射影性質 的英文怎麼說

中文拼音 [shèyǐngxìngzhí]
射影性質 英文
projection property
  • : Ⅰ動詞1 (用推力或彈力送出) shoot; fire 2 (液體受到壓力迅速擠出) discharge in a jet 3 (放出) ...
  • : Ⅰ名詞1 (物體擋住光線后映出的形象) shadow 2 (鏡中、水面等反映出來的物體形象) reflection; image...
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • : Ⅰ名詞1 (性質; 本質) nature; character; essence 2 (質量) quality 3 (物質) matter; substance;...
  1. In this article, considering the character of the one - dimensioned continuum and the cross - section, the varied quotiety of the strain can be presented as the mode function to identify the damage. and inversion of the elastic wave is presented to detect the injures when the area is the variable of the inversion, for the pip usually buried under the earth or enwrapped into the protection make the detection difficulty by the mode of vibrancy. the influence of the area must be considered if the exactness is the pre - requisition

    在論文中,考慮到壓力管道的一維,提出用應變模態改變變化率的方法對一維的結構進行損傷識別;同時考慮到在實際的工程和現場測試中,壓力管道大多深埋在地下或者有外在的保護膜,不宜進行模態的檢測,所以也考慮利用彈波的方法對壓力管道的參數和截面進行反演識別,從而得到我們感興趣的東西,達到損傷識別;一般,在利用彈波反方法進行損傷檢測中,不考慮截面效應對彈波的衰減響,這就對損傷檢測造成一定的響,本文考慮截面效應的響,通過實驗來確定截面效應系數。
  2. Atomic emission spectrum and phase properties of the field in some atom - field coupling systems are investigated. effects of quantum interference between two different transition pathways on atomic emission spectrum and phase properties of the field are discussed

    本文研究了光場與原子相互作用系統中原子的發譜和光場的相位,討論了原子不同躍遷通道間的量子干涉對原子發譜和光場相位響。
  3. Compared to other commonly referenced high - k materials, hfo2 is known for its stability on silicon and process compatibility. the fabrication and electrical properties of hfo2 and hfoxny gate are carefully studied. with the study on hfo2. we can receive a few significative conclusion : 1

    結果表明,與傳統的hf清洗的si表面相比, nh _ 4f清洗的si表面與hfo _ 2具有更好的熱力學穩定,因而可獲得更低的eot和柵泄漏電流密度; 3 )研究了濺氣氛和退火工藝對hfo _ 2柵介薄膜響。
  4. By taking advantages of epipolar line features and depth discontinuities in reference 中國科學院 軟件 研究所 博士 學位 論文 基于 圖 象 的 快速 繪制 技術 的 研究 images , an efficient inverse wmping algorithm is pfoposed in chapter 3 for gcnerating nagcs of novel views by combining multiple eference images 帆 enhm different vie 呷 oints because continuous segnents determi 。 d by pairs ofedge pixels at co 。 spending epipolar lines are order kept , only pairs of edge pixels in the reference 渝 明 e e necess 叨 口 cowute to obtain generalized disparity of all points in the desired image as a result , sighficant acceleraion could be made in the endering pfo 比 鴕 two accelerating techiq 此 s e presented in this algori 山 mb accelerate the hole illing process his algorithm extends the reference images rom projection of single col : ii ’ ected surface in previously developed nvnverse w 出 下 er to ima 驢 s captured rom complex scene in chapter 4 , an 《 dent ibr method is prese 庇 仙 y takn ull 訕 antage of 呷 bies c 咖 the method can simulate the 3d details on sllri : ace of object successfully he 。 叩 proach , called rered ature mopmp consists of two pans at fst , an origi 。 ltexture with orthogonal displacements per pixel is deco 啊 osed into a series of new t6 刀 mfcs with each 他 lug a given displacement per pixel , called ae , ea atures , or lt hen hese lt e used to render the novel view by conventional texture mapping d avoid gaps n the endered hlla 驢 , some phels are to be interpolated nd extended in the 廠 kaccoding to the depth differe eee between two neighbor pixels in the original texture as these ltlt fc … e much storage nd therefore much time is equired to install ltlt into the text ’ ufc buffec an 舊 thod is pfoposed to co 呷 fcss the ltlt , nd the cottcspondingfclldering method is given experimental esults show that the new method is efficient , especially n rendering those objects with a smaller depth rnge compared withtheir size , such as relief surfaces of building

