影象位移 的英文怎麼說
中文拼音 [yǐngxiàngwèiyí]
影象位移
英文
image displacement-
Projection algorithm is presented as follows : first, characterize the reference image and the float image and turn into binary images ; then, project the binary images onto the abscissa and y - axis and get the projection vectors ; last, according to the elements of the vectors, the rotation and translation parameters were calculated separately
投影法通過二值化參考圖象和浮動圖象，沿x軸、 y軸投影得到投影向量，然後根據投影向量元素的大小和位置，分別檢測圖象間旋轉、平移運動的大小。" just about every single person who got off the bicycle at our ride - and - drive said it s amazingly smooth, " klehm says. with a nuvinci bike, riders can shift whenever they want, at any speed, whether they re pedaling or coasting, going uphill or down. " our transmission technology is scalable from bicycles to wind turbines, " he said
車架瞬間轉點的位移向量與搖臂軌跡為同一直線上，影響效果包含了踩踏與煞車功能，而這設計能讓車架在避震行程內，將振動做最佳有效化的移轉，來提供好的騎乘感，並降低甩尾現象與減少踩踏的反作用力。The median is not as highly influenced by the frequency of occurrence of a single value as is the mode, nor is it pulled by extreme values as is the mean.
中位數既不象眾數那樣受到數值出現次數的影響，又不象平均數那樣隨著特殊值的大小而偏移。Some conclusions are drawn : 1 ) effect of inertial force from superstructures on the lateral seismic response of single pile can not be ignored ; 2 ) the lateral seismic response of single pile induced by far - field earthquake are mainly affected by acceleration mass of superstructure > site eigenperiod. it increases with the increment of accele ration and mass of superstructure. as the site characteristic frequency approaches the self - oscillation frequency of the pile, sympathetic vibration occurs and the value of lateral seismic response reaches maximum ; 3 ) as the stiffness ratio of pile to soil increase, the relative displacement of pile to soil increases ; 4 ) the lateral seismic response of fixed - head pile is much smaller than that of free - head pile
將其解析解與具體的的抗震設防烈度和場地特徵周期結合起來，計算分析了成層地基中單樁的橫向地震響應，得到了以下結論： 1 ）上部結構慣性力對樁的橫向地震響應的影響不可忽略； 2 ）成層地基中的單樁的橫向地震響應主要受地震基本加速度、場地特徵周期、上部結構質量的影響，隨地震基本加速度、上部結構質量的增大而增大；場地特徵頻率越接近樁基自振頻率，樁基地震響應越大，等於自振頻率時，由於發生共振現象，樁基響應幅值最大； 3 ）樁土剛度比越大，樁土之間的相對位移的幅值越大； 4 ）樁頂固接的連接方式，可以有效地降低地震時單樁的橫向地震響應。In this thesis, four types of steel beam - rectangular cfst column connections, including normal welded flange plate ( wfp ) connection, bolted flange plate ( bfp ) connection, stiffened end plate ( sep ) connection and double split - tee plate ( dst ) connection, were designed based on the configuration of steel frame connection. total 8 models, 2 models of each kind of connections were tested under low - reversed cyclic loading at the end of cfst columns. the relationships between force and displacement at the end of columns, the relationships between the moment and rotation of the joints, degradations of strength and stiffness, ductility, failure mechanism and failure characteristics of these four connections under different axial - compression ratios were presented
