vector area 中文意思是什麼

vector area 解釋
矢面積
  • vector : n 1 【數學】向量,矢量,動徑。2 【航空】飛機航線;航向指示。3 【天文學】幅,矢徑。4 【生物學】帶...
  • area : n. 1. 面積;平地;地面。2. 空地;〈英國〉地下室前的空地。3. 地區,地方;〈比喻〉區域;范圍。
  1. Area electronic buoys system is a large - scale underwater sound equipment of tracking and locating moving objects such as submarines, torpedoes and ships. with advanced vector sensors as detective devices, it has excellent antinoise performance, and its signal noise ratio is high

    區域電子浮標系統是一套大型的水聲跟蹤定位設備,其主要任務是準確跟蹤和定位海上多個運動目標(如潛艇、魚雷、船隻等)的運動軌跡。
  2. The modified zndx in comparison with others is well indicative of the severity and extent of flood / drought event and of more objective classification of them, which is therefore quite applicable to a extended area. ( 3 ) the main anomaly structures of grades of drought / food in summer over northwest china present pluvial pattern and dry pattern in all the areas, and spatial changes are opposite pattern from the noth to the south and the west to the east. the first four rotated loading vector fields represent four principal precipitation anomaly areas : the weishui river basin, east of the qinghai - xizang plateau

    但修訂過的zndx指數根據氣溫、土壤濕度及前期氣候濕潤度等因子能夠客觀的反映出西北地區的旱澇特徵。 ( 3 )西北地區季與年區域旱澇等級表明:西北地區的乾旱雨澇有顯著的階段性和年際變化特徵。 1980 』 s到1990 』 s中期,氣候較濕潤,土壤濕度增墑較明顯; 1990 』 s中期以後是40年乾旱最異常的時段; 1960 』 s旱澇交替發生,旱澇趨勢接近常年; 1970 』 s氣候雖乾旱,但沒有1990 』 s中後期顯著。
  3. Thrust vector control is one of objects being seeked by engineers in rocket propulsion area

    流場控制以及基於此的發動機推力方向控制長期以來都是國內外火箭推進領域廣大工程技術人員追尋的目標之一。
  4. The paper is mainly based on geography, ecology, sight ecology, region location theory and system theory. by interpreting the mss remote sensing image of 1970s and the tm remote sensing image of 1980s and the end of 1990s in keerqin sandlot based on background database and expert information, we have achieved the three periods vector data of land desertification of the research area, then we have disposed the data property by using the powerful spatial analysis function of arc / info and achieved the information extraction and analysis supported by arcview and erdas imagine. thus the rule of temporal and spatial variation of land desertification in keerqin sandlot is researched and the blueprint and countermeasures of the prevention and treatment of land desertification in keerqin sandlot are put forward

    本研究主要以地理學、生態學、景觀生態學、區位論和系統論為主要理論支持,通過對科爾沁地區20世紀70年代的mss遙感影像、 20世紀80年代和90年代末tm遙感影像進行基於背景數據庫和專家知識的解譯,獲得科爾沁研究區土地沙漠化的三期矢量數據,利用arc / info軟體強大的空間分析功能對屬性進行處理,並在arcview 、 erdasimagine軟體的支持下進行信息提取與分析,研究了科爾沁沙地土地沙漠化時空變化的規律,提出了科爾沁沙地土地沙漠化防治的構想與對策。
  5. Based on the data of vector topographic map, the geomorphologic evolution stage of csmasp is studied with the aid of maplnfo and arc view. it is indicated that the research area is in the middle age and old age according to the davisan stage determine of geomorphologic evolution. the uplift and denuded amount in the period of neo - tectonics and the elevation of denudation surface of lincheng period ( mainly in quaternary ) are also discussed

    根據高程分析結果,認為魯中南山地主要處于流域地貌發育的壯年、晚年期,並對魯中南山地第四紀構造抬升量與侵蝕速率、各流域臨城期山麓剝夷面的分佈高度等相關問題進行了理論探討,從理論上證明了魯中期剝夷面難以存在。
  6. Results the number of myocardial and brain and opioid receptors significantly increased, and they were significantly associated with the decreased hemodynamic parameters such as mean arterial pressure ( map ), left intraventricular systolic pressure ( lvsp ), the maximal rate of the change of intraventricular pressure ( dp / dtmax ) and the area of p - dp / dt vector loop ( lo )

