flight test time 中文意思是什麼
flight test time
解釋
試飛時間-
In flight test, using the method of system identification, the model of the dropped order is taken, then the performance of control syetem of the drone is evaluated. in order to analysize the precision guidance of the flight test, two method is usedizero time sample test and small sample test
在飛行試驗中，要對無人機的飛行控制系統的性能進行評估，運用系統辨識的方法，對試驗數據進行辨識，獲得其降階模型，從而對其性能進行評估。 -
There are great differences between ground test of a flight vehicle ' s aerodynamics and that of a dual - mode scramjet when ground test facilities are used to do experiments on a dual - mode scramjet engine, the components of incoming flow and its parameters, including total pressure, total temperature ( or total enthalpy ) and velocity must be simulated. at the same time, since the fuel ' s resident time within a combustor is very short, on the order of one millisecond, it is difficult to measure the flow - fields
進行雙模態沖壓發動機地面試驗研究時，必須要求試驗設備能模擬實際飛行條件下來流氣體的組分、總壓、總溫（或總焓）以及來流氣體的流動速度；同時由於燃料在燃燒室內駐留的時間很短，一般為毫秒量級，從而使流場物理量的測定顯得非常困難。
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