線狀影象 的英文怎麼說
中文拼音 [xiànzhuàngyǐngxiàng]
線狀影象
英文
linear image-
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。Further investigated and analyzed composition structure and flow data that dsa ' s formation of image is systematic at first in this paper, carried on intact summing up to the data in the system, having given out the plan of design of high speed and large capacity data channel of digital formation of image system of x - ray ; deeper discussion of control way on sdram, give solution that many pieces of sdram works togetherses of realizing heavy capacity, designing of heavy capacity deposit board realize storing at a high speed to vision data by frame on the basis of this ; through further investigations of interface of pci bus, optimize back end state machine design and urge procedure making with lower, giving intact pci interface scheme that realize high speed dma data transmission and satisfy request of video transmitting ; further investigate the figure systematic design method of programmable logic devices, due to the difficult point of drifting about of enabled signal in fifo in common use and setting up and keeping of output signal, method has been proposed of improving stability of system making use of signal utilizing the phase locking ring in fpga to offer a lot of clocks to move thus realize coordinating the data between every module of system to transmit at a high speed by making use of fifo
本文首先對數字減影血管造影（ dsa ）成像系統的組成結構和數據流向進行了深入研究和分析，並對系統中的數據流向進行了完整的歸納和總結，給出了x線數字成像系統中的高速大容量數據通道的設計方案；在對sdram的控制方式做了深入探討后，給出了實現大容量多條sdram共同工作的解決方案，在此基礎上設計了大容量幀存板實現對圖象數據進行高速存儲；通過對pci總線介面的深入研究，優化後端狀態機設計和低層驅動程序開發，給出了完整的pci介面方案實現高速dma數據傳輸，完全可以滿足視頻傳輸要求；深入研究了基於大規模可編程器件的數字系統設計方法，針對通用fifo使能信號漂移、輸出數據難于建立和保持等設計難點，提出了利用fpga中的鎖相環提供多個時鐘相移的信號來提高系統穩定性的解決方案，從而實現利用fifo來協調系統各模塊之間的數據高速傳輸。Aiming at the study actuality of fan performance monitoring system and analysis of fan performance curve changes affected by inlet - box and the different fixed - angles of guide blades in the course of installation, a fan flow monitoring model based on rbfnn in whole flow zone was established in this thesis. in the model, the method of no throttle and fan performance curve were used as basis. and on the basis of that model, fan performance curves of 4 - 73no. 8d were approached with experimental data of different speed, different opening - angles of guide blade and different resistance of pipeline, the precision and the error law of model were studied
本文針對電站風機性能監測系統研究較少的現狀，在實驗的基礎上分析了現場加裝進氣箱和由於安裝造成的導流器葉片開度不一致對風機性能曲線的影響，並在此基礎上採用無節流方法測量流量，以風機調節性能曲線為依據，建立了基於徑向基函數（ rbf ）神經網路的風機流量全程監測模型；以實驗室4 - 73no . 8d離心風機為研究對象，探討了rbf神經網路差壓模型在變轉速、變導流器開度和變管網阻力等工況下的應用精度和誤差分佈規律；最後用visualc + +語言開發了風機性能在線監測系統。Usually, hpm devices working in the high current and large field amplitude state, after the field reaches saturation, the nonlinear effects will become extremely strong so that the intrinsic nonlinear phenomena ( for example limit cycle oscillation and chaotic behavior ) of the system occur. these nonlinear behaviors directly influence the output characteristic of the devices
在通常情況下，高功率微波源器件都工作在大電流和強場工作狀態，尤其在場達到飽和以後，系統的非線性效應將變得非常明顯，非線性系統所特有的一些現象（如，極限環型振蕩和混沌行為）將出現，這些非線性現象直接影響器件的各種輸出特性。The main research contents of the physical design include : presenting the domestic and international status of space weather and expanding on the need and the importance about the space weather forecast ; sorting the disastrous space weather and discussing their effects and adapted prediction methods ; analyzing the solar disturbing resources of space weather and the precursor or concomitant phenomena of solar eruption based on the newest observational results ; probing into the radiation principle of solar short - wave ray and presenting the computing methods about solar continuum and line spectrum radiation ; extrapolating physical methods of reconstructing the temperature and the emission measure of coronal plasma ; argumenting the effective observing spectrum for space weather empirical forecast and space weather numerical forecast
