角變位法 的英文怎麼說
中文拼音 [jiǎobiànwèifǎ]
角變位法
英文
slope deflection method-
Secondly, programmed the image processing arithmetic code which include the bottom arithmetic for the general condition comprises threshold division, region combination and informate and the middle level arithmetic for the given task comprises detecting the line dation creirection according to the hough transform in order to fix on the hole ’ s azimuth angle, detecting the aiguille tip position according to the image movement according to the environment and the image format
然後，根據目標環境要求和攝像機採集圖像格式，開發了圖像處理演算法程序。圖像處理演算法包括底層演算法和中層演算法兩部分，底層演算法針對通用情況，包括閾值分割、區域合併和信息生成。中層演算法針對具體任務設計，包括利用hough變換檢測棱線的方向，從而確定圓孔的方位角和利用基於圖像運動檢測鉆頭尖端位置。The tunic soon disappeared under a long cassock, as did his hair under a priest s wig ; the three - cornered hat over this effectually transformed the count into an abb
這件鋼絲背心不久就被掩沒在一件長大的法衣底下了，他的頭發也已被教士的假發所掩蓋，再加上那頂三角帽，伯爵就立刻變成了一位神甫。Moreover, aiming at the location of inclined license plate, we have proposed the algorithm based on gray changing characteristic and orientation field. in this section, we discussed in detail the application of mathematical morphology operator in rough locating objective region and introduced the theory and realization method of orientation field. then we used it to detect inclined angel of objective region, finally we can precisely locate and emendate the inclined license plate based on detection result, and so we provided the favorable foundation for segmenting character
此外針對傾斜車牌區域的定位分割問題，提出了基於灰度變化特性和方向場計算的定位演算法，其中詳細討論了數學形態學運算元在目標區域粗定位中的應用，重點介紹了方向場計算理論和實現方法，並將其應用於目標區域傾斜角度的檢測，根據檢測得到的結果進行了傾斜車牌區域的準確定位和校正，為后續的字元分割打下良好的基礎。E., the carrier frequency of a gaussian beam deviates from the resonant frequency of a fabry - perot etalon ), variations of the peak intensity, the position of the peak intensity and the dwdm systems, has received considerable attention. in this work, after taking into account the wavelength - depended reflectivity distribution profile of a fiber bragg grating, the oscillation wavelength # _ ( 1 ) of long external cavity fiber bragg grat
與共振情況（即高斯光束的載波頻率與法布里一拍羅濾波器的諧振頻率一致）相比，非共振條件（即高斯光束的載波頻率與法布里一拍羅濾波器的諧振頻率存在偏差）一透射光束的峰值強度、峰值強度所對應的位置、以及光斑的大小隨入射角的變化都發生了顯著的改變。The algorithms estimate the doa of the broadband distributed source fron the secondary diagonal elements of the covariance matrices generated from every frequency domain of the received broadband signals, thus avoiding unwrapping of phases
該類演算法首先將陣列接收的寬帶信號變換到頻率域，然後對于每個頻率形成陣列接收信號協方差陣，最後由該協方差陣的次對角線元素估計寬帶分佈源的到達角，其主要特點是避免了相位展開。Based on extensive investigation of construction technique history of chinese ancient buildings, the structure method, structure developing history and seismic behavior of chinese ancient timber structure buildings are analyzed in several respects of the structural system and form. through a series of experiments on constituent parts of chinese ancient timber building structure, including the tests on the corbels and brackets called dougong subjected to low cyclic reversed loadings, the tests on the wooden frame using the tenon - mortise joints as connections of column and beam subjected to low cyclic reversed loadings, the tests on vibration isolation effect of friction and slippage between column footing and their socle base, and a series of shaking table tests on a chinese ancient timber structure palace building