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电子信息对抗技术

电子信息对抗技术

北大核心

Electronic Warfare Technology
本刊是中华人民共和国信息产业部主管、信息产业部电子第29研究所与电子对抗国防科技重点实验室主办的正式刊物，于1986年创刊，国内统一刊号CN51-1418/TN，每逢双月20日出版，自办发行。本刊全面研究电子战（EW）/信息战（IW或IO）新概念、新理论和新技术，跟随跟踪其发展趋势，交流最新研发成果，传播现代电子战/信息战/知识，旨在促进我国防御电子信息技术与装备的不断发展与进步。
  • 发文量：2113
  • 被引量：380
  • H指数：0
  • 开始收录时间：1989(1)
  • CNKI综合因子：0.269
  • 维普期刊影响因子： 0.55
  • 万方期刊影响因子：0.47
  • 创刊时间：1986
  • 国内刊号/CN：51-1694/TN
    国际刊号/ISSN：1674-2230
  • 发行周期：双月刊
    邮发代号：-
  • 主管单位：信息产业部
    主办单位：中国电子科技集团公司第29研究所 信息综合控制国家重点实验室
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电子信息对抗技术 >2023年第6期

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  • 摘要：针对色噪声环境下的MIMO雷达目标角度估计问题,提出一种基于四阶累积量切片的角度估计算法。算法利用MIMO雷达的接收数据计算出四阶累积量,构造出累积量切片矩阵,通过特征分解,结合ESPRIT算法实现了雷达目标的角度估计。同时进行了低复杂度改进,去掉了冗余信息,保留了MIMO雷达阵元扩展能力和目标分辨力,具有自动抑制加性高斯噪声和任意高斯色噪声的能力。最后计算机仿真结果证实了算法的有效性和可行性。%A new algorithm based on fourth order cumulants slice is proposed for angle estimation for MIMO radar in the presence of the spatially Gaussian noise, which constructs a eumulant slice matrix using the data vectors of radar. Through the eigenvalue decomposition of the matrix, angles of MIMO radar can be estimated combined with the subspace kind algorithms such as ESPRIT. This algorithm, keeping the capacity of virtual array extending and target distinguish, removing data redundancy of cumulant matrix and reducing the complexity, restrains automatically the influence of the additive Gaussian white noise and colored noise. Simulation results verify that the proposed algorithm is effective.
  • 摘要：为了对弹道导弹关机点战术参数进行准确估计,需要根据预警卫星的探测信息对导弹进行定位。基于双星定位原理及导弹弹道特性,给出了从测量坐标系到地球固定坐标系的转换模型,双星定位模型,关机点时刻、关机点位置以及关机点速度估计模型,并利用仿真工具STK,结合美国新一代导弹预警卫星系统———空间跟踪与监视系统（STSS）,对关机点战术参数的估计进行了仿真,仿真结果表明了该算法的有效性,并说明STSS与传统预警卫星相比,具有更好的探测预警能力。%In order to evaluate the tactical parameters of ballistic missile burnout point, detection information of early warning satellite is need to locate missile. Based on the theory of double satellites location and ballistic trajectory, the transformation model is provided from ECF_ VVLH coordinate to ECF coordinate, double satellites location model and tactical parameter evaluation models of burnout point. Using STK, combination with STSS, the tactical parameter of burnout point is simulated. Simulation verifies the efficiency of the algorithm, and the superiority of STSS.
