無定向型 的英文怎麼說
中文拼音 [wúdìngxiàngxíng]
無定向型
英文
astatic type-
Modeling : this thesis develops a method different from traditional techniques that begins with the cylindrical projection of a generic model and its seamless global texture map using multiresolution technique, and then automatically fit the unwrapped cylindrical projected mesh to the texture map with an improved algorithm that based on 2d morphing to specify corresponding feature points ( or lines ). finally, we propose a formula of inverse cylindrical projection to recompose the deformed mesh, and after the texture mapping a photo - realistic individual facial model is created
採用多解析度技術構造紋理無縫拼接圖，然後把三維網格模型投影到圓柱面上並展開，根據二維圖象變形技術中特徵點匹配演算法的數學思想，將匹配公式進行改進后應用於模型網格點的適配，在作了一定假設后推導出逆向圓柱映射的計算公式，再將適配后的柱面網格映射回去，最後進行紋理映射生成真實感的特定人臉的三維模型。First, the nonlinear ls problem without constraint is converted to that subjected to inequality constraints by putting constraints on the do as of the received signals and toas of the first arrived signal with geometrically based single - bounce ( gbsb ) statistical channel model and cost - 207 model. then, a penalty function is used in the estimation of ms position
首先，用基於幾何結構的單次反射圓模型和cost - 207模型，對期望定位用戶的各條多徑信號的波達方向和最先到達多徑信號的時間進行約束，將傳統的解無約束的非線性最小二乘定位問題或近似線性最小二乘定位問題轉化為解不等式約束的非線性最小二乘定位問題；然後，用內點罰函數法估計移動臺的位置。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Working conditions and productive capacities of both drill carrier and carry - scraper used during mechanical cut and fill stopping activities in xinqiao mining cooperation ltd. are evaluated by field testing and theoretical analysis in this paper
摘要以新橋礦業有限責任公司大型機械化上向水平分層充填采礦法中使用的鑿巖臺車和鏟運機為研究對象，通過現場測定和理論分析相結合，評價了無軌設備的應用狀況和生產能力。Based upon the analysis of the data obtained during the survey, it can be concluded that : 1 ) the number of biomass of macrobenthos in the yellow sea and the east china sea in autuma is higher than that in spring, while the number of density of macrobenthos in autumn is lower than that in spring ; 2 ) the number of biomass of macrobenthos in the yellow sea is higher than that in the east china sea ; 3 ) the number of species in the yellow sea is lower than that in the east china sea ; 4 ) one of the characteristics of distribution of macrobenthos in the east china sea is that the species richness increased from the coastal waters to the offshore deep waters, from the north to the south. 5 ) the species composition in the deeper part occupied by the cold water mass of the yellow sea is more stable than that in the coastal part of the yellow sea in the late 40 ~ 50 years
通過以上幾方面的分析，結果表明： 1 ）黃東海調查海域的秋季總生物量均高於春季，總棲息密度則低於早春季； 2 ）黃東海春季生物多樣性指數高於秋季； 3 ）南黃海、東海的水文特點顯著不同：東海底溫顯著高於南黃海底溫，東海底鹽亦高於南黃海底鹽； 4 ）南黃海春秋季生物量分佈無一致規律，東海春秋季生物量除長江口外基本上自近岸向外海逐步降低； 5 ）東海大陸架大型底棲動物的種類組成較南黃海更豐富； 6 ）東海大型底棲動物的分佈特點之一為：種類數由北向南、由近岸（西部）向外海（東部）逐漸增多； 7 ）在黃海冷水團控制的海域，其底棲動物種類組成較近岸海域穩定； 8 ）幾個生物多樣性指數各有側重，都能較好地反映底棲動物的分佈特點The fir trees, standing firm and steady, are painted with the simple strokes of a self - taught painter. the green lawn on the slope perhaps a reflection in the lake is expressed not in realistic form, but as a huge patch of color boldly applied from left to lower right to create an incredible dynamism
奮斗大膽強烈的用色，遠近距離之處理顛覆了傳統視覺概念杉樹造型穩定中帶有幾分素人畫者的拙趣坡地上的草茵或許是湖光倒影非以具象展露，而以大面色塊由左向右下方作大筆揮灑，充滿無比的動感。It was revealed that the hexagonal order was destroyed and the phase transition from hexagonal to amorphous structure with the increment of manganese ion, and with the appropriate neutral hexadecylamine ( hda ) with cetyltrimethylammonium bromide ( ctab ) as mixed template, mn - mcm - 41 was synthesized with well uniformly pore size and hexagonal mesostructure for the additional function of n - metal covalent bond, and the ordered structure was mediated by the influence on the packing parameter
