觀測區 的英文怎麼說

中文拼音 [guān]
觀測區 英文
area of coverage
  • : 觀名詞1. (道教的廟宇) taoist temple2. (姓氏) a surname
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : 區名詞(姓氏) a surname
  • 觀測 : observe; observation; viewing
  1. 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的基本波段選擇集;初步了解和掌握了研究地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;建立了荒漠化監主要評價因子的定量反演模型,並分析了模型的適用性。
  2. Based on xi ' an region meteorologic measurement relative humidity and temperature profile data in cloud cover, the log - amplitude scintillation deviation a, calculated in terms of the cn2 model compare with values predicted by means of ortgies model at 10 ~ 30ghz. it is shown that the c, 2 model can be applied at the continental climate area as xi ' an area. finally, on earth - space paths, by applying a modif

    根據西安地氣象有雲覆蓋時溫度和濕度隨高度變化的數據,在10 30ghz ,應用該c _ n ~ 2模型計算了幅度閃爍標準偏差,也與ortgies模型預值做了比較;表明該c _ n ~ 2模型是可用於象西安這樣的大陸型氣候地
  3. This paper elementarily collects the anomalies of coseismic and post - seismic effect such as seismic activity, crustal deformation and underground liquid and so on observed in china ' s mainland, which include the evident seismic activity ( especially in yunnan ) increase, obvious crustal deformation, such as the abnormal variation of crustal stress and strain in bore volumetric deformeter and the remarkable change of underground temperature, the chemical component, especially the underground water level

    初步匯集了在中國陸到的地震活動、地殼形變、地下流體等多學科震時和震後效應的異常變化,包括地震活動性(特別是雲南地)的顯著增強;地殼形變,尤其是鉆孔應變記錄到地殼應力應變的震時和震后顯著變化,以及地下水溫度、化學成分、特別是水位的突出變化。
  4. Furthermore, the dq value ranges of profile multifarctal spectra in different landform types and in different directions of the same sections perform different properties and anisotrpies. it can be concluded that the landscape fractal properties depends closely on the int ensity, manner and inhomogenity of exogenic and inogenic processess, and with the properties, we can study quantatively the dynamic geomorphic process. by using the same methods just above, local fractal dimensions d, crossover length tc and the multifractal spectra dq - q of two large - scale landform profiles ( across and along tianshan mountain ranges respectively ) are calculated. the results show that in the studied scaling range the two profiles perform different scaling properties, and both of them can be divided to three evident different linear scaling subsections

    不同類型地貌二維地貌表面也表現出多度域分形特徵,而且隨著尺度的增加,每個間的分維值均表現為依次減小,表明外營力作用的影響逐漸被內營力作用所取代:不同類型地貌在相應間的分維值表現為高山中低山盆地,體現了不同類型地貌表面粗糙性或復雜性的差異,因此分維值大小可作為地貌表面外營力侵蝕作用強度的重要指標:利用標度的間斷點和各種地貌類型表面分維值或宏效應趨於一致,提出5 - 6km左右可作為地貌的宏臨界點,並且與利用地貌剖線研究所得到的5km這一數值是基本吻合的。
  5. Firstly, by numerical and theoretical analysis, the author compares some existent confidence intervals, for example, " exact " confidence interval, wald confidence interval and bayesian confidence interval, and finds some deficiencies points of the confidence intervals, whose modification version has been proposed. also, several better confidence intervals such as are also presented. secondly, for given confidence coefficient and interval width, the author constructs a class of asymptotical two - stage interval estimate procedures. at the same time, under varies restriction of confidence coefflcientent interval width, the optional sample size of the first stage has been computed by numerical computation. the numerical computation shows that the method considered in this dissertation have good properties and applied value

