氣導航向 的英文怎麼說
中文拼音 [qìdǎohángxiàng]
氣導航向
英文
meteorological course-
Instrument landing system ( ils ) a standard icao precision landing aid to provide accurate azimuth and descent guidance signals for use by aircraft for landing on the runway under adverse weather conditions
這是國際民航組織指定的標準精確著陸導向設備，提供準確的方向指示及下降指引訊號，即使在惡劣的天氣狀況下，航機亦能安全地在跑道上降落。An ils is a standard international civil aviation organisation ( icao ) precision landing aid provides accurate azimuth and descent guidance signals for use by aircraft for landing on the runway even under adverse weather conditions
這是國際民航組織指定的標準精確著陸導向設備，提供準確的方向指示及下降指引訊號，令航機即使在惡劣的天氣狀況下，亦能安全地在跑道上降落。Based on the prior knowledge of flight navigation control, a combined navigation system is achieved by integration of dgps, magnetometer and atmosphere data computer
基於飛行導航控制的先驗知識，對dgps 、磁航向計、大氣數據計算機等飛行導航傳感器獲取的飛行狀態信息進行綜合處理，實現了組合導航控制。Measurement of pressure, temperature and humidity operated in much the same principle as the older version of radiosonde, but computation of wind was made use of the vlf ( very low frequency in the range of 10 - 13 khz ) signals of a world - wide navigational network, omega
該系統量度高空氣壓、氣溫及濕度的方法與舊式無線電探空儀大致相同，但在測風方面則採用了一種新的概念，利用世界性奧米茄導航站網的甚低頻信號（ 10 - 13khz ）來計算出高空風向和風速，無需用雷達追蹤探空儀位置。The currents of air that the walls of the ship direct upwards ， as well as in line of its course are enough to give the great bird with its immense wings sufficent sustenance and progress
沿著船壁向上引導的以及與航行方向一致的氣流足以給這種長有特大翅膀的大鳥以充分的支撐力和前進力。The following important work has been done : ( 1 ) some special problems of rate - bias laser gyro were analysed. the problems include modulation and demodulation of the output and algorithm of the attitude updates ; ( 2 ) the integrated navigation system with the fault tolerance property which equipped with many navigation equipments as sins, gps, dvs, ads, mg, vg is designed, and compared with that of ckf via simulations ; ( 3 ) the theories and methods of system level fault detection apply to federated filtering is investigated ; ( 4 ) the problem about using the fused information of sins based on rate - bias laser gyroscope / dynamical tune gyroscope to realize the component level hard fault interactions detection through a back - propagation neural network is discussed
主要研究工作有：研究了速率偏頻激光捷聯慣導的陀螺測量信號的解調演算法；設計了在速率偏頻激光捷聯慣導、 gps 、多普勒雷達、大氣數據系統、磁航向儀及垂直陀螺配備條件下聯邦濾波組合導航系統，對聯邦濾波器和集中濾波器的性能做了模擬對比分析；研究了適用於聯邦濾波器的系統級故障理論和方法；探討了利用速率偏頻激光捷聯慣導撓性捷聯慣導陀螺的混合測量信息，通過神經網路實現硬故障交互檢測的方法。Some of the air is used for cooling the turbine blades and nozzle guide vanes, and part of it is employed to cool and seal the turbine discs
在現代航空發動機中，從壓氣機引出的壓縮空氣一部分用來冷卻渦輪葉片和渦輪導向葉片，另外一部分用來冷卻和密封渦輪盤。Film cooling of the surface of a gas turbine blade was studied in a large - scale low - speed opening wind tunnel according to actual requirement of the design of aero - engine. the surface of a gas turbine blade was cooled by cylindrical holes in the experiment, with the hole number of fifteen in stator and eight in rotor
應航空發動機設計的要求，在大尺寸低速葉柵傳熱風洞中分別對發動機渦輪導向葉片和動葉表面的氣膜冷卻特性進行了研究，具體研究在不同氣膜孔出流時，在不同主流雷諾數和吹風比情況下葉片表面局部換熱系數的分佈規律。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