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UWB vehicular radar has the potential to be a powerful tool in improving vehicle safety. The Gaussian monocycle pulse, commonly used in the UWB vehicular radar system, can not satisfy the bandwidth constrains. So a new pulse shape based on wavelet is presented, which selects factors of Morlet wavelet to meet the FCC spectral mask by searching the peak frequency which lies in bandwidth between 22 and...
In the paper, pulse design methods for Ultra-wideband (UWB) system are presented. One method is a modified method based on prolate spheroidal wave function; the other is an improved wavelet-based pulse design, which changes the searching method from two dimensional random variables to one dimensional random variable. Simulation results show that both methods can generate pulse shapes which comply...
An improved wavelet-based pulse design for ultrawideband (UWB) system is presented. Under the constraint of the peak frequency fmax which lies in bandwidth between 3.1 and 10.6 GHz, the algorithm changes the searching method from two dimensional random variables (a, f0) to one dimensional random variable (fmax). Through the search of the peak frequency, the algorithm adjusts factors of Morlet wavelet...
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