方向圖的形成 的英文怎麼說
中文拼音 [fāngxiàngtúdexíngchéng]
方向圖的形成
英文
pattern generation- 方 : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
- 圖 : Ⅰ名詞1 (繪畫表現出的形象; 圖畫) picture; chart; drawing; map 2 (計劃) plan; scheme; attempt 3...
- 的 : 4次方是 The fourth power of 2 is direction
- 成 : Ⅰ動詞1 (完成; 成功) accomplish; succeed 2 (成為; 變為) become; turn into 3 (成全) help comp...
- 方向 : direction; orientation
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And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed
研究結果如下:首先針對荒漠化地區的地物特徵,對高光譜數據不同波段的數據質量、波段組合進行了評價,提出了適用於荒漠化監測的基本波段選擇集;初步了解和掌握了研究地區的地物光譜特性及變異規律,進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎;發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度變化引起的反射率曲線整體平移的「同物異譜」現象,對于譜形相似而整體反射率的值相差較大的兩類地物,通過引入均值和方差圖像參與分類得到解決;研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段,這些波段與植被生物量和蓋度都有密切的關系,是開展精細植被分類研究和植被定量反演的重要基礎;像元的導數光譜分析可以消除土壤背景的影響,是進行植被生物量和蓋度定量反演的有力工具;建立了荒漠化監測主要評價因子的定量反演模型,並分析了模型的適用性。The point analyses the composition and efficancy of the structure of corporate governance with the modern administration theory. lt systematically sets forth and compares the features and development of the structure of the corporate governance in chinese and western. by analyzing the present situation of our listing companies, it points out : " the internal control " can be considered the inevitable phenomenon, emerged in the period from the socialism planned economy to the market economy in china ' s state - owned enterprises. by the means of gathering a vast amount of data and analying cases and charts, it gives the conclutions : because the enterprise inform is progressed " step by step ", the internal controlling in our country has assumed its own features : the enterprise is in the concussion between the " super - powerful controp ' of external and the " super - weakly control " in internal. those popular phenomenon have been looked as the principle manifestation of " the internal control " which taking the national stock as the ma in part and holding the post of chainman of the board and the chief manager in company to the same man
本文利用現代管理理論和現代企業理論來剖析公司治理結構的組成和效率體現,對中西方公司治理結構的特徵和歷史發展作了較系統的闡述和比較,並且運用大量的數據對我國上市公司治理結構進行了實證分析,指出: 「內部人控制」是在我國社會主義經濟向市場經濟轉軌時期,國有企業公司治理結構中出現的一種必然現象。本文在闡述公司治理結構特徵和功效的基礎上,通過大量數據的收集、案例分析和圖表處理來分析我國企業治理結構的歷史變遷並揭示出:由於我國企業改革是「漸進式」的, 「內部人控制」表現出其自身的特點:企業處于外部「超強控制」和「超弱控制」的兩極震蕩中。作為最具我國現代企業代表特徵的上市公司,因為以國家股為持股主體,董事長和總經理兩職兼任的現象甚為普遍而成為目前企業事實上的「內部人控制」的主要表現形式。On the diagram, propagation is manifested as a coherent line of cloudiness sloping in one direction or another
在這張圖上,傳播表現為向某一方向傾斜的相互密合的雲帶的形成。The characters of this antenna lie in three points : using yagi - uda antenna to obtain antenna gain through the radial direction ; making full use of the space of the base station along the z - axis direction to get array gain ; arranging the antenna array properly to achieve pattern diversity in azimuth plane
其特點集中體現在三個方面:在天線徑向通過八木天線的形式獲得增益;充分利用基站空間在z向組成陣列獲取陣列增益;利用開關八木天線方向圖可重構的特性,通過合理的布局,在方位面內實現角度分集。Aiming at this problem, the main research issues and achievements in this paper are as follows : bi - directional data transformation between rdb and xml with semantic constraints preserved for most of existing researches on static data transformation between xml and rdb, dtd is taken as the schema description language for xml, and the semantic constraints are often lost during the transformation process. to overcome these disadvantages, the author adopts xml - schema, a standard schema description language proposed by w3c to replace dtd, as the description method owing to its more powerful functions than dtd, and of course with the syntax much more complicated. after analyzing the constraints characteristics in both xml - schema and relational schema, a semantic constraints - preserved algorithm is proposed which can realize the bi - directional schema mapping between rdb and xml through a formalized description of xml based on regular tree and a general expression for relational schema based on direct graph approach
