特定坐標 的英文怎麼說
中文拼音 [tèdìngzuòbiāo]
特定坐標
英文
preferred coordinates- 特 : Ⅰ形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
- 定 : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
- 標 : Ⅰ名詞1 [書面語] (樹梢) treetop; the tip of a tree2 (枝節或表面) symptom; outside appearance; ...
- 特定 : 1. (特別指定的) specially appointed; specially designated 2. (某一個) given; specified; specific
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In this thesis, used thermocouple to sense the temperature in the space of the hearth, attributed the thermocouple based on calorifics and scientific arithmetic, acquired data by data acquiring card, processed data according to the demand of setting up temperature model and drawing graphics and then caculated the coordinates of isothermal points and normals of isothermal facets, ascertained the order of connecting points and the model of construct, drawed the isothermal facet of temperature field with opengl at last
通過數據採集板卡進行數據採集並與計算機介面進行數據處理。然後,將處理后特殊點的溫度數據依據marchingcubes演算法建立數學模型求取等溫面上的點的坐標及各點的法向量等。最後,確定計算的三維坐標點的連接順序和拓撲模型,利用opengl進行等溫面的繪制、消隱和模式變換等工作。In short, vector data take the simplest topological entities - points, lines, and polygons - and anchor them within a 2 - d cartesian coordinate system to describe geographical features
簡言之,矢量數據利用最簡單的拓撲實體點、線和多邊形,並在二維笛卡爾坐標系統中固定它們來描述地理特徵。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矢量位形式:然後利用疊加原理,選擇合適坐標系,求解了導體球中時諧電流元的修正磁矢量位邊值問題,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階球諧函數的加法公式,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矢格林函數。Due to the moving base existence of the minehunting and the frame structure characteristic of the sonar array, a new modeling thought in which the boat body coordinates is regarded as moving coordinates and the whirligig equation of sonar array compared with the self coordinates is founded on the basis of the euler ' s theorem and the coordinate transform is introduced. the dynamic equations of minehunting sonar array with the state matrix form are founded by settling the dynamic models with the vector form. so it offers theory foundation for analyzing the dynamic characteristic and designing robust control
由於獵雷艇作為動基座的存在和聲納基陣的框架結構特點,提出了以艇體坐標系為運動坐標系,運用變形的歐拉定理和坐標變換建立聲納基陣相對自身坐標系的旋轉運動方程的建模思想;將所建立的矢量形式的動力學模型展開整理,獲得了狀態矩陣形式的獵雷聲納基陣動力學方程,為系統動力學模型的實用化奠定了基礎。The conventional sphere model of earth and circle model of orbit are discarded, and the ellipsoid model and the ellipse model are selected for further research, which achieves a method to determine the target position through the antenna pointing direction. and the spaceborne sar system design and simulation software is brought forth. this software accomplishes sar system coefficients design for antenna area, pulse repetition frequency, signal bandwidth, downlink data rate, radar transmitter power and satellite platform yaw steering
本文從星載雷達的星地幾何關系入手,舍棄傳統星載合成孔徑雷達研究中的球地球模型和圓軌道模型,研究了在地球橢球模型和橢圓軌道模型下由雷達天線確定目標坐標的方法,並在此基礎上研製了星載合成孔徑雷達系統設計與模擬軟體,完成雷達系統天線尺寸、脈沖重復頻率、信號帶寬、雷達信號數據率、雷達發射功率、衛星平臺的偏航牽引等幾個方面的系統參數設計以及雷達多普勒特性、雷達系統模糊、雷達定位及精度的分析,最後完成雷達回波信號的模擬。The paper abstracts out the palmprint mainline characteristic owing to palmprint image gradation by the gray value characteristic property method, defining the online palmprint characteristic space with the form of the polar coordinate and compressing the dimension, at last we use the neural network to accomplish the design of identification authentication system with the on - line palmprint as the mating algorithm. based on this, a fast and reliable system of identification authentication can be built
採用基於掌紋圖像灰度特性的方法提取出掌紋的主線特徵,以極坐標的形式定義在線掌紋的特徵空間並降維處理,最後用神經網路作為匹配演算法完成在線掌紋身份驗證系統的設計,以此為基礎建立了快速、可靠的新型身份認證系統。Test conditions for machining centres - part 8 : evaluation of the contouring performance in the three coordinate planes