表明隨著mn ~ （ 2 + ）引入量的增加，導致介孔長程有序結構的破壞，最終引起由六方相向無定型相的轉變。適量中性表面活性劑十六胺的引入以形成混合模板劑，通過在原有靜電作用基礎上增加n -金屬鍵作用，合成結構較為完整的錳摻雜mcm - 41材料。Secondly, to achieve the independent regulation of active and reactive power output from the generator side which is designed for the purpose of tracing the maximum wind - energy capturing. the paper has analyzed the mathematic model of the ac excited doubly - fed machine and the stator field orientation control strategy of the motor as vscf wind power generator. thirdly, it has put forward and designed the dual pwm converter with the capacity of energy flowing bidirectional aimed at the demand of rotor energy bidirectional flow. the author constructed reliable and integrated experimental system and did a series of experimental study including no - load, cutting - in network and power generation at, below and above the synchronous speed
論文首先分析了風機運行特性及其最佳風能利用原理，通過模擬及實驗驗證了採用直流電機的輸出特性模擬風力機的最大輸出功率曲線的可行性，並給出了模擬系統的硬體結構；然後為了實現交流勵磁發電機有功、無功功率獨立調節機理，分析了交流勵磁雙饋發電機的數學模型和在追蹤最大風能捕獲變速恆頻風力發電時必需的定子磁鏈定向矢量控制策略；針對雙饋發電機轉子能量雙向流動的要求，提出並設計了具有能量雙向流動能力的雙pwm交流勵磁用變頻器；最後為實現從理論到實踐的全面研究，研製出了一套小功率完整的雙pwm變頻器交流勵磁的雙饋風力發電機實驗系統，進行了空載、並網、同步速及上、下的發電運行等一系列的運行實驗；所完成的模擬和實驗研究均驗證了理論、模型和控制策略的正確性、可行性。After coating on the surface of silica, gd2o3 : eu has better luminescence properties
包覆后使sio2從無定型向晶型轉變的溫度明顯降低。The xrd showed that the crystalline of samples prepared in various o _ ( 2 ) partial pressure and various sputtering power was amorphous, the anatase crystalline formed when heat treatment temperature was above 450, and heat treatment temperature was higher, the crystalline was better. sem showed that the crystal grams formed on the surface of films when the o _ ( 2 ) partial pressure was high ; the obvious and big grains appeared hi the surface with improvement of heat treatment temperature
Xrd分析表明，不同氧氣分壓下制備的樣品基本是無定型結構，不同濺射功率下制備的樣品基本也是無定型結構，當熱處理溫度高於450時，試樣出現了晶面趨向為（ 101 ）的銳鈦礦相，隨著熱處理溫度的升高，結晶程度增大； sem分析表明：隨著氧氣分壓的升高，試樣表面出現微小結晶顆粒；隨著熱處理溫度的升高，試樣表面出現了相當明顯的結晶顆粒，試樣的比表面積增大。In the simulation experiment, the whole system model is founded by the software matlab / simulink. using the stator active power computed from the maximal output power of the wind turbine as the reference value of vector control system, the result of experiment approves that the control strategy is true. not only the frequency of stator current is constant, but the control of stator active and reactive are decoupled, and the output power tracks the maximal power of wind turbine
在最後的模擬實驗中，本文利用matlab軟體建立了系統各部分的模擬模型，選用與風力機最大輸出功率對應的定子有功功率作為矢量控制的參考值做了模擬實驗，並給出了模擬結果，驗證了定子磁鏈定向矢量控制策略的正確性：既保證了定子輸出頻率的恆定，又達到了有功功率無功功率獨立解耦控制的目的，同時還較好地跟蹤了風力機的最大功率輸出。The contributions done are as follows : according to the mathematical model of doubly fed motor and the theory of vector control, a unit power factor of rotor control scheme is proposed. in the doubly fed adjustment system, in order to control magnetic torque of motor this scheme is designed by controlling the reverse direction between rotor voltage and current to keep the vertical direction between rotor current and flux. it is known from theoretical analysis that for partly decoupling this scheme is only effective under sub - synchronization speed, but not control the system and obtain steady state since speed adjustment system ca n ' t adjust the magnitude of rotor flux under sup - synchronization
而傳統的無速度傳感器雙饋調速矢量控制系統，由於採用磁鏈定向方法，在同步速附近存在較大的工作死區，針對上述問題，本文做了如下的研究工作：本文從雙饋電機的數學模型出發，根據矢量控制的基本原理，提出了一種轉子側功率因數為1的雙饋電機矢量控制方案的設想，即在雙饋調速時採用轉子電流定向的方法，並控制外加轉子電壓與轉子電流始終反相，以保持了轉子電流與轉子磁鏈矢量垂直，通過控制轉子電流的大小來達到控制電機電磁轉矩的要求。This paper first expounds the principle of the bearingless induction motor, gives the mathematical model of bearingless induction motor and analyzes the rotor flux orientation vector control system of the bearingless induction motor
本文闡述了無軸承異步電機的基本工作原理，並建立了無軸承異步電機的數學模型，分析了無軸承異步電機的轉子磁場定向矢量控制系統。Because application settings are strongly typed, you have some confidence that users cannot assign data of an incorrect type to a given setting
由於應用程序設置是強類型的，因此在一定程度上您可以相信用戶無法向給定設置分配類型錯誤的數據。Embryonic stem ( es ) cells are pluripotent cells derived from the inner cell mass ( icm ) of early blastrocyts, which possess the ability of unlimitted proliferation and maintain normal dipoid keptypes under differentiation - inhibited culture in vitro, they will differentiate into multiple lineage cell types or occur commentent and differentiation without differentiation - inhibited factors or hi presence of certain induced - factors.