mode under artificial earthquake at serving conditions, destroyed conditions and reinforced conditions, many valuable results of structures such as moment - curvature hysteretic loops of dougong structure and tenon - mortise joints under low cyckc reversed loadings, the static function, the seismic performance, energy dissipation, vibration reduction, energy - loss mechanism, nechanicalmode and failure mode were studied. aplenty of valuable parameters of the structure system were obtained, such as the natural period of structure, vibration modes, damping ratio, factor of vibration isolation, oscillate amplitude of ineitial accebration, velocity and displacement, magnitude of slippage, and the mechanism of structure failure and collapse etc. based on these research, the complete analysis of ancient timber structure under earthquake were carried out in which including mechanism analysis method, calculating mode, strength analysis of members and joints, strengthening methods for serving damaged ancient timber structure buildings were also taken into account
依照宋代《營造法式》建造了抬梁式殿堂木結構構件及結構模型，對中國古代木結構中的典型構造如：柱腳在礎石頂面平擱簡支、柱架榫卯連接、柱高不越間之廣、側腳、生起、斗拱等的構造機理及結構功能進行了量化分析和實驗研究： （一）通過木柱石礎靜摩擦試驗，測定了柱腳與石礎古鏡面間的摩擦系數及摩擦力隨上部結構荷載變化的規律； （二）通過單柱承載力試驗，測定了古建築中木柱的受力變形特徵、破壞模式、及模型材料的變形模量、極限承載力、極限變形等參量； （三）通過柱架低周反復荷載試驗，測定了柱架的抗側移剛度、柱架恢復力特性及滯回曲線、榫卯張角剛度及其變化規律、柱架及榫卯的極限承載力和極限變形、及榫卯減振參數； （四）通過斗?低周反復荷載試驗和受壓試驗，測定了古建築木構件與木構件間摩擦系數，斗?抗側移剛度，斗?恢復力特性及滯回曲線，斗?抗壓極限承載力及受力變形規律； （五）通過抬梁式殿堂間架模型振動臺試驗，測定了殿堂木構架結構自振周期，地震反應振形、阻尼特性及阻尼比；按結構分層特點對柱腳、柱頭和斗?層上的屋蓋的地震反應採用多點同步測量，對柱根滑移、榫卯變形、斗?的變形、復位、耗能減振參數等進行了定量分析。On the ground of educative theory, this paper exposits connotation and characteristic of project - based learning and why we should also enforce project - based learning in high school. as far as substance of project - based learning and objective circumstance what it should have are concerned, it points out the practical ability. at last, based on that university physics education has relatively longer cycle, it proposes stage pattern for enforce project - based learning and give two concrete cases, which discuss capacitance of confocal oval - shaped stylar capacitor and potential distribution of charged conductor of surface being uniparted hyperboloid
本文在具體的教育理論指導下，闡述了研究性學習的內涵及特點；在大學物理中實施研究性學習的意義；以及就研究性學習的實質和所需具備的客觀條件而言，論述了研究性學習在高校中實施的可行性；並根據大學物理教育具有周期性相對較長和專業循序漸進的特點，提出了研究性學習的階段性模式，並給出了具體的實例，利用保角變換法討論了共焦橢圓柱形電容器電容及單葉雙曲面帶電導體的電位分佈。The administrtion of the government is challenged by wto. the duty the government will chang, the role of the government play will reform. in the conjunction with wto, our government " s institution of public administer, the means of ideology, and the ways of the work will also change
政府在這個碰撞中，應該是受到沖擊最大的單位，政府的職能要轉變，在社會中扮演的角色要轉換，以前的行政結構、思維方式、工作方法都要隨著與世貿接軌而轉變。Backed up by the soplat theory based on particle kinematics, the second chapter of this paper presents with analysis and simulation of several single observer passive measurement models, which uses such relative movement parameters as bearings changing rates and centrifugal acceleration information on the basis of bearings measurements. in the third chapter, the observability of location respectively using bearings and its changing rates information and centrifugal acceleration information is analyzed, and its observable condition is got. the fourth chapter puts forward the modified covariance extended kalman filtering ( mvekf ) against the defect of traditional extended kalman filtering ( ekf ), whose performance is simultaneously compared in the chapter with the performance of ususal tracking algorithm such as ekf, mgekf, iekf by computer simulation