    與己有的三維變換方法相比較,該方法不但成功地填補了由於投區域擴張而產生的第一類空洞,而且成功地填補了由於空間深度非連續物體相互遮擋而產生的第二類空洞,從而方便地實現了虛擬環境中的漫遊;基於物體表面深度的連續,本文提出了一個位移預測方法? ?此方法可以從單幅參考圖象獲得逆映過程中所需要的目標圖象的位移信息,從而大大提高了演算法的效率:與通常的正向映演算法相比,此演算法克服了多幅參考圖象所帶來的計算量成倍增長等問題,而且誤差較小。 2 )基於極線幾何的快速逆映演算法。利用參考圖象的邊界信息與隱含的遮擋關系,以及極線幾何的,本文第三章提出了一個基於極線幾何的快速3 『一中國科學院軟體研究所博士學位論文基於圖象的快速繪制技術的研究逆映演算法,從多幅參考圖象精確合成當前視點目標圖象。
  5. The law doesn ' t spell out the nature of the threat, but it ' s widely thought to allude to imminent danger of an attack by china

    法案沒有明確說明威脅的,但人們普遍地認為它即將到來的中國攻臺的危險。
  6. The alpha particles released from polonium - 210 have a very low penetrating power and can be stopped easily by the outer layer of skin or a sheet of paper. it is unlikely that the particles can affect human body through direct irradiation. however the ionization power of alpha particles is very high

    釙210釋放的阿爾法粒子穿透能力很弱,人類的皮膚或一張紙已能隔阻它,粒子經照響人體的機會很微,不過由於它的電離能力很強,如果人類吸入或進食含有釙210的物,其釋放的阿爾法粒子就能直接破壞內臟細胞,即使所吸收的份量不多,也會損害身體健康,急高劑量阿爾法輻可以引致輻中毒。
  7. The radar cross section of grounded open cavities is computed by fem combined with boundary integral equation method. the cavities filled with complex materials are also analyzed. accurate results have been obtained

    應用eb - fem結合邊界積分方程對接地腔體的雷達散面積進行了分析,討論了腔體內復雜介填充情況對散響,得到了比較精確的結果,討論了該混合方法在分析此類問題中的優缺點。
  8. Scattering of the cloud or raindrop for radar wave was always the principal causes of meteorological interference. the author, according to specific property of the spherical or unspherical points, analysed some decline phenomena in propagation for radar - wave, especially the typhoon rainstorm

    雲雨滴對雷達波的散是產生氣象干擾的主要原因.根據球形、非球形點的散,分析了雷達波在傳播過程中受其響所產生的各種衰落現象,特別是臺風暴雨
  9. Powders properties of different phases such as the granularity, the shape and the component have been analyzed by the methods of sieving, gravity sedimentation, spectrophotometry, scan electronic microscope ( sem ), transmission electronic microscope ( tem ) and x - ray diffraction ( xrd ). the results show that technic of ball milling and parameters of heat treatments are important influencing factors to properties of cu - zn powders

    採用篩分法、重力沉降法、分光光度法、掃描電鏡法、透電鏡法和x線衍法對不同階段的銅鋅粉末的粒度、形貌、成分等進行了分析,結果表明:球磨工藝及熱處理參數對銅鋅粉的能有重要響。
  10. Studying the heat - mass transfer and multi - spices electric - chemical reaction, a dynamic temperature model was deduced for molten - carbonate fuel cell stack. the thermal radiation, shift reaction, and the change of gas spices were considered in this model. establishing momentum equation, the paper has developed a 3d temperature and flow fields model for mcfc stack based on cfd technique

    建立了熔融碳酸鹽燃料電池堆內部單體的暫態溫度模型,並考慮了電堆的輻換熱、轉換反應、反應氣體組分變化對溫度場的響;根據mcfc的微分控制方程組,考慮氣體組分的熱力學及動量變化的響,利用數值分析方法求解熔融碳酸鹽燃料電池堆的三維流場與溫度場,分析了各作用因素對熔融碳酸鹽燃料電池堆溫度分佈的響機制。
  11. 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的fdtd基本方程和圓柱坐標下無源空間中均勻無耗媒的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場,並分析了天線的一些參數的變化對天線輸入阻抗的響,得出了一些有用的結論。
  12. The results show that the thermodynamic properties of propellant combustion gas products have an important effect on its expanding power, and the correlation between conventional energy parameters such as impetus, potential energy and its power capability is not identical

    結果表明,發藥燃氣產物的熱力學對其膨脹做功具有較大的響,傳統的火藥力或潛能能量參數與做功能力之間的關系並非完全一致。
  13. Further, analyse the characteristic of the seismic wavefield of fractural reservoir and the influence caused by fracture density, property of the filled material and the strike of fracture. fifthly, in term of research of zhangshulun et al., concisely discuss the arithmetic of the plane wave forward modeling and migration with phase shift method, in prestack common offset gathers and check the arithmetic by numerical simulation