    同時,由於poisson分佈的特性,我們知道不存在其參數間長度小於0 . 5的置信間,基於這些情況,我們主要展開了以下兩個方面的研究:一是利用數值計算分析與理論分析的方法對現有的若干置信間如「精確」置信間, wald置信間, bayes置信間等進行分析比較,發現了一些缺陷,針對這些缺陷,我們進行適當的修正,並得到幾種性質較好的置信間如:修正大樣本間jeffreys原則下置信間二是針對已給定的置信系數與間長度,我們提出了一種漸近的兩階段間估計程序,並利用數值計算的方法,在各種置信系數與間長度限定下,算出了最優的第一階段次數(抽樣量) ,大量數據表明,本文考慮的方法性態良好,具有應用價值。
  6. Abstract : according to the observation of the number concentration spectrum and the mass concentration of atmospheric aerosol, tsp and its particle size distribution, micrometeorology, and the solar spectroscopic radiation, even the neutron activation treatment of sand dust samples in helan mountainous area, the formation law of sandstrom, dust and sand blowing weather and the characteristics of climatic variation in this area and the influence of helan mountain are counted and analysed

    文摘:利用賀蘭山地沙塵暴歷史資料和綜合資料,對大氣背景、浮塵、揚沙和沙塵暴發生期間的大氣氣溶膠數濃度譜、質量譜、大氣總懸浮顆粒( tsp )及粒徑分佈、微氣象、分光日射以及沙塵樣品進行中子活化處理,分析了該地浮塵、揚沙和沙塵暴形成規律,氣候變化特徵和賀蘭山的影響。
  7. According to the observation of the number concentration spectrum and the mass concentration of atmospheric aerosol, tsp and its particle size distribution, micrometeorology, and the solar spectroscopic radiation, even the neutron activation treatment of sand dust samples in helan mountainous area, the formation law of sandstrom, dust and sand blowing weather and the characteristics of climatic variation in this area and the influence of helan mountain are counted and analysed

    利用賀蘭山地沙塵暴歷史資料和綜合資料,對大氣背景、浮塵、揚沙和沙塵暴發生期間的大氣氣溶膠數濃度譜、質量譜、大氣總懸浮顆粒( tsp )及粒徑分佈、微氣象、分光日射以及沙塵樣品進行中子活化處理,分析了該地浮塵、揚沙和沙塵暴形成規律,氣候變化特徵和賀蘭山的影響。
  8. To do the investigating and studying work about the achievements of tackling key problem of the quondam exploration of front - zone of mountain, to analyze and study the applicability about the gathering technology used in the seismic exploration of the complicated construction belt of front - zone of mountainous ; 2. combining the quondam achievements, researching the design method of observation system objective of the complicated construction belt based on seismic - geology model, firstly, building the surface level and deep layer seismic - geology model of complicated construction belt and analyzing the forward model, secondly, designing the observation system aiming at the overthrust nappe structure in section and in area ; 3. aiming at the complicated earth ' s surface condition of front - zone of mountain, how to select the exciting method and the parameter, how to optimize the environment of exciting method and reception, how to pledge the normal combination of the datum of different exciting method ; 4

    根據山前帶的地震地質條件特點,本文主要研究了以下幾個方面的內容: 1 、對以往山前帶地震攻關成果開展調研工作,分析研究在山地山前復雜構造帶所採用的地震勘探採集技術的適用性; 2 、研究基於地震地質模型的復雜構造帶系統目標設計方法:如何建立復雜構造帶的表層、深層地震地質模型,利用正演分析目標系統;針對逆掩推覆體構造,如何分分段有針對性設計系統等; 3 、針對復雜地表條件的山地山前帶,如何選擇激發方式、參數,如何優選激發、接收環境,如何保證不同激發方式的資料能正常拼接; 4 、山前帶巨厚礫石的表層結構調查技術及靜校正方法研究。
  9. We can use the mm5 model in definite time, definite area weather forecasting. we conclude that : : the moving route of this necw in its developing progress was direct - south along latitude, the cold air is rough, and just this made the rough vertical velocity ; the necw southern moving and conflicting with the west pacification sub - tropical high makes rough jet steam. the plenty south - west warm and wet air made by the jet stream gave the rainstorm demanded vapor ;. the rough vertical velocity by jet stream is a main reason in this rainstorm ; the mm5 model uses four - direction analysis data as its input, this avoids some errors occurred in observe and transfer, thus made the result more useful

