source domain 中文意思是什麼
source domain
解釋
來源域-
Through studying it is shown that in chagan sag, the geothermal gradients in the center are higher than those around the sag margin and major factors influencing the characteristics of temperature field distribution are the property of geotectogenesis and the differences in tectonic portion, lithology and underground water behaviour ; there are three types of mudstone compaction, i. e. normal compaction, undercompacition and overcomepaction ; there are two pressure systems in sandstone reservoirs, i. e. normal pressure and negative pressure systems and the strata ' s being uplifted and denuded is the key factor leading to the formation of the negative pressure system in reservoir ; and the distinctive temperature - pressure field characteristics in the sag are possessed of important petroleum geological significance in hydrocarbon source maturity, hydrocarbon generation, widening on oil and gas exploration domain and selecting exploration targets, etc
研究表明，查干凹陷中心的地溫梯度高於凹陷邊緣，大地構造性質及所處構造部位、巖性與地下水活動的差異是影響凹陷地溫場分佈特徵的主要因素；泥巖壓實存在正常壓實、欠壓實和過壓實三種類型，砂巖儲層段壓力類型可分為正常和負壓兩個系統，地層抬升剝蝕是導致儲層負壓系統形成的主導因素；凹陷獨特的溫壓場特徵對烴源巖成熟、油氣生成、油氣勘探領域的擴大及勘探方向的選擇等具有重要的油氣地質意義。 -
Being a method of time - domain electrical magnetic surveying, the transient electromagnetic method ( tem ) can transmit first pulse electromagnetic field to underground making use of loop or electrical source and receive secondary induction field during of the pulse intermission
瞬變電磁法是一種時間域電磁測量方法，是利用不接地回線或接地線源向地下發送一次脈沖磁場，在一次脈沖磁場的間歇期間，採用不接地線圈接收感應二次磁場。 -
The algorithms estimate the doa of the broadband distributed source fron the secondary diagonal elements of the covariance matrices generated from every frequency domain of the received broadband signals, thus avoiding unwrapping of phases
該類演算法首先將陣列接收的寬帶信號變換到頻率域，然後對于每個頻率形成陣列接收信號協方差陣，最後由該協方差陣的次對角線元素估計寬帶分佈源的到達角，其主要特點是避免了相位展開。 -
Spatial distribution and time scales of atmospheric diffusion over beijing area are revealed by means of a random walk simulation model and practical meteorological data with a specified emission source from the city. results show a southward transport pattern for wintertime while a northwest transport of pollutants in summer. the area is the least evidently influenced by the emission source in spring, while the largest in autumn. the time spent for instantly emitted material removing from the model domain varies from winter - spring to summer - autumn. the former was shorter one of less than 20 hours ; the latter was longer one of approximately 30 hours. distribution of occurrence probability for different removal times was not symmetry. reducing slowly at the end of longer removal time, probability exists for pollutants remaining in this area a long time
結果表明，冬季示蹤物偏南夏季偏西北的輸送明顯春季擴散影響范圍最小秋季最大。示蹤物從200km200km模式區域輸出的平均時間去除時間明顯分為冬春季和夏秋季兩組，前者較小，平均在20h以下，後者較大，平均約30h 。不同去除時間出現的頻率分佈是非對稱的，在長去除時間一側，出現頻率下降緩慢，顯示污染物有在該區域內長時間滯留的可能。 -
The super resolution effect of sb layer super resolution structure is also investigated with near - field scanning optical microscope. in addition, a rigorous three - dimensional ( 3d ) optical electromagnetic finite - difference time - domain ( fdtd ) model for analysis of a sil system is detailed. in order to accurately analyse sil model, a new method of setting a focused gaussian beam source in fdtd grids is presented
此外，本文還建立了對sil系統光傳輸特性進行模擬的時域有限差分程序，提出一種在fdtd模擬的離散空間設置會聚高斯光源的新方法，並模擬了會聚高斯光束在sil系統中的傳輸，研究了sil在不同離焦情況下底面出射光場幅度及光束半徑的變化規律，為sil存儲系統的優化設計提供了理論依據。 -
I do utilize a variety of addresses within the domain i control to detect the source of spam leaks ; but the unfortunate truth is that most spammers get my e - mail address the same way my legitimate correspondents do : from the listing at the top of articles like this, and other public disclosures of my address
