緯度站 的英文怎麼說
中文拼音 [wěidùzhàn]
緯度站
英文
latitude station-
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 % )
在觀測坐標系中推導出確定天頂盲區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觀測站（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區的影響，在理論分析上為解決過天頂跟蹤問題打下了基礎。This paper studies the spatial distrihution of water vapor press in the mountain areas of chongqing, with the month average data of water vapor press of climatic reorganized data including 34 meteorological observing stations in chongqing and 4 around it from 1971 to 2000 and 7 meteorological sentries in it from 1997 to 1999, and 100mx 100m dem of chongqing. according to the theory of mountain climate and basing on gis, it analysises the influencing factors to water vapor press decreasing coefficients in chongqing, and studies the relations among water vapor press longitude latitude and sea level elevation, and founds the water vapor press spatial distribution model in chongqing, and calculates the spatial distribution of the month average and the year average water vapor press in chongqing, and completes the cartographies of the water vapor press spatial distribution of chongqing
本文利用重慶地區34個及其周圍4個常規氣象觀測站1971 2000年30年和7個氣象哨1997 1999年3年氣候整編的月平均水汽壓資料，以及重慶地區100m 100mdem數據，對重慶地區山地水汽壓空間分佈進行研究根據山地氣候學原理，利用gis技術，分析重慶地區水汽壓遞減系數的影響因子，研究水汽壓與經度緯度和海拔高度等因子的關系，建立重慶地區水汽壓空間分佈模型，計算重慶市月平均和年平均水汽壓空間分佈，並完成重慶市水汽壓空間分佈的制圖。Data used in this work are north pacific ssta, 160 stations precipitation of china, and ncep reanalysis data. main results are as follow : ( 1 ) it is found that a apparent transition of north pacific ssta in later 1970 ' s : eastern and middle - equatorial pacific ssta turns from cold to warm with area extending, and mid - latitude pacific ( west wind drift zone ) turns from warm to cold. during this transition of ssta, different characters also appear in el nino and la nina : before 1976, la nina happens more frequently, and its duration is longer, el nino zone develops from negative ssta in the early stage ; after 1976, el nino happens a little bit frequent and longer with more intensity than before, el nino zone develops from positive ssta in the early stage ; the course of ssta variation has an enso cycle of 2 - 6 years, annual oscillation of 8 - 9 years, and decadal variation of about 22 years
本文採用1950 - 1999年北太平洋海表溫度（ sst ） 、中國160站夏季降水和ncep再分析的歐亞500hpa高度場等資料，利用eof 、 svd 、小波分析、合成分析和相關分析等方法，在分析北太平洋海溫時空分佈特徵的基礎上，著重探討了海溫異常及其年代際變化對我國東部降水的影響，並對降水、高度場和海溫三者之間的關系進行了分析，以試圖尋找三者異常之間可能的聯系，主要結論如下： （ 1 ） 1976年前後，北太平洋海溫經歷了一次明顯的轉變，赤道中、東太平洋厄爾尼諾海區由冷轉暖，暖水范圍增大，中緯度西風漂流區海溫由暖轉冷；在這樣的年代際背景下，厄爾尼諾、拉尼娜事件在不同的時期也有不同的特徵：在76年前，拉尼娜事件發生頻率高，持續時間長，事件起始於負海溫距平；而76年後，則是厄爾尼諾事件發生頻率略高，持續時間長，強度增大，事件起始於正海溫距平。Due to the different plant and ground condition around observatory, the variation of co2 is different, the co2 distribution near the ocean and mountain is also different, among the mountain station, its variation is related to latitude
周圍植被種類和覆蓋的不同，對co _ 2濃度變化有較大；海洋站、高山站co _ 2年際分佈存在一定的差別，同類高山站中， co _ 2濃度也存在緯度上的差異。Firstly, having analyzed the present research situation on agricultural climate resources by gis at home and abroad, this thesis illustrates the importance of establishing agricultural climate resources information system. secondly, basing on developmental and integrative environment of arc view gis software, as well as developmental languages ( avenue and vb ), we design agricultural climate resources information system in fujian province with friendly and practical graphic user interface, together with comparatively perfect functions. finally, supported by fjacris, based on fujian province fundamental geographic data and agricultural climate resources database on 71 weather stations, relied on mathematic analysis techniques ( such as multiple statistical analysis, fuzzy mathematics etc ), a group of models are established to reckon the agricultural climate resources on small grids 41 indexes of agricultural climate resources are reckoned to the small grids that are 0. 004 longitude multiplied by 0. 004 latitude