保留語義約束的xml與rdb雙向靜態數據轉換技術現有研究大多採用dtd ( documenttypedefinition ,文檔類型定義)作為xml的模式描述語言,並且在模式映射過程中丟失語義約束信息,本文分析了xml - schema ( xml - schema採用與dtd完全不同的語法,數據描述能力更強同時也更為復雜,已被w3c確定為替代dtd作為xml模式描述語言的標準)及關系模式的語義約束特徵,通過基於正則樹的xml形式化描述方法以及基於有向圖的一般關系模式表示方法的研究,建立保留語義約束的xml - schema與關系模式的雙向模式映射演算法,實現了xml與rdb的雙向數據轉換,較好地解決了xml與rdb在靜態數據轉換層面的數據集成問題,可有效滿足企業大量rdb數據面向xml的發布以及與日俱增的xml數據存入rdb的應用需求。Abstract : a new waveguide which can change the wide wall of a rectangular waveguide into a symmetric arc wall is named as a cam - rectangular waveguide. comparing to sectoral waveguide, the new waveguide has the same voltage characteristics and is easier to be produced and fixed. an approximate formula of the dominant mode fields and the normalized conductance of a longitudinal resonant slot cut in the curved wall of a cam - rectangular waveguide are given. a resonant slot linear array in c & x band is designed, in which the slot voltage distribution is equiphase and the input is matched. the input voltage stationary ware ratio and the h - plane pattern of the antenna are measured. the experimental results show the conformance with theoretical results
文摘:把常用的矩形波導一個寬面改成圓弧形構成的波導稱為圓突-矩形波導.這種波導與扇面波導相比:電性能相當;波導管結構更加簡單,容易加工,便於安裝.文中給出圓突-矩形波導中主模場,圓曲面上縱向槽歸一化諧振電導近似公式.設計了c和x波段波導曲面縱向諧振縫隙線陣,縫隙電壓相位為同相分佈,輸入端匹配.實際測量了天線輸入端電壓駐波比和h面方向圖,理論與實驗相吻合Smart antenna has been widely researched in communication and signal processing, the adaptive beamforming algorithm is the key technique of smart antenna. it could adaptively steer the array directional pattern to form the main narrow beams with high gain in the direction of the users " signals while deeply nulling the interference signals. it is an effective way to realize the optimal receiving of the interesting signals
智能天線技術是目前通信和信號處理等領域的研究熱點,自適應波束形成演算法的研究是智能天線的一個關鍵技術,它能夠自適應地控制天線陣方向圖在用戶信號方向產生高增益窄波束,在干擾信號方向產生較深的零陷,是實現用戶信號最佳接收的有效方法。This figure has two skinny legs. and fold it over in the direction of the arrow flip the entire figure over
這個圖形顯示有兩個小小的腿。沿著箭頭方向對折,完成整個圖形的形狀。Firstly, the paper, combining the characteristic of synchronous pulse bursts and inhibition with the modified pcnn model, presents a way of finding the foveation points in the images adaptively and effectively, and simulates the human vision system. secondly, pcnn is extended to pcnns, based on the properties of information couple and transmission, an algorithm that is used to fuse images of the same target got by several sensors to an image is presented to simulate the human vision system. thirdly, combining the properties of synchronous pulse bursts, capture, and transmission and competition of waves, the paper presents two ways of classification, one is an algorithm based on the properties of neuron to capture and inhibit to classify the data taking on any complex unlinear distribution robustly, the other is based on the restricted distance and modified of the former to remove the influence of inferior samples in classification ; fin ally, based on the accumulative difference pictures, and the forming and transmission of pcnn wave, selecting and controlling the direction of autowave by connecting the neighbouring neurons selectively, the paper presents a way to simulate the tracks of moving object and detect the moving direction
