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Compared with optical remote sensing images, PolSAR images is hard to be interpreted by human eyes. In order to improve the visual interpretability and automatic interpretation, an effective resynthesis framework is developed in this paper to highlight the interesting targets for PolSAR images. The resynthesized images are constructed by the method similar with polarization synthesis which inputs...
In this paper, we propose a new method for unsupervised classification of polarimetric synthetic aperture radar interferometry (PolInSAR) images based on Shannon Entropy Characterization. Firstly, we use polarimetric H (entropy) and a parameters to classify the image initially. Then, we reclassify the image according to the span of Shannon Entropy Characterization. Finally, we fuse the results of...
In the past two decades, phononic crystals (PCs) which consist of periodically arranged media have attracted a lot of interests due to the existence of complete frequency band gaps and maneuverable band structures. Recently, Lamb waves in thin plates with PC structures started to receive increasing attention for their potential applications in filters, resonators, and waveguides. This paper presents...
Cognitive radio (CR) is proposed to automatically detect and exploit unused spectrum while avoiding harmful interference to the incumbent system. In this paper, we emphasize the channel capacity comparison of a CR network using two types of multicarrier communications: conventional Orthogonal Frequency Division Multiplexing (OFDM) with Cyclic Prefix (CP) and Filter Bank based MultiCarrier (FBMC) modulations...
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