本文借鑒鋼框架節點構造，設計了四種類型矩形鋼管混凝土柱與鋼梁連接節點，包括常規栓焊（ wfp ）節點、翼緣全螺栓連接（ bfp ）節點、雙t板連接（ dst ）節點以及加勁端板連接（ sep ）節點，進行了四類節點8個模型試件在柱端低周反復荷載作用下的抗震性能試驗研究，比較了不同軸壓比下節點的滯回性能、強度與剛度退化、延性、破壞機理與破壞特徵，主要結論有： 1 、節點的位移滯回曲線與轉角滯回曲線為塊型分佈，沒有或略有捏攏現象，耗能能力強； 2 、軸壓比對節點滯回曲線有顯著影響，全部節點都有顯著的剛度退化； 3 、位移與轉角骨架曲線在峰值荷載後有較長的水平或下降段，具有良好的延性性能； 4 、從整體抗震性能上看，翼緣全螺栓連接節點、雙t板連接與加勁端板連接節點都優于常規栓焊節點，可在實際工程中加以推廣。The algorithm can not only eliminate the influence of the cumulative errors of the photoelectric code recorder, but also it can satisfy the requirement of the real - time control. a direct inverse model controller of fuzzy neural network with changeable structure based on takagi - sugeno inference is presented and it is used to the motion control of mobile robot. in order to avoid the obstacles successfully, detection results from ccd and ultrasonic sensors are fused by a fuzzy neural network, which acts as an avoidance controller
包括移動機器人的融合自定位問題：移動機器人利用光電編碼器進行自定位，同時用擴展卡爾曼濾波器融合多個超聲波傳感器的測量值，採用回朔演算法將融合值用於復位光電編碼器，消除了光電編碼器累積誤差的影響，並能滿足實時控制的要求：並提出一種基於takagi - sugeno模型的變結構模糊神經網路直接逆模型控制器，並應用於移動機器人的運動控制；利用模糊神經網路避障控制器融合ccd攝象機與超聲波傳感器探測到的環境信息，以實現機器人的安全避障。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影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性，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射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：與通常的正向映射演算法相比，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射演算法。利用參考圖象的邊界信息與隱含的遮擋關系，以及極線幾何的性質，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射演算法，從多幅參考圖象精確合成當前視點目標圖象。Then the coupling beams with new reinforcement layout were made an inquiry into, and the improvement on the seismic behavior by coupling beams diagonally reinforced with a few rows in end regions was found out at last, based on the observations of the experimental phenomena and the analysis of the measurement result, and by the comparison of seismic behavior by making use of hysteretic response, ductility and energy dissipation behavior, a conclusion is presented : the code for design and construction of reinforced concrete high - rise structures ( the draft asked for advise hi 2000 ) ca n ' t ensure that the coupling beams have fairly good seismic ductility ; the result of improvement of the seismic ductility of the coupling beams by the increase hi stirrups besides the strengthen of longitudinal detailing reinforcement was n ' t obvious ; the coupling beams diagonally reinforced with a few rows in end regions have fairly good mechanisms, and the ductility and the behavior of energy dissipation are better than conventionally reinforced concrete coupling beams, so it is suitable to te tised in short coupling beams
本文通過對三根小跨高比（均為l h = 1 . 0 ）剪力墻洞口連系梁在低周反復荷載作用下的試驗，了解了嚴格按《鋼筋混凝土高層建築結構設計與施工規程》 （ 2000年徵求意見稿）設計的連梁具有的抗震性能，研究了採取增大連梁配箍量同時加強縱向構造筋的方案對抗震性能的影響，並進一步對新的配筋形式的連梁進行了探討，了解了在連梁梁端配置多排交叉斜筋方案對連梁抗震性能的改善。通過對試驗現象的觀察和量測結果的分析，利用荷載?位移滯回曲線、延性和耗能性能等指標對各個試件的抗震性能進行了比較，最後得出結論： 《鋼筋混凝土高層建築結構設計與施工規程》 （ 2000年徵求意見稿）不能保證小跨高比連梁具有較好的抗震延性：通過增大連梁配箍量同時加強縱向構造筋的方案對改善連梁的抗震延性的效果不太明顯；梁端配置多排交叉斜筋的連梁具有相對較好的受力性能，其延性和耗能性能等各項性能指標均優于普通配筋連梁，宜在深連梁中採用。By taking advantage of parallel lines and orthogonal lines in architecture, the camera internal parameters, rotation and translation can be recovered from a set of un - calibrated images via computing absolute conic and vanishing points. the euclidean 3d model of architecture ( up to a scale factor ) can be recovered too
