scattered point 中文意思是什麼
scattered point
解釋
散射點-
When the union flag was raised over possession point on 26 january 1841, the population of hong kong island was about 6, 000, mostly tanka fishermen and hakka charcoal burners scattered in a few poor villages around the coast
當英國旗在一八四一年一月二十六日在水坑口升起時，香港島的人口約有6 ， 000 ，大部分是蛋家漁民及客家燒炭工人，他們散佈於沿岸的數條貧瘠鄉村裡。 -
In this modality, line - scan is adopted instead of point - by - point - scan, and the count of scattered photons is obtained by parseing line - scanning energy spectral data
該方法採用逐行掃描代替逐點掃描，對行掃描的能譜進行解析以獲得散射光子的計數。 -
Moreover, taking the fatlute model of the covering parts of motorcycle for an example, it discussed the measurement plan method of prototype and the process of data handling. 2. pretreatment of points cloud according to the characteristic of scattered point cloud data, the issue elaborated in detail points cloud registration, which was based on the shape characteristic matching
論文運用一級模糊綜合評判方法研究了復雜曲面產品的數字化策略，並以摩托車覆蓋件油泥模型為例，討論了樣件的測量規劃方法和數據的處理流程； 2 、點雲數據的規范處理針對散亂點雲數據的特點，詳細闡述了基於形狀特徵匹配的點雲對正方法。 -
Fire detection and fire alarm systems - part 7 : smoke detectors - point detectors using scattered light, transmitted light or ionization
火災探測和火警系統.第7部分:煙霧探測器.使用散光透光或離子化的災點探測器 -
The conclusions are as follows : the ultrasonic intensity is proportion to the laser intensity ; the ultrasonic induced by a laser line source has much more advantages than by a laser point source, such as stronger energy, higher snr, more directivity and shape ; the intensity of cfpi ' s output signal is linear with ultrasonic vibration velocity, and is effected by incidence angle and scattered angle ; snr will increase by reducing cfpi ' s bandwidth, reducing incidence angle, increasing cavity ' s length and reflectivity
在分析點光源激勵聲表面波機理的基礎上，求出了線光源激勵的超聲振動的位移表達式，發現線光源激勵的近場區表面波具有波形好，信噪比高，指向性好，幅度強等特點。通過理論推導，得出共焦fabry - perot干涉儀的輸出光強除了與樣品表面的振動速度成正比，並與入射角和散射角有關；適當減小cfpi的帶寬，增加腔長，增大鏡面反射率，或者減小檢測入射角都可以提高系統的信噪比。 -
West restaurant on the first floor, not only product quality and range of international cuisine buffet, the u. s. has a rich delicacies and snacks snacks scattered point, the style shuhuai relaxed mood, carefully creating the atmosphere for elegant gourmet tastes become the most joy in life enjoyment
西餐廳位於一樓，不僅提供出品精緻琳瑯滿目的國際美食自助餐，更設有豐富的散點美饌及宵夜小食，寫意舒懷的輕松情調，精心營造的優雅氛圍讓品味美食成為人生最歡樂的享受。 -
With this approach, the surface model can approximate inner scattered points and interpolate boundary conditions while keeping the global gl continuity. actually, the study on the theory and technology of b - spline surface reconstruction with complicated boundary constraints is an essential and innovative point of this thesis
實際的運行例子表明，基於這種方案創建出來的曲面模型不僅能夠可調節性地逼近區域內部的散亂數據點，而且同時能夠插值于要求的邊界約束條件，從而保證整個曲面模型的全局g連續性。 -
The algorithm only needs to solve an ill - posed linear system and a well - posed minimization problem and requires only the knowledge of the near field measurements of the scattered fields due to point source fields at a finite number of incidence and observation points distributed over a limited aperture
該演算法只需求解一個不適定的線性系和一個適定的非線性最小化問題，而且只需要點源入射場的散射場在某個有限孔徑中若干有限個入射和測量點上的近場測量信息。 -
After the orderly reduction methods of massive scattered data being studied, this paper proposes a partial tangent plane slicing method and a virtual second - scan line method after giving a new k - nearest algorithm to re - organize the massive data. the new proposed methods of data reduction and grey theory based unusual noisy data process can be used to generate the scan line type data and it can be directly used to reconstruct curves and surfaces. the research lays a good foundation for reconstructing the cad model in a point - line - surface manner
4 .深入研究了海量散亂數據的有序簡化技術，在提出建立海量數據點鄰接關系k -鄰近新的演算法基礎上，提出了局部切平面切片法和虛擬二次掃描線法，實現了海量數據的有序重組，通過基於灰理論的數據簡化和異常點處理新方法，生成可用於直接重構曲線曲面的掃描線類型數據，為以點?線?面方式重構cad模型打下了良好的基礎。 -
