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In seismic acquisition if regular linear scanning signal is used for the vibroseis, seismic response will show large sidelobes and the resolution for the seismic response will be low, if using dualistic pseudorandom code as scanning signal for the vibroseis, the severe noise will be generated in seismic response section and the signal-to-noise ratio will be decreased. In this paper the ternary pseudo...
A Gaussian integer is a complex number whose real and imaginary parts are both integers. In addition, a sequence is defined to be perfect if and only if the out-of-phase value of the periodic autocorrelation function (PACF) equals zero. This paper commences by presenting a novel class of perfect sequences. The investigated perfect sequences are generated by two groups of base sequences with four base...
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