FIELD: oceanic radar monitoring. SUBSTANCE: surface seaway meter has turner, antenna, transceiver, synchronizer, antenna angular position indicator, electronic key, gate-pulse driver, integrating unit, delay network, pulse fall-time discriminator, azimuth selection unit, frequency divider, multichannel accumulator register, delay line, analyzer, recording unit, DC voltage source, comparator, pulse generator, AND gate array, programmable counters, electronic keys, AND gate, electronic key. EFFECT: increased measurement accuracy. 3 dwg
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Authors
Dates
1994-08-30—Published
1990-11-11—Filed