initial flight造句
例句與造句
- The a - darter will still notionally equip saaf gripens , but a long - awaited series of initial flight tests have yet to occur and the future of the programme is in doubt
A -標(biāo)槍手理論上將裝備南非空軍的鷹獅戰(zhàn)斗機(jī)，但是被期待已久的首飛測試仍然是遙遙無期，整個(gè)項(xiàng)目的未來仍充滿變數(shù)。 - Due to complicated continuous helicopter models and a wide range of constraints , numerical solutions on a mainframe computer have to take a long time . for a given set of initial helicopter states and flight parameters , optimal solutions are fitted by a fourier series . the coefficients of the fourier approximations are then interpolated as functions built by three - layer bp network with inputs of initial flight states and parameters
最后,由于直升機(jī)數(shù)學(xué)模型的復(fù)雜性,這給實(shí)時(shí)優(yōu)化計(jì)算帶來很大困難,本文研究了地面計(jì)算機(jī)計(jì)算的最優(yōu)軌跡如何在機(jī)載計(jì)算機(jī)上實(shí)時(shí)顯示,對飛行員的操縱提供參考,即把不同初始條件得到的最優(yōu)軌跡曲線進(jìn)行傅立葉部分級數(shù)化,得到傅立葉系數(shù),選取合適初始條件作為變量,對這些最優(yōu)軌跡曲線進(jìn)行擬和,建立bp神經(jīng)網(wǎng)絡(luò)預(yù)測模型。 - It's difficult to find initial flight in a sentence. 用initial flight造句挺難的