomposition for the function space

    群上的帶狀小及函的正交分解
  8. ( 2 ) the emission spectra of laser ablation metal copper plasma were measured. the detailed mechanism of plume emission of cu plasma was qualitatively explained using a simple model based on excitation of atom and ion in plume arising from inelastic collision between the elemental species and electron with high kinetic energy. under the local thermal equilibrium model, the electronic temperature of copper plasma was deduced to be in the 104 scale by its emission lines

    ( 2 ) cu等離子體光譜:在420 570nm長范圍內觀測了激光燒蝕cu等離子體的光譜和各發射譜線在等離子體中的分佈;比較了激光能量對cu等離子體發射光譜、電子溫度的影響;用局部熱力學平衡( lte )近似,測得cu等離子體的電子溫度為104k量級;在不同背景氣壓下,觀測了激光燒蝕cu等離子體光譜的分佈。
  9. This arithmetic divides the wavelet coefficients of carrier image into 27 - classes by the background luminance, the texture and the edge mask character of visual system ; then after encrypting watermark image with magic cube transformation, the ycbcr model is employed, it embeds the watermark sequences in the carrier image with different intensity according to the coefficients " classes of carrier image in y channel

    首先,將載體rgb圖像轉換到ycbcr顏色,然後提取亮度通道y ,將其進行小變換,然後利用人眼視覺模型對載體圖象分解后的小進行分類。其次,對有意義的水印圖像分別進行3次不同的魔方置亂,得到3個隨機水印序列。
  10. This paper theoretically analyses the armature current and magnetomotive force in ac exciter of brushless synchronous machine with rotating rectifier. under the normal or fault conditions of rotating rectifier, the mathematical expressions of the armature current, the m. m. f and induced electromotive force are approached

    本文通過對旋轉整流器在正常與故障狀態下的交流勵磁機電樞電流和電樞電勢作了初步的理論分析,推導出旋轉整流器在正常與故障狀態下電樞電流、合成磁勢及其感應電勢的學表達式。
  11. 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的傳播問題,採用回傳矩陣法,在相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解,然後將其分解為若干廣義射線積分之和,並用值方法求解之。
  12. The procedure is quite unusual as compared with the spatial functions.

    相比,這個方法太異常了。
  13. 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形、光譜分佈和能量密度,並給定放大器參情況下,求輸入激光脈沖時形、、光譜分佈。
  14. 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面形,通過比較單相介質值解與解析解兩種方法的分析結果來檢驗程序的正確性。
  15. Based on the analysis of image wavelet transformation and the space / frequency distributing characteristics of different subbands " coefficients, this dissertation fully exploits the following theories and methods : scalar quantization, vector quantization, trellis coded quantization, trellis coded vector quantization, vector classification, codebook expansion and weighted mean square error rule basing mankind visual characteristics, etc. from different angles of information amalgamation, it develops several innovative algorithms of image compression and coding, gives their realization schemes, and makes plentiful simulation tests

    本文在分析了圖像小變換的原理和子帶系及頻率分佈特點的基礎上,充分利用標量量化、矢量量化、網格編碼量化、網格編碼矢量量化、矢量分類、碼書擴展和基於人眼視覺特性的加權均方誤差準則等思想和方法,從信息融合的不同角度展開了對小圖像的壓縮編碼研究,同時也討論了這些方法在靜止圖像量化中的具體應用。
  16. Applying an exact modal propagation analysis method and self - imaging theory, i analyzed the principle of mmi coupler. then, the self - imaging effect in graded - index waveguide has been analyzed and simulated using three - dimensional bpm. considering normal technology error, a low loss y - branch structure ( symmetric or asymmetric ) with a multimode waveguide transition section is introduced and designed

    在設計y分支導結構時,考慮常規工藝誤差的影響,引入多模導作為y分支導結構的過渡區,利用參搜索法來設計結構參,實現低損耗的y分支結構。
  17. M. m. nessibi and k. trimeche studied the theory of generalized wavelet transform on the underlying manifold of square integrable radial functions space on the heisen - berg group hn. they constructed an inversion formula of the radon transform on the underlying manifold by means of generalized wavelet

    M . m . nessibi和k . trim che研究了海森堡群h _ n上平方可積徑向函,在其基礎流形上建立了廣義小變換理論;並利用所引進的廣義小,得到radon變換在該上的一個逆公式
  18. The contributions of this dissertation is listed below. aiming at existing defects of traditional beeline detection by hough transformation ( ht ) arithmetic, such as large storage space consuming, imprecise beeline detection effect and information loss of image feature pixels etc, we suggest two new beeline detection methods. ( 1 ) based on infinite symmetry exponential filter and its recursion arithmetic, new beeline detection methods can get exact direction of image edge pixels in advance, so it reduces highly the calculation quantity of the conventional ht, and improves the speed and the precision of beeline detection greatly

    本論文的主要研究成果列舉如下:針對傳統直線檢測霍夫變換( houghtransform , ht )所存在的參存儲量大,直線檢測不精確以及圖像特徵點信息丟失等缺點,提出兩種新的直線段檢測演算法: ( 1 )提出一種基於無限對稱指的ht直線段檢測演算法,在進行邊緣檢測的同時,提前精確定位邊緣點的方向,減少了ht的運算量,提高了運算速度和檢測精度,而且整體演算法便於硬體的并行執行,使得實時處理成為可能。
  19. In chapter two, we first give the condition of generalized wavelets on l2 ( x ) by using the gelfand transform, where x = r + r denotes the underlying manifold of square integrable polyradial functions on the heisenberg group hn. then, we establish the theory of generalized wavelet transform and generalized wavelet packet transform on it

    在第二章中,我們利用gelfand變換刻畫了海森堡群h _ n上平方可積柱徑向函的基礎流形laguerre超群x = r _ + ~ n r上的廣義小,討論了該超群上的廣義小變換與廣義小包變換
  20. Bifurcation of solitary waves and kink waves for generalise pochhammer - chree equation are studied, by using the bifurcation theory of planar dynamical systems. bifurcation parameter sets are shown. numbers of solitary waves and kink waves are given. under various parameter conditions, all expicit formulars of solitary wave solutions and kink wave solutions are obtained

    本文用平面動力系統分支理論研究了廣義pochhammer - chree方程的孤與扭解的分支,給出了方程在參中所有分支集,以及孤解與扭解的個,並給出了各種參條件下的所有孤與扭解的精確公式。
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