空間域 的英文怎麼說

中文拼音 [kōngjiānyù]
空間域 英文
space domain
  • 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...
  • 域 : 名詞（在一定疆界內的地方; 疆域） land within certain boundaries; territory; region
  • 空間 : space; enclosure; room; blank; interspace
  1. The scanning of the film by the photometer in the spacial domain is equivalent to the operation of a filter on a signal flowing through it in the time domain.

    在空間域用光度計進行掃描，和時間域中濾波器對所通過的信號進行運算等效。
  2. On the basis of experimental research, this thesis applies 2 - dimensional non - linear finite element method to the analysis of transient temperature field on the section by means of relatively high precision triangular element of six joints. when the temperature field is analyzed, finite element reseaus are divided in space field and finite difference reseaus are divided in time field, and then the program is compiled. the computing results are in good agreement with the test data

    在試驗研究的基礎上，本文採用精度較高的三角形六結點單元對構件截面二維非線性瞬態溫度場進行了有限元分析，即在空間域內採用有限元網格劃分，在時間域內採用有限差分網格劃分，據此編制了計算程序，計算結果與試驗數據符合較好，程序穩定性好，精度滿足要求。
  3. The achievement of the thesis can be described as follow : 1. principle and algorithm of previous magnetic data processing methods have been presented in detail and every algorithm has been programmed

    本文主要取得了如下的成果： 1對空間域和波數域的磁異常處理方法進行了研究並編程實現。
  4. By employing the theory of operator representation, the reflection / transmission operator is decomposed into the form of double domains in the scheme, so it is adaptable to laterally heterogeneous media and fluctuating reflectors, can mimic ava of reflections when the incident angle is less than 45

    文中利用運算元可分表示理論將反射透射運算元分解成適合於雙域（空間域和波數域）運算的表達形式，使得本文得到的地震波數值模擬演算法可適應於一定程度橫向非均勻介質和界面起伏情況，在入射角小於45時能夠準確模擬振幅隨入射角（ ava ）的關系。
  5. Gradually people began to make use of it actively to measure some physical quantities, thus self - mixing interference technology was brought forth. when a coherent light is scattered by the rough surface, the scatted light forms a granular intensity distribution known as speckle. speckles are coherent superposition of the light scatted by the rough surface

    相干光從光學粗糙表面散射時，結果在探測面上出現隨機的顆粒狀的強度分佈，稱為散斑，散斑是由粗糙表面上各面元的散射光波之間的干涉在空間域內形成的，所以散斑也是粗糙表面一些信息的攜帶者。
  6. Though there are many methods in the field of speckle filtering, it lacks deep study of methods selection with different images and in different atr missions

    本文對採用空間域常用的濾波演算法、時間頻率域相結合的濾波演算法濾除sar圖像噪聲的結果進行了比較。
  7. Being local in space and frequency, and some even compactly supported, wavelets are used to simplify the wave equations in slowly varying nonhomogeneous medium, and transfer the problem of solving two - dimension wave equations into a series of one - dimension problems, after words, the method in 1 can be applied to solve it. as a result, the complexity of the problem and the difficulty in solving it are largely reduced

    利用小波變換在空間域和頻率域上具有局部性的特點，通過小波展開，把二維非均勻問題轉化為一系列一維非均勻問題，然後利用在（一）中得到的通用計算公式求解，大大降低了問題的復雜性和難度。
  8. Advanced mathematical technologies, especially the newly developed wavelet transform and the frame theory, provide a solid foundation for such an effort. the ray - theory based beam - summation method, such as the complex source - generated beam and the gaussian beam methods, and the local phase - space domain ( beamlet domain ) wave field extrapolation methods employing windowed fourier transform ( wft ) or wavelet transform are proposed consequently

    基於射線理論的高頻漸近射束（復射束、高斯射束）疊加方法，以窗口富里葉變換（ wft ）以及小波變換為基礎的局部相位-空間域（小波束域）波場外推方法等相繼產生。
  9. In this paper, a " step - by - step " recursive 3 - d frequency - space wed scheme is presented to deal with real data

    本文採用三維頻率空間域有限差分波場延拓運算元以「逐步累加」的方式實現了三維波動方程基準面校正，並對實際數據進行了處理。
  10. We discussed the main characteristic parameters of seismic kinesiology and dynamics of mine engineering fracture zone, including relative amplitude, phase time of wave crest, similarity factor, principal frequency band energy, 3 - d space time gradient and coherent coefficient et al., and puts forward the processing method of 3 - d seismic characteristic parameters about denoise - smoothing, generalization, correlation analysis, characteristic transformation ; and presents the method of pattern recognition of mine engineering fracture zone

    摘要本文從時間域、頻率域、三維空間域介紹了礦山工程裂隙破碎帶主要的地震運動學、動力學屬性參數，包括相對振幅、波峰相位時間、相似系數、主頻帶能量、二維空間時間梯度和相干系數等，提出了礦山工程裂隙破碎帶三維地震屬性的去噪平滑、歸一化、相關分析、特徵變換的處理方法以及裂隙破碎帶的模式識別原理與方法，並用實例說明了該方法的應用效果。
  11. In 3 - d ocdma system, the code sequence for each user is spreaded in time chip, wavelength and space. compared with 2 - d ocdma system, 3 - d system can accommodate more total users and simultaneous users