加工中心檢驗條件第8部分:三個坐標平面上輪廓特性的評定A general solution to the schrsdinger equation about the motion of the entangled atom of two cases is obtained. subsequently, the wave functions in momentum and coordinate spaces are given according to the atoms " ini initial nd next, the dynamic properties of the two - atom entangled system are manifested
我們首先寫出兩種情況下系統的哈密頓量並解出薛定諤方程,可得到兩原子糾纏系統波函數的一般解,然後根據原子的初始條件得到了波函數在動量表象和坐標表象的特解。A normal transform is introduced, and there are enough much grids in the region between the critical layer and the wall, where the variation of the disturbance is the quickest. the finite - difference of governing equations with fourth - order accuracy in the normal direction is utilized in full regions including points close the wall, and is very important for accurately discreting equations. the combination of global and local methods is implemented, and a new iterative formula is derived
對于曲線坐標系下的拋物化穩定性方程,文中發展了求解的高效數值方法:引進法向變換,使得在臨界層與壁面之間的擾動量變化最快的區域有更多的法向網格點;導出包含邊界鄰域在內的完全四階精度的法向有限差分格式,這對方程精確離散至關重要;採用全局法和局部法相結合的方法及其新的迭代公式,大大加速收斂並得到更精確的特徵值。We fhd that the energies have the following important properties : ( 1 ) the energies are positive and monoton - ically decrease to their arnowitt - deser - misner ( adm ) masses at spatial infinity ; ( 2 ) the energies have the correct newtionial limiting, and include the binding energies from the gravitation ^ electrostatic charge and dilaton charge, respectively ; ( 3 ) martinez ' s conjecture is valid for such black holes
結果表明該能量具有如下幾個重要特徵: ( 1 )該能量是正定的,且隨徑向坐標單調遞減,在無窮遠處為黑洞的adm質量; ( 2 )該能量具有正確的牛頓極限,並包含有分別來自於引力、靜電荷和伸縮子荷的束縛能; ( 3 ) martinez猜測對這些黑洞依舊成立。Based on perspective model, it was proposed that drawing camera inner parameters with physics method ; in image processing, especially the particularity of robot object localization and tracking, it was proposed that several effective methods of image smoothing and sharpening, edge detection, boundary tracking ; at the same time, in order to complete object recognition, we introduced the methods of drawing object character parameters ; in object image matching, two kinds of effective object matching arithmetic was proposed ; based on the principle of object 3d information restoration, we proposed two kinds of arithmetic of 3d coordinate restoration of object feature points, and completed object movement parameters estimate and object tracking and prediction, and presented experimental result
以透視成像模型為基礎,提出了用物理方法來提取攝像機內部參數;從圖像處理角度出發,針對機器人目標定位與跟蹤的特殊性,提出了幾種行之有效的圖像平滑、銳化、邊緣提取以及邊界跟蹤的方法;同時,為了完成目標的識別,介紹了目標特徵參數的提取方法;在目標圖像匹配上,提出了兩種快速有效的目標匹配演算法;基於目標深度信息恢復原理,提出兩種目標特徵點三維坐標恢復的方法,同時完成了目標運動參數估計和目標的跟蹤與預報,並最後給出了實驗結果。The vision sensor is fixed on the end - effector of the robot. when the robot makes a linear movement along the " v " measurement track, the linear light from the laser electropult on the sensor is projected on the track to shape laser strip with three turning dots and imaged in ccd camera. the relation between the sensor coordinate and the measurement track coordinate can be computed by image processing and pose measuring, which indirectly describes the characteristic of the robot ' s linear trajectory
該系統利用結構光幾何成像原理和視覺圖像處理技術,將視覺傳感器固定在機器人末端,當機器人沿「 v 」形測量軌道做直線運動時,傳感器上的激光發射裝置發出的線狀光源投射在測量軌道上,形成具有三個拐點的激光條,並在ccd攝像機中成像,通過圖像處理技術和位姿測量技術,得到傳感器坐標系相對于測量軌道坐標系的位姿關系,從而間接描述機器人的直線軌跡特性。In order to prove the existence of the periodic boucing solutions, firstly we will introduce a new coordinate transformation, transform the system from right half plane to the whole plane. and give the relation of the eigenvalues of hill ' s equation and the rotation numbers, using this approach and pioncar - birkhoff twist theorem, we proved the existence of the periodic bouncing solutions for asymptotical linear oscillator
