practice missile 中文意思是什麼
practice missile
解釋
教練導彈-
It is generally impossible to obtain the analytic optimal guidance law for complex nonlinear guidance systems of homing missiles, and the open loop optimal guidance law is often obtained by numerical methods, which can not be used directly in practice. the neural networks are trained off - line using the optimal trajectory of the missile produced by the numerical open loop optimal guidance law, and then, the converged neural networks are used on - line as the feedback optimal guidance law in real - time. the research shows that different selections of the neural networks inputs, such as the system state variables or the rate of los ( line of sight ), may have great effect on the performances of the guidance systems for homing missiles. the robustness for several guidance laws is investigated by simulations, and the modular neural networks architectures are used to increase the approximating and generalizing abilities in the large state space. some useful conclusions are obtained by simulation results
對于復雜的非線性導彈制導系統，很難求得其解析的最優制導律，只能求得開環的數字解，不能適用於具有時變不確定性的導彈制導系統.利用神經網路的學習和推廣能力，對開環的數字最優制導律進行離線的學習，作為閉環的神經最優制導律在線應用.研究分別選擇系統狀態變量和視線角速率等不同的神經網路輸入對制導系統性能的影響，以及各種制導律的魯棒性問題，並採用模塊化神經網路結構提高神經網路的學習和推廣能力，模擬結果得到一些有益的結論 -
In practice, however, a missile ' s length is usually limited by the payload space available in the aircraft that delivers it
但實際上，飛彈長度通常受限於運送飛機的裝載空間。 -
Based on the analysis of the definition and the study of the estimation methods, the fighter ' s combat effectiveness model, in which the parameters of maneuver, cannon, missile, detector and others are considered, is established. the model has been tested with the existing aircrafts. it is shown that it is available and accurate enough for engineering practice
在分析和研究作戰效能定義、作戰效能評估方法的基礎上，建立了能反映飛機機動性、火力、目標探測能力、電子戰能力、操縱效能、生存力、航程、突防能力、遠程武器能力、導航能力、載彈量等因素對飛機作戰效能影響的作戰效能計算模型。 -
Based on the digitalization of intermediate frequency, realization method of hardware and software of missile weapon are put forward, which is a trial of applying advanced signal processing technique to practice
該方案是建立在中頻數字化基礎之上的，是將先進的信號處理技術應用於實踐的嘗試。 -
This step was taken without prior notification and in violation of the moratorium on missile launches, instituted by pyongyong earlier. freedom of international navigation in the pacific ocean was thus jeopardized, and the universally adopted world practice regarding launch notification was breached
分委會分析了在兩次會議期間雙邊合作的發展情況，積極評價了在基礎和應用研究方面、在創新領域和軍轉民技術上的合作結果。 -
U. s. a. disposes the missile defense systems in order to guarantee u. s. a. ' s definitely safe ; nato expands eastward, and occupies the strategic space of russia ; launch the war of kosovo and practice nato ' s new concept ; in the names of anti - terrorism to practice hegemony etc. these strategic intentions embody the contents of the theory of hegemony stability
美國部署導彈防禦系統，確保美國絕對安全；北約東擴，擠佔俄羅斯戰略空間；發動科索沃戰爭，實踐北約新概念；借「反恐」之名，行霸權之實等一系列行動，其戰略意圖都體現了霸權穩定論的內容。 -
Article 4 the state shall practice a licensing system for the export of missiles and missile - related items and technologies
第四條國家對導彈及相關物項和技術出口實行許可證件管理制度。
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