bound angle 中文意思是什麼
bound angle
解釋
鍵角-
Abstract : a method named multi - times optimization is presented to solve the multi - specification optimization problem, which is difficult to solve using the variational optimal theory. in the method several demands are reduced to some sub - tasks. in every subtask a demand that can not be transformed into bound condition is taken as performance specification for optimazation, and the other demands are taken as bound conditions. by means of the method, the arrival time, number of turn, turn angle of the aircraft in the terminal area are selected as performance specification separately, and the general character of optimal flight route in the terminal area is given
文摘:為了給飛機提供一條能滿足多種指標要求的最優飛行軌跡，針對變分最優理論難以求解多指標優化問題，提出了命名為多次優化的方法，即將多要求的優化任務分成先後相繼的多次任務，每次任務中選取一種不能邊界轉化的要求作為最優性能指標，而其餘要求轉化為邊界條件.利用這一方法以時間、轉彎次數、轉彎角度為最優性能指標給出了終端區最優飛行軌跡的一般特徵 -
A new method for doa estimation in certain nonstationary environments is presented in chapter 4. the maximum likelihood ( ml ) estimations of doa ' s of multiple rapidly moving sources is derived and the theoretical variance of angle estimation and the corresponding cramer - rao lower bound ( crlb ) are also given. its simulations show that this parametric technique is able to resolve closely spaced sources
提出了一種非平穩環境下的最大似然doa估計方法，該演算法適合於時變doa的情形，並分析了其參數估計性能，給出了角度估計的漸進方差的解析表達式，表明了常規的最大似然doa估計是本文的一特殊情形。
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