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首页> 外文会议>International Radar Conference >Steady-State Filter Design for Radar Tracking with Up-Chirp-Down-Chirp Waveforms
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Steady-State Filter Design for Radar Tracking with Up-Chirp-Down-Chirp Waveforms

机译：上Chi下Down波形用于雷达跟踪的稳态滤波器设计

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摘要

The up-chirp (UC) LFM waveform is known to give better radar tracking than a monotone waveform or a down-chirp LFM waveform. However, the question of the value of other LFM waveforms to tracking is raised. In this paper, the value of an up-chirp-down-chirp (UCDC) waveform to radar tracking is considered. The optimal steady-state filter for tracking a nearly constant velocity target with an UCDC waveform is investigated and compared to that for a standard UC LFM waveform. The filter gains and state covariance are shown to be defined by Discrete White Noise Acceleration (DWNA) tracking index, the sample period, normalized pulse length, and the normalized range-doppler coupling coefficient. After developing the steady-state gain and covariance relationships for tracking with an UCDC waveform, tracking performances with UCDC and UC waveforms are compared. The UCDC waveform is shown to give a decrease in track filter covariance.
机译：众所周知，上调（UC）LFM波形比单调波形或下调LFM波形具有更好的雷达跟踪能力。然而，提出了其他LFM波形的值要跟踪的问题。在本文中，考虑了向上线性调频-向下线性调频（UCDC）波形对雷达跟踪的值。研究了用于跟踪带有UCDC波形的几乎恒速目标的最佳稳态滤波器，并将其与标准UC LFM波形的稳态滤波器进行了比较。滤波器增益和状态协方差显示为由离散白噪声加速（DWNA）跟踪指数，采样周期，归一化脉冲长度和归一化范围多普勒耦合系数定义。在开发了用于跟踪UCDC波形的稳态增益和协方差关系之后，比较了UCDC和UC波形的跟踪性能。所示的UCDC波形使跟踪滤波器的协方差减小。

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