    三維ocdma系統中，每個用戶碼字序列的光脈沖同時在時間域、頻率域和空間域擴展，三維系統較之二維系統擁有更大的總用戶和同時激活用戶的容納能力，系統性能更好。
  12. The message to be transferred can be image or text file, and can be hided in the space domain or frequency domain of the image

    這些要傳輸的秘密信息可以是文字信息也可以是圖象信息，隱藏的位置可以是圖象的空間域或頻率域內。
  13. Lacking of space locality in time domain, fourier analysis can only make certain of the integral singularity of a function or signal. as a result ; it is difficult to detect the spatial position and distribution of broken signal by fourier analysis. wavelet analysis has the characteristic of spatial locality, and its wideness in both windows of the time and the frequency can be adjusted, so it can analyze the details of a signal

    小波分析優于傅里葉之處在於，小波分析在時域和頻域同時具有良好的局部化性質，因為小波函數是緊支集，而三角正、餘弦的區間是無窮區間，所以小波變換可以對高頻成分採用逐漸精細的時域或空間域取代步長，從而可以聚焦到對象的任意細節。
  14. According to this derivation, a bi - linear optical system could be decomposed into a set of convolution kernels, which could then be convoluted with input pattern, and the resulting set of convolution fields could be superimposed to yield an intensity field

    在這里提出了一種基於卷積核的快速稀疏空間光強的光刻模擬計算方法。一個雙線性光學系統分解成為一組空間域卷積核，並通過對版圖的空間域卷積來計算空間光強。
  15. Tested on synthetic example, the results show that the spatial domain data processing methods presented in the thesis have higher resolution than the previous wave number domain methods. 2. wavelet has been discussed, this is a new data processing method and the test on synthetic examples and field data show that it is a good latent method

    通過數值實驗本文認為，用本文空間域的解析延拓和導數的求取方法，在網格尺度相對于延拓高度很小的情況下，對磁異常進行延拓和求垂向導的精度是比較高的。
  16. First of all, with thrice hermite interpolation to element displacement, the control equation of dynamics is derived in space - time domain. two groups of space - time finite element formulae solving displacement and velocity are obtained

    作者首先對單元位移採用時域上三次hermite插值多項式，在空間域和時間域中聯合離散控制方程，分別推導出了動力學問題的兩組遞推公式，以求解位移和速度。
  17. Like other transforms such as dct and wt, zh - transform can transform the image data from spatial domain to another frequency - like domain, and zh - transformed data can describe the shape from coarser to finer

    類似於dct和wt等變換， zh變換可以把圖像數據從空間域變換到另一個類似於頻率域的域，使變換后的數據從粗到精地描述了視頻對象地形狀。
  18. In the wavefield - spread area, we uses the phase - shift operator as constraint in frequency - wavenumber field, while beyond the wavefield - spread data, we uses zero point at the ends of phase - shift operator as constraint to take discrete smooth interpolation so that the resulted operator satisfies two - order smooth and the length of this operator can be selected shorter in frequency - space field

    通過離散光滑插值法，在頻率波數域中，以傳播區內的相移運算元為約束，在傳播區外的運算元兩端處以零點為約束，進行離散光滑插值，使得所得運算元具有二階光滑可導性，則其對應的頻率空間域中的運算元就可以取得很短。
  19. By simulating mathematically on frequency and on space, we can find the average speed of space field and the average speed of frequency field that is weighted by amplitude, and analyse their relation, and analyse the meaning of space speed variance x and frequency speed variance v. in the fourth part, how to ensure the height of cloud is introduced, and basing on the theory of wind field continuity, the height updating quality controlling is introduced. in the fifth part, the system of cloud wind is introduced, we tracked cloud - motion of consecutive satellite images with one - minute interval by the 1 - d fourier analysis technique and the two - dim fourier analysis technique and the fft analysis technique, and dispose them with quality controlling. in the sixth part, we summarized our research and put up with shortages of this article

    模擬模塊內各點的速度線性變化時，得到空間域平均速度以及頻率域以振幅為權重的平均速度，分析了空間域平均速度和頻率域以振幅為權重的平均速度的關系，並揭示空間域的平均速度的標準差_ x和頻率域的振幅為權重的平均速度的標準差_ v的意義，以及它們之間的關系；第四章介紹了雲跡風系統的高度指定以及風矢高度的劃分，並根據風場連續性原理，介紹了高度調整法的質量控制；第五章介紹導風系統的流程，選擇了三個時刻的ir雲圖，分別用一維傅立葉相位法、二維傅立葉相位法和快速傅立葉演算法計算一個風場個例，並對所得風場進行質量控制，並給出風場圖；第六章進行研究總結，指出不足和有待于進一步研究之處。
  20. Then the research of algorithms of texture - based image retrieval is devised from the following three aspects : 1. texture - based image retrieval algorithms in spatial domain : perceptual - based tamura texture feature is analyzed ; run - length texture analyzing algorithm is improved ; four laws " texture operators which perform better in texture analyzing are achieved

    空間域紋理分析方法方面，分析了對應於人眼視覺感受的tamura紋理特徵，將遊程長度紋理分析演算法改進為遊程累加的紋理檢索演算法；總結出在基於紋理特徵的圖象檢索中四個有效的laws紋理能量運算元。
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