rectangular coordinate 中文意思是什麼
rectangular coordinate
解釋
直角坐標系- rectangular : adj. 矩形的，長方形的；成直角的。
- coordinate : adj 1 同等的，同位的；協調的，配合的；【語法】對等的。2 【數學】坐標的。3 （圖書、資料編目）交叉...
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In fig. 6-1(c), the motion of a particle is referred to by a rectangular coordinate system.
在圖6-1（c）中，質點的運動是用直角坐標系來描述的。 -
Considering the characters of 3 - axes coordinate system that is not included in ship rectangular frame or inertial frame, compensation conditions are deduced through studying the effects of ship - swing. the paper studies how to transfer line velocity and acceleration in the inertial frame to angular velocity and acceleration which correspond each axis, then gives the computer function scheme. servo control scheme which can overcome ship swing and realize moving - target accurate tracking is designed according to inconsistency of radar base angle and beam angle
針對三軸軸系既非甲板坐標系又非大地坐標系的特點，既研究了船搖對正交三軸雷達系統的影響，推導實現船搖不變性的補償條件，又研究了將目標在大地坐標系中的線速度和線加速度濾波值折算到各軸對應的角速度和角加速度值的計算關系，並作出了計算機功能框圖。 -
Rectangular coordinate type potentiometer
直角坐標式電位差計 -
Based on the review, the fluid flow and heat transfer in the curved circular and rectangular pipes have been researched by employing perturbation method and numerical simulation with a physical model under the rotational orthogonal curvilinear coordinate in a rotating curvilinear pipe with multi - parameters. we firstly analyzed the fully developed fluid flow and heat transfer, mixed convection heat transfer, the development of flow and heat transfer in the inlet in different cross section ( circular, elliptical, annular and rectangular crossection ). the variations of the secondary flow, axial velocity, distribution of temperature, the friction force on the wall, the ratio of friction factor as well as the nusselt number with different dimensionless parameters had been examined in detailed
本文在總結和分析了一個世紀以來有關曲線管道流動和換熱特性的研究成果的基礎上，以旋轉正交曲線坐標系統下的多參數旋轉螺旋管道中的對流傳熱為物理模型，通過攝動方法和有限體積法，首次對各種截面（圓截面、橢圓截面、環形截面、矩形截面）旋轉曲線管道內充分發展流動的流動結構和傳熱特性（包括耦合對流傳熱特性）以及旋轉曲線管道開口段發展流動的流動結構和換熱特性進行了系統的數值模擬和理論分析，詳細討論了各種無量綱參數對管道內軸向速度分佈、二次流結構、溫度分佈、壁面摩擦力、摩擦系數比以及管道nusselt數的影響，獲得了若干創新性成果。 -
In chapter 5, using coordinate graphs, the influences of rectangular screw, trapezoidal screw and serrate screw on the generated axial thrust force, minimal mucus film thickness, load capacity of hydrodynamic pressure and circumferential friction are compared and analyzed
第五章，通過坐標圖對比分析了微型機器人在矩形螺紋、梯形螺紋、鋸齒形螺紋下，各螺紋參數對軸向摩擦牽引力、最小粘液膜厚度、粘液膜承載能力、周向摩擦阻力的影響。 -
In chapter 2, an accurate modified reynolds equation is derived. the modified reynolds equation is solved numerically with the finite different method, the generated axial thrust force, minimal mucus film thickness, load capacity of hydrodynamic pressure and circumferential friction under the rectangular screw are obtained. at last, using numeral methods and coordinate graphs, the influences of rectangular screw parameters on the generated axial thrust force, minimal mucus film thickness, load capacity of hydrodynamic pressure and circumferential friction are studied and analyzed
第二章，首先推導了非牛頓流體的變形雷諾方程，化簡了雷諾方程，得出了矩形螺紋下有限差分方程；還推出了矩形螺紋作用下軸向摩擦牽引力、粘液膜厚度、粘液膜承載能力、周向摩擦阻力無量綱表達式，最後用數值計算方法求解，通過坐標圖分析了矩形螺紋參數對軸向摩擦牽引力、最小粘液膜厚度、粘液膜承載能力、周向摩擦阻力的影響。 -
The conformal microstrip antenna with some unique character has been applied in many fields, especialy on speedy objects. in this paper, an efficient fdtd algorithm is introduced to analyse the microstrip antenna. firstly, the fdtd formula in descartes coordinate system and in cylindrical coordinate system are obtained from the time _ dependent maxwell equations using the yee algorithm in a calculating region where the dielectric parameters are independent of time and space. the choice of the space discretization units and the time discretization interval are discussed which are decided by the accuracy and stability respectively. the shape and setup of the excitation source are discussed too. the excitation source is chosen to be gaussian pulse in shape. secondly, the mur ' s first - order and second - order boundary condition are deduced in cylindrical coordinate system. the methods of transforming radiation fields from near zone to far zone in the frequency domain and in the time domain are presented when fdtd is applied to analyse the characteristics of far zone. finally, three kinds of microstrip antennas are analysed. they are a slot antenna that lies on a plane ground of a microstrip, a slot antenna that lies on a cylindrical ground of a microstrip and a microstrip line _ fed aperture coupled stacked rectangular patch antenna in cylindrical coordinate system