本文首先通過對國內外運用gis進行農業氣候資源研究的現狀的分析，闡明了建立農業氣候資源信息系統的重要意義：接著以arcviewgis為軟體開發集成環境，並以avenue和vb為開發語言，進行了福建省農業氣候資源信息系統的設計和開發，設計出友好、實用的用戶界面，開發出較為完善的系統功能；最後在該系統的支持下，以福建省基礎地理數據和71個氣象臺站的農業氣候資源數據庫為數據源，應用多元統計、模糊數學等數學分析技術，構建了農業氣候資源的小網格推算模型，將福建省農業氣候資源的41個有關指標推算至0 . 004經度0 . 004緯度的地表網格單元上，全面地揭示了全省農業氣候資源的空間分佈規律，並在此基礎上完成了比較細致、精確和可靠的農業氣候系統功能的模糊綜合評價，以及綜合農業氣候區劃和專題農業氣候區劃。On the basis of dekad apparent temperature analysis, selected 12 representative stations on different latitude and longitude, the yearly change rule of dayly apparent temperature and different type apparent temperature - 2 - change condition with geography position are calculated and analyzed and dayly change rule of body comfort degree is attempted to discuss from climate angle
在旬體感溫度分析的基礎上，本文選擇了不同緯度和經度的12代表性站點分析了日體感溫度的年變化規律和不同類型的體感溫度隨地理位置的變化情況，試圖從氣候角度解釋人體舒適度日變化規律的原因。This method makes use of acoustical relative positioning technique, extending the dgps positioning technique for surface applications to underwater cases. with this positioning system, the submarine can directly get its longitude and latitude, and the positioning precision can ensure to be the same level as the surface application cases of dgps
系統採用系纜浮筏作為潛艇利用dgps進行水下定位的中繼站，利用水聲相對定位技術將dgps水面定位向水下延伸，使潛艇在工作潛深就可以直接獲得自身的大地經緯度坐標。Based on the ncep / ncar reanalysis products, the sea ice concentration data and the observation rainfall data in china, the seasonal, intraseasonal and interannual variations of the atmospheric circulation in the southern hemisphere ( sh ) are systematically analyzed together with their influences on east asian summer monsoon ( easm ). the major conclusions are summarized as follows : ( 1 ) in the lower level of the troposphere, the semi - annual oscillation ( sao ) is most active along 40 s and 65 s in the extratropics of the sh. over these latitudes, the variance percentages of sao exceed 70 %, and the anti - phase variation of the sea level pressure ( slp ) between the two latitudes is primarily caused by their sao components
利用ncep ncar再分析資料、南半球海冰密度資料及中國臺站降水資料，本文系統分析了南半球大氣環流的季節、季節內和年際變化特徵及其對東亞夏季風的影響，主要結論歸納如下： （ 1 ）對南半球熱帶外大氣環流而言， 40 s和65 s是低層大氣準半年振蕩最為顯著的兩個緯帶，在這兩個緯帶上，半年波的貢獻都超過了70 ，二者季節變化的反位相主要體現為半年波分量的反位相。In this paper, decadal variability of tropic and north pacific ' s ssta and of precipitation in china, correlations between them and the possible mechanisms of the ssta decadal change compacting on the precipitation decadal change are analyzed by using ncep globe temperature, wind and height data ( 1948 - 2001 ), coads ssta data ( 1900 - 2001 ) and 147 stations " precipitation data in china. results show that : ( 1 ) mid - high latitude north pacific and tropic west pacific ssta have obvious decadal change, the prior ' s decadal change has great variance and the latter ' s has great contribution in total variance, the main eigenvectors " distribution are stable in eof of tropic and north pacific ssta ' s decadal variability, the key area of the first eigenvector allots in two sides of tropic pacific ; the second one ' s allots in mid - high latitude northwest pacific and low latitude mid - east pacific which vary contrary ; the third one ' s allots in middle north pacific
本文利用ncep資料（ 1948 - 2001年）中的全球表面溫度場、風場、高度場資料， coads （ 1900 - 2001年）海表面溫度距平資料及中國147個站點1951 - 2001年共51年的降水資料，探討了熱帶及北太平洋ssta 、中國降水的年代際變化特徵，夏季熱帶及北太平洋ssta年代際變化與中國夏季降水年代際變化的耦合相互關系以及夏季熱帶及北太平洋ssta年代際變化影響中國夏季降水年代際變化的可能機制，結果表明： （ 1 ）北太平洋中高緯與熱帶西太平洋均有明顯的年代際變化，北太平洋中高緯年代際變化方差顯著，而熱帶西太平洋年代際變化方差貢獻顯著。Characteristics of variation and disturbances in low - latitude ionosphere were investigated based on the data observed in hainan under different magnetic activities and solar activities including variations and disturbances of parameters in different ionospheric layers, behaviors of plasma drift and a comparison with other low - latitude ionospheric station. the disturbance propagations from high to low latitude region during magnetic storm time are also investigated with analyzing the data obtained from the east - asian high - middle latitude stations
本文在觀測數據分析的基礎上研究了不同地磁活動和太陽活動條件下低緯電離層的變化和擾動特性，包括海南電離層各分層的參數變化和擾動特性，電離層漂移的變化特性，並與低緯度地區其他臺站進行了對比分析，還對暴時東亞地區高中緯度地區臺站的觀測資料進行了分析，研究了電離層擾動從高緯到低緯的響應過程。分享友人