On the basement of the quantitative analysis about the relationship between the rural industrialization and urbanization in gansu, the following conclusions have been drew in this paper ( 1 ) the development of town and township enterprises is the important driving force during the process of gansu ' s rural urbanization, and this point has been drew easily from the regression results showing that there is strong correlation ship between indexes about the urbanization process and ones about the development of town and township enterprises ; ( 2 ) nowadays the town and township enterprises ' driving on the rural urbanization of gansu ' s counties and restricts has seemed quite limited, because in the correlate analysis with the datum in 2003, the coefficient between the employment number of town and township enterprises and the urbanization level is only 0. 058 ; ( 3 ) there is no well mutually driving relationships between the rural industrialization and urbanization in gansu greatly because of the many existing problems such as too small business scale, capital shortage, low technique level, low quality of employees, imperfects of system etc. in the development of the town and township enterprises and the many deflects such as small scale, scattered distribution, signalized function etc. in the development of small towns
在對甘肅農村工業化和農村城鎮化的關系進行定量分析的基礎上，得出結論： （ 1 ）鄉鎮企業發展是甘肅農村城鎮化的重要推動力（回歸結果顯示城鎮化進程的指標和大部分鄉鎮企業發展的指標間存在著很強的相關關系） ； （ 2 ）現階段鄉鎮企業在全省各縣區城鎮化進程中的作用已相對局限（在對2003年截面數據的相關分析中鄉鎮企業就業人數和城鎮化水平之間的相關關系極其微弱，相關系數為0 . 058 ） ； （ 3 ）甘肅鄉鎮企業發展中存在的諸如經營規模過小、資金短缺、技術層次低、從業人員素質低以及體制制度方面存在缺陷等一系列問題和小城鎮發展中存在的規模過小、建設檔次低、布局分散、職能趨同性強等問題致使鄉鎮企業發展和農村城鎮化發展在現階段沒有能很好地相互推動和促進。 -
At this point, nc - si solar cell comes with its advantages of broader timescale, lower cost. the broader timescale merit of nc - si solar cell arises from its high absorption of light with wavelength around 300 - 800nm, no matter it is scattered or not, and no matter it is weak or blazing
在這一點上，非晶硅材料由於對波長在300nm - 800nm之間的光具有更高的吸收系數，因而有著更長的有效工作時間和更低的成本，不論光線是發散光還是平行光，是弱光還是強光，它都能夠予以吸收。 -
The theory of fitting scattered point to b spline and b zier surfaces is introduced and a fitting method based on four boundary and point set is also discussed. moreover, a
研究和討論了曲面光順程度的分析方法，如等曲率線法、反射線法、高亮度線法和等照度線法等。 -
The method is easy to use and fast calculation. 7 ) the aas ( average - approximation subdivision ) scheme had risen in this thesis. this scheme solved the problem of constructing three - dimension surface of distributing load continuously and smoothly from scattered point load
4 ）本文首次提出了均值逼近細分（ average - approximationsubdivision ，簡稱aas ）演算法，解決了由散亂的節點載荷確定連續的、有一定光滑度的三維分佈載荷的問題。 -
A method is used to approximate several differential properties, including mean curvature, guassian curvature and main curvature on scattered - point - sampled surfaces
摘要提出一種直接在散亂數據點雲上計算曲面的局部微分性質，包括平均曲率、高斯曲率和主曲率。 -
In chapter 3, the local structure of a scattered point set and its classical algorithms are investigated
第三章研究了散亂點集的鄰域結構及其經典演算法。 -
Two algorithms for delaunay triangulation from scattered points are suggested, one of which is from points in plane and the other from points in space. the problem of recognizability of 2d manifold is promoted and the relationship is pointed out between such recognizability and the local structure of a scattered point set
提出並論證了兩種計算散亂點集delaunay三角剖分的方法，即平面點集delaunay三角剖分的局部構造演算法和空間點集delaunay三角剖分的健壯演算法。 -
Algorithms of curvature estimation and data simplification of scattered point cloud data are studied. local surface curvature properties on scattered - point data are estimated using a parametric quadric surface approximation, and the key step is local base surface parameteration method which resolves parameteration of scattered - point data. an algorithm is presented for simplifying the scattered point cloud data based on curvature restriction
實例表明，本文演算法的簡化結果既較好地保留了形狀特徵，同時使點的分佈以點雲密集的強制保留區為中心，在向附近擴散的過程中逐漸變稀，避免簡化后點雲的局部過密或局部過稀的情況。 -
So, the research of cad model reconstruction from scattered point cloud should be carried out urgently. the main key techniques contents of surfaces reconstruction from scattered point cloud data include data pre - processing, such as denoising data 、 filling holes and simplifying data, segmenting data, producing quadrilateral domains, and fitting b - spline surfaces
本文直接以測量獲得的散亂點雲數據為對象，研究了點雲數據的幾何特性計算、平滑處理、孔洞修補、數據簡化等，在此基礎上，進一步研究了點雲數據分塊、四邊界區域劃分及曲面擬合。 -
This simplifying method can preserve critical shape features and simplifies acutely points in flat area. repairing holes in scattered - point sampled surfaces is discussed as well
提出了一種基於移動最小二乘法的點雲數據中非封閉無特徵孔洞和非封閉特徵孔洞修補演算法。 -
A novel hole - repairing algorithm, which can guarantee the consistency between the holes and the original surface, is put forward. the algorithm can be used to repair non - closed holes in scattered - point sampled surfaces and restores some features of original model
該演算法用三次b樣條曲線修復點雲模型邊界及特徵線，將非封閉無特徵孔洞轉化為封閉無特徵孔洞，非封閉特徵孔洞轉化為若干個封閉無特徵孔洞。
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