    結果創傷失血性休克后,大鼠心臟和腦和阿片受體數目明顯升高,親和力無明顯變化,心臟和腦的和阿片受體數目升高與創傷失血性休克后大鼠血流動力學指標下降呈顯著負相關。
  7. The formulas of lateral area, surface area, and volume of pyramid can be given by vector method

    立體幾何中棱錐的側面積、全面積、體積公式都可用向量方法給出。
  8. The main conclusions are following : ( 1 ) compared with the conventional mlc, the method of iterative prior probability based on the vector map can dispel the prior probability ’ s influence and the overall accuracy and kappa index can be improved ; ( 2 ) to the types with greater area than average area of all types, the producer ’ s accuracy will be improved while user ’ s accuracy be lessened, but to the ones with smaller area, the situation is just the opposite

    本研究的主要結論是: ( 1 )與傳統的最大似然法分類相比,利用地理數據矢量化得到的先驗概率進行迭代,可進一步消除先驗概率對最大似然分類法分類結果的影響,使分類總精度和kappa指數有進一步提高; ( 2 )分佈面積大於平均值的類別,生產者精度一般會變高,使用者精度會變低;分佈面積小於平均值的類別,生產者精度一般會變低,使用者精度會變高。
  9. Noting that there is concern about whether mangroves found at the seashore in the area was a breeding ground of the je vector, mr yuen said salted water is not the natural habitat for culex tritaeniorhynchus

    至於有人士關注該區海旁的紅樹林是否日本腦炎病媒的滋生地點,袁銘志表示鹹水並不是三帶喙庫蚊的滋生地。
  10. Expoles an algorithm about bearing surface defects detection by support vector machines that is the new branch of machine learning, in which the defective area and non - defective area are treated as two different textures and are sampled respectively to be learned, in order to reduce dimension, the image data can be processed by pca

    摘要提出一種基於支持向量機的軸承表面缺陷檢測演算法,該演算法把軸承中的非缺陷區域和缺陷區域分別看作兩種不同的紋理模式,利用主成分分析法( pca )對圖像進行降維處理,然後用支持向量機方法對兩類不同的樣本采樣學習,進行分類判斷。
  11. Calculation of transition probability matrix and fixed vector of the well profiles in the area shows, from a quantitative point of view, the vertical evolution law of the sedimentary series and the transversal environmental difference

    通過多步轉移概率矩陣和固定向量計算,從定量的角度說明了研究區內部分鉆井剖面陸表海沉積在垂向上演化的規律性及反映在橫向上的古環境差異性。
  12. T1 : in the main display area mainly display intelligence, vector map, scale line etc. while in the auxiliary display area are displayed the system status information, man - machine communication information etc

    主顯示區域主要顯示情報、矢量地圖、刻度線等。輔助顯示區域則用於顯示系統狀態信息、人機交互信息等。
  13. Such integra ting feature vector is used for building k dim e nsion gaussian m odel, whose param e ters are estim ated by an expectation - m a xi m i zation ( em ) algorithm, and then the resulting block - cluster m e mberships provide a segm entation of th e im age. after segm ented, a m e thod of param e ter - trimm e d average for describing re gion is proposed, of which the param e ter is decided by area and position of region dire ctly. the sim ilarity m easure between two im ages is defined by integrating properties of all regions in the im age

    文中先將圖像分成4 4小塊,各塊的顏色、紋理、位置特徵構成8維的特徵空間;在該空間中對得到的8維特徵矢量建立一個k維高斯模型,應用期望最大em演算法估計模型參數,產生的塊特徵-聚類隸屬度函數實現對圖像的分割;為減小分割演算法不確定性對檢索效果的不良影響,對得到的區域採用參數均衡平均特徵表示,其中參數的確定直接與區域的面積、位置有關。
  14. Now there are two basic target recognition strategies, such as processing from bottom to top, which is called data - driving method, and processing from top to bottom, which is called knowledge - driving method. the former begins with low layer processing for example, general segmentation, label and feature extraction, then judges whether the feature vector extracted from the labeled area is in accordance with the feature vector of the object model. the latter firstly brings forward a hypothesis on probably existed feature, secondly proceeds with purposeful segmentation, label and feature extraction, lastly judges whether the feature vector extracted from the labeled area is in accordance with the feature vector of the object model