  • 摘要：As to the compressive sampling for multiband signals in MWC （Modulated Wideband Converter）, a SOMP （Simultaneous Orthogonal Matching Pursuit） recovery algorittun is proposed based on backtracking. Signals are reconstructed with this algorithm employing backtracking and least square criterion strategy. Compared with traditional methods, the proposed method doesn＇ t require the carrier frequencies as a prior. Moreover, this method has low computational complexity and high success rate. Simulation results demonstrate its good performance, which makes it a promising candidate for compressive sampling of muhiband signals.%针对多频带信号在调制宽带转换器（Modulated Wideband Converter,MWC）系统下的压缩采样,提出了一种基于回溯思想的多频带信号SOMP（Simultaneous Orthogonal Matching Pursuit）重构算法,该方法利用回溯思想和最小均方准则进行信号支撑频带搜索,从而重构源信号。相比传统方法,该算法不需要已知信号载频信息,且算法复杂度低,正确重构概率高。通过对实际中不同多频带信号MWC采样系统下的仿真实验表明,该方法具有良好的适用性。
  • 摘要：针对DS-CDMA通信信号接收中序列同步机制,综合分析多DS-CDMA信号竞争发展中的困惑,提出一种新的竞争策略——基于动态机制的状态控制策略,该策略具有两种潜在的能力,一是根据接收机的动态机制,使干扰信号具有主动捕获接收机的处理增益的能力;二是干扰信号具有驱使接收机跟踪被干扰的信号的能力。为此,给出基于该策略的技术实现思路。%Aiming at the sequence synchronizing mechanism on DS - CDMA signal for receiver, a new competing strategy, state-control-strategy based on dynamic mechanism, is presented by synthesizing puzzle in the competing for many DS - CDMA signals. The strategy has two potential capabilities, one is that interfere signal can capture the processed gain of the receiver, the other is that interfere signal can impel the receiver to track the interfere signal. Finally, the realizing route of the idea is given for readers.
  • 摘要：对于空中的飞行体而言,需要了解彼此间位置、速度和航向等空间状态信息。空间状态信息一般可以通过外界导航与定位支持系统来获取,如GPS和INS等,但这些外界导航系统存在精度和战时可用性问题。提出利用相位差变化率方法解决两飞行体在二维平面运动模型、三维立体运动模型时相互之间的定位问题,并且进行了可观测分析,并探讨了此方法的优缺点及下一步改进思路。%The space state information such as position, velocity and heading is needed for aircraft bodies. These information can be acquired by external navigation and positioning system such as GPS and INS. However there are problems of accuracy and availability in time of war in the external navigation and positioning system. A kind of positioning method is proposed based on phase change rate in two-dimensional model and three - dimensional model between two aircraft bodies and conducts ob- servable analysis. In the end, the advantages and disadvantages of this method are discussed, and improvement is achieved.
  • 摘要：For the influence of blanket jamming to netted radar tracking filtering, system measurement synthesize techniques is adopted to make use of the remnants observation information of each radar member. Then UPF algorithm is utilized to evaluate target state. Simulation results show that this method can make use of the remnants observation, and track the true targets more precisely and timely than standard PF algorithm.%为解决压制性干扰对组网雷达跟踪滤波的影响,引入系统量测合成方法来解决测量信息不全的问题,采用UPF算法来解决非线性非高斯背景下的目标跟踪问题。仿真结果表明系统量测合成与UPF结合的方法,可以充分利用组网雷达＂残留＂信息,能够有效对目标进行跟踪,在跟踪精度和时效性上均优于标准PF算法。
  • 摘要：针对大多数舰艇都装备了有源设备和无源干扰装置的实际,提出了舰艇对抗反辐射导弹的有源和无源复合干扰方法。在分析其技术原理的基础上,建立了相应的数学模型,并通过计算证明该方法是可行的。最后,对舰艇在实际运用该方法对抗反辐射导弹过程中应把握的问题进行了进一步分析。%For most of the ships are equipped with active equipment and passive jamming device, an approach for surface ship confronting anti-radiation missile with active and passive compound jamming is proposed. Based on the principle, the corresponding mathematical models are established and the feasibility of the approach is proved. Lastly, some problems are analyzed that ought to be noticed when exercising the approach.
