矢量加法 的英文怎麼說

中文拼音 [shǐliángjiā]
矢量加法 英文
addition of vector
  • : Ⅰ名詞1. (箭) arrow 2. (尿) excrement; dung; feces 3. (姓氏) a surname Ⅱ動詞(發誓) vow; swear
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  1. The procedure functions in the compare between partial image of dynamic collection and corresponding image of the airscape. in chapter 5, basing on the analysis of correlative theory of digital image, we introduce the improved fasted - down algorithm and simulative anneal algorithm, which applies to nn calculation, an d bring forward the unique and effective means, correlative original value evaluation. basing on the combination of correlative arithmetic, a stable, high - speed and exact correlative arithmetic is formed, which makes it possible to apply computer vision detection of single - needle quilting in industrial production

    本文展開研究並取得一定成效:構建了基於pci總線的微機實時圖像採集系統;在採集的布料總圖(鳥瞰圖)的基礎上,通過數字圖像的數字濾波、圖像增強、邊緣檢測等處理,提取布料圖像的邊緣,對輪廓的化的象素點進行搜索,得到相應的圖案圖,從而確定絎縫的工軌跡,生成工指令;在進給工過程中,主計算機對動態局部圖像與總圖(鳥瞰圖)的對應部分進行圖像相關的匹配計算,應用數字圖像理論,結合神經網路計算的改進最速下降和模擬退火演算,提出獨特而有效的相關迭代初始值賦值方,形成穩定、高速和準確的相關運算,實現單針絎縫視覺測和自動控制。
  2. It should be clear that vector addition is commutative.

    可清楚地看到,矢量加法滿足對易律。
  3. Firstly, in spherical coordinate system, the sovp formulation for the time - harmonic electromagnetic fields of the current dipole in conductive infinite - space is derived, using reciprocity theorem and transforming relations between special functions. then, selecting appropriate coordinate system, using superposition principle, the boundary - value problem of modified magnetic vector potential on the problem of a time - harmonic current dipole in spherical conductor is solved and analytical solution is obtained. finally, by means of the addition formulas of legendre polynomial and spherical harmonics function of degree n and order 1, the analytical solution in spherical coordinate system specially located is transformed into that in spherical coordinate system arbitrarily located

    首先利用特殊函數間的轉化關系和互易定理推導得到了無限大導體空間中球坐標下時諧電流元電磁場的二階位形式:然後利用疊原理,選擇合適坐標系,求解了導體球中時諧電流元的修正磁位邊值問題,得到了問題的解析解;最後依據不同坐標系下電磁場解的轉化原理,藉助勒讓德多項式和n次1階球諧函數的公式,將坐標系特殊安放時的電磁場解析解變換到坐標系一般安放時的解析解,給出了球內電場和球外磁場的並格林函數。
  4. The addition formula of spherical harmonics function of degree n and order 1 is derived using the relations between coordinate varieties after coordinate rotating and the property of the associated legendre polynomial. the relations among the magnetic vector potential, the modified magnetic vector potential and the second - order vector potential ( sovp ) are shown going forward one by one. it is explained that the solutions of electromagnetic fields in different coordinate systems can be transformed and an example having analytical solution is given

    利用坐標旋轉后球坐標變間的關系和連帶勒讓德多項式的性質推導得到了n次1階球諧函數的公式;以遞進的方式說明磁位、修正磁位與二階位的關系,寫出了引入二階位的過程;以時諧場邊值問題為例,闡明了不同坐標系下電磁場解的相互轉化原理,給出了一個解析解的轉化例子;在球坐標下,引入了較球波函數更普遍的兩類函數,給出了其在球面上的正交關系。
  5. This construction is often called the parallelogram law of addition of vectors.

    這種作圖常被稱為的平行四邊形則。
  6. In order to obtain a high - quality speech codec, the phase information of speech should be included in codec. in this thesis, a method for quantizing the phase of sew ( slowly evolving waveform ) and reconstructing sew ’ s phase with cubic polynomial interpolation is given based on the perceptual weighting analysis - by - synthesis ( a - b - s ) vector quantizer for the phase spectrum in wi coder

    本文基於感覺權相位譜分析合成( abs - analysis - by - synthesis )化方,給出了一種wi編碼器中慢漸變波形( sew - slowlyevolvingwaveform )的相位信息化及合成端相位的三次多項式插值重建方
  7. According to the moving characteristics of tracklayer, when the vehicle is on ramp and the ground ' s vertical pressure is linear, the calculating formulas of relationship between the deviation of the instantaneous steering center, the position of vehicle ' s gravity, steering radius, moving velocity, moving acceleration, and vehicle ' s orientation, were obtained by the theory and method of vector analysis in mathematics and mechanics

    摘要根據履帶式車輛的運動特點,運用數力學中分析理論和方,推導了接地比壓為線性分佈時履帶式車輛在斜坡上轉向時,瞬時轉向中心偏移與車輛重心位置、轉向半徑、行進速度、速度、車輛方位相互關系的計算公式。
  8. It synthesizes the excellence of wave coding and parameter coding, adopts vector quantity, analyse - synthesize, perceptual weighting, therefore, gains good speech coding quality at 8kbit / s. cs - acelp can be used in individual telecom, iphone, c / n, microwave telecom and isdn

