航空相片 的英文怎麼說
中文拼音 [hángkōngxiāngpiān]
航空相片
英文
aerial print-
Method for determining the speed and average gradient of black - and - white aerial camera films
黑白航空照相膠片感光度和平均斜率測定方法Bleaching effects are very strong and show on air photos.
退色效應非常強烈,並且反映在航空相片上。In order to investigate the unsteady flow frequency domain performances of an axial flow compressor at different mass flow, rotating speed and blade row spacing, plus inlet flow distortion, and considering aerodynamic characteristics and stability of the compressor, the low speed research compressor ( lsc ) at college of energy and power in nuaa is used to carry out the experiment studies. a large amount of test data has been gained through dynamic pressure transducers embedded in the stator blades at the tip, middle and hub section, then fast fourier transform algorithm ( fft ) is applied to calculate the frequency data
為探討軸流壓氣機在工作流量、工作轉速及動?靜葉排軸向間距變化時的葉片排流場非定常頻譜特性變化規律,並耦合進氣畸變的影響,同時與壓氣機氣動性能和氣動穩定性相關聯,作者利用南京航空航天大學能源與動力學院的低速大尺寸軸流壓氣機( lsc )試驗器,採取在靜子葉片表面埋入動態壓力傳感器的實驗方法,對葉尖、葉中和葉根三個截面的動態壓力進行了測量,獲得了大量的可靠的實驗數據。As in reconnaissance work, aerial photographic volume estimates can be satisfactory.
作為森林資源概查工作來說,航空相片的蓄積量估計值能滿足要求。The control circuit of aerial camera has the functions that self - correcting shutter, automatic exposure, automatic adjusting speed and rolling films. it radically realizes taking pictures in focus in uav at the station of high altitude and high speed
航空偵察照相機控制電路具有對航空相機自動快門調節、自動曝光和自動調速走片的功能,從根本上實現了無人駕駛飛機航空照相機在高空高速狀態下的清晰拍攝。The study indicates that digital photographic aerial photo, ikonos ( panchromatic and multi - spectral ), spots ( panchromatic and multi - spectral ) and the emerging map of spot4 ( panchromatic ) and etm can all be used in the forest management inventory, whereas etm ( including tm ) or the emerging map of etm and spot4 ( panchromatic ) can be used to investigate forest resources and draw maps in the mountain area of better forest aspect, when the first three remote - sensing sources can be used in the investigation of urban resources and the demand on detailed investigation is higher or the map - drawing of 10, 000 ratio scale
研究表明:數字航空像片、 ikonos (全色和多光譜) 、 spot5 (全色和多光譜) 、 spot4 (全色)與etm的融合圖都可以應用於森林資源二類清查,而前三種遙感信息源也適用於城市資源調查以及要求調查詳細程度更高或1 : 1萬比例尺的制圖,在林相較好的山區,可應用etm (包括tm )或etm與spot4 (全色)的融合圖進行森林資源調查與制圖。This thesis discusses the aerial camera " s operating flow, the consists of control system and operating principle. in addition, it introduces the realization and development of singlechip technology in aerial camera control system. the design of control circuit " s hardware and software are presented in detail
本論文闡述了航空相機航拍工作流程、控制系統的組成及其工作原理,以及單片機技術在航空相機控制系統中的實現與開發,重點論述了課題中所研製的控制電路的硬體設計和軟體編制。On air photographs, fault indications have one common property: they are always straight, or slightly curved.
在航空相片上,斷層標志有一個共同的特點,就是它們始終是平直的或輕微彎曲的。Airphoto stereoscopic instrument
航空相片立體測繪儀器Space camera consists of camera lens, shut, camera body, film transport system, control system and so on. film transport system as one of the most important components, requests large capacity to carry film, short circle working period, and high dependability. so film transport system ' s well or poor quality directly affect space camera ' s function
航空航天相機一般由鏡頭、機身、快門、輸片機、相機控制系統等部分組成,其中作為成像的重要組成部分之一的輸片機構,它要求載片量大、工作循環時間短,高可靠性的工作,因此輸片機構的優劣直接影響到整個相機的工作性能及功用,合理設計開發高品質的輸片機構具有非常重要的意義。In order to relieve city heat island effect and provide fundamental referential materials for future rational city planning and rebuilding, this paper assorted the underlaying surface of tianjin nankai district according to city planning drawing and airscapes, and analyzed the correlation of city air temperature with city underlaying surface and anthropogenic heat according to air temperature records and city subsurface sorting
摘要為減輕城市的熱島效應,為今後城市的科學規劃合理改造提供基礎性的借鑒資料,使用城市規劃圖和航空圖片對某市區下墊面分類,並根據實地大氣溫度的監測數據,運用相關分析法和多元回歸分析法,探討了城市氣溫與下墊面和人為排熱等影響因素之間的關系。The experimental area is selected in badaling region of beijing with the destruction of forest aspect and complex topography. for this reason, the following multi - remote - sensing information sources are selected : etm ( including tm ), spot4 ( panchromatic ), spots ( panchromatic and multi spectral ), ikonos ( panchromatic and multi - spectral ) and digital aerial photographs
實驗區選擇在林相破碎、地形復雜的北京八達嶺地區,為此選擇了etm (包括tm ) 、 spot4 (全色) 、 spot5 (全色和多光譜) 、 ikonos (全色和多光譜) 、數字航空像片等多遙感信息源。This paper have some reference value in designing and analyzing space camera ' s film transport system
本文對航空航天相機輸片機的結構設計及分析有一定的應用參考價值。It is so necessary to design high - level film transport system. the objective of this thesis is to design and analyze fixed quantity intermittent film - transport system
本文的目的是探討一種適用於航空航天相機的定量間歇輸片機構的設計及分析。Space debris collision prediction analysis is important to guaranteeing space probe ’ s safety. processing analysis about it becomes more and more important for debris on the track manifold
空間碎片碰撞預警分析在保障在軌航天器運行安全有著重要的意義,隨著在軌碎片的逐年增多,對空間碎片進行相關分析變得越來越重要。From left : neil campbell corporate safety department, cathay pacific, b. y. lee, sharon lau and olivia lee
相片中由左至右: neil campbell國泰航空企業安全部李本瀅劉心怡及李淑明香港天文臺The imperfection and fuzziness affecting the vibration reliability of structural components is analyzed, the concept of fuzzy safety state on vibration of structural components is developed, the fuzzy failure district of the resonant vibration of structural components and its membership function is constructed, the fuzzy failure district of the intensity is also constructed, the fuzzy model to assessment the vibration reliability of structural components is built and is applied to the vibration reliability assessment of the turbine blades and the compressor blades of the aero - engine
摘要分析影響構件振動可靠性的不確定性和模糊性因素,定義構件振動模糊安全狀態,構建構件振動的模糊共振失效區域及相應的隸屬函數、模糊強度失效區域及相應的隸屬函數,建立構件振動可靠性計算的模糊模型,並將其應用於某航空發動機壓氣機、渦輪葉片的振動可靠性計算。To satisfy the practical need of film cooling in turbine blades of aeroengine, some detailed experimental measurements on the flow field in the channel with the holes on the wall and in the holes had been completed within a wide range of aerodynamic parameters. and the interrelated numerical simulated compute had also been implemented
本文根據航空發動機中渦輪導向葉片氣膜冷卻的實際需要,在寬廣的氣流流動參數范圍內,對葉片內冷通道的流場進行了詳細的實驗測試,同時還進行了相應的數值模擬計算。分享友人