利用建築物中常見的平行直線和正交直線等特點，通過絕對二次曲線和消影點等射影幾何量的計算，可以從圖象中恢復攝像機的內參數、旋轉和平移位置，同時恢復建築物的三維歐氏幾何模型（相差一個尺度因子） 。The top beam can reform the force - bearing mechanism of the retaining piles because the cantilever piles can be fixed by adding a restriction on the top of the piles and the displacement of the piles can be reduced too. as the same time, top beam can harmonize the displacement and force of the piles and avoid the phenomenon of chain failure as one of the piles is destroyed. if the top beam are closed it can work well because the support on the two ends
樁頂圈樑對支護樁的作用主要體現在：改善支護樁的力學性狀，變懸臂樁為頂端約束的超靜定狀態；對樁頂位移起限製作用，減小基坑工程對周邊環境的不良影響；協調各樁之間的受力和位移，避免局部受力過大引起各樁之間的連鎖破壞現象。On the basis of simplified calculation model presented by doctor wangxiaoping, some finite element models are set up. by finite element model program sap93, an analysis of static models of 18m - span and 30m - span w666 acmr in different supporting conditions is made. also a study on the relation between definite support displacement, which reflect variational stiffness of substructure represented by steel column or reinforced concrete column, and load - carrying capacity mechanical performance is made too
本文以w666金屬拱型波紋屋頂為研究對象，沿用王小平博士的簡化計算模型，對18m 、 30m跨波紋拱兩端不同支座形式（鉸支、固支和彈性支座）分別利用有限元計算程序sap93進行計算分析，研究波紋拱在不同跨度，不同支座形式下，不同外荷載作用時對該結構受力性能及穩定承載力的影響，同時分析下部支承鋼柱、鋼筋混凝土柱的剛度變化體現為允許支座位移的大小與結構受力性能及穩定承載力之間的關系。Firstly, with uniaxial symmetrical rectangle cross section, the warping displacement function and tangential displacement function under anti - symmetrical load are supposed. then taking shear deformation into account and with potential principle, the governing differential equation for distortion angle subjected to uniformly distributed distortion load is established
首先，以單軸對稱矩形截面薄壁桿件為研究對象，假設其在反對稱荷載作用下翹曲位移和切向位移的分佈函數，考慮剪切變形的影響，利用最小勢能原理建立單位均布畸變荷載作用下的畸變角微分方程。The results show that the elastic membrane thickness, actuator span and gap spacing have a strong effect on the deflection, the actuator undergoes the deflection increasing nonlinearly at voltages below pull - in voltage and snap through instability at voltages above pull - in voltage when subjected to a voltage ramp, the re - set time and repeatability are attractive when the actuated voltage is set to zero
結果表明，驅動器的彈性薄板厚度、跨度和電極間距明顯影響變形位移；驅動器的變形位移隨驅動電壓的增加出現穩定的非線性增加和不穩定的「拉入」現象；驅動電壓撤除后鏡面回復時間短，重復性好。It brings ollt a fem model to calculate lateral earth pressures behide the integral - abutment with considering the inieraction of eallh and abdrient. aiming at the two inherent behavioral deficiencies inherent in all iabs " summer lateral earth. pressure increases after each temperature cycle ; and the settlement adjacent to each abutment develops after each temperatllre cyc1e, this article brings out two method to solve or relieve the above two problems
本文針對整體式橋臺橋梁的臺后填土存在著土壓力逐年增大以及臺后填土的沉降問題，建立了整體式橋臺橋梁的臺與土共同作用的有限元計算模型；並以臺后填土為研究對象，提出兩種主要處理方法：臺后設置eps壓縮層方案，選用臺後土加筋或置換輕填土方案；通過有限元分析計算了季節性溫度荷載變化下產生的位移在上述處理方法中對于臺後土壓力的影響。The main idea of this research can be summed up as following words, reflecting light or scattering light upon the surface of measured object formats an image on the photo surface of psd by a optical system, because of the good relationship between the offset of image point in psd and the offset of object thickness, a mathematical model can be founded according to this relationship. it can measure the shift of object thickness through these analyses of movement of image point position in psd, and this device can be tested its reliability with many practical specimens