對于周期解的存在性證明,我們引進新的坐標變換把右半平面上的碰撞問題轉化到整個平面上,給出旋轉數與hill方程的特徵值的關系,並以此來度量漸近線性振子,再應用pioncar - birkhoff扭轉定理得到周期碰撞解的存在性。According to non - newtonian fluid mechanics theory and mathematical method, conbined with plunger moving property, the hypothesize fluid is imcompressive, hydraulic radius of flow of liquid in crevice is very little, and it is laminar flow, the flow is treated fixed continuous flow at every instant position of plunger, equation of motion and boundary condition were set up in condition of concentric and eccentric of pump barrel and plunger
運用非牛頓流體力學理論和數理方法,結合抽油泵柱塞運動特點,假設液體為不可壓縮的,液體在縫隙中流動的水力半徑很小,呈層流流動,柱塞在每一位置的瞬間,流動做定常流處理,建立了泵筒與柱塞同心和偏心兩種情況下運動方程和邊界條件,引入無量綱坐標、無量綱速度和柱塞與泵筒偏心配合時的縫隙高度,並給出縫隙流流速、流量的解析解。It has designed a special method for finding circular center image coordinates and a subpixel digital image process method, so that the precision of simulation for searching image point of circular center can reach to 0. 01 pixel in grade of amount. it has designed amending method for errors, produced by improper installation position of the testing device
在圖像處理方面,本文設計了標志特徵圓圓心位置的特殊方法和亞像素數字圖像處理方法,使得特徵圓圓心像點的模擬定位精度可達0 . 01個像素的數量級;提出了一整套圍繞特徵直徑像的特性來尋找其端點坐標的方法。In image - based, also called feature - based systems, the error signal is defined in terms of image features and is directly measured in the image coordinate system. therefore, computational costs are significantly reduced and the system becomes less sensitive to abstract errors in camera calibration and system modeling
誤差信號按照圖像特徵來定義而且直接在圖像坐標空間來測量,因此可以大大降低計算量,而且系統對相機標定誤差和系統建模誤差不敏感。In view of the altitude problems of inspecting the weighted average ways of obtaining altitude and the advantages and disadvantages of moving surface interpolation method are talked about through comparison, with which the writer draws a conclusion that moving surface interpolation method is suitable to be applied for the dynamic state inspection places, moreover the key technology about the dynamic slate inspection is also taken into consideration, which includes digital camera and types of camera lens, the cause of camera lens distortion and the fundamental determining principle, the gain of image coordinate and the realization of time synchronization
針對檢定點高程問題,分析比較了獲取高程的加權平均法和移動曲而內插法的優缺點,得出移動曲面內插法適合用於動態檢定場的結論。特別是針對動態檢定的關鍵技術給予了相關研究,內容涉及:數碼相機及相機鏡頭的選型,相機畸變差產生原因及測定的基本原理,像片坐標獲取以及時間同步實現,得出結論:利用gpsoem板的秒脈沖( 1pps )輸出特性,能夠實現兩臺數碼相機與gps接收機時間同步,滿足動態檢定指標要求。Although there have been many application instances in the field of input / output device technology, we need an specific project and technology route aimed at an given application. in this thesis, we combine the introduction and analysis of relative technology to describe the accomplishment of a coordinate collecting device which is based on incremental rotary encoder. this device is an specific device applied to collect the corrdinate displacement of ground image ’ s three - dimensional model created by full digital photogrammetric station. cpld chip and vhdl are applied in this device to carry out the following work : phase control of the electrical pulse created by incremental rotary encoder, counting the number of electrical pulse, controling the state of signal processing circuit, exchanging data between this circuit and pci control
本文結合相關技術的介紹和分析,描述了一個基於增量式旋轉編碼器的坐標參量採集介面卡的實現,此介面卡是一種用於採集全數字攝影測量系統地面影像模型坐標位移量的專用設備,該設備採用cpld器件和vhdl語言實現增量式旋轉編碼器的脈沖信號鑒相和計數、信號處理部分的狀態控制以及和pci總線晶元ch365之間的數據交換和通信功能,同時該設備的驅動程序基於wdm模式,並且配置有結構良好的動態鏈接庫程序作為系統軟體和驅動程序之間的數據和控制交互中間介面,能夠方便地運行在windows98 / 2000 / xp操作系統平臺上,具有實時性強、工作穩定、通用性較好和性價比高等特點。Each of the helper methods is overloaded so that you can either pass a range or specific coordinates for the location of the control
每個幫助器方法都將被重載,以便您可以傳遞一個范圍或控制項位置的特定坐標。In this paper we do some research on gyro - free inertial measurement as follows : we do some researches on the calculation of angular velocity which is quite critical in inertial measurement system and also deduce the output equation of the accelerometers in a specific coordinate
本文將就以下幾個方面對無陀螺慣性測量進行研究:對無陀螺慣性測量中的關鍵問題即角速度的解算進行了研究,推導了特定坐標系下的加速度計輸出方程。分享友人