在近年來提出的基於質點運動學原理的單站無源定位理論基礎上，本文第二章提出了幾種在角度測量的基礎上增加角度變化率及相對運動的離心加速度等運動學參數的單站無源測量模型，並對它們進行了分析和模擬；第三章分別對利用角度及其變化率信息定位和利用離心加速度信息定位的可觀測性進行分析並得到了相應的可觀測條件；第四章針對傳統擴展卡爾曼（ ekf ）方法的缺點，提出了一種修正協方差的擴展卡爾曼濾波（ mvefk ）方法，並將其和ekf 、 mgekf 、 iekf等常用的單站無源定位濾波方法進行了性能模擬比較；第五章通過引入雷達機動目標跟蹤方法和模型，提出了利用角度及其變化率對機動輻射源跟蹤的多級噪聲自適應方法和imm方法；第六章主要對角度變化率和離心加速度參數的獲取技術進行了研究，提出了幾種高精度測量脈沖序列多普勒頻率變化率的方法。Two nonlinear simulation methods are designed by curve fitting method and anfis which seem simply and right in the simulation experiment. based on the model different control strategies also were realized in detail such as chopped current control ( ccc ), angular position control ( apc ), amplitude - change ccc and pi control. a simple torque sharing function ( tsf ) method and a tsf controller were designed which decreases torque ripple effectively
文章中還建立一種基於模糊神經網路的非線性模型，並對比分析了三種方法，模擬中確定了電機的最優開通關斷角，在此基礎上實現了電流斬波控制、角度位置控制、變幅值電流斬波控制以及分段雙閉環pi控制，模擬結果表明，它實現了電機的正常運行，很好的抑止了電機轉矩脈動，同時有效地降低了噪聲。The sea1 ring with complex section shape cafl be treated as a combined body made of several individual cy1 inders with di fferent dimensions. by app1ying the method used in the " edge prob1 em " of the fnoment theory of she11, the deformat ion - - - radia1 disp1acement and rotation at the two edges of each individual
應用殼體力矩理論中求解邊緣問題的方法，將密封環分解為多個等厚度、截面為單一矩形的筒體，對每一圓筒進行分析並運用殼體力矩理論求出其兩個邊緣在外載荷作用下的邊緣變形值? ?徑向位移及轉角。In the application of mini - micro - robot visual perception, there is a need for fish - eye lenses for capturing wide field of view for navigation. though fish - eye lenses provide a wide field of view ( 180 ), they introduce significant distortion in images and the acquired images are quite warped, which makes conventional camera calibration algorithms no longer work well. this paper presents an accurate calibration framework for fish - eye lens ( a high distortion lens ) camera stereo vision system. the accurate calibration model is formulated with radial distortion, decentering distortion and thin prism distortion based on the fisheye deformation model. using fish - eye and non - linear camera model, the author employs levenberg - marquardt method to realize precise non - linear calibration for wide - view - scene dense depth image recovery
魚眼鏡頭成像立體視覺系統在微小型機器人視覺導航和近距離大視場物體識別與定位中有著廣泛的應用.盡管魚眼鏡頭攝像機具有很大的視場角（接近180 ） ，但同時也引入嚴重的圖像變形，常規的攝像機標定方法無法使用.該文提出一種標定魚眼鏡頭攝像機立體視覺系統的方法.在魚眼鏡頭變形模型的基礎上，通過考慮魚眼鏡頭成像的徑向變形、偏心變形和薄棱鏡變形，建立了魚眼鏡頭成像的精確成像模型，然後，利用非線性迭代演算法，精確求解攝像機外部參數、內部參數.實驗表明，使用該方法得到的立體視覺系統參數滿足精確恢復大場景稠密深度圖的要求In the theoretical description of grazing emission fluorescence, the mode of fluorescence intensity emitted from layered materials dependence of grazing angle is established by applying asymptotic approximations to double fourier integrals, and the theoretic calculation formula of fluorescence intensity from a thin layer is derived. by the derived expressions, the theoretic simulation curves of several thin layers on si substrate are calculated. in the experimental setup, the requirement of construction of the setup and some important parameters are brought forward
