| 摘要 |
FIELD: radiolocation. SUBSTANCE: radar receiver with digital heterodyning includes quartz generator, reference signal former, two digital adders, trunk of parallel information, n receiving channels each comprising analog adder and coherent receiver with digital output. Coherent receiver with digital output has decoder, unit of resonance amplifiers with automatic gain control by time, two synchronous converters, two low-frequency filters, two analog-to- digital converters, phase inverter, digital heterodyning device and permanent storage. EFFECT: provision for digital heterodyning of processed signal, expansion of dynamic range of radar receiver and increased accuracy of digital correction of quadratures of received signals. 1 dwg |