    Cs - acelp演算綜合了波形編碼和參數編碼的優點,以自適應預測編碼技術為基礎,採用了化、合成分析和感覺權等技術,在8kbit / s速率上獲得了較高的語音編碼質
  9. When the accelerating time of frequency is equal to zero, this paper discusses the gain of inventer - induction motor under the vector controlled and non - vect or c ontrolled. at the same time, this paper discusses it while the time of slope is no t zero. the m othod of the slippery and difference is introduced in this papaer for designing the system contained inv - m

    討論了頻率速時間為零時,控制和非控制兩種情況的通用變頻器異步電動機的傳遞函數,同時也討論了斜坡給定時間不為零的通用變頻器異步電動機傳遞函數,介紹了滑差限定的方,為設計含有inv - m的系統提高提供了理論依據
  10. Abstract : when the accelerating time of frequency is equal to zero, this paper discusses the gain of inventer - induction motor under the vector controlled and non - vect or c ontrolled. at the same time, this paper discusses it while the time of slope is no t zero. the m othod of the slippery and difference is introduced in this papaer for designing the system contained inv - m

    文摘:討論了頻率速時間為零時,控制和非控制兩種情況的通用變頻器異步電動機的傳遞函數,同時也討論了斜坡給定時間不為零的通用變頻器異步電動機傳遞函數,介紹了滑差限定的方,為設計含有inv - m的系統提高提供了理論依據
  11. Based on the extended boundary condition method and addition theorem of vector spherical functions, this paper study the light scattering problems of aggregate spheres from the angles of a single sphere, two - sphere system and multi - spheres system

    本文基於擴展邊界條件球諧函數的定理,通過嚴格求解maxwell方程所得到的散射傳輸矩陣,對與入射波波長可比擬的群聚球形粒子的散射問題進行了研究。
  12. A monte carlo algorithm was presented to model the relation between the scattering phenomenon, depolarization changes and sea water depth, it is discovered that the radius of scattering point and the degree of depolarization increase with increasing of the sea water depth. at last, a optical engineering software ( lighttools ) is introduced to simulate optical scattering in the deep sea water, and studys the corelation between scattering and relative refractive index, particle density and particle size in the sea water. the experiment results show that the intensity of scattering will increase evidently with the increasing of particle size, particle density and relative refractive index. the methods and results in the article provide the basic theory and experiment validation for improving performance of communication, detection and imaging under sea water

    本文以球形粒子的mie散射理論、 stokes以及mueller矩陣來研究海水的散射特性和散射中的退偏振度變化;通過montecarlo方模擬藍綠激光在海水傳輸過程中的散射現象以及散射中的退偏度變化與海水深度的關系,發現隨著海水深度的增,散射后的光斑半徑、退偏振度將逐漸增大。最後通過光學工程軟體( lighttools )對海水中的散射進行模擬實驗,研究散射與海水中粒子密度、粒子大小和相對折射率的關系。實驗結果表明,隨著粒子半徑、粒子密度和相對折射率的增,散射的強度將顯著增
  13. And got a novel cvq algorithm. because the data of cvq has been split by the algorithm already, it is the right occasion of of parallel program with domain partition. so we implement the parallel algorithm of this algorithm

    然後我們又研究了分類化器,得到一個高效的分類化器,並使用并行演算快了其處理速度,並討論了負載平衡的問題。
  14. Dealing with faces illumination variation based on dynamic directional gradient vector flow snake and gamma algorithm a new dynamic directional gradient vector flow snake ddgvf snake algorithm was presented which can detect the image shadow and highlight contours of the unknown face images. according to the given standard face database, the image gray median could be c.

    使用一種動態方向梯度流snake ddgvf snake演算來檢測未知圖像的陰影和高光區域,根據已知的標準人臉圖像庫中圖像的灰度分佈,計算出灰度中值,然後採用權非線性gamma灰度矯正演算來歸一化待識別圖像的光照變化,使之與已知的標準庫中的圖像灰度一致。
  15. In order to improve dynamic performance of the control system in the assembly robot, according to acpmsm ( ac permanent magnet synchronous motor ) vector control model and the control idea about preview control, the paper presents a kind of control strategies that is composite of a primary pid ( proportion integral dif - ferenfial ) with a preview feed - forward compensation, its compensation is equivalent to linear combination of future adjacent difference, the simulation results show that it can not only improve the system tracking performance effectively, but also implement easily

