Communications: directive radio wave systems and devices (e.g. – Determining distance – With pulse modulation
Patent
1995-10-03
1997-01-28
Pihulic, Daniel T.
Communications: directive radio wave systems and devices (e.g.,
Determining distance
With pulse modulation
342129, G01S 1324
Patent
active
055981658
ABSTRACT:
A method of controlling the transmission of a number of radio-frequency pulses having different frequencies in a radar device. The time interval between two consecutively transmitted pulses is determined by a pulse repetition frequency. The total number of radio-frequency pulses is distributed between at least two groups, each group comprising a number of pulses having different frequencies. Each group is repeatedly transmitted a number of times in succession. The time interval between two transmitted pulses having the same frequency in a group is determined by the number of pulses having different frequencies in the group.
REFERENCES:
patent: 4851848 (1989-07-01), Wehner
patent: 5068666 (1991-11-01), Voles
patent: 5227796 (1993-07-01), Arvidsson
patent: 5347283 (1994-09-01), Krizek et al.
E. L. Titlebaum et al., "Ambiguity Properties of Quadratic Congruential Coding," IEEE Transactions on Aerospace and Electronic Systems, vol. 27, No. 1 (Jan. 1, 1991).
Donald R. Wehner, "High Resolution Radar", chapt. 5, Synthetic High-Range-Resolution Radar (1987).
Jonsson S. Roland
Winberg H. P. Erik
Pihulic Daniel T.
Telefonaktiebolaget LM Ericsson
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