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It is necessary to enhance the anti-jamming capability of Synthetic Aperture Radar (SAR) for ensuring its imaging performance. A new approach to suppress wide band noise interference (WBNI) based on dechirping and eigensubspace filtering was proposed in this essay, and computer simulations were performed. All results prove that this approach can effectively suppress WBNI with negligible signal distortion...
The performance of traditional noise interference to synthetic aperture radar (SAR) is limited and to some extent it is useless. A new SAR jamming realization scheme based on convolution modulation is proposed in this essay. Theoretical analysis was presented and simulations were executed. All results prove that the proposed jamming is effective to suppress distributed targets, and much superior to...
The principles of sensor networks, with inexpensive low-power, wireless, in-situ sensing, are today going underwater with acoustic communication. With large acoustic delays, new modems use techniques such as low-power wakeup tones to reduce energy otherwise wasted on idle listening, and recent applications and MAC protocols integrate tones in their operation. While all wireless data-networks suffer...
In this paper we propose a method that simultaneously performs image denoising and salient curve extraction among random dot patterns using tensor voting. Given an image containing random dots, the pixels are first converted into a set of tokens to be preprocessed by tensor voting, then the voting results are binarized and thinned by a morphological filter to extract the salient curves. At last the...
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