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In this paper, a novel algorithm is developed for the design of minimum-phase FIR filters with sparse impulse responses. Traditional minimum-phase FIR filter design approaches are based on autocorrelation sequences of impulse responses and design problems are formulated as a semidefinite program. To achieve sparse designs, l1 norm of filter coefficients is incorporated in the objective function as...
The power spectral density function and the ambiguity function(AF) properties of Combination of Chirp Modulation and Pseudonoise Phase Modulation (PN-chirp) pulse signal is analyzed. According to the AF definition of a given finite energy signal, the AF of PN-chirp signal is deduced, and the autocorrelation function of the signal is also obtained. The AF of PN-chirp signal and Pseudonoise Phase Modulation...
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