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R&D In Navy Phased Array Radar

R&D In Navy Phased Array Radar. Dr. Michael A. Pollock Office of Naval Research, ONR 312 Surface and Aerospace Surveillance National Symposium on Multi-function Phased Array Current State of Military Investments in Phased Array Radar October 11, 2007. Navy Phased Array Radar Highlights.

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R&D In Navy Phased Array Radar

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  1. R&D In Navy Phased Array Radar Dr. Michael A. Pollock Office of Naval Research, ONR 312 Surface and Aerospace Surveillance National Symposium on Multi-function Phased Array Current State of Military Investments in Phased Array Radar October 11, 2007

  2. Navy Phased Array RadarHighlights • Navy is conducting research and development (R&D) on phased arrays across a broad range frequency bands including S-band. • The primary application of S-band is volume surveillance from surface combatants. • Mission requirements, platform constraints and environmental challenges have motivated research solutions for high sensitivity, wide dynamic range and flexible time energy management. • The S&T strategy includes pushing hardware and software Open Architecture into the radar, not just the combat system.

  3. Surface Combatant Missions Volume Surveillance Ship Self-defense Volume Functions Volume Search • High Power Discriminator (X-Band) Volume Search Air Control High Power Discrimination Aircraft Control Long-Range Search Missile Track / Mid - Course Communications Electronic Protection • Solid State SPY (S-Band) Periscope Detection Track While Scan Surface Search Horizon Search Target Track • MFR • Horizon Search • Missile Illumination Horizon Functions Target Illumination High power, multi-function radar (X-band) High power, S-Band Advanced Radar (SBAR)

  4. ASN (RDA) OPNAV RADAR RESOURCE STUDY TECHNOLOGY ROADMAP RARST ROSA Navy Radar Roadmap Studies Current Fleet Radars Near-Term (2000-2005) Mid-Term (2005-2012) Far-Term (2012+) TBMD / Area AAW SPY-1 A SPY-1 B SPY-1 D TAMD Radar Suite (Solid State S-Band, HPD-X) SPY-1B,D(V) Area TBMD Radar Upgrades NTW Radar Upgrades Air Search Radars SPS-40 SPS-49 SPS-52 SPS-48C SPS-49A SPS-48E SPS-48E VSR VSR MK-23 TAS Fire Control Radars MK-95 SPQ-9 CAS / STIR SPG-60 SPQ-9B MFR MFR SPG-62 Air Traffic Control Radars SPN-43 SPN-41 SPN-46 Studies point out the need for next generation radars to neck down for life cycle cost savings, and to modernize so that US forces will not face 2020 threat with 1960s technology

  5. Navy Phased Array Evolution Passive Array ActiveElement Digital Array Analog Beamformer T/R T/R T/R T/R T DDS R A/D T DDS R A/D T DDS R A/D Analog Beam Former High Power Amplifier LNA Digital Beam Former Waveform Generator Rec. A/D Rec. A/D Waveform Generator Waveform Controls & Clocks • Future Radar • Digital Beam Forming • Multi-beam operation • Flexible time energy management • Power Aperture Gain Improvement • Large high power aperture AEGIS AN/SPY-1 (Currently Deployed) VSR (Current Acquisition)

  6. Open Architecture Breakout Process Synchronous Radar Data over Asynchronous COTS Networks Navigation System (NAV) Combat System (CS) NAV CS Radar Controls & Status NAV Data Processed Data RCPS (CARP) Source Clock & Local Oscillator Radar Control Processor Subsystem (RCPS) Radar Operation Administrative Commands and Status Transmit Waveforms Processed Data Element Data Beam Data AS (Future) DREXS (DAR) DBFS (CARP) DSPS (CARP) HMIS (CARP) Received Echo Signals Antenna Subsystem (AS) Digital Receiver/ Exciter Subsystem (DREXS) Digital Beamformer Subsystem (DBFS) Digital Signal Processor Subsystem (DSPS) Human-Machine Interface Subsystem (HMIS) Specified hardware & software subsystem interfaces enable multiple vendor, rapid tech refresh and program re-use

  7. DREX OA Developments X-Band DREX X-Band Multiple Digital Receiver Exciters One Common Interface C-Band C-Band DREX Three S-Band DREXs S-Band Down Select VHF through S-Band Affordability / Miniaturize Wideband DREX

  8. OA Digital Beam Forming Fiscal Year 03 04 05 06 07 Build : 1 2 3 4 5 Chg Channels/Board: 4 4 4 4 12 3x Boards: 1 2 6 18 9 Channels: 2 4 22 56 108 50x Beams: 1 2 4 16 16 16x Cost/Channel: $10K $10K $5K $5K $2.3K 25% Size/Channel: 1U 1U 0.25U 0.25U 0.1U 10% All interfaces are Ethernet Ongoing Improvements to Size, Cost, and Capability

  9. Open Back End Processing Resource Scheduler 10GB Network Switch Blade Processing

  10. Doppler / Detection 1 Doppler / Detection 2 Doppler / Detection N Open Architecture DSP Gig-E Gig-E Gig-E Gig-E Gig-E Gig-E PC 1 PC 2 PC M Radar Control Server bc635 Time Card Gig-E Gig-E Gig-E Gig-E Gig-E Gig-E Gig-E Gig-E GUI Display Server DSP Interface Server DSP Scheduler Board Force 10 Switch 10 Gig-E 10 Gig-E 10 Gig-E 10 Gig-E Gig-E Gig-E Gig-E Gig-E bc635 Time Card Switch 1 Gig-E DDM Interface Server Gig-E Gig-E bc635 Time Card Display 1 Gig-E To DDM’s, Dual-Bonded 1 Gig-E To Each Server

  11. Navