190
10 Multi-channel Radar Systems
Fig. 10.8 Block diagram of a multi-frequency surveillance radar. CO—coherent oscillator; FMB—
frequency multiplier block; MB—mixers block; M—modulator; PA—power amplifier; DCU—
digital control unit; DSULFM—digital synthesis unit of LFM signal; Crl—circulator; FC—
feeder circuit (path); AS—antenna system; ADM—antenna drive mechanism; APS—angular position sensor; LNA—low-noise amplifier; IFA—intermediate-frequency amplifier; ADC—analog-todigital converter; DPU—digital processing unit; STP—signal transmission path; ICS—integrated
control system
Fig. 10.9 Timing diagram of signal from circulator output
10 Multi-channel Radar Systems
Fig. 10.8 Block diagram of a multi-frequency surveillance radar. CO—coherent oscillator; FMB—
frequency multiplier block; MB—mixers block; M—modulator; PA—power amplifier; DCU—
digital control unit; DSULFM—digital synthesis unit of LFM signal; Crl—circulator; FC—
feeder circuit (path); AS—antenna system; ADM—antenna drive mechanism; APS—angular position sensor; LNA—low-noise amplifier; IFA—intermediate-frequency amplifier; ADC—analog-todigital converter; DPU—digital processing unit; STP—signal transmission path; ICS—integrated
control system
Fig. 10.9 Timing diagram of signal from circulator output