    綜合分析認為: ( 1 ) 、這次冷渦在其發生發展過程中,其移動路徑是沿經圈直線南壓,攜帶的冷空氣勢力較強,形成槽后較強的垂直運動; ( 2 ) 、西太平洋副熱帶高壓偏北位置與東北冷渦南壓形成的急流軸,把源源不斷的西南暖濕氣流輸送到遼西地,也就是急流軸的左前方位置,為這次暴雨的產生提供了充足的水汽來源; ( 3 ) 、低空急流不但為暴雨輸送水汽,其造成的較強的垂直環流也是產生強降水的一個主要原因; ( 4 ) 、 mm5模式以四維同化資料作為初始場,最大限度地避免了誤差可能造成的積分不穩定,提高了模擬結果的參考價值。
  10. Methods the arteries of the heads of pancreas of 15 adult corpses were perfused with tincture and fixed with formaldehyde for the investigation into the direction and the distribution of the vessels in the 15 cases ' pancreas - duodenal molten specimen

    方法對15例染色劑灌注甲醛固定的成人屍體胰頭的動脈血管進行解剖研究,15例胰十二指腸鑄型標本的血管走行、分佈。
  11. Although the radiant will be in constellation perseids, do not look directly there. a distance between 40 to 60 degrees away is optimal. therefore, an observation site with unobstructed view, especially the northeast, is essential

    雖然流星雨輻射點在英仙座,但流星出現時不一定是輻射點附近天,而是距離輻射點40至60度的地方,所以請選擇天空視野開闊的地點進行,最重要是東北方無遮擋。
  12. This observation is consistent with comments and observations of earlier investigators who indicated zoning features such as quartz masses, petalite zons and mica selvages

    報告由早期者指出的域特徵的注釋和結論組成的,域特徵包括例如:石英、透鋰長石、和雲母邊緣礦。
  13. First, in order to verify the correct of this retrieval month, by using the data of three - dimensional wind field, raininess field and temperature field that are output by mm5 numerical simulation, we climate the radial velocity field and echo intention field in the in - phase observation area of dual - doppler radar, then, on the base of the upwards retrieval theory and using the radial velocity field and echo intention field in the in - phase observation area of dual - doppler radar, we retrieve the atmospheric three - dimensional wind field

    首先,為檢驗此種反演方法的可靠性,我們使用mm5數值模式輸出的三維風場、雨強場、溫度場等數據,分別模擬生成兩部雷達同步觀測區的徑向速度場和回波強度場,然後根據以上的反演理論利用模擬的雙多普勒天氣雷達到的徑向速度場和回波強度場反演出大氣三維風場。
  14. In astronomical coordinates ( reference mark is north latitude 43. 9 ), analyzed is the effect of azimuth angular velocity, acceleration and altitude angular velocity, acceleration etc. some formulae were given to compute all correlative quantities. with regard to the course of data processing beforehand, the thesis focuses on outliers eliminating technology because of outlier increasing acutely of high - elevation tracking ( approaches 10 - 20 % )

    坐標系中推導出確定天頂盲理論范圍公式和滿足過天項跟蹤條件的關系式;在天文坐標系中以長春衛星站(北緯43 . 9 )作為計算基準,分別討論了方位、俯仰方向的角速度、角加速度等對天頂盲的影響,在理論分析上為解決過天頂跟蹤問題打下了基礎。
  15. The research test of this discussion as follows : making investigation and research to overseas related materials ; make investigation to built highways in desert areas, dozens of routes and nearly 100 road sections have been surveyed, among them two highways have been taken as the chief investigation objects, they are " 210 national highways - first grade highways from bao tou to dong sheng " and " the section of nei meng a la shan meng s307 from shang de to meng gen " ; the relationship between windblown sand drift and the roadred height wind tunnel test ; make investigation to the tested road sections and subengineerings then make statistics and study according to the test outcome ; the stability analysis of different roadbed height ; the analysis of roadbed economy

