目標反射理論 的英文怎麼說
中文拼音 [mùbiāofǎnshèlǐlún]
目標反射理論
英文
target reflectivity theory- 目 : Ⅰ名詞1 (眼睛) eye 2 (大項中再分的小項) item 3 [生物學] (把同一綱的生物按彼此相似的特徵分為幾...
- 標 : Ⅰ名詞1 [書面語] (樹梢) treetop; the tip of a tree2 (枝節或表面) symptom; outside appearance; ...
- 反 : Ⅰ名詞1 (方向相背) reverse side 2 (造反) rebellion 3 (指反革命、反動派) counterrevolutionari...
- 射 : 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) ...
- 理 : Ⅰ名詞1 (物質組織的條紋) texture; grain (in wood skin etc ) 2 (道理;事理) reason; logic; tru...
- 論 : 論名詞(記錄孔子及其門徒的言行的「論語」) the analects of confucius
- 目標 : 1. (對象) target; objective 2. (目的) goal; aim; destination
- 理論 : theory
-
Ion objective : to investigate effect of nd : yag laser irradiating root canals on periapical tissue. methods : three minipigs were used in this study, deciduous premolars were opened, pulps were extracted, root canals were enlarged, then irradiated with nd : yag laser 30s and filled conventionally. the changes of periapical tissue were observed after 1, 3, 7 and 15 days. results : after one day, periapical tissue showed enlargement and engorgement of blood vessel and a few of leukocyte, the changes were more serious than in control. after 3 and 7 days, there were minor reactions in periapical tissue and same as the control group. after 15 days, periapical membrance in most specimens was normal. slight inflammatory reaction was found in the test group as same as in control group. conclusion : there was little damage to periapical tissue with the laser irradiation
目的:觀察激光在根管內照射后對根尖周組織的作用.方法:選3隻小型豬,全麻下將乳前磨牙開髓、抽髓,根管擴大后,激光照射30秒,做常規根管充填.對照組為常規根管充填. 1天、 3天、 7天和15天後觀察根尖周組織的變化.結果:激光照射后1天,根周膜血管充血、輕度炎癥,對照組只有根尖周膜充血.激光組組織反應比對照組稍重.激光照射后3天和7天,少數病例根周組織有輕度的刺激與對照組的病理表現相近.激光照射后15天部分標本根周膜正常,部分標本有輕度炎癥反應,與對照組結果基本相似.結論:本激光照射條件對根尖周組織沒有明顯損傷作用,可供臨床應用時參考All the contents are developed around a set of scaling laws taking the form of exponentials which relate to almost all the issues of complexity including fractals, chaos, strange attractors, localization, and symmetry breaking, etc. the main work can be summarized as follows : starting from the law of allmetric growth three fractal dimensions in a broad sense are derived, and according to these dimensions, geographical space is divided into three levels, i. e., real space, phase space, and order space, each of which corresponds to a kind of dimension. based on the idea of spatial disaggregation and using the rmi ( relationship - mapping - reversion ) principle, the urban system is formulated as three scaling laws of the three spaces, including number law, size law, and area law, which can be transformed into a set of power laws such as allometric law and zipf ’ s law associated with fractal structure
從異速生長律的縱向、橫向和切向三個角度將地理空間劃分為實空間、相空間和序空間,分別對應于空間系列、時間序列和等級序列三個層面,每個層面的測度各有自己的空間維度。基於「空間循環細分-等級體系-網路結構」的數理等價關系,利用rmi (關系-映射-反演)原則,成功地實現了城市系統宏觀模型的理論抽象,將空間復雜性問題表徵為簡單的指數式標度定律(包括數量律、規模律和尺度律) ,這一組標度律可以與一組冪次定律(包括具有分形性質的規模-數目律、異速生長定律和三參數zipf定律)互為變換。Incremental length diffraction coefficients ( ildc ) is adopted to calculate the contribution of edge diffraction. in order to improve the accuracy of calculation, multi - scattering is discussed, based on the two former contributions and ray - tracing method. geometrical optics ( go ) and physical optics ( po ) are used to calculate the multi - reflection between facets and facets
對于鏡面反射採用物理光學法計算其散射貢獻,結合基於面元的目標模型的表示,採用離散的積分形式,將面電流積分化簡為線積分,簡化計算復雜度;對于邊緣繞射,運用增量長度繞射系數理論計算目標邊緣繞射場;在多次反射中,則以光線跟蹤方法為基礎,採用幾何光學、物理光學相結合的方法分析考慮多次散射場。In this paper, various previous brdf models, which include empirical models, geometrical optics models and theory models, are summarized and their merits and demerits are analysed. both shadowing function and facet distribution function as statistical characters of rough surface are discussed besides simpled fresnel reflectance function