物理設計的主要研究內容包括：分析目前國內國際空間天氣預報的發展現狀及開展空間天氣預報的必要性和重要性；分類討論了災害性空間天氣的種類、影響及目前國際上的預報方法：分析了空間天氣太陽擾動源及擾動源爆發的先兆現象或者伴生現象；討論了太陽短波輻射線譜和連續譜輻射強度的計算方法：推導了利用望遠鏡多波段的觀測結果反演日冕等離子體溫度、發射量等參數的物理方法：論證了開展空間天氣經驗預報和發展數值預報有效的成像譜段。Variations in the appearance of the giant plume from the tvashtar volcano on jupiter ' s moon io are seen in this composite of the best photos taken by the new horizons long range reconnaissance imager ( lorri ) during its jupiter flyby in late february - early march 2007
許多怪異的羽狀物從木衛一上噴出，這些復合影象由新地平線遠程偵察照相（ lorri ）在木星在飛行期間， 2月底至3月初拍攝的It was also investigated and analysed on the styles of cross section in road green space, the rate of green space, the kind of green space, the quantity of plant spaces in green space, the format of planting. on the base of these, the planning designs of road green space in the blocks of heze city were also studied in combination with the practical situation which the city of heze were building to be a plain - plantation city with the flowers and water. the main results were as follows : 1. there were some problems about road green space in blocks of heze city, which were detected and researched. ( 1 ) the rate of road green space was low and the styles of cross sectionin road green space were simple
本研究以菏澤城區道路綠地及街頭綠地為研究對象，對其綠地斷面形式、綠地率、綠地類型、綠地植物種類、數量、種植形式等現狀進行了全面的調查和分析，在此基礎上，結合菏澤近年創建以「花城水邑」為依託的平原森林城市建設的實際，對菏澤城區道路綠地規劃設計進行了研究，主要結果如下: 1 .菏澤城區道路綠地存在以下問題: （ 1 ）道路綠地率低，綠地斷面布置形式單一，中心島面積偏小; （ 2 ）植物種類少，景觀效果差; （ 3 ）植物配置形式單一，地方特徵不突出; （ 4 ）某些植物選擇不當，如遮陰功能差，影響交通安全等; （ 5 ）行道樹與架空線存在矛盾，影響樹木生長，景觀效果差; 2 .根據荷澤實際情況進行了城區道路綠地規劃設計研究: （ 1 ）提出了菏澤城區道路綠地規劃設計的依據、原則、總體布局、布局形式。In this paper i calculate the reasonable possession quantity of port handling machineries with chance - constrained linear programming. first in the paper is the background and meaning of this research ; then analysis present situation of port machinery management both in practice and theory ; in chapter 3, i qualitatively discusses characters influencing machinery quantity, which include lifting ton, intact rate and using rate, age of machinery, machinery purchase and working cost and so on. in chapter 4, i take the influencing characters to mathematic model of chance - constrained linear programming, aiming to maintain the need of production and reduce machinery cost
文章首先介紹了選題的背景、意義以及主要工作；第2章介紹了港口機械管理在港口企業管理中的地位與作用，以及我國港口機械設備管理與配置現狀，並簡要介紹目前港機合理擁有量的理論研究方法；第3章從技術與經濟角度定性分析了各種因素對港機擁有量的影響，其中主要包括機械起運量、完好率與利用率、機械設備役齡、購置與營運成本等；第4章將各種影響因素引入模犁，提出以完成生產任務、機械成本最低為目標，應用隨機線性規劃模型計算港口流動機械合理擁有量的方法；第5章以大連港大港區為例對模型進行應用，選擇四種型號叉車為研究對象，對其歷史經濟與技術數據進行統計分析，其中重點對隨機變量單位臺時維修費用進行了正態分佈擬合。In lifting - surface theory, the non - liner phenomena of the trailing vortex in the transition wake area and of the tip vortex separation are considered. in surface panel method hyperboloidal quadrilateral panels are employed and the morino ' s analytical formulation is used to determine the influence coefficients. the more reasonable pressure kutta condition is satisfied at the trailing edge of propeller blade