利用了多個地址來檢測「漏網」垃圾郵件的來源；但不幸的事實是，大多數垃圾郵件發送者可以用與合法郵件發送者相同的方法獲取到我的電子郵件地址：象這篇文章一樣，從文章的頂部獲得地址列表，以及其它有關我地址方面的公開信息。 -
Source excitation and parameter extraction for time - domain simulation of rectangular waveguides
矩形波導時域模擬中的激勵源設置和參數提取 -
Since the late 1990s the information extraction on web tables was probed into study, and at present, all the research on it is still quite preliminary. according to the technology studied at present, there are two methodologies. one is based on wrapper, which is a traditional methodology used in ie area and inherently highly web source or domain specific and always non - reusable. the other one is based on table structure recognization, which is mainly study in this thesis. the focus of this thesis is to investigate a methodology which is domain - independent and can adapt more web source to recognize table structure
從當前的研究技術上看，主要有基於包裝器（ wrapper ）和基於結構識別兩種方式。前者是傳統的信息抽取方法，對頁面結構的依賴性強，可重用性差;而後者則是本文研究的重點。本文旨在希望通過研究一種具有空間適應性和領域獨立性的表格結構識別技術，使應用程序能夠達到理解表格的目的，從而將其應用在web表格信息抽取領域。 -
First, we reviewed the finite - difference time - domain yee ' s method. the difference equations, the stability condition, numerical dispersion characteristics, absorbing boundary conditions, incident wave source conditions and the calculation of the frequency - dependent scattering parameters are discussed
首先本文回顧了時域有限差分yee演算法，包括時域有限差分的差分方程、穩定性條件、數值色散特性、吸收邊界條件，激勵源的設置以及散射參數的計算等。 -
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。 -
Frequency domain solution of a rotating point source in an infinite duct
圓管內旋轉點聲源聲學頻域分析 -
With the existing condition, the bar waveguide on the lithium niobate wafer with liquid phase proton - exchanged method has been fabricated and the benzoic acid is used as the proton source. a series of research on the domain inversion in lithium niobate crystal with proton - exchanged method have been done. and then the operation and the process of domain inversion in lithium niobate crystal with proton - exchanged method has been used
實驗方面，利用實驗室現有條件，在鈮酸鋰晶片上以苯甲酸為質子源，用液相質子交換法製作了條形波導;對用質子交換法實現鈮酸鋰晶體疇反轉進行了一系列實驗研究，在此基礎上提出了質子交換法實現鈮酸鋰晶體疇反轉的工藝過程，實現了疇反轉並腐蝕得到了v型槽;設計製作了帶尾纖的電光相位調制器，最後進行封裝。 -
Abstract : reviews the methods of defrosting control of air source heat pumps, puts forward the idea of self - tuning fuzzy defrosting control, and presents the fundamental construction, the method for determining the input domain and converting input parameters to fuzzy data
文摘:回顧了空氣熱源熱泵除霜控制方法，提出了自調整模糊除霜控制的思想，介紹了系統的基本結構，輸入論域的確定，輸入量的模糊化和模糊推理方法。 -
The conformal microstrip antenna with some unique character has been applied in many fields, especialy on speedy objects. in this paper, an efficient fdtd algorithm is introduced to analyse the microstrip antenna. firstly, the fdtd formula in descartes coordinate system and in cylindrical coordinate system are obtained from the time _ dependent maxwell equations using the yee algorithm in a calculating region where the dielectric parameters are independent of time and space. the choice of the space discretization units and the time discretization interval are discussed which are decided by the accuracy and stability respectively. the shape and setup of the excitation source are discussed too. the excitation source is chosen to be gaussian pulse in shape. secondly, the mur ' s first - order and second - order boundary condition are deduced in cylindrical coordinate system. the methods of transforming radiation fields from near zone to far zone in the frequency domain and in the time domain are presented when fdtd is applied to analyse the characteristics of far zone. finally, three kinds of microstrip antennas are analysed. they are a slot antenna that lies on a plane ground of a microstrip, a slot antenna that lies on a cylindrical ground of a microstrip and a microstrip line _ fed aperture coupled stacked rectangular patch antenna in cylindrical coordinate system