    摘要為了提高裝配機器人控制系統的動態性能,依據交流永磁同步電機控制模型,從預見控制的思想出發,提出了一種在原有pid基礎上外預見前饋補償的控制方,這種控制方的前饋補償項取未來幾項目標值一階差值的線形組合,並模擬驗證了該控制方對提高系統跟蹤性能的有效性和簡單可行性。
  16. Biology, etc. owing to many merits has not yet been used to measure parameters of gratings. the paper researches on the subject in view of current lack of it. the main tasks of the paper include : analyzing ellipsometric characteristics of gratings in detail with vector diffraction theory and ellipsometrics ; devising a reflective quarter wave plate at normal incidence according to some ellipsometric characteristics ; making use of normal simplex algorithm during ellipsometric inversion of gratings parameters, inversing ellipsometric parameters with gaussian noise of different standard deviations to simulate actually measured values with examples of isotropic metallic and anisotropic step gratings and testing that ellipsometry about gratings parameters is feasible with the range of certain precision ; discussing choice of incidence angle at length

    本論文的主要工作包括:結合光柵的衍射理論和薄膜的橢偏理論,詳細分析了光柵的橢偏特性;並且根據一些橢偏特性設計出一款正入射反射型單波長1 4波片;在光柵參數的橢偏反演中,引入正單純形作為反演演算,分別以各向同性的正弦形金屬光柵和各向異性的階梯型光柵為例,在標準橢偏值的基礎上入不同偏差的高斯噪聲來模擬實際的橢偏測值進行反演,在一定精度范圍內得出滿意的光柵參數,說明光柵參數的橢偏測是可行的;還就入射角的選取問題進行了一定的探討。
  17. In the paper, based on the method of low pair replacing with high pair, the problem of cam design was transferred to that of linkage design. by means of rotary unit vectors, the equations of displacement, velocity and acceleration of the replacement mechanisms were developed. and then, the virtual linkage ' s length and direction were deduced

    論文基於高副低代原理,將平面凸輪機構設計與再現函數的平面連桿機構設計統一為同一種方,運用圓向函數建立代換機構的位移、速度、速度方程式,求取虛擬連桿桿長和方向,由此展開凸輪理論廓線、實際廓線、曲率半徑和壓力角的求解,並得出用圓形刀具工凸輪時刀具中心的軌跡方程。
  18. Thirdly, designs the index system of nanjing ’ s environmental carrying capacity and uses hierarchy and vector analytical method to research nanjing ’ s environmental carrying capacity among the years of 1997 and 2003. subsequently, the author analyzes the environmental carrying quantity, environmental carrying capacity, environmental carrying rate and their variational trends from 1997 to 2003 in detail. lastly, according to the above results, puts forward some measures to protect and advance nanjing ’ s evironmental carrying capacity

    本文圍繞著南京市環境承載力這一研究主線,首先從定性、定兩種角度對環境承載力的國內外研究現狀進行綜述;接著介紹了環境承載力理論的基本內容和南京市自然環境、社會經濟狀況;然後切入論文的核心部分,構建了多層次的南京市環境承載力指標體系,運用層次分析對1997 ~ 2003年南京市環境承載力及其變化情況化研究,並以此計算結果為依據,詳細分析了1997 ~ 2003年間南京市環境承載、環境承載力、環境承載率的變化趨勢;最後,針對上述分析結果提出保護和提升南京市環境承載力的幾點策略。
  19. It realized the spatial interpolation software grounded on geostatistics seamlesslly integrated with the system using the way of oop and the technology of ole / activex based on com. using vector - grid spatial - overlap analysis to solve the limitation of the grid and general vector data structure in the course of creating prescription, it made fertilizer prescription founded on the main factor of soil nutrient and yield - target. also it effectively integrated comgis with exper t system using the technique of loose coupling

    以面向對象的設計方為基礎,利用「組件對象模型」基礎上ole / activex技術實現基於地統計學的空間插值軟體實現及與施肥處方系統的無縫集成;應用基於網格的空間疊分析方解決柵格和常規數據結構在處方生成中的局限,生成了基於土壤養分和目標產為主要因素的施肥處方;利用鬆散耦合技術將comgis與施肥專家系統進行有效集成;充分考慮施肥機對施肥處方數據結構要求,在wgs - 84坐標系下採用具有柵格單元的施肥處方。
  20. Taking gis software ( arc / info and arcview ) and visual foxpro as basic plat, protracted the system maps of land resource, those basic subject maps included land use status map, land types map, soil types map, grade map and soil organic substance map, combing with former summarizing research results, built the spatial basic database of land resource ; based the spatial database, by the means of attribute table manipulation and take the map plot as basic unit to get the subject attributes of basic information, combined with social economy attribute information, built the attribute database ; take the spatial basic database as basic work, by the means of vector piles to get the land resource dynamic movement system maps, included land use status, land types and soil organic substance dynamic movement map

    以gis軟體( arc info 、 arcview )與visualfoxpro為基礎平臺,繪制完成土地資源的系列圖,包括土地利用圖、土地類型圖、土壤類型圖、坡度圖、土壤有機質圖等基礎專題圖件,結合以前的工作成果,構築土地資源的空間本底數據庫;通過空間疊分析,得到基礎單元圖斑,採用屬性表操作的方獲取基礎單元圖斑的專題屬性信息,結合社會經濟屬性信息,建立屬性數據庫;以空間本底數據庫為基礎,採用對比分析的方,得到土地資源動態變化系列圖,包括土地利用、土地類型、土壤有機質等動態變化圖。
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