  • 摘要：A Markov chain model based on the topography of networks is proposed for evaluating data link networks invulnerability. Results show if there is a node which can come back to itself by odd jumps in the networks, Markov chain is ergodic and the limiting transition probability is the ratio between node＇ s degrees and sum of all nodes＇ degrees. Then according to the model, sum of probabilities of all the other nodes reaching the node by shortest path is regarded as a measure for evaluating the importance of nodes. Lastly, comparing the topology differences between target： networks and full-connecting networks is regarded as a method for evaluation networks invulnerability. The examples verify the efficiency of the model and method.%针对数据链网络抗摧毁问题,提出了基于网络拓扑图的马氏链模型。指出若网络中存在经过奇数次跳转能够回到自己的节点时,此网络图的马氏链是遍历的,且其极限概率为该节点的度比上所有节点度之和。然后根据上述模型,提出把其他节点以最短路径到达该节点概率之和作为节点重要性评判指标。在此基础上,把待评价网络与全联通网络的进行结构差异比较作为抗毁性的评价方法。实例验证了模型与算法的有效性。
  • 摘要：随着电子战技术的发展,宽带波束形成技术在面向复杂电磁环境的侦察系统中的作用日益凸显。主要介绍利用光学方法实现宽带波束形成的原理以及近年来国外报道的几种光学波束形成方案,并对每种技术方案的优缺点进行针对性分析,最后对宽带光学多波束技术的发展趋势和应用前景作了分析和展望。%With the development of electronic warfare, the demand for wideband beam forming is becoming more and more urgent in electronic reconnaissance systems due to the much more complex electromagnetism environment. The principle of wideband optical beam forming is ：introduced, as well as several architectures of optical beam forming reported in recent years. Both the advantages and disadvantages are discussed for these architectures. Finally, future trends and prospects of wideband optical multi-beam forming are presented.
  • 摘要：The signal model of synthetic aperture ladar is set up, and the influence of micro vibration error on the phase of echo signal of the SAL is computed. Numerical simulation on a SAL system in strip - mode used in RDA and imaging algorithm based on SPWVD time-frequency analysis are carried out. The simulation results show that in the condition of steady flying, the ideal point target can be imaged clearly with RDA. On the reference of the national military standard for environment, in the condition of the frequency below 500MHz and the amplitude below 0.2mm, the azimuth resolution of image used in RDA is badly debased. Doppler frequency motion from vibration and its influence on imaging resolution can be effectively eliminated used in the imaging algorithm based on SPWVD time- frequency analysis.%建立了SAL回波信号模型,推导计算了微振动对SAL回波相位的影响。分别采用RD算法和基于SPWVD分布的时频成像算法对工作于机载正侧视条带模式的SAL系统进行数值仿真分析。结果表明,在SAL平台作平稳飞行时,采用RD算法可以清晰地对点目标进行成像;根据实际情况引入振动频率不超过500 Hz、振幅不超过0.2 mm的微振动参数,采用RD算法所得到图像的方位分辨率严重下降,采用基于SPWVD分布的时频成像算法可以有效消除振动引起的多普勒频移及其对成像的影响。
  • 摘要：提出火控雷达、雷达侦察、有源干扰综合一体化技术发展的新思路,介绍基于机械旋转天线的集火控跟踪雷达、有源干扰及雷达侦察一体化设备的总体思路、原理方案、关键技术、技术特点和作战使用等。该方案具有设备量少、造价低、综合作战效能好、效费比极高等特点,具有好的应用前景。%A new idea of integrating fire control radar, radar reconnaissanceand active jamming is pre- sented. Firstly, the general idea and principle scheme based on the technology of mechanical rotating antenna are introduced. Then, the key technologies, technical features and operational use of the sys- tem are analyzed. This system has good prospects with its distinguishing features of less equipments, low cost, integrated operational efficiency well, cost-efficient rate.
  • 摘要：Interferometer system has an important use in radio direction finding field. The principle ofinterferometer direction-finding system is given at first. Based on the analysis of reasons of system er- ror and means of improvement, two practicable methods of active jamming are given which are emulat- ed by Matlab.%干涉仪测向体制在无线电测向领域有着重要的应用,首先分析了干涉仪测向的基本原理,通过对测向系统误差因素和改善方法分析,得出两种有源干扰方法并进行了机理分析,最后对这两种方法进行了仿真,验证了方法的有效性。
  • 摘要：详细分析了间隔采样转发干扰的工作原理,并结合雷达的恒虚警率处理过程,讨论了干扰信号对雷达检测性能的影响。以雷达的检测概率为干扰效果的评估指标,为多假目标干扰的效果评估提供了一个新的思路。同时,通过多次仿真分析了不同的参数设置对干扰效果的影响,给出了相应的结论。%The principle of intermittent sampling repeater jamming is analyzed. With the consideration of radar CFAR processing, the performance of radar detection is discussed with jamming signals. The detection probability of radar as the evaluation guideline of jamming effect, a new way of assessment for multi false target jamming is provided. Also, analysis of the influence with different parameters on the effects evaluation and corresponding results are given.