    第四,用基於彈?聲學近似的反系數計算公式和本文提出的付氏變換子波生成法得到縫洞模型的反系數模型和子波模型並用vrselrf波場延拓運算元對其進行地震波場數值模擬;進一步分析了縫洞儲層的地震波場特徵及縫洞密度、充填物和裂縫走向對其波場特徵的響。
  14. Octadecanoic acid ( oa ) / octadecylamine ( oam ) mixed monolayer were absorbed by hsa from the observation of surface pressure - molecule area ( n - a ) isotherms, differentiated curves of 0a / 0am monolayers and uv - vis, ft - ir spectra and fluorescence emission spectra of 0a / 0am lb film. the property change of 0a / 0am monolayer led to the change of crystal growth induced by the monolayer. when the concentration of hsa in subphases containing cac2o4 supersaturated solution rises from 0. 00 % ( wt % ) to 0. 10 %, cot, cod and com form beneath oa / oam monoalyer, respectively

    通過比較含不同濃度人血清蛋白( hsa )的草酸鈣過飽和溶液亞相上十八酸十八胺( oa oam )混和單分子膜的壓力?單分子面積( - a )等溫線,微分曲線及oa oam混和lb膜的uv - vis光譜、 ft - ir光譜以及熒光發光譜,可以看出, hsa吸附於oa oam膜上,使oa oam膜的改變,並且響到oa oam單分子膜對草酸鈣晶體生長的誘導作用。
  15. The details are described as follows : 1. the photonic bandgap theory based on total internal reflection ( tir ) pcfs filled with by high index material ( nlc ) is proposed for the first time. based on this theory, the effects of nlc - filled tir - pcfs on the transmission mechanism and propagation properties are studied using plane - wave method and full - vector fem

    主要研究內容和成果包括以下基本方面: 1 、首次提出基於填充高折率介(液晶)的折率引導型pcf的光子帶隙理論分析方法,在此理論的指導下,採用平面波展開法和有限單元法研究了填充對光纖傳導機制和傳輸特響,研究結果表明液晶填充可以實現光子晶體光纖導光機制的轉變。
  16. On the basis of this, the effective reflective index with the variation of the carrier density is discussed. this paper also analyzed the random facet phase and the length of the cavity ' s influence on threshold characteristic. especially, the wavelength tuning characteristics have been investigated in detail when one segment works as absorbed region

    在此基礎上,研究了每一段等效反率譜曲線隨載流子濃度變化的情況;分析了邊界相位的不確定以及激光器腔長對閾值特響;重點討論了其中一段工作在吸收狀態下的波長調諧
  17. In view of this case, the paper mainly studied sound radiation properties of structure, sound source identification methods, main factors affecting frame radiated noise and the common way to control the noise radiated by rotary machines. the detail research shows as fellows : ( 1 ) study on sound radiation properties of box - shape structure

    根據這種情況,本文以旋轉機械結構噪聲為主要對象,比較系統地對結構聲輻、聲源識別方法、結構聲的主要響因素以及旋轉機械結構噪聲控制的普遍方法進行了研究,具體研究內容如下: ( 1 )箱形結構聲輻的研究。
  18. The 2d affine projection model is analyzed from geometrical relation of parallel projection, the conversion of projection, the foundation of strict mathematical model of 2d affine. the characteristics of 2d affine projection are illustrated by experiments

    從平行投的幾何關系分析、投的轉換、嚴格仿變換數學模型的建立等方面,深入研究了基於仿變換的傳感器模型,給出了實驗結果和分析結論。
  19. In this article, we study protective properties of finsler metric especially shen metric, kropina metric and generalized randers metric

    本文主要研究一般finsler度量以及三個特殊finsler度量: shen度量, kropina度量,廣義randers度量的射影性質
  20. 4 study on the virtual therapy machine it is possible to construct any existing therapy with the model of a multi - rigid - machine, being designed as an actual teletherapy machine. with the change of therapy equipment parameters, which can describe the moving of couch, pedestal, gantry and collimator, the motion of the model can be displayed simultaneously

    6虛擬放治療儀的研究虛擬放治療儀是一種配合設計放療計劃的虛擬設備,它能全面模模擬實放治療儀的各種運動,能夠動態顯示機器參數和機器參數設置對響,為放療計劃實施提供了訓練和教學的最佳手段。
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