| ID | 原文 | 译文 |
| 10944 | 快速准确的载波频偏估计在突发信号的相干解调中发挥着至关重要的作用。 | Fast carrier frequency offset estimation in the emergency signal coherent demodulation plays a vital role. |
| 10945 | 目前的载波频偏估计算法很难同时兼顾估计精度、信噪比(signal-to-noise ratio,SNR)门限以及估计范围等指标。 | The carrier frequency offset estimation algorithm is difficult to both estimation precision and signal-to-noise ratio (signal - to - noise thewire, SNR) threshold and the estimated range indicator. |
| 10946 | 针对这一问题,提出了一种数据辅助的基于接收信号自相关序列离散傅里叶变换(discrete Fourier transform,DFT)的载波频偏估计算法。 | In order to solve this problem, put forward a kind of auxiliary data based on the received signal autocorrelation sequence of discrete Fourier transform (discrete 'Fourier transform, the DFT) carrier frequency offset estimation algorithm. |
| 10947 | 该算法通过对接收信号的自相关进行加窗处理,借助离散傅里叶变换来实现频率估计。 | The algorithm based on received signal autocorrelation add window handle, with the help of discrete Fourier transform to achieve frequency estimation. |
| 10948 | 仿真结果表明,与经典的M&M算法相比,该算法具有更低的信噪比工作门限,在低信噪比情况下具有更低的差错概率和更宽的估计范围,非常适合低信噪比突发信号的载波频偏估计。 | Simulation results show that compared with the classical algorithm of M&M's, the proposed algorithm has lower SNR threshold, under the condition of low signal-to-noise ratio has a lower error probability and wider estimation range, very suitable for low signal-to-noise ratio of sudden signal carrier frequency offset estimation. |
| 10949 | 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. |
| 10950 | 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. |
| 10951 | 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,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。 | 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, using the root locus method for aircraft horizontal heading dynamic stability under different flight state describe the development to guide the optimization direction. |
| 10952 | 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. |
| 10953 | 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. |