ellipse area 中文意思是什麼
ellipse area
解釋
橢圓面積-
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。 -
Established the system of coordinates of roll testing, getting the parameters of equation of tooth face by solving the non - linear equations set ; according to the differential geometry and meshing principle, deduce the curvature parameters of tooth face and tooth profile, and get the parameters of instantaneous contact ellipse. emulate the contact trace and contact area of the working tooth face, and drawing the instantaneous drive ratio error curve
建立了克林貝格擺線齒錐齒輪嚙合分析的對滾模型，通過對非線性方程組的迭代求解，得到齒面方程的各個參數;由微分幾何和切齒嚙合原理推導了齒面上齒廓和齒線方向的曲率參數，得到了瞬時接觸橢圓的參數。根據設計參數和機床調整參數繪制了工作齒面的接觸軌跡和接觸區圖形，並求得了瞬時傳動比的誤差曲線。 -
To the noise, singular point, non - face area and the division of face area, this dissertation proposes filter, segmentation by clustering and area combination methods respectively ; to the detection of oriental faces in color images and complex context, the author combines the skin - color model based face rough detection and the ellipse based face location methods to one, then verify the candidate face by abstracting face features. experiment indicates that this algorithm is feasible and highly efficient
針對類膚色區域中的噪聲、奇點、非人臉區域以及人臉區域被割離的情況，本文提出了濾波、聚類分割、區域合併等演算法；針對人臉非人臉區域的的分割，修改並採取了橢圓模板定位的方法；針對「候選人臉」中出現的「虛警」問題，首先提取人臉面部特徵，然後採取人臉驗證演算法加以驗證。
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