plane source 中文意思是什麼
plane source
解釋
平面源-
Kohler illumination was used in proximity lithography, and a fly ' s eye lens was adopted to form multi - point source in order to uniform the light intensity on the mask plane
摘要接近式光刻中一般採用柯勒照明系統，並採用蠅眼透鏡形成多點光源均勻掩模面的光場分佈。 -
The source time function directivity is in accordance with the p waveform directivity, clearly showing that the nodal plane of strike 199 is the fault plane and that the earthquake ruptured unilaterally from the northeast to the southwest
震源時間函數的這種方向性效應與p波的方向性效應相一致，清楚地表明：走向為199的節面為斷層面，地震是從東北向西南方向單側破裂的。 -
Two spherical waves and multiple spherical waves interference, and yang ' s interference experiments are simulated by using different methods. two spherical waves interference is focused on the on - plane or out - plane of the spot light source plane and the observing plane. then, we analyze how the temporal coherence of optical waves influence the contrast of the interference pattern
用光波波前疊加的方法實現了對兩列球面波干涉、多光束干涉等實驗的模擬；用傳播矩陣描述衍射光波波前傳播的方法對楊氏雙縫和雙孔干涉實驗進行了模擬，並具體詳細地分析了單縫衍射對雙縫干涉的影響；另外還分析了光場的時間相干性對干涉條紋反襯度的影響。 -
On the basis of analysis and comparison between two drills, one in the center of bohai sea, another near the west shore of bohai sea, ultra - long electromagnetic wave remote sensing can be applied to forecast the interfaces between the different rocks, and help to choose the location of drill and drilling plan. the ultra - long electromagnetic remote sensing also can be applied to general investigation in the prospecting area and organizing the structural map on the basis of the profiles and plane. based on the analysis of the ultra - long electromagnetic wave curves from tanggu to dalian, the geological body to effect the high gravity and magnetic anomalies could be a mafic intrusion. the magma activity provided the heat source to organic maturation in the center of bohai sea, so the center of bohai sea could be the prospection of deep gas in bohai sea
根據渤海西岸和渤海中部兩口探井的探測和對比實驗分析，利用超長電磁波遙測技術可以根據已知探井的探測對比分析預測新探井的巖性界面，協助井位的選址和設計。另外，利用超長電磁波的探測技術可以從剖面和平面上對遠景區進行普查性探測，編制遠景區的構造圖。根據塘沽-大連探測的超長電磁波頻譜曲線剖面對比分析，證實引起渤海中部重磁異常高的地質體可能是基性超基性巖體。 -
The structural elements of controlling reservoir forming in kenxi area are studied and estimated systematically, the vertical and plane evolution processes of sedimentary in kenxi area are set forth, time and space spread and its controlling factors of the hydrocarbon source rock and reservoir are analyzed, two types of hydrocarbon source rock ( es3, es4 ), two types of heavy oil, two periods of hydrocarbon generation, two periods of hydrocarbon drain, two stages of reservoir forming and five dynamic systems of reservoir forming are definite in kenxi area
對墾西地區油氣成藏構造要素進行了綜合地研究評價，闡述了其沉積縱向及平面演化過程，分析了生油層、儲集層時空展布及其控制困素，識別出本區有沙四、沙三兩套油源層，兩種類型的稠油，有兩個生烴期、排烴期、成藏期，五個成藏動力系統。 -
The double shock pair is nearly symmetrical with respect to the central normal of the disturbance source in the heliospheric meridional plane, whereas it is asymmetrical in the heliospheric equatorial plane
該4個激波按離太陽由近及遠依次為後向快激波、後向慢激波、前向慢激波和前向快激波。 -
The source position not encompassed in a plane is indispensable to the exact reconstruction and the data redundancy is produced in the exact reconstruction, thus the complexity of the scanning system is increased and the speed of reconstruction is decreased
精確重建的源點軌跡不在同一平面上且有大量的冗餘數據，這樣就增加了掃描系統的復雜性並降低了重建速度。 -
The symmetrical part uses the source distribution on the center plane of the body whereas the asymmetrical part is achieved through the doublet distribution on the camber surface
求解完畢得到速度勢后，對其求一階導數得到物面上的速度分佈，進而通過伯努利方程求出物面上的壓力分佈。 -
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。 -