在計算中，對于升力面理論，本論文考慮了過渡區尾渦收縮和葉梢分離的非線型現象的影響；對于面元法，本論文採用的是計算較為簡便的基於擾動速度勢的基本公式及雙曲面形狀的面元，在槳葉隨邊滿足更趨合理的壓力kutta條件，並用morino導出的解析公式計算面元的影響系數的快速有效的數值預報方法。In the equity value view this paper discovers that the shareholders really bear some financial distress costs. using multielement linear regression to analyze influencing factors of the financial distress costs, the paper discovers the corporate government, corporate characteristic and external environment are obviously relative to the financial distress costs. embarking from the above research conclusions this paper gives some advice that establishing the prediction system of financial distress, and perfecting the mechanism of corporate government and the corresponding law system policy, in order to provide the policy - making reference for distressed companies to get rid of the financial distress or reduce the financial distress costs, promote the sound development of the listed company, and realize the rational distribution of social resources
本文以上市公司為研究對象，將公司因財務狀況異常而被特別處理（ st ）作為企業陷入財務困境的標志，採用經營業績觀對企業承擔的財務困境成本進行考察，發現財務困境不僅給上市公司帶來成本，而且也具有福利效應;採用權益價值觀對權益投資者承擔的財務困境進行分析，發現權益投資者承擔了部分財務困境成本;採用多元線性回歸法對財務困境成本的影響因素進行分析，發現公司治理、公司特質、外部環境參數與財務困境成本有密切關系;從上述研究結論出發提出了建立財務困境預測體系、完善公司治理機制、完善相關法律制度的政策建議，以期能為企業擺脫財務困境、降低財務困境成本提供決策參考，促進我國上市公司的健康發展，實現社會資源的優化配置。And they are easy to fall into crisis of “ city decays as coal resource drains ”. therefore this paper has done the research on the industry structure adjusting in the transformation from the resource - based cities to eco - cities by multi - disciplinary theories and research methodologies such as comparison qualitative and quantitative analyses. this paper reviews and summarizes the theories of resource - based cities ’ transformation, eco - cities and industry structure adjusting, defines the concept of resource - based cities ; selects 23 prefecture - level cities as research objects and analyses their industry structure condition from the gdp structure and employment structure ; puts forward that transform to the eco - cities is the only way now ; analyses reasons which influence the industry structure adjusting, and builds the grey dynamic linear programming model ; does the programming for maanshan ’ s coming 5 years target of industry structure, and puts forward some suggestions from angles of theory and practice
在對資源型城市轉型、生態城市和產業結構調整的國內外研究現狀進行綜述的基礎上界定本文的研究對象並介紹生態城市和產業結構調整的相關理論;選取23個地級以上中等資源型城市作為研究對象，從國內生產總值結構和就業結構兩個角度對資源型城市的產業結構現狀進行深入的剖析，並提出向生態城市轉型是資源型城市發展的必由之路;分析影響產業結構調整的各種動因，指出資源型城市向生態城市轉型中產業結構調整需遵循的原則並構建用於資源型城市產業結構調整的灰色動態線性規劃模型;以馬鞍山市為例，對其產業結構調整做出實證研究，分析其產業結構現狀並對其產業結構調整目標進行規劃，從思維、理論和實踐三個角度對其向生態城市轉型期間的產業結構調整給出相應的建議和對策。The model of the reconstruction image in the condition of nonlinear exposure was constructed. the reconstruction images of the different shape particles were stimulated in the nonlinear exposure. the edge enhancement appears, especially, in the utmost condition i. e. the binarization of receding light intensity
研究了非線性曝光對不同形狀粒子的再現像影響，通過數值模擬計算發現在非線性段曝光的粒子的再現像出現了不同程度的邊緣剪切，特別是改變非線性曝光的極限條件即二值化，邊緣剪切現象更加明顯。After histogram transform, enhancement, smoothing, pre - segmentation, edge extraction and thinning, we get an image with clear edges. after extracting of feature units, we describe the shape of airports with straight - line segments and distinguish different objects with the length of the lines, which can achieve the computer - aided auto - recognition of airports
經過直方圖變換、圖象增強、圖象平滑、圖象預分割、邊緣提取和細化后，得到了清晰的邊緣信息圖象，通過特徵基元的提取和識別，用直線段來描述直線狀目標，而用直線段的長度來作為目標定量特徵的描述，可以實現遙感影像機場目標的計算機識別。The fabrication of specimens, the program and phenomenon of the experiment are described in detail, and the phenomenon of the experiment is interpreted also. experimental hysteretic curves are compared with calculation results utilizing integral method, and agree well. the effects of these parameters on hysteretic behaviors, monotonic curves, elastic rigidity and ductility are analyzed according to p - a monotonic curve from the experiment
