航天相片 的英文怎麼說
中文拼音 [hángtiānxiāngpiān]
航天相片
英文
space photograph-
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。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。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。The research object here is a high - level film transport system of space camera. main contents are following : design and analyze fixed quantity intermittent film - transport system with tension - control, invariant tension - control system in the point of view of structure ; conduct dynamic property of fixed quantity measuring film roller and deduce the film ' s dynamic property and film tension
本文以某型高級航天相機的輸片系統為研究對象，從結構設計的角度出發探討了帶有張力控制的定量間歇式輸片機構的設計與分析，介紹了定量間歇輸片系統的結構設計及恆定張力控制系統的結構設計。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分享友人