First thing is to use a suitable green " function, which is a essential solution of displacement field for the elastic half space with a half circular lining, which impacted by out - plane harmonic line source loading at horizontal surface
求解該問題的過程中，首先利用一個適合本問題的green函數，該函數為具有半圓環形襯砌的彈性半空間在其水平表面上任意一點承受時間諧和的出平面線源荷載作用時位移場的解答。 -
Chapter 5 describes the principles and the calculating methods of the incident plane - wave source and the radar cross section ( rcs )
第五章說明的是平面波源的加入和雷達散射截面的計算，包括工作原理和實現方法。 -
The application of transverse resonance theory is firstly extended further from plane homogeneous medium to the inhomogeneous spatial region by primarily combining the current martcatili method. then the simplex method is used to calculate the source point " s best position, frequency and the correspond wavenumber of the region
重點結合已有的marcatili法，首次將橫向諧振法從平面均勻分層介質中的應用進一步延伸到模擬地殼波導的三維非均勻空間區域中，再利用單純形法，確定源點在該區域的最佳位置、最佳頻率和對應的傳播常數。 -
Choice of government concerning the controlling of rural plane source pollution
農村面源污染治理的政府選擇 -
Abstract : the method of generating infrared image of target in the sky was proposed. at first, the geometric model of the target in the sky was built with grid ; secondly, using the theory of aerodynamic and heat transmission, the thermal equation of the different skin of target ( the skin with and without heat source, the skin with heat source and the skin of gasoline tank ) were established ; thirdly, as an example, the solution of the thermal equation of ultrasonic plane was obtained ; finally, the result of the computer simulation were proposed
文摘:提出了空中目標的紅外圖像生成方法，首先是空中目標的幾何建模及其網格化，然後據飛機空氣動力學和傳熱學原理提出了空中目標幾種蒙皮（單層蒙皮、內有燃油蒙皮、發動機影響區蒙皮）的熱平衡方程，然後以超音速飛機為例，介紹了方程的求解過程，最後給出了計算機的模擬結果及分析。 -
The migration results of the synthetic and ocean field datasets show that this method is correct and effective. several prestack depth migration methods are proposed and unified to the synthetic source record migration method. these methods include plane wave migration with fourier finite difference ( ffd ) extrapolator, maximum energy plane wave migration and prestack migration with phase encoding of areal shot records
通過對本文提出的平面波傅立葉有限差分疊前深度偏移方法、最大能量面炮記錄疊前深度偏移方法和相位編碼面炮記錄疊前深度偏移方法的研究，試算和對比，提出了合成震源三原則，根據這些原則，提出了合成震源概念和合成震源記錄疊前深度偏移方法。 -
Several evaporation sources, including the plane and spherical source, and their influence on film uniformity were studied
摘要分析了幾種可能的實際蒸發源與薄膜均勻性的關系，其中包括擴展的平面蒸發源和曲面蒸發源。 -
When the ratio between the depth of the spherical surface and the radius of the source surface is less than 0. 5, the spherical source has little effect on films uniformity compared with the plane source, and when it is greater than 0. 6, the influence of spherical surface source on films uniformity should be considered
得到的分析結果表明：當蒸發源半徑和夾具高度的比值小於1 / 17時，蒸發源可以被視為一個點面源；大於1 / 10時，應當把蒸發源視為面面源進行考慮。 -
The inland hillslope research methods are dominated by qualitative analysis and statistic analysis, therefore, much more studies need to be made to the hillslope water and soil mechanisms and processes, the prediction and evaluation of plane source pollution resulting from nutrient loss, the quantitative prediction model of hillslope water and soil loss and the interaction between the control measures and hillslops
國內對坡面的研究方法以定性和統計分析為主，在坡面水土流失機理及過程，養分流失所造成的面源污染的預測及評價，坡面流失定量預測模型以及控制措施與坡面的相互作用等方面仍需作進一步研究。 -
Verification regulation of the, standard plane source
標準平面源檢定規程 -
The determination of thermal conductivity of tetrahydrofuran hydrate at atmospheric pressure by transient plane source method
瞬變平面熱源法測定常壓下四氫呋喃水合物的導熱系數
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