    目標識別在工農業生產、國防建設中具有極其重要的地位,目前目標識別的演算法常用的有兩種,一種是由下而上的數據驅動型策略,即不管目標屬於何種類型,一律先對原圖像進行一股性的分割、標記和特徵抽取等低層次處理,然後將每個帶標記的已分割區域的特徵矢量與目標模型相匹配;另一種是由上而下的知識驅動型策略,即先對圖像中可能存在的特徵提出假設,根據假設進行有目的地分割、標記和特徵抽取,在此基礎上與目標模型進行精確匹配。
  15. A novel algorithm is presented to derive a compact multi - level mixed polarity reed - muller form mmprmf starting from a given fixed polarity truth vector. the results show that a significant area improvement can be made compared with published results

    其原理是一個n變量的fprm邏輯函數有2 n個極性,不同的極性對應不同的邏輯表示,通過極性收縮找出最佳極性對應的最簡函數而實現邏輯優化。
  16. The positive load take absolutely advantage in the first spatial pattern of year and seasons. especially that the precipitation field load of winter is all positive. not in the southwest of china because of southwest monsoon etc. system ; the characteristics of the second spatial pattern are that most of the area is taken up by positive load in year and four seasons, the west of talimu basin is the center of negative load of the year, spring and autumn vector fields ; east of zhungeer basin is the center of positive load of the third spatial pattern of year, spring, summer and winter, the center of negative load is often in east of chaidamu basin, but the distribution center of autumn is in east of zhungeer basin ; the distribution of the fourth spatial pattern is difficult to describe and forms several centers of positive and negative load ; several centers of positive and negative load also appear, the distribution of load fields of the fifth spatial pattern of year, spring and winter represents the situation of " +, -, + " from southeast to northwest ; the complexity of the sixth spatial pattern is more stonger than that of the fourth and the fifth spatial pattern, several centers of load fields of year and each season often appears inverse situation of the positive and the negative load. but the centers are still most in zhungeer basin, chaidamu basin and talimu basin

    第一空間型中,年和四季都是正荷載占據絕對優勢,特別是冬季降水場皆為正值,只是西南地區由於受西南季風等系統的影響,表現為與其它地區的不同;第二空間型的特點如下:年和四季分佈皆為正荷載占據大部分區域,負荷載中心年、春季和秋季分佈中都是位於塔里木盆地西部地區;第三空間型正荷載高值中心除秋季外都是處在準格爾盆地以東地區,負荷載中心多在柴達木盆地以東地區,秋季卻處于準格爾盆地以東地區;第四空間型分佈就較復雜無章法可言,形成多處正負荷載中心;第五空間型特徵是這樣的,同樣是多個荷載中心出現,年、春季和冬季中的荷載場分佈從東南到西北大體呈現「 + 、 - 、 + 」的特點;第六空間型分佈的復雜程度較之第四、第五空間型更大,年和各季分佈比較中多個荷載中心常出現正負相反的情況,但中心仍以柴達木盆地、準格爾盆地和塔里木盆地為主。
  17. On the basis of raster digital elevation model ( dem ) data over the laohahe river catchment in the upper and west area of the liaohe basin within inner mongolia autonomous region, the digital elevation drainage network model ( dednm ) is applied for assigning flow - vector directions over flat and depressional areas of the dem, for identifying stream network and watershed divides, and for establishing spatial topological structure of subcatchments and stream network

    基於遼河水系老哈河流域柵格數字高程模型( dem )數據,採用數字流域水系模型( dednm ) 、河流工具rivertools 、地理信息系統arcview軟體,根據地形提取水系信息,構建數字流域水系、子流域與河網的空間拓撲關系。
  18. Hence, the problems concerning the expression of position vector in the global coordinate system and the local coordinate system, and the numerical area integration by the natural coordinates were solved thoroughly

    這樣,完善地解決了單元中任意點在整體坐標與局部坐標的表示問題和基於局部自然坐標的面積分和體積分的數值積分的依據問題。
  19. As to doubly fed adjustment system, it will own excellent dynamic and static behavior if vector control is used. but if the system includes speed and position sensor, it will cause the increment of cost, descend of reliability, complication of structure and limitation of application area

    雙饋調速系統,如果採用矢量控制,將具有良好的動、靜態性能,但若系統中設有位置傳感器和速度傳感器,則會使系統的成本增加、可靠性降低、結構復雜、從而使應用場合受到很大的限制。
  20. In this paper, the p - vector method which is based on - spiral method and thermal wind relation is used and a good result is obtained, which indicates the p - vector method can be used in the large - scale ocean area and invert the current system well

    這表明了基於螺旋方法和熱成風關系建立起來的p矢量方法是可行的;該方法在大洋海區有較好的適用性,並能得到較好的診斷結果。
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