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A method of achieving integrated microspectrometer with small size, high-energy efficiency, and high spectrum resolution is proposed. This spectrometer utilizes the single-pixilated liquid crystal (LC) and a matched sparse representation algorithm. The properties of compact size and high-energy efficiency are benefit to the configuration of single-pixilated LC which forms a filter array in the time...
The terahertz filters with multi-layered metamaterials are proposed and fabricated with the negative photoresist as isolation layer. The influence of the relative positions between the different layers to the electromagnetic resonance is discussed by experiment, which reveals that filter frequency is strongly related to the coupling between the different layers. The reason of the influence is theoretically...
To transfer source polarization state in the terahertz time-domain spectrum (THz-TDS) system, the metamaterial constituted by the array of anisotropic metallic circle split ring structure is proposed. With the anisotropism of this structure, the different resonant is excited, which cause the different equivalent refractive index and different transmission phase in the orthogonal directions. The anisotropic...
Terahertz technology provides wide range applications and graphene has appeared as a highly promising material to control terahertz wave. Here we propose a terahertz amplitude modulator which consists of a single-layer graphene and subwavelength metal structure surface (SMSS). Graphene is core regulatory elements which controls the terahertz wave by means of tuning Fermi level in graphene. SMSS acts...
This article integrated reinforcement learning with fuzzy logic method for AUV local planning under the strong sea flow field. A fuzzy behavior is defined to resist the sea flow by giving a extra angle towards sea flow. And Q-learning is used to adjust the peak point of fuzzy membership function of the resisting sea flow behavior. This behavior is complemented by two other behaviors, the moving-to-goal...
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