ID 原文 译文
39366 然后根据是否已知先验概率两种情况，分别采用广义似然比和奈曼皮尔逊准则来检测识别两种散射路径。 Then, based on whether the prior probabilities are known, the generalized likelihood ratio and Neiman Pearson criterion are utilized to detect and identify the two kind of scattering paths.
39367 仿真结果表明:本文提出的检测识别方法在NLOS环境下能有效识别两种散射路径， Simulation results show that the detection and identification method proposed in this paper can effectively identify two scattering paths under the NLOS environment.
39368 相对于LPMD(Line of Possible Mobile Device)算法具有更高的识别率以及更小的虚警概率和漏警概率，且时间开销小，具有一定的应用价值。 Compared with the LPMD(Line of Possible Mobile Device) algorithm, it has a higher recognition rate and a smaller false alarm probability and missed alarm probability, and the time overhead is small, it has certain application value.
39369 广播式自动相关监视(ADS-B)是一种新的空管监视技术，遵循着“空地一体化”和“全球可互用”的指导原则，实现了航迹信息共享。 Automatic Dependent Surveillance-Broadcast(ADS-B) technology is a new air traffic surveillance technology that follows the guiding principles of “air-ground integration” and “global interoperability” to achieve track information sharing.
39370 但其开放式的架构特点，使其极易受到各类欺骗式的干扰，严重威胁空中交通安全。 However, its open architecture makes it extremely vulnerable to a variety of spoofing attacks, which seriously threatens air traffic safety.
39371 本文针对真实ADS-B信号的多普勒频偏变化规律与报告位置的变化规律相符合的特点，结合以深度学习为代表的机器学习方法，提出利用改进型的AlexNet提取特征并检测欺骗干扰。 In this paper, aiming at the characteristics of Doppler frequency offset variation of ADS-B message and the change rule of reporting position, combined with the machine learning method represented by deep learning, this paper proposes to use the improved AlexNet extraction feature and detect fraud interference.
39372 本方法对比传统的信号处理方法，减少了计算复杂度，提高了识别准确率，特别是在航迹长度较短时优势更加明显。 Compared with the traditional signal processing method, the method reduces the complexity of the algorithm and improves the recognition accuracy, especially when the track length is short.
39373 仿真实验验证了方法的有效性。 Simulation experiments verify the effectiveness of the method.
39374 为了解决滤波器组多载波(filter-bank multi-carrier， FBMC)信号的子载波参数盲估计问题，提出一种基于四阶累积量的方法来估计FBMC-OQAM信号子载波参数。 To address the problem of blind estimation of subcarrier parameters of filter-bank multi-carrier signals, a method for estimating subcarrier parameters of FBMC-OQAM signals based on fourth-order cumulants is proposed.
39375 首先，截获交错正交幅度调制(offset quadrature amplitude modulation，OQAM)的FBMC信号并检测信号频谱来确定循环频率的范围; Firstly, the FBMC signal of the offset quadrature amplitude modulation is intercepted, and its spectrum is used to determine the range of the cyclic frequency.