Abstract
This paper studies the design problem of delay lines in Transmitted-Reference Ultra-Wideband (TR-UWB) systems based on a new evolutionary scheme named Stepping-Dichotomy/Differential-Evolution (SD/DE) algorithm. The group delay response, required for the pass-band as an objective of the delay line, is approximated by using a new nonlinear optimization method under a maximin criterion. The procedure is rather generic, applicable to arbitrary bandwidths, delays, and distortions. Moreover, the approach is very convenient for calculating the least-order delay line, therefore especially suitable for real applications.
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This research was supported by the Hong Kong Research Grants Council under Grant CityU1117/10E and by the NSF of China under Grant 60972053.
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Xu, Z., Wang, L. & Chen, G. Designing Delay Lines Based on the SD/DE Algorithm for Transmitted-Reference Ultra-Wideband Systems. Circuits Syst Signal Process 30, 1313–1328 (2011). https://doi.org/10.1007/s00034-011-9276-y
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DOI: https://doi.org/10.1007/s00034-011-9276-y