RCReinforced Concrete Abstract JRC has applied the radar technology cultivated for years to marine radar, vessel traffic management system, meteorological radar, airport surveillance radar, reinforced concrete radar and special radar, etc. and has offered the equipment widely along the customer needs : support for safety navigation of a ship or an airplane, disaster prevention, and nondestructive search, etc. Here, it first introduces the evolution of the radar development of JRC, and, next, the trend of the radar technology is described. RoHS 1939 1941 1 No.60 2011-13
1 1990 4 1 S/X 1 222 2.2 10 3 3 No.60 2011-14
5NKE-1125-6 -40dB/ dec roll-off 6S JMA-9172-SA LDMOS-FET250W DDSDirect digital synthesizer 3GHz GH 30GHz 30kW S X MTIMoving Target Indicator MTI MTI 7 No.60 2011-15
CFAR Constant False Alarm Rate 8 FFT S/C 3 3 No.60 2011-16
AISAutomatic Identification System 9 VTMSVessel Traffic Management sysytem 3 CCTV Closed Circuit TelevisionVHF VTMS K DP Quality Flag VVPVolume Velocity Processing 10 11 Ethernet No.60 2011-17
AIS : Automatic Identification System ASR : Airport Surveillance Radar CAN : Controller Area Network CCTVClosed Circuit Television CFARConstant False Alarm Rate CRT : Cathode Ray Tube DDSDirect digital synthesizer FFT : Fast Fourier Transform GHQ : General Headquarters IMO : international Maritime Organization LAN : Local Area Network LDMOS-FETLaterally Diffused MOS-FET MED : Marine Equipment Directive MTIMoving Target Indicator PPI: Plan Position Indicator RCReinforced Concrete SSRSecondary Surveillance Radar VTMSVessel Traffic Management System VVPVolume Velocity Processing 1"Practical Active Phased Array Antenna is the Assembly of Sub-arrays with Partial Drive Technique", 2009 International Symposium on Antennas and Propagation (ISAP) 1951GHQ1952 NMD-40112 1 X30kW5 12CRT 31953 30kW 3/5 7CRT3 NMD-411 1963 2 JMA-123 CRT PPIPlan Position IndicatorTVCRT 1986 JMA-777 JMA-3726 JMA-7750 19901SX 2JMA-8122 1996 1.5kWRADAR1000JMA-1010 7,000JRC CPU 2003 JMA-90012 2 7CANLAN No.60 2011-18
2008S MED Marine Equipment Directive 1950 10cm250kW 1951 3cmA PPIRHIRange Height Indicator NMD-451131954 1977JMA-224 1980 1JMA-225 81995 1981JMM-1 1990 1994 15 1988 JMA-42 1 1995 JMA-79 7m FFT 2 2008 JMA-500 240 2008 JMA-247MP K DP R ZK DP 1960 ASR Airport Surveillance RadarSSR Secondary Surveillance Radar SSR ASR1967 ASR No.60 2011-19
No.60 2011-20 ASR1972 ASR-69 ASR-74ASR-82ASR-91ASR-2000 10 2003GaAsFETAB 20048 200 9740MHz 197850kw9 JMA-8001 1980 JMA-9 1985IMOA.57814 VTMS VTMSVTMS 1982 19831983 IMO IMO 1987VTMS1991 VTMS1993VTMS1995 PC PCI VTMS RC X RC 1988 RCJEJ-60A 19991/10 RCNJJ-85A 2003 NJJ-95A 2006NJJ-95B 2009 NJJ-10514 300 2300MHz