| http://www.w3.org/ns/prov#value | - A method for determining the range of a distant target, comprising the steps of:steering the phase control elements of an array antenna to direct the antenna beam toward the target; applying a sequence of pulses of carrier to said antenna for transmission, each of said pulses including a plurality of sequential subpulses, each of said subpulses being of carrier of monotonically changing frequency,
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