文中具體地介紹了試件的製作，試驗過程以及試驗現象；詳細分析了試驗現象；將試驗所得的p -滯回曲線與數值計算結果進行比較，吻合良好；通過包絡線分析各參數對構件滯回性能、單調曲線形狀、彈性剛度、延性等的影響。The complex situation of flight requests that the graphics display of cockpit must be dynamic, real - time and legible. but in the raster graphic display system, scale lines and character will be distorted seriously owe to the limited screen resolution in the case of deflection, which affect the display quality. the thesis based on the research of the last graduate student improves the graphics creating arithmetic more and puts forward more effective arithmetic on scale lines and character for high display quality
由於飛行狀態復雜，要求座艙內畫面顯示動態、實時、清晰。而硬體系統採用的是光柵圖形顯示，字元和刻度線的旋轉受屏幕解析度的限制存在著鋸齒走樣現象，影響顯示效果。本文在上一屆研究生研究的基礎上，在圖形生成演算法上加以進一步改進，重點在刻度線、字元的反走樣處理上，研究出了更合理的演算法，提高了圖形顯示質量。With the input of a vibration acceleration history of subway train, a full dynamic analysis of soil - pile - structure is carried out. the propagation of vibration wave on the ground and vibration responses of the huge platform and the storied buildings are analyzed. some conclusions are drawn as follows : ( 1 ) with the increase of the distance to the vibration source, vibration intensity of the ground decreases ; ( 2 ) the vibration intensity of the ground in vertical direction is slightly larger than that in horizontal direction ; ( 3 ) with the increase of the distance to the vibration source, the situation that the vibration intensity of each building in horizontal direction is maximum at highest and lowest story whereas minimum at the middle story changes gradually to that decreasing with the height of building ; ( 4 ) in vertical direction, the vibration velocities and accelerations at the end points of each story of a building are the nominal identical, which indicates that the vertical vibration of them is unanimous ; ( 5 ) the vibration intensity in vertical direction of a building is larger than that in horizontal direction ; ( 6 ) increasing of the elasticity of track is an effective way to abate vibration of ground and buildings
本文以北京地鐵八王墳車輛段地上超大結構（車輛段大平臺及其上的小區樓房）及其地基基礎為研究對象，在研究和分析有關資料的基礎上，用快速拉格朗日有限差分法軟體flac建立了二維數值分析模型，並以列車振動加速度時程作為模型輸入，進行了地基?樁基礎?地上結構的整體動力學分析，分析了地鐵列車運行產生的振動在地面的傳播規律及其對地上結構的影響，得到了如下結論： （ 1 ）隨著與地鐵線路距離的增大，地面的振動強度有減小的趨勢； （ 2 ）地面豎直方向的振動強度較之水平方向的略大； （ 3 ）隨著與振源距離的增大，在水平方向上，地上各幢樓房的振動強度由底層和頂層的最大、中間層的最小逐漸過渡到沿樓層增高而減小； （ 4 ）在豎直方向上，每幢樓各層端點的振動速度、加速度完全相同，表明樓房各層在豎直方向上的運動狀態一致； （ 5 ）各幢樓房豎直方向的振動強度比水平方向的大； （ 6 ）增加軌道彈性是減輕地面和地上建築振動的有效途徑。Pure materials exert a grip on the subconscious as they exist between consciousness and the absence of. through the artists conception, colour and texture of light and the characteristics of photography, these materials adopt a unique existence and state, representing the inner mind of the artist
純粹的物料在意識和無意識之間，並發出一種潛意識的執著：物料通過作者的內在思維，利用光線的顏色和質感，通過攝影的特性，形成一種獨特的存在狀態，象徵著作者的內在思維。It is based on a set of practical data in some area. the nonlinear least - square method is used to work out the parameters of the mobile communication channels " model, and then the error sequence comes into being. the noise ' s model of automobile that can reflect the random characteristics of the noise is also founded
本論文採用簡單分群的markov二狀態模型建立移動通道概率統計模型，從某一移動通道實測曲線出發，利用非線性最小二乘法得出狀態模型參數，從而獲得移動通道的差錯序列；本文對汽車噪聲的產生以及它對信號的影響進行了詳細的分析，提出了汽車噪聲模型；並且採用尖脈沖模擬汽車點火噪聲脈沖，實現了噪聲對信號的隨機干擾，形象地反映了移動通道中信號的疊加過程。At the same time, based on the character - selecting principles of recognition and the fact that many important objects in remote sensing images behave linear and the practical need of recognition of these objects, we point out that the edge information represents the image content and raise the method of character extraction and recognition through linear shape
同時根據目標識別的特徵選擇原則，從遙感影像許多重要目標表現為線性形狀的特點及這些目標識別的實際需求出發，提出了以目標邊緣信息作為反映圖象內容的一個特徵，研究了基於線狀目標的特徵提取和識別的方法。分享友人