  • 摘要：根据软件测试过程中进行的度量与分析研究,提出了在软件测试乃至全生命周期中均可采用的度量与分析实施办法。阐述了确定度量信息分类和度量元的方法,并从实际软件项目中成功应用的测试进度、工作量分布、测试时间与测试间隔、测试用例数和缺陷数等五个度量元入手阐明了运用度量与分析方法实施过程控制的技术。实际软件项目测试过程证明,该方法可以对测试过程进行精确掌握与控制。%According to the measurement and analysis in software testing, a measurement and analysis implementation method is proposed which could be adopted in software testing, even the whole life cy- cle of the software. In addition, it is also stated how to determine the information classification and metrics, and the implementation of process control with the method is discussed from the software- test schedule, workload distribution, the test time and the test time interval between the different test- ing stages, the number of test cases and the bugs. It is proved that the method could accurately grasp the testing process and control in the practical software testing process.
  • 摘要：针对有效核函数（active kernel function）未知的联合平移不变子空间（Union of Shift-InvariantSubspaces,USI）,提出了一种压缩采样模型,基于稀疏重构理论,该采样模型能够有效降低信号的采样率。首先建立一个多脉冲雷达回波信号模型,在信号的延时-多普勒平面上对延时轴离散化,将回波信号表示为USI信号;然后在根据构建的压缩采样模型降低信号采样率的同时,利用稀疏贝叶斯学习和ESPRIT算法由信号样本值估计出雷达回波信号的延时、多普勒频移和反射系数等参数;最后仿真验证了研究结论的有效性。%For the signals in union of shift-invariant subspaces (USI) when the active kernel functions are unknown, a concrete compressed sampling scheme is proposed which can reduce the sampling rate effectively based on the sparse reconstruction. A signal model of multiple-pulse radar echo signal is estabilished firstly, the echo signal corresponds to a signal in union of shift-invariant subspaces by discretizing the delay of delay-doppler space. Furthermore, the parameters of echo signal are estimat- ed from the samples by sparse Bayesian learning and ESPRIT algorithm. Finally, simulation are car- ried out to prove the validity of the research result.
  • 摘要：以雷达对抗侦察系统的工作流程为基本出发点,从理论上分析了雷达对抗侦察系统在各个阶段受有源噪声干扰的可能性以及可能受到有源噪声干扰的性能指标,在此基础之上,给出了有源噪声对雷达对抗侦察系统性能指标影响的模型,并进行了相应的仿真分析。%The feasibility of radar counter-reconnaissance system influenced by active noise is ana- lyzed, and performance index of workflow is analyzed. Some models which can reflect the influence between active noise and the performance of radar counter-reconnaissance system are given out, and simulation and analysis about the models are carried out on the basis of the analysis.
  • 摘要：The performance of millimeter wave comparing with microwave and infrared is proposed. The resolving capability, Doppler frequency and detection range are analyzed. The main weapons using mil- limeter wave guidance technology is summarized and the anti-interference performance is provided.%比较了毫米波、微波、光波的特点,分析了毫米波末制导的分辨率、多普勒频率、探测距离特性,总结了采用毫米波制导技术的典型装备,并分析了其抗干扰性能。研究结果表明毫米波制导技术增强了武器系统的抗干扰性能。
  • 摘要：·请通过Email投稿,投稿邮箱：dzxxdkjs@126.com;电话：（028）87551384;地址：四川省成都市429信箱011分箱（邮编610036）。.稿件须经作者单位保密审查,并提供加盖公章的保密审查证明。.请勿一稿多投,来稿在两个月内未答复作者,即未被录用,恕不退稿。
  • 摘要：To improve the performance of spectrum sensing for cognitive radio (CR), a novel sensing algorithm based on the determinants of autocorrelation matrix is presented. The difference between de- terminants is employed as the test statistic, the method is blind without any priori knowledge including signal information or the noise power, even the precise synchronization is not required. Thus, this method is applicable more abroadly. Simulation results demonstrate that the proposed sensing algo- rithm outperforms the energy detection with different noise uncertainties. What' s more, the method proposed is not influenced by the noise uncertainty and has a low computational complexity.%为了提高频谱感知性能,提出一种基于自相关矩阵行列式的频谱感知新方法,通过授权信号与噪声信号行列式的不同构建统计量。该方法无需信号先验信息、噪声功率信息与精确同步,是一种适用性更强的盲感知算法。仿真表明,与能量检测算法相比,该方法能够取得更好的检测率,且具有复杂度低、不受噪声不确定性影响等优点。
  • 摘要：基于网格的聚类算法是雷达信号预分选领域的一种常用方法。针对现有网格聚类算法需要人为确定网格划分、边界处理精度低的问题,提出一种改进的网格聚类算法,该算法对输入雷达信号脉冲顺序不敏感,根据网格数据压缩率自适应确定网格划分和密度阈值。仿真实验验证了算法的有效性和抗噪声能力。%The grid clustering algorithm is a tradition method in radar signal pre-sorting. It has some problems, such as grid artificial plotting and low clustering precision. This algorithm is improved, which could partition the grid and gets density threshold automatically by grid data compression ratio. And the improved algorithm has a low sensitivity to the order of radar signal input. The method is ver- ified to be effective and better robustness to noise through the simulation.