最後，利用平穩位相方法建立了掠出射情況下薄層樣品產生的熒光強度和掠出射角的對應關系數學模型，推導了薄層樣品熒光強度理論計算公式，並以此為依據模擬計算得出了cr 、 fe 、 ti和ni等幾種以si作基底的單層薄膜樣品的熒光強度隨掠出射角變化的理論曲線。Harmonic method : the representation of tidal variations as a sum of harmonics known as constituents each of different frequency, amplitude and phase
調和法：將潮汐變化分解為不同頻率，振幅和相位角的諧波（即分潮）的方法。Slope deflection method
角變位法For cutting the composite lock gear with unequal tooth thickness, a study is made on the design method of gear sharper cutter with nonstandard parameter involute tooth profile and noninvolute tooth profile. the cutter tooth arrangement, the choice of teeth number of the cutter and the basic method of cutter design are discussed ; and a new method of choosing deflection factor by using limited area is presented. and the curve of relationship between rear angle on tooth crest and helical angle on tooth side of the cutter is given so as to give a basis for the gear sharper cutter to choose its parameters. to design nonstandard gear sharper cutter by adopting the method mentioned above will simplify the calculation and will increase the efficiency of design
研究加工不等齒厚的非標準參數漸開線齒形，與非漸開線齒形復合的鎖閉齒輪插齒刀刀齒的排列、刀具齒數的選擇以及刀具設計的基本方法，介紹用限制區域選擇插齒刀變位系數的新方法，並給出刀具齒頂后角與側螺旋角的關系曲線，為插齒刀參數的選擇提供依據.結果表明，採用上述方法設計非標準復合齒輪插齒刀，可簡化計算和提高設計效率Firstly, the basic theory of switch reluctance generator ( srg ) is discussed in detailed, based on the mechanism electric energy converting analysis, non - linear analysis and non - linear simulation. three control methods of srg ( angle position control method, current chopping control method, pulse width modulation control method ) are deeply studied and analyzed. the electronic controller, which controlled by dsp or by hardware circuit are developed for low - power switched reluctance generation system
首先系統地研究了開關磁阻電機發電運行的基本理論，從機電能量變換的角度分析開關磁阻發電機的機電能量變化規律；通過非線性分析和非線性模擬方法，明晰開關磁阻電機發電本質，概括出開關磁阻電機發電運行的特點；系統、深入地研究了開關磁阻電機發電運行的控制方案（角度位置控制、電流斬波控制、脈寬調制控制） 。The fifth chapter makes a technological analysis to the engine bolt on the whole and put forward the application of plasticity out of shape district control law and elasticity out of shape district corner control law to the keys parts of the engines, including connecting rod and main bearing
第五章對發動機螺栓緊固技術作了技術分析，提出了塑性變形區控製法和彈性變形區轉角控製法在發動機關鍵部位螺栓，如連桿、曲軸主軸承蓋上的應用。The main idea of this research can be summed up as following words, reflecting light or scattering light upon the surface of measured object formats an image on the photo surface of psd by a optical system, because of the good relationship between the offset of image point in psd and the offset of object thickness, a mathematical model can be founded according to this relationship. it can measure the shift of object thickness through these analyses of movement of image point position in psd, and this device can be tested its reliability with many practical specimens
光學式非接觸厚度-微位移測量儀是在激光三角測量法的基礎上實現的，在本研究方案中，根據象點在psd上的移動量建立與被測物厚度-微位移變化之間的數學模型，通過對象點位置變化的計算，實現被測物厚度-微位移變化量的測量。本文重點闡述了光學式非接觸厚度-微位移測量儀的工作原理，並對測量儀的工作過程進行了分析；對影響測量精度的因素做了討論。Give some simulations about the doa ( direction - of - arrival ) estimation based on system of correlation equations. while the improved genetic algorithms was used. comparison of the accuracy of estimation for different objective function and different values of snr are given with narrowband signal
該方法運用改進后的遺傳演算法對聲壓和質點振速之間的相關方程進行求解，當目標信號為窄帶時，對不同代價函數下遺傳演算法對信號的方位和強度估計進行了比較，並對信噪比、方位角變化時該方法的估計結果進行了模擬研究。分享友人