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Range-Doppler Resolution of the Linear-FM Noise Radar Waveform

机译:线性FM噪声雷达波形的距离多普勒分辨率

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This research considers the linear-FM (LFM) of a noise radar waveform for resolving targets when channel noise and four popular radar sidelobe weighting functions are considered. By using large time-bandwidth products and systematically varying the phase scaling factor $kappa$, results from the digital matched filter output provide evidence that the LFM noise waveform 1) has range-Doppler resolution similar to conventional chirp waveforms and 2) has a low probability of intercept (LPI) similar to random noise waveforms. We acquire the results using a computer-based simulation and verify the location of target peaks using the chirp waveform output for both stationary and moving target cases.
机译:当考虑信道噪声和四个常用的雷达旁瓣加权函数时,本研究考虑了用于解决目标的噪声雷达波形的线性FM(LFM)。通过使用较大的时间带宽乘积并系统地改变相位比例因子$ kappa $,数字匹配滤波器输出的结果提供了LFM噪声波形1)具有与传统线性调频波形相似的范围多普勒分辨率,以及2)具有较低的低频率多普勒分辨率的证据。类似于随机噪声波形的截获概率(LPI)。我们使用基于计算机的仿真来获取结果,并使用线性和线性调频波形输出针对固定和移动目标情况验证目标峰的位置。

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