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Research of 3-D deceptive interfering method for single-pass spaceborne InSAR

机译：单通道星载InSAR的3-D欺骗性干扰方法研究

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摘要

The traditional synthetic aperture radar (SAR) deceptive jamming can effectively create false targets or deceptive scenes in the SAR image. However, such deceptive capability could be significantly reduced or denied by single-pass SAR interferometry (InSAR). To achieve effective deception on InSAR, the impact of SAR deceptive jamming on single-pass spaceborne InSAR is analyzed. Then, a novel fast 3-D deceptive jamming algorithm based on multiple jammers is proposed. In this method, the specific geographic locations of two jammers are first determined by the limiting conditions. Next, the expected terms for the two jammers are generated based on the deceptive phase and the relative positions of antennas and jammers. Finally, the deceptive templates are decomposed into two parts, one of which is preproduced while the other is generated by real-time modulation. After convolving those deceptive templates with the intercepted signals, the transmitting signals of the two jammers are created. The proposed method will generate false scenes in two single looking complex (SLC) images, resulting in a false phase of the interferogram and producing a deceptive digital elevation model (DEM). The effectiveness of the proposed method is validated by computer simulations.
机译：传统的合成孔径雷达（SAR）欺骗性干扰可以有效地在SAR图像中创建虚假目标或欺骗性场景。但是，单次SAR干涉测量（InSAR）可能会大大降低或拒绝这种欺骗能力。为了实现对InSAR的有效欺骗，分析了SAR欺骗性干扰对单程星载InSAR的影响。然后，提出了一种基于多重干扰的新型3-D快速欺骗干扰算法。在这种方法中，两个干扰器的特定地理位置首先由限制条件确定。接下来，根据欺骗相位以及天线和干扰器的相对位置，生成两个干扰器的预期项。最后，将欺骗性模板分解为两部分，其中一部分是预先制作的，而另一部分是通过实时调制生成的。将那些欺骗性模板与截获的信号进行卷积后，将创建两个干扰器的发送信号。所提出的方法将在两个单看复杂（SLC）图像中生成虚假场景，从而导致干涉图出现虚假相位并生成一个欺骗性的数字高程模型（DEM）。通过计算机仿真验证了该方法的有效性。

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