  • 摘要：Specific radar emitter signal sorting and recognition is the critical segment of signal process- ing from complex signal environment. With the foregone information of minatory complex signals, the principle of time series comparability in data mining field and the technique of slip window are intro- duced. So a new method of fast matching for the pulse changes of several parameters radar signal is given. With the experiments, it is showed that this method has quick recognition speed, powerful adapted environment ability and a good application foreground.%从密集复杂的信号环境中分选和识别出特定雷达辐射源信号是信号处理领域重要内容之一。利用威胁复杂雷达信号的先验信息,引入数据挖掘领域时间序列相似性快速匹配原理及其滑窗技术,提出了一种适于多参数联合变化雷达信号快速匹配识别方法。实验表明,该方法识别速度快,适应环境能力强,具有良好的应用前景。
  • 摘要：电子对抗正逐步由信号层向信息层发展,信道编码的识别成为信息截获领域一个重要的课题。针对（2,1,m）卷积码盲识别问题,提出了一种基于遗传算法的识别方法,该方法具有很好的容错性能和快速识别能力。最后,通过MATLAB仿真验证了该方法能够识别出卷积码的校验多项式,进而求得生成多项式。%The electronic warfare (EW) is developing from signal to information, channel coding recognition becomes a vital problem in information interception. One method of recognition is pro- posed based on genetic algorithm in order to recognize the (2, 1, m ) convolutional coding. This method has the good performance of error-resilient and the ability of efficient recognition. At last, the simulation by Matlab proves that the parity-check polynomial could be recognized, and the generator polynomial could be calculated with the parity-check polynomial by this method.
  • 摘要：描述了一种基于高速DSP多信号脉冲序列产生和宽带直接频率合成的新型雷达信号环境模拟产生技术,实现了＂场景编辑＋DSP实时序列计算＋硬件高速波形产生＂的信号环境模拟架构,能够实现单部设备同时产生多部时域、频域、调制域组合变化的各种体制雷达信号。%A novel simulation technique of radar signal environment based on the high speed DSP mul-ti-signal pulse sequence generator is proposed, and also the wide band direct frequency synthesizer. A simulating architecture of signal environment is realized which is scene edition plus DSP real time se-ties calculation and hardware high-speed waveform generation, and is able to generate any type ofradar signal with different combination of time zone, frequency zone, modulating zone in independent equipment.