本文從麥克斯韋旋度方程出發，建立了笛卡兒坐標下無源空間中均勻無耗媒質的fdtd基本方程和圓柱坐標下無源空間中均勻無耗媒質的fdtd基本方程，詳細討論了fdtd法計算中時間步長和空間步長的選取原則以及激勵源的類型和設置；推導了mur一階和二階邊界條件在圓柱坐標下的差分格式；給出了在用fdtd法計算天線的遠場輻射特性時必需採用的頻域和時域近場遠場變換技術；最後用fdtd法計算了平面微帶縫隙天線、柱面共形微帶縫隙天線和柱面共形微帶層疊天線的輸入阻抗和遠區輻射場，並分析了天線的一些參數的變化對天線輸入阻抗的影響，得出了一些有用的結論。 -
Thirdly, the method to calculate the 3 - d dynamic responding of layered transversely isotropic saturated soils to an arbitrary buried source in cylindrical coordinate as well as to an arbitrary harmonious source in rectangular coordinate is presented respectively. based on biot ' s wave theory, the 3 - d wave equations in cylindrical coordinate for transversely isotropic saturated poroelastic media are transformed into a group of governing different equations with 1 - order by the fourier expanding with respect to azimuth and hankel integral transform method or by the double fourier transform method with respect to horizontal coordinates in rectangular coordinate. then, transfer matrixes within layered media are derived under the continuous conditions, drainage conditions and the boundary conditions
基於飽和土的biot波動理論，通過fouricr變換，將橫觀各向同性飽和土三維非軸對稱波動方程轉化為一組一階常微分方程組，再經har止el變換，建立問題的狀態方程，求解狀態方程得到傳遞矩陣;利用傳遞矩陣，結合飽和層狀地基的邊界條件、排水條件及層間接觸和連續條件，首次給出層狀橫觀各向同性飽和地基在任意地展力作用下的三維非軸對稱動力響應的解析解。 -
The y - coordinate of the upper - left corner of the rectangular region
矩形區域左上角的y坐標。 -
The y - coordinate of the lower - right corner of the rectangular region
矩形區域右下角的y坐標。 -
Gets or sets the y - coordinate of the top side of the rectangular region defined by this
獲取或設置矩形區域頂邊的y坐標，該矩形區域由此 -
In fig. 6 - 1 ( c ), the motion of a particle is referred to by a rectangular coordinate system
在圖6 - 1 （ c ）中，質點的運動是用直角坐標系來描述的。 -
The contents of the course include the elastic problems and associated solution procedure ; the basic concepts and assumptions of elasticity ; the solution of a planar elastic problem defined in a rectangular coordinate ; the matrix expression of basic equations of a planar elastic problem ; the solution of a planar problem defined in a polar coordinate ; the basic equations and solution procedure of a three - dimensional elastic problem ; bending of a plate ; and the variational principles of energy
本課程的主要內容包括:彈性力學問題及其求解思想;彈性力學中的基本概念及基本假定;彈性力學平面問題的直角坐標解答;平面問題基本方程的矩陣表示;平面問題的極坐標解答;彈性力學空間問題的基本方程及其解法;薄板的彎曲;能量變分原理等等 -
The mechanism is based on the 4 - axis rectangular coordinate system. the driven mode of x - axis is proportional pneumatic - servo control system ; y - axis is driven by a digital ac servomotor ; z - axis is driven by a linear cylinder ; the driven mode of the axis of r is same to that of y - axis
X軸採用基於比例伺服技術的氣動驅動； y軸採用全數字交流電機伺服驅動； z軸則採用直線氣缸驅動；而r軸採用與y軸相同的驅動方式，同時其前端安裝了真空吸盤，用於抓取工件。 -
For overcoming nonsmooth of temperature field, temperature field equations in subdomains are built respectively in rectangular coordinate and in cylindrical coordinate. based on the numerical simulation algorithm in this paper, numerical results for temperature field are given and analyzed
基於我們構造的三維溫度場數值模擬演算法，給出了變壓器運行過程中溫度場在空間與時間分佈的數值結果，並對所得到的數值結果進行了分析。 -
After systematic researches on computer vision coordinate measurement techniques, this paper proposed a four - eyed vision coordinate measurement model ( fvcmm ) based on rectangular grid mark. a four - eyed vision coordinate measurement system ( fvcms ) was constructed based on this model. it was firstly applied to strain measurement during the process of metal plate deformation and gained some success
本論文對視覺坐標測量技術進行了系統的研究，建立了一個基於網格標記的四目視覺坐標測量系統的模型，並基於這一模型研製了一臺四目視覺坐標測量儀，這一儀器用於金屬板料變形過程的應變測量，得到了較好的效果。
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