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The Development of Advanced Spread Spectrum LFM Waveforms for Enhanced SAR and GMTI

机译:用于增强SAR和GMTI的高级扩频LFM波形的开发

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Advanced spread spectrum linear frequency modulated (LFM) waveforms are being developed for advanced capability synthetic aperture radar (SAR) and ground moving target indication (GMTI) applications. We have demonstrated by analysis and simulation the feasibility of these new type waveforms and are now in the process of implementing them in hardware. The basic approach is to combine a traditional LFM radar waveform with a direct sequence spread spectrum (DSSS) waveform, and then on receive to despread the return and capture the resultant LFM return for traditional matched filter processing and enhanced SAR and GMTI. We show the analysis, simulation and some preliminary hardware results.
机译:正在开发先进的扩频线性调频(LFM)波形,以用于先进的合成孔径雷达(SAR)和地面移动目标指示(GMTI)应用。通过分析和仿真,我们已经证明了这些新型波形的可行性,并且目前正在以硬件实现它们的过程中。基本方法是将传统的LFM雷达波形与直接序列扩频(DSSS)波形组合在一起,然后在接收时对返回值进行解扩,并捕获得到的LFM返回值,以进行传统的匹配滤波器处理以及增强的SAR和GMTI。我们展示了分析,仿真和一些初步的硬件结果。

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