ID 原文 译文
49937 横航向稳定性不足的问题是飞翼布局飞机设计过程中需要处理的关键问题之一。 The problem of insufficient horizontal directional stability is flying wing aircraft layout design process to deal with one of the key issues.
49938 提出了一种在无自动器增稳条件下，不改变飞机平面布局而仅修改上反角实现飞翼布局飞机横航向动稳定的设计方法。 Put forward a no automatic stabilization conditions, not only change the plane layout modification of dihedral Angle on the flying wing aircraft layout transverse stability of the design method of the course.
49939 从理论角度分析了该设计方法的可行性，以改进的涡格法和横航向线化小扰动方法构建数学分析模型， From the point of view of theoretical analysis of the feasibility of this design method, with improved vortex lattice method and horizontal heading line small perturbation method to build the mathematical analysis model,
49940 利用根轨迹方法对飞机不同飞行状态下的横航向动稳定性发展情况进行描述以指导优化方向。 using the root locus method for aircraft horizontal heading dynamic stability under different flight state describe the development to guide the optimization direction.
49941 通过以一小尺寸飞翼布局飞机作为研究算例，对其进行展向上反角优化研究，以证明该套设计方法的有效性。 By a small size flying wing aircraft layout as the research example, to show up the research Angle, to prove the effectiveness of the proposed set of design method.
49942 试飞数据及计算结果表明，上反角优化明显改善了飞机荷兰滚模态特性。 On the flight test data and the calculated results show that the Angle of optimizing greatly improved the Dutch roll mode features.
49943 伴随战场指挥通信系统的复杂化，车载多部军用超短波(very high frequency，VHF)电台间互扰问题日益突出。 With complicated battlefield command communication system, vehicle more than military ultrashort wave (very high frequency, VHF) each other between radio interference problem increasingly prominent.
49944 针对同车电台间互扰问题，提出了结合天线近场耦合计算的射频干扰自适应对消方法，在此基础上推导出了耦合计算误差影响系统收敛时间的解析表达式。 For with the problem of mutual interference between vehicle radio, combined with the antenna near-field coupling is proposed to calculate adaptive rf interference cancellation method, and coupling calculation error is deduced on the basis of the analytical expression for the convergence time of impact system.
49945 该方法通过预先建立同车收发天线近场模型，计算得出收发天线间耦合系数和相位失真度， By this method with the car to send and receive antenna near field model is set up in advance, calculated between sending and receiving antenna coupling coefficient and phase distortion degree,
49946 再利用该结果设定自适应干扰对消链路的初始参数，缩短了射频自适应干扰对消算法的收敛时间。 reuse the result set the initial parameters of the adaptive interference cancellation link, shorten the convergence time of the radio frequency adaptive interference cancellation algorithm.