Application of stochastic probing radio signals for the range-velocity ambiguity resolution in Doppler weather radars
DOI:
https://doi.org/10.3103/S0735272714120036Keywords:
weather radar, sequence of incoherent stochastic radio pulses, uncertainty relation, uncertainty function, area of the uniqueness domain, frequency wobbling, Doppler spectrum, extended targetAbstract
Methods of expanding unambiguous measurement band of the range and radial velocity have been discussed on the basis of the uncertainty relation. The uncertainty function was derived, and properties of a sequence of stochastic radio pulses were analyzed. The use of the sequence of stochastic radio pulses for probing was shown to allow the problem of unambiguous measurement of the range and the estimation of the first three moments of Doppler spectrum of extended targets to be solved under conditions of the presence of “dead areas”.
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