首先結合pcnn的同步脈沖發放和側抑制特性,提出了基於改進型pcnn的圖像凹點檢測演算法,該演算法是一種自適應而有效的圖像凹點檢測方法,並且較好地模擬了人類視覺系統;然後,結合信息傳遞和信息耦合特性,將pcnn擴展成pcnns ( pcnn網路群) ,提出了一種基於pcnns的圖像融合演算法,能夠將多個傳感器獲取的同一目標的圖像信息融合到一幅圖像中,有效模擬了人類視覺系統;另外,結合pcnn的同步脈沖發放特性、捕獲特性和波的傳播競爭特性,開拓地將pcnn用於模式分類中,提出了基於耦合神經元點火捕獲抑制特性的分類方法和改進的約束距離下的pcnn分類方法,前者可實現對樣本空間中任意復雜分佈訓練樣本的穩健非線性分類,而後者能夠消除訓練樣本中刺點對分類的影響;最後,結合累積差分圖像思想、 pcnn波的形成與傳播特性,通過各神經元之間連接取向來選擇與控制自動波的流向,將pcnn用於運動視覺分析中的運動軌跡模擬及運動方向檢測。The whole dissertation can be divided into 9 chapters, which are mainly engaged on the comparative theories of the common balance and the partial balance, and the methodology of the demonstration and criterion economics to do the analysis and res earch on the purpose of making relatively thorough and deep assessment on the policy - making and related improvement suggestions on such areas as the implement performance of the agriculture policies, the requirement structure of agriculture, the structure of employment, the basic elements and arrangement of agriculture production, the sustainable development of agriculture and the agriculture internationalization etc. the basic innovative points of the dissertation are as follows : ( 1 ) to establish a systematic framework for the research on the policies of agriculture industry and the structure of agriculture industry ; the framework for grand agriculture industry structure ; the framework of subject relationship in the agriculture socialized service system ; the circulation framework of sustainable development for agriculture ; the model framework for corporation development for agriculture institution ; ( 2 ) to expand the external scope of the concept of agriculture ; ( 3 ) to put forward the ideas of the corporation orientation by restructuring and innovating the present agriculture operational institution ; ( 4 ) to raise the viewpoints to set up the quality standard system for agriculture produce and to initiate the same system of the internal and external trade ; ( 5 ) to offer the suggestions on guiding the development of the township and private enterprises through the industry policies ; ( 6 ) to raise the innovative viewpoint by way of the systematic analysis on agriculture and the employment structure of the countryside, the district arrangement, technological innovation and the marketing system of agriculture produce ; ( 7 ) to put forward the comprehensive thinking way to broaden the logistics services for agriculture produce ; ( 8 ) to raise the new idea of the agriculture supporting system and the policy suggestions on expanding the areas for the government to support agriculture industry, reorganization of agriculture insurance system and aid to the weak masses of the countryside
本課題是在國家農業產業政策不斷完善和產業經濟學科科學發展的背景下,從農業產業政策的實踐出發,從大農業產業結構、組織、技術、資金、勞動力、土地等資源配置以及區域布局、國內外關聯等角度,以農業產業政策與農業發展的互動關系為切入點,提出了農業產業政策調整取向,初步形成和發展了政策理論。全文共分9章,主要運用一般均衡和局部均衡比較等理論,實證、規范經濟學研究等方法進行探討,對農業產業政策實施績效、農村需求結構、就業結構、農業生產要素和布局、農業可持續發展、農業國際化等命題以及對策建議作了比較全面深入的評析。本課題研究主要有以下創新觀點:初步搭建了農業產業政策和結構理論框架,設計了政策和結構體系圖;延伸了「農業」概念外延,提出了「大農業」的構想;提出了農業產業經營組織再造和創新的公司化發展方向,設置了農業產業化、公司化發展模式圖和產業化公司模型圖;設計了農業可持續發展良性循環圖和農業資金投入效益模型圖;提出了建立農產品質量標準體系、推行內外貿一體制的觀點;建立了農業保障體系參照圖,建議通過產業政策引導鄉鎮、私營企業和「三資」企業發展;剖析農村勞動力就業結構、區域布局、科技創新、農產品市場體系;提出了加大農產品物流配送的整體思路;提出了農業支撐體系新觀念及擴大政府支農范圍、重構農業保險體系、扶持弱勢群體的政策建議。The most important feature of phase - only nulling method lies in only making use of phase perturbations for controlling pattern ' s nulls, namely, amplitude of weights is fixed
唯相位( phase - only )方向圖置零方法是一種只利用陣列單元的相位擾動對方向圖的零點進行控制的波束形成方法。2 - d superresolution direction finding methods at subarray level suited for plane phased arrays are studied. for overcoming the limitations of true array manifold ( tam ) that the expense and cost of the array calibration are high and the calibration realization is complex, five kinds of simplified array manifolds are proposed, namely direct simplified array manifold ( dsam ), simplified array manifold based on ideal subarray patterns ( sam _ isp ), simplified array manifold based on approximate ideal subarray patterns ( sam _ aisp ), simplified array manifold based on gaussian subarray patterns ( sam _ gsp ), simplified array manifold based on approximate gaussian subarray patterns ( sam _ agsp ) respectively. the performances of applying these array manifolds to music, wsf and ml methods at subarray level are analyzed
