Method of operating a digital radar or sonar apparatus

摘要: A radar or sonar system amplifies the signal received by an antenna of a transducer is amplified and then subject to linear demodulation receiver. There may be anti-aliasing filter analog-to-digital converter between amplifier The also have digital processor with network stack running in processor. That interface media access controller, where operates at different ranges, modulator produce pulses two pulse patterns differing duration inter-pulse spacing, those are introduced used form images being derived from data acquired not more than twenty times larger for system, one half resolution time. One look-up tables control amplifier. generate output which comprises greater eight levels video.