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A new radio ranging system based on pseudo-random binary-phase code and linear frequency combined modulation is presented. An improved signal processing method of the correlation detection of cyclic autocorrelation function is given and applied to the ranging system. It is proved to be equivalent to the spectral correlation method. The ranging performance and anti-noise ability are simulated and analyzed...
In conventional optical data transmission schemes, electrical filters and/or optical filters are used to improve the quality of system performance. In this paper, improved design of dense wavelength division multiplexing (DWDM) optical systems is achieved by using a selective electrical filter assignment method. The methodology objective is to optimize system design and mitigate the effects of fiber...
Ultra-wideband (UWB) systems possess several distinct features such as very high data rate, large multipath or frequency diversity and improved ranging precision while requiring low-power low-complexity transceivers. Among the different modulation schemes, differential PSK is an attractive option because it does not require channel estimation, and hence reduces implementation complexity. This paper...
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