本文首先總結了前人提出的各種目標表面brdf模型? ?經驗模型、幾何光學模型、理論模型等,分析了這些模型的優缺點,論述了隨機粗糙表面幾何光學統計特性? ?遮蔽函數、小面元分佈函數,簡化了菲涅爾反射函數。The main work of the thesis is as follows : we design a novel omni - mirror more applicable in robocup, which is made up of an isomeric horizontal mirror and an isomeric vertical mirror and can make the resolution of the imaging of the objects near the robot on the field constant and make the distortion of the imaging of the objects far from the robot small in vertical direction ; we select a 1394 digital color camera and complete the development of its software program for data acquisition ; we design a image processing algorithm for the panoramic image, which can segment the image by color, extract the features of image fast and effectively and complete the recognization of target ; according the character of the imaging, we design a new fast hough transform algorithm for line detection, which can detect the white mark lines of the field realtimely, and then design a robot ’ s self - localization method based the mark lines, which only uses the information of omni - vision system ; finally we design a monte carlo localization method based on the information of omni - vision system and odometry, and present the localization results of two localization methods and analyze the experiment results and get the conclusions
本論文的主要工作如下:設計了一種新的更適用於機器人足球賽的全向反射鏡面,該鏡面由水平等比鏡面和垂直等比鏡面組合而成,能夠使機器人近處一定范圍內水平場地上的物體成像解析度不變,遠處物體成像高度上變形較小;選擇了一款基於1394介面的數字攝像機,並完成其數據採集程序開發;針對全景圖像設計了圖像處理演算法,能夠快速有效的實現圖像顏色分割和圖像特徵提取,完成目標識別;根據全景圖像的成像特性,設計了一種新的用於直線檢測的快速hough變換演算法,能夠實時的提取出場地的白色標志線,並在此基礎上設計了完全利用全向視覺信息的基於標志線的機器人自定位方法;最後設計了一種基於全向視覺信息和里程計信息的montecarlo定位方法,給出兩種方法的定位結果,並分析實驗結果,給出結論。The theoretical analysis indicates that the main factors of cover - shelter properties of fabrics are cover factor of fabrics, fabric thicknesss, optical reflectance and absorbance of yarn. with a combination of distances and luminaces, 512 experiments were made to find out the relationship between the least distinguishable distance and reflectance coefficient
通過理論分析,指出了影響織物能見度的主要因素有織物覆蓋系數、織物厚度、紗線的光學反射率和吸收率.將測試距離跟織物前與織物后目標物的照度組合成512項實驗,由此獲得最小分辨距離和反射系數間的關系So it is very important to study the method and technology by dual frequency laser interferometer without orbit. and it is a significative task to study a kind of instrument to measure automatically without orbit. this paper adopts a measurement project to track the measurement reflector mirror without orbit by theoretical analyzing and simulant experiment
本文通過理論分析和模擬實驗,確定採用一種外置光路激光跟蹤測量的方法,即:在雙頻激光干涉儀前面,設置一個兩維跟蹤反射鏡,當測量反射鏡移動時,測控系統驅動控制兩維跟蹤反射鏡旋轉,跟蹤測量目標靶鏡的運動,保證測量信號不中斷,從而實現跟蹤測量。In his description of the project “ application oriented fundamental research on repair of nerve injuries and reconstruction of functions ”, started in 2003, xiao writes that one of the anticipated goals is “ to offer a deep interpretation of the mechanism behind the artificial somatic - central nervous system - autonomic reflex arc, laying the theoretical and technological foundations for resolving the malfunctions caused by injuries or other pathological effects on the spinal cord
2003年立項、至今仍未完成項目研究的肖傳國主持的「神經損傷修復和功能重建的應用基礎研究」項目的預期目標之一是: 「深入闡明人工體神經?內臟神經反射弧的機制,為解決脊髓損傷和其他脊髓病變所致大小便功能障礙提供完善治療技術和理論基礎」 。6. according to the theory of imaging of imaging spectrometer, through simulating the procedure of atmospheric radiation, a linear model was developed and applied in this study to re - build spectrum and got a satisfactory result. it lay a better foundation for object interpreting and quantitatively retrieves of information
根據圖象的構成理論,在嚴格模擬大氣輻射過程的基礎上,推導並採用一元線性模型來重建地物光譜,獲得了滿意的結果,為目標地物直接識別及其信息的定量反演奠定了基礎。In this paper applications of wavelet packet analysis, higher order cumulant method and some image processing method in the processing of gpr data acquired from subsurface target backscattering are presented, which includes the following contents : methods to denoise and suppress background clutter for target detection ; to improve the time resolution for target position ; target recognition
本文討論了小波包分析、高階累積量分析及圖象處理方法在沖擊脈沖探地雷達淺層反射信號處理中的若干應用,包括對目標去噪、確定目標時間位置及進行目標識別方法的研究。The main works and results are as follows : 1. by use of one order multiple scattering theory, light scattering and reflection by a single coating layer is analyzed. the variance of radiation intensity, bidirectional reflection distribution function ( brdf ) and laser radar scattering cross section with coating layer parameters is given, with the effect of rough contrast on bidirectional reflection distribution function
本文主要研究了單層和多層塗層結構介質的光散射特性,以及近場條件下復雜目標對激光波束的散射,其主要工作如下: 1 、採用一階多重散射近似理論分析單層塗層對光波的散射和反射,計算並討論了輻射強度、雙向反射分佈函數和單位面積激光雷達散射截面隨塗層結構參數的變化規律,數值分析了粗糙基底對雙向反射分佈函數的影響。分享友人