胚胎幹細胞（ es細胞） ，是存在於早期胚胎內細胞團（ icm ）的一種多潛能細胞。在體外抑制分化培養時， es細胞可無限增殖並保持正常的二倍體核型，一旦撤除分化抑制因素，或添加適當誘導劑， es細胞可發生譜系分化或定向分化。In the qualitative, quantitative and directional way, successful factors, such as the superiority of marketing, the superiority of resource, the superiority of consumption, and the advantage of corporations supporting, etc, were described, and six important background factors, include of the increasing consumption, the competition from milk market, the challenge of joining into wto, the adjustment of industry structure, the winning against oneself, and accelerating development, were analyzed. new objects were put forward, that is, high quality, rationalizatio n of region distribution, having a core of brand, trade penetrating into various area, diversification of product exploitation, internationalization of preponderant product, and orientating function in market. development of tianjin milk industry should be based on materials and base, take resource integrating and market regulating as means, take trade infiltrating and product development as support, take specialization, industrialization, collectivization and internationalization as orientation, take the development of international milk corporation as mode, and take " creating name brand, entering the first - ten corporation of milk industry " as object
本文在廣泛調查研究的基礎上，圍繞天津奶業發展，全面客觀地評價了天津奶業發展現狀，採用定性、定位、定量和定向的方法，描述了天津奶業作為城郊型奶業在競爭中形成的市場優勢、資源優勢、消費優勢、龍頭企業依託優勢、外資企業進入優勢、奶類項目援助優勢等眾多成功因素，分析了天津奶業未來保持產業領先地位必須認真對待的消費需求增長、乳業市場競爭、迎接入世挑戰、產業結構調整、克服自身劣勢、促進跨越發展的六大背景因素，提出了天津奶業新一輪發展瞄準優質生產無抗化、區域布局合理化、品牌整合核心化、行業滲透多角化、產品開發多樣化、高點對接國際化、市場避強導向化的目標定位和以原料、基地為基礎、以資源整合和市場調整為手段、以行業滲透和產品開發為支撐、以專業化、產業化、集團化、規模化、國際化的發展道路為方向，以國際乳品企業的發展為模式，以「創造一流品牌、跨入乳業十強」為目標的天津奶業發展思路，以及天津奶業二十一世紀前十年和前二十年兩大階段奶牛養殖的五大奮斗目標和區域布局原則，最後有針對性地提出飼養模式選擇、全流程安全生產、產業化龍頭培育、學生飲用奶推廣、政策扶持等促進天津奶業成長的對策措施。Mav represents a newly developing direction of aircraft, at home and broad, there are more than twenty kinds of mav in research, the configuration is many and varied, but the problem about which kind of configuration is fit for mav still have no conclusion being drew. what ' s more, the control technique is the most challenging issue of mav. because of the tiny volume and little mass of mav, the traditional controlling scheme has n ' t been so suitable
微型飛行器（簡稱mav ）是飛行器新興的發展方向，國內外在研的mav有20多種，氣動布局形式多種多樣，但哪種氣動布局最適合於hav還仍無定論，且控制問題是mav研究中最具有挑戰性的關鍵技術問題，由於mav體積小、質量輕，傳統的控制方案對于mav已不太適合，而基於mav氣動外形形變的姿態控制方案是一種新穎的先進控制策略，可望填補mav控制問題研究領域的空白。For the lower potential enterprises the steady develop strategy should be taken and promote them gradually to turn forward highly developmental types. and for the enterprises without potential defensive strategy should be taken. they should make industrial structure adjustment gradually and get rid of the passive situation
對于低潛力型企業應該採取穩定發展戰略，並使其逐步向高潛力型企業轉變；而對于無潛力型企業應該採取防禦戰略，逐步調整產品結構，擺脫被動局面。Then define a model description language according to the design pattern of applications to describe the information of object - oriented platform independent model ( pim ). and then design a modeling tool to build platform independent model
然後結合應用程序的設計模式定義了模型描述語言，描述面向業務對象的平臺無關模型信息，並設計建模工具完成對平臺無關模型的建立。The author firstly analyzed the mathematic model of the cascaded brushless doubly - fed machine ( cbdfm ) on the dq and mt coordinate rotating at rotor speed and synchronous speed seperatly, and the equivalent circuit of steady state. the author also analyzed the stator power winding flux oriented vector control strategy of the cbdfm as vscf wind power generator and validated the validity of the model and strategy by the simulation analysis
此外，本文還首次詳盡地分析了級聯式無刷雙饋電機在轉子機械速dq坐標系、定子同步速mt坐標系下的數學模型，穩態等效電路及作變速恆頻風力發電機運行時的定子功率繞組磁鏈定向矢量控制策略，通過模擬分析驗證了模型和策略的正確性。分享友人