本文從麥克斯韋旋度方程出發，建立了笛卡兒坐標下無源空間中均勻無耗媒質的fdtd基本方程和圓柱坐標下無源空間中均勻無耗媒質的fdtd基本方程，詳細討論了fdtd法計算中時間步長和空間步長的選取原則以及激勵源的類型和設置；推導了mur一階和二階邊界條件在圓柱坐標下的差分格式；給出了在用fdtd法計算天線的遠場輻射特性時必需採用的頻域和時域近場遠場變換技術；最後用fdtd法計算了平面微帶縫隙天線、柱面共形微帶縫隙天線和柱面共形微帶層疊天線的輸入阻抗和遠區輻射場，並分析了天線的一些參數的變化對天線輸入阻抗的影響，得出了一些有用的結論。 -
On the one hand, the definition of meter can be trace to the source via the step height in the surface measurement technology ; on the other hand, the problems of measurement of step height occur almost everywhere in the industrial domain that relies mainly on semiconductor manufacturing
表面臺階高度測量在表面計量學中有十分重要的作用。一方面，表面測量技術通過臺階高度可以溯源到米的定義;另一方面，半導體製造業為主的工業產業中涉及大量的臺階高度的檢測問題。 -
Since the analysis of the inverter and its control system is very complex, the frequency analysis, time domain analysis and control system is made in capacitance operated conditions limited to pressure of time and paper length. the research content can be summed up as follows : ( 1 ) a new equivalent circuit of dbd circuit ( dielectric barrier discharge ) that consider the consume of transformer, the on - off switching loses and so on is presented based on the ozonier powered by sine current source. as compared with the former equivalent, the new equivalent circuit can be depicted the actual ozone circuit accurately
本文主要針對容性狀態下的臭氧發生器電源進行相關研究，研究內容包括以下幾部分: （ 1 ）在正弦電流源供電的dbd型發生器的基波等效電路基礎上，提出了一種考慮電路雜散損耗（變壓器勵磁損耗、開關管開關和導通損耗以及其他元件的熱損耗）的改進型基波等效電路，並採用該等效電路得出了適用的臭氧發生器電源設計方法，實驗驗證了該基波等效電路具有工程設計精度高的優點。 -
The source data could also come from a single data source ; this kind of data integration usually involves domain value merge and conversion
源數據還可能來自單個數據源；該類型的數據集成通常包含域值的合併和轉換。 -
Studies show that spatial metaphors are a kind of schema in which the source domain is the spatial concepts and the target domains are abstract and non - spatial therefore, a word with spatial meaning may get some other meanings indicating abstract and non - spatial concepts through spatial metaphors
因此，一個表示空間概念的詞語其詞義往往在原型意義空間意義的基礎上經隱喻拓展而獲得許多新的抽象的意義。 -
One is to use fourier transformation to convert the source signal from time domain to frequency domain and to discard high frequency harmonious components upwards of 19 ( gb / t14953 - 93 d5. 3 demanding ), then to have static huffman coding to the quantized char array which is composed of reserved direct current component and basic wave and each high frequency " s amplitudes and angles. the other is to use discrete wavelet transformation to convert the source signal from time domain to frequency domain and to set the high frequency coefficients that its absolute value is smaller than the given threshold to zero, then to have dynamic huffman coding to the quantized char array which is composed of multiple, wavelet ' s level, datum length, low frequency coefficients and reserved high frequency coefficients. mass simulinks and analyses under the two circumstances have done to show that data compression ratio is small and the relative error is also small and within the permission of engineering and the compression problem can be solved in theory of measured datum of power system
第一種情況的壓縮方法為：採用傳統的傅立葉變換把原始信號從時間域變換到頻率域，舍棄20次及其以上的高次諧波成分（保證了gb / t14953 ? 93d5 . 3要求） ，然後對保留的直流分量、基波和各次諧波的幅值和相角數據量化后和量化時分別乘以的倍數系數構成一個數組，以字元形式保存，採用靜態huffman編碼對變換數據進行壓縮；採用離散小波變換把原始信號從時間域變換到頻率域，然後對分解得到的高頻系數進行閾值量化處理，對乘以的倍數系數、小波變換的階數、小波變換后的低頻、各級高頻以及原始數據長度、量化后的低頻系數以及保留的高頻系數大小、位置構成一個數組，以字元形式保存，採用動態huffman編碼對這個文件進行壓縮。 -
Finite difference method can deal with regular boundary conditions. in this paper, we discrete the water domain into rectangular meshes, and simulate the propagation, reflection and diffraction of water waves. we just specify waves source, the movement of water waves can be simulated automatically
有限差分方法能夠處理具有規則邊界水域的水流現象，在本文中，我們把求解的水域離散成結構矩形網格，對水流的折射、反射、繞射等水流現象進行了動畫模擬，我們僅僅指定產生水流動畫的波源，水流動畫的細節均由數值方法產生，不需要人工的干預。
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