STANDARD BRIEFING FOR VISITORS INDRA-II (PC) POINTS TO BE COVERED SYSTEM CONFIGURATION NOVEL FEATURES TECHNICAL PARAMETERS SUBSYSTEMS ECCM FEATURES LIMITATIONS INTRODUCTION INDRA-II (PC) Stands for Indian Doppler Radar Mark II with Pulse Compression It is Highly Mobile Radar, designed for detection of low level targets It incorporates State Of Art Technology It is 2D Radar with maximum detection range of 90 km and max height coverage of 3 km SYSTEM CONFIGURATION The System Consists Of 4 Vehicles One vehicle houses AE assembly with one DG set, No two vehicles carry shelters, one for Tx / Rx & Other for Control & Display cabin. One of the vehicles carry DG sets and a spare shelter. The system has three DG sets,6 Air Conditioners and two LUP322 RT sets with a RT recorder NOVEL FEATURES The system uses Doppler technique which is used in advanced version of radars for clutter elimination. It has integrated IFF system for detected targets immediately. Electronic Identification of The system has Built in Test facility which maintains on line check of system serviceability There are two color PPI display consoles known as Multi Function Consoles, which provide Synthetic display of both radar echoes and associated data The Radar Data Processor (RDP) generates synthetic display only for moving targets it is one of the advanced technology used for the purpose. The video mapper facility enables the user to feed and store area map with different symbols and features . A total of 10 such maps can be fed and stored. The operator has the choice to select one or more maps at a time as per requirement There is a facility to select range scale of 90km, 50km, 25km & 12.5km as per the operator’s requirement. BRIEF TECHNICAL SPECIFICATIONS ANTENNA • TYPE • • • • • • • : 3 SECTION , DOUBLE CURVATURE MESH TYPE REFLECTOR COVERAGE : NEAR COSEC2 IN ELEVATION BEAM WIDTH : 3 DEGREES SIDE LOBES : BETTER THAN 23 Db DUAL BEAM : LOW BEAM FOR TRANSMIT AND RECEIVE HIGH BEAM FOR RECEIVE ONLY POLARIZATION : HORIZONTAL – PRIMARY VERTICAL - IFF SCAN RATE : 12.75 RPM MAST : HYDRAULICALLY ELEVATABLE BY VEHICLE PTO TRANSMITTER • • • • • • • • • RF FREQUENCY BW RANGE RESOLUTION RANGE ACCURACY AZIMUTH RESOLUTION AZIMUTH ACCURACY SCAN RATE TRACKING IFF • NETWORK CAPABILITY : L-BAND(12.5 – 13.5 GHZ) : 100MHz : 150 M : 50 MT RMS : 5° : 0.5° RMS : 12.75 RPM : 200 TARGETS : INTEGRATED MK-X UPGRADABLE TO Mk XI : TRANSMISSION OF TARGET DATA DETECTION RANGES ON IDEAL SITE AC Height 30m 60m 100m 150m 600m 900m 1800m 2100m 3000m Detection Range 31Km 37Km 41Km 44Km 75Km 90Km 90Km 90Km 90Km SUBSYSTEMS USER FRIENDLY FACILITIES FEATURES OF RDP Auto Initiation of tracks. Maintenance/Auto drop of tracks Association of Primary and Secondary tracks Interface with terminal for operator commands Data formatting and forward for remoteing on RS-422 for networking ON TOTE Time setting Hooking of tracks (4+1) for scan to scan updation of data Display of operating modes Four messages can be displayed Position of track ball Additional Two type maps can be ECCM FEATURES • FX CH REMOTELY SELECTABLE • FX AGILITY – FROM PULSE TO PULSE • • • • • • • • – CPI TO CPI WITH MTD – SCAN TO SCAN WITH MTD HIGH POWER TX FOR HIGH BURN THROUGH PRF STAGGER FACILITY WITH SELECTION – CPI TO CPI – SCAN TO SCAN LOW ANTENNA SIDE LOBES JAMMER STROBE PRESENTATION SECTOR BLANKING OF TX & RX MINIMUM OF TWO PRFS ARE TRANSMITTED IN EACH BEAM DIGITAL SIGNAL PROCESSING EFFICIENT CFAR LIMITATIONS HT NOT AVAILABLE LIMITED HT COVERAGE (ONLY 3KM) POOR AZ RESOLUTION SYNTHETIC TRACK DROPS DURING HARD TURNS PERFORMANCE IS LIKELY TO BE AFFECTED IN CASE HIGH POWER BRUTE JAMMING POOR SYSTEM DOCUMENTATION VERTICAL MOUNTED ACS PROXIMITY OF TX SHELTER