  • 摘要：A countermine simulation system is designed in complex electromagnetic environment, which is significant for cognizing the complex electromagnetic environment influence on operations. Firstly, the requirement and function of the system is proposed, and the structure and simulation flow is introduced. Then the conclusion is given it is helpful for cognizing the operation in the term of com- plex electromagnetic environment.%建立一个基于HLA复杂电磁环境下的红蓝对抗作战行动的仿真模拟系统,对于更好地认知复杂电磁环境对作战行动的影响,检验战法和作战行动方案的合理性,有很大帮助。首先对系统的需求和功能进行了分析,然后研究了系统的体系结构,最后介绍了系统的仿真流程,体现了它的实用价值。
  • 摘要：Due to the fact that the power meter only can measure the microwave signal with high level, and the measure distortion will occur when the pulse signal is tested by spectrum analyzer, the power measurement of low level UWB LFM signal is an unsolved matter in engineering. Based on the power measurement principle with spectrum analyzer and the theory of signal spectrum, a correction theory and method of low level LFM signal measure with spectrum analyzer is presented. The test shows the validity of the theory.%由于功率计只能测试功率较大的微波信号,频谱仪测试脉冲信号存在失真现象,因此低功率超宽带线性调频脉冲信号功率测试在实际工程中是一个待解决的问题。在分析频谱仪功率测试原理的基础上,通过对信号频谱及频谱仪测试机理的理论分析,提出了采用频谱仪对线性调频脉冲信号功率测试的修正方法,并进行了详细分析研究,实测数据检验了该方法的有效性,解决了宽带低功率线性调频脉冲信号测试的难题。
  • 摘要：An acquisition of pseudo-noise(PN) sequences using double threshold decision is present- ed. Its performance based on double dwell acquisition is analyzed. The best acquisition threshold is gained when the Gini index is minimum and the minimal acquisition time is got, which is proved by theoretical analysis and computer simulations.%基于二级驻留搜索策略提出了一种最优PN码捕获门限的设计方法,并分析了其主要性能。根据Gini指标进行门限值的设置。此门限设置采用最小决策树的思想,对数据进行分类学习,在获得最小Gini指标时的划分点即是最优捕获门限。此方法的最大优势是在较短的驻留时间内提高捕获概率。理论分析和仿真结果表明：此方法在获得最优捕获门限的同时,可获得最小捕获时间。
  • 摘要：Helicopters are low altitude and relatively low speed flight profiles compared with fixed-wing aircraft, and have large radar cross square signatures, so they should be equipped with electronic self- protection facility to improve combat survivability. Three combat scenarios and three assembles of EWSP are proposed for better efficiency and resource use.%直升机因为飞行高度较低和速度较慢,同时雷达反射截面积等特征较大,所以执行作战任务时面临很多威胁,为了提升它的战场生存力,装备电子自卫设备是重要手段之一。对作战场景、不同直升机平台能力,从较好的费效比和资源使用情况出发,提出三种军用直升机主要作战场景,配备三种对应的电子自卫设备组合以供探讨。
  • 摘要：介绍一种基于PC的PPI显示系统的设计与实现。为满足雷达回波实时显示的要求,研究了距离-方位极坐标与光栅显示直角坐标的快速转换算法;为实现传统PPI显示器荧光点余辉效应的模拟,提出了基于回波数据上报周期递减显示像素色深的方法;为满足叠加数字地图和航迹等信息的要求,提出了基于图层的显示数据管理算法。文中提出的设计和算法较好地满足了上述功能和性能要求,研究成果应用于某目标探测系统取得了较好的效果。%The design and implementation of PPI displaying system based on PC is described. The range-bearing polarizing coordination and raster displaying orthogonal coordination fast conversion al- gorithm is studied for real time displaying requirement of radar echo. Periodic echo data is applied to drive the descending of pixel color depth to satisfy fluorescence spots persistence vision analogue of traditional PPI display. Displaying data management based on layers is introduced for solution of over- lapping of digital map and trace. The design and algorithm described could meet the abovementioned function requirement. The research result is applied to some kind of detection system and works well.
  • 摘要：针对两维阵列数字单脉冲测角,提出一种改进的方法,首先完成一组无等效孔径变化效应的偏差测量,然后通过高阶多项式拟合进一步实现方位和俯仰联合测角,以改善测角误差性能.通过分析无等效孔径变化效应偏差角与方位和俯仰差之间的关系,得到了相应的测角方法；并通过仿真验证了该方法是有效的.
  • 摘要：主要研究了相干信号对干涉仪方位测量的影响,并对相干干扰效果进行了仿真分析.首先介绍了比相法测向系统测向原理及相干干扰机理；其次推导了相干干扰下干涉仪测向系统的方位测量公式,并在此基础之上提取出干扰效果方位测量误差评估因子；最后通过仿真分析了干涉仪测向系统相干干扰效果.

    电子信息对抗技术的期刊信息

    • 曾用名：电子对抗技术
    • 创刊时间：1986
    • 地区：CN
    • 语言：中文
    • 热门主题：中国电子科技集团公司第二十九研究所;电子信息控制重点实验室
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    • 期刊栏目：信号/信号处理；系统技术；仿真/评估；天线技术；工程应用
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