    本課題的研究工作包括:對國外相關資料的調研分析;對已建沙漠地公路進行調查、了十余條線路,近百段路段,以『 210國道包頭至東勝一級公路』 、 『內蒙阿拉善盟s307尚德至孟根段』為主要調查對象;風沙流路基高度的關系、風洞試驗;對調查路段及依託工程調查、結果統計研究;不同高度下路基穩定性分析;路基經濟性分析;按照沙丘類型及公路等級提出路基合理高度推薦值。
  16. Here the hsc of sompa is achieved through adding super - effective water reducer, fined slag and silicon fume, and decreasing the water / cement ratio. by varying the area ( spacing ) of tension bars, compressive bars, vertical links and distribution steel and embedding steel fiber and polypropylene fiber we try to improve the behaviors of reinforced high performance concrete one - way spanning slabs in bending, so that its ductility be greater than 5. with the same arrangement of steel the width of bending member is varied to observe the effect of the width / depth ratio on the ultimate compressive strain of concrete

    通過變化受拉筋含筋率和受壓筋、箍筋(鉤筋、分佈筋)含量,或摻加纖維使之成為鋼纖維高強混凝土( sfrhsc )和聚丙烯纖維高強混凝土( pfrhsc ) ,對高強混凝土雙筋截面梁、板的受彎性能進行了試驗研究,試圖改善高強混凝土受彎構件的延性,使其延性比大於5 ;並在相同配筋情況下,通過變化截面寬度,研究了高強混凝土受彎構件的寬高比對壓混凝土極限應變的影響;並對試驗構件的裂縫發展情況進行了
  17. 4. realize the render and display of subastral point tracks on the global satellite images. also include the display of satellite coverage ; realize the render of the three - dimension scene in which satellites orbiting the earth, including the render of satellite track and satellite model ; realize the render of scene based on the ground viewpoint, including the render of sky background, satellite ana satellite track

    4 、實現了在全球衛星影像地圖上衛星的星下點軌跡的繪制和顯示,以及覆蓋域的顯示;實現了衛星圍繞地球旋轉的三維場景顯示、衛星軌跡顯示以及衛星模型顯示;實現了以地面站為視點的場景顯示,地面以及天空背景顯示,衛星及衛星軌跡顯示。
  18. Based on analysis of fixed position climate observation and on - the - spot investigation in the east and west parts of subtropic mountainous areas in china, the laws of heat and water resources spacetime distribution were studied comparatively, the effects on agriculture layout were discussed

    通過定位氣候資料分析和實地考察,對中國亞熱帶東西部山水分資源和熱量資源的時空分佈規律進行了比較研究,並探討了水熱資源對農業生產空間布局的影響。
  19. The ncep / ncar global reanalysis data about 55 yean ; ( 1948 - 2002 ), the observed data about 2 years ( 1999 - 2000 ), the meiyu data in the mid - lower reaches of the yangtze river and the precipitation data at 160 stations in china duing 1951 to 2000 are used in the paper. we present a preliminary study on the relationship between the precipitation total for meiyu and the summerly precipitation in the eastern side of the northwest china. then using nonhydrostatic version mm5 with one nested grid, the effect of the circulation patterns for meiyu on the summerly precipitation in the eastern side of the northwest china was simulated by numerical simulation of full physics

    本文採用1948 2002年ncep再分析資料、 1999 2000年的全球地面、高空資料、 1951 2000年梅雨以及全國降水量資料,初步研究了長江中、下游地梅雨事件與西北地東部夏季降水的聯系,並用mm5中尺度非靜力模式模擬了多(少)梅雨環流型對西北東部夏季降水的影響;另外,還分析了梅雨與四川盆地、東南沿海地夏季降水的聯系。
  20. By observing the energy band of hard x - ray, people not only can expand a series of studies to celestial bodies or phenomena of nova and supernova ' s breaking out, nucleus ' s compose, but also many interactional process of thermal braking radiation, synchronal radiation

    硬x射能的天文一方面可以研究一系列的天體目標或超新星和新星的爆發、核合成等現象,另一方面也可以研究一系列的相互作用的過程:熱韌致輻射、同步輻射等。
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