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Terahertz (THz) linear-to-circular (LTC) polarization conversion plays a crucial role in imaging and 6G wireless communication. This paper will give an account of a thermally tunable THz LTC polarization converter by using the active all-dielectric metasurface. It consists of zirconium oxide (ZrO2) microsphere resonators, active strontium titanate (STO) cladding, and flexible polyimide substrate....
Alamouti derived a two-branch transmit diversity scheme for channels without inter symbol interference (ISI) in [1], which provides full space diversity. In order to handle with the corresponding situation when the channel suffers from ISI, a novel transmit diversity scheme applicable to frequency selective channel is proposed. With zero correlation zone (ZCZ) complementary codes, both full space...
To confront the ISI caused by multipath in spread spectrum system, we proposed a hardware architecture of LMS equalizer based on FPGA using parallel processing, which greatly increased the number of iterations in a limited period, and accelerated the convergence of the algorithm. At the same time, the multiplier and the divider was optimized by using the internal hardware multiplier. Simulation results...
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