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Efficiency Estimation of Discrete Algorithms for Adaptation of Weight Coefficients in Space-Time Processing of Radar Signals

机译：雷达信号时空处理对重量系数的分立算法的效率估计

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摘要

A comparative analysis of the efficiency of adaptive spatial filters with different methods of classified training sample formation under conditions of simultaneous exposure to active noise and passive interference is carried out. Based on the proposed methodology, analytical calculations of the changes in interchannel phase shifts for discrete algorithms for the adaptation of the weight coefficients of the spatial filter in various modes of operation of the 36D6 radar are carried out. It is shown that interchannel phase desynchronization/error arise at pause intervals in the adaptation of weight coefficients during antenna system scanning. The magnitude of these desynchronizations depends on the angular velocity of the antenna system rotation and on the repetition period of the radar pulses. An estimation of the suppression coefficient realized at the end of the pause in the adaptation of the weight coefficients taking into account the interchannel phase desynchronization is carried out. The recommendations on the choice of the formation method of the classified training sample under the conditions of the combined interferences are considered taking into account the losses that arise in case of discrete adaptation of the weight coefficients of the spatial filter.
机译：进行了在同时暴露于主动噪声和无源干扰的条件下用不同分类训练样品形成的自适应空间滤波器效率的对比分析。基于所提出的方法，进行了用于适应36D6雷达的各种操作模式的空间滤波器重量系数的离散算法的间隔相位变化的分析计算。结果表明，在天线系统扫描期间的重量系数的适应时，在暂停间隔时出现间隔相位去同步/错误。这些去同步的幅度取决于天线系统旋转的角速度和雷达脉冲的重复周期。考虑到考虑InterChannel相位去同步的权重系数的适应结束时，在暂停结束时实现的抑制系数的估计。考虑到在空间过滤器的重量系数的离散适应情况下出现的损失，考虑了在组合干扰条件下进行分类培训样本的形成方法的建议。

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