光學式非接觸厚度-微位移測量儀是在激光三角測量法的基礎上實現的，在本研究方案中，根據象點在psd上的移動量建立與被測物厚度-微位移變化之間的數學模型，通過對象點位置變化的計算，實現被測物厚度-微位移變化量的測量。本文重點闡述了光學式非接觸厚度-微位移測量儀的工作原理，並對測量儀的工作過程進行了分析；對影響測量精度的因素做了討論。The study indicates that with the increase of the coal pillar width the peak mining stress delays its appearance and the increase of the displacement and stress are not synchronous
研究表明，綜放沿空留巷受采場礦壓影響時間和程度隨留巷煤柱寬度的增加表現出明顯帶后現象以及位移和壓力增長的不同步現象。The influence of illumination conditions on the detector and temperature in sample cell was investigated. and a method of calibrating laser trap stiffness using brownian motion in the condition of low sampling frequency was studied. furthermore, in order to study the mechanisms of polymerizaton and depolymerization of tubulin under different conditions such as ph, temperature, and biological factor, a flow sample cell with temperature - control system was designed and fabricated
在本課題研究中，一方面，我們建立和完善了一套國內領先的可以進行納米量級位移及pn量級力測量的光鑷系統，對光鑷系統本身的一些相關技術做了進一步的研究，提出了在低頻響條件下用布朗運動測量光阱剛度的方法，研究了光鑷系統中照明條件對樣品池中溫度及四象限測量系統的影響，並設計製作了用於微管實驗的流動樣品池，實現了對池內溫度的控制。In this paper, three - tower building with name of oriental tunes square in xiamen is analyzed by the international current program sap2000, considering seismic action in two directions. by structural modeling and calculation, the characteristic of vibration of the multi - tower structure is analyzed, the influences of the rigid ratio of the enlarged base to top tower and translation - torsion coupled effects among several towers are investigated, the inter - story displacement, displacement of the top tower and deformation of tower ' s base floor in x and y major orientation under earthquake action are contrasted with those under wind load. at last, the distributing characteristics of stress of transfer plate and of the normal, shearing stress of mostly vertical elements under earthquake action are studied
本文以具有3個塔樓的廈門東方時代廣場為分析對象，採用國際通用有限元分析軟體sap2000進行結構建模和分析，考慮雙向地震動輸入，研究結構的振動特性，分析底盤與塔樓剛度比對結構的影響以及多塔之間的扭轉效應和平扭耦聯作用，對比風荷載和地震作用下塔樓在兩個結構主軸方向的層間位移、頂點位移以及塔樓底層的變形，分析地震作用下轉換層樓板的應力分佈特點及主要豎向構件的正應力和剪應力分佈特點。Taking the deep roadways in 5th coal mine, pingdingshan group company of coal industry, as object of study, the effect of properties of surrounding rock on its displacement for deep roadway is evaluated by using the finite difference code flac ( superscript 3d ), and the variations of displacement of surrounding rock under different internal friction angles and cohesive strengths of rock are presented
摘要以平煤集團五礦的深埋巷道為研究對象，採用有限差分程序flac （上標3d ）研究了圍巖特性對深埋巷道圍巖位移的影響，獲得了不同巖石內摩擦角和粘聚力條件下深埋巷道圍巖位移變化的規律。With the development of agriculture and industry and the enlargement of man ' s activity, the demand of water supply has increased in the region over the past decades. in the backward areas along the heihe river, there are a lot of ecological environmental problems such as lake dried up, sustainable, lowering of ground water level, water pollution, soil salinization and desertification, degradation of natural oasis and grassland, as well as sand storm
近幾十年來，由於工農業的發展和人類活動的擴大，黑河流域中下游用水量的增加，黑河下游出現了嚴重的缺水現象，由此導致了一系列諸如河流湖泊乾枯、地下水水位持續下降、水質惡化、植被退化、土壤鹽堿化、土地風蝕化等環境問題。包氣帶水分、鹽份的分佈和運移對地表植被生長有著重要的影響。分享友人