本文研究了平面相控陣二維子陣級超分辨測向,針對真實陣列流形( tam )校正成本和代價高以及實現復雜的缺陷,提出了五種簡化的陣列流形分別為直接簡化的陣列流形( dsam ) 、基於理想子陣方向圖的簡化陣列流形( sam _ isp ) 、基於近似理想子陣方向圖的簡化陣列流形( sam _ aisp ) 、基於高斯子陣方向圖的簡化陣列流形( sam _ gsp )和基於近似高斯子陣方向圖的簡化陣列流形( sam _ agsp ) 。The simulation results reveal that water vapor transportation northward is responsible for the generation of the convective instability in south shandong, and the easterly wind from sea, gravity wave and convergence generated by southward invasion of weak cold air in pbl play main role in trigger, transmission and enhancement of convective systems
定性地給出了中尺度對流系統氣流運動的圖像,即:在邊界層,氣流從東南方向斜升流入中對流區,在系統中垂直上升,約在7000米一9000米高空向東北方向流出,形成非閉合的垂直環流。This thesis analyzes circle array ’ s performance and employs different arithmetic accordingly ; transforms circle arrays to line arrays by mode transform ; analyzes the space geometry antenna ’ s pattern function
本文分析了圓形陣列的性能,在此基礎上應用了不同的演算法;利用模式轉換將圓形陣列轉化成為虛擬的線陣,並且分析了共形天線的方向圖函數。In the chapter, we are also presented a low sidelobe beamforming synthesis technique. the main beam is pointed in the proper direction by choosing the steering vector for that direction
為了獲得自適應優化權向量,形成任意的旁瓣電平波形,即使在旁瓣區域干擾很強時,也能保證有很好的方向圖輸出。Author thinks that the direction of the maximum plastic distortion along a constant radius around the crack tip may be considered as the direction of shear - mode fracture ( named pmax - criterion ) and the load when located shear band prongs the ligament in the front of crack tip is regarded as the limited load of shear - mode fracture. ( 3 ) the fad ( fracture assessment diagram ) of titled crack is proposed based on achievements of mesomechanics about i - ii complex ductile fracture of metal, and the titled crack is classified two kinds : void - mode fracture is assessed by fracture assessment curve, and shear - mode fracture by limited load. ( 4 ) using a fe program based on plantle - ressue theory to calculate some mesomechanical parameters, a flange joint structure of a high pressure vessel ( design pressure 31. 4mpa and the thickness of the hemispherical head is half of that of shell. ) is analyzed to determine whether the structure under operation pressure is safe or not, forecast the mode of potential invalidation and argue for the rationality of design of the structure
試件的整體斷裂為剪切型,但在試件芯部裂尖鈍化區中部出現了韌窩型啟裂並有一定的擴展,說明局部較高的應力三軸度也會使韌窩型機制得以發展,但是不改變試件整體的剪切型斷裂模式;對韌性斷裂的剪切模式的細觀機理做了一定的探討,並且提出了含裂紋構件剪切型斷裂的宏觀判據:認為裂紋前方的集中剪切帶中與裂紋尖端等半徑處最大有效塑性應變出現的方向可以作為裂紋剪切斷裂的方向(可簡稱為_ ( pmax )準則) ,集中剪切滑移帶貫穿裂紋前方承載韌帶時的載荷可以作為極限載荷;本文運用金屬韌性斷裂細觀力學在一復合型韌性斷裂方面的研究成果,採用失效評定圖的形式,提出了傾斜裂紋的安全性評定方法的基本框架。Two kinds of reconfigurable planar fractal antennas that could steer in the e plane are designed. some experiments have been finished, and the results accorded with the simulation results well
設計出兩種能夠實現e面方向圖掃描特性的分形平面天線,並且完成了部分原理性實驗,模擬和測試結果吻合良好。A calculation method and calculation results that show that a new kind of shaped paraboloid antennas can produce a ringy radiation pattern is presented
摘要通過數值計算發現:將拋物線繞通過焦點的非拋物線對稱軸旋轉而形成的賦形拋物面天線可產生環狀的方向圖主瓣(此主瓣指的是主瓣最大值處) 。Standing on both contemporary art and landscape design states, the thesis analyze schwartz ' s design style, which can be divided into two parts. first is her design philosophy, which is steered by the pop art, land art as well as her cognition of landscape design. the second comes from the first, which include many of her design feats : transfigure the commonplace ; ridiculous forms ; modernism form and structure ; post - modernism space ; integration of the tradition and modern and application of metaphor
在作品介紹及特點總結的基礎上,論文從施瓦茲所處時代的藝術、行業背景出發,進一步探討施瓦茲的設計風格的形成,淺析了形成她設計風格的兩個方面設計思想:波普藝術、極簡藝術、大地藝術的引導以及她本人在設計過程中對當代園林的認識;手法特色:對普通材料的升華、色彩與造型的幽默、形體的現代主義傾向、構圖的后現代傾向、傳統與現代的結合、象徵意義的應用。In addition, based on the second order hilbert curve, some modifications have been done. with different kinds of substrates, the pattern - reconfigurable antennas and the broadband directional antennas are designed
第四部分,針對hilbert二階分形曲線並做一定的改進,利用不同的介質材料,設計出方向圖可重構平面天線以及寬帶的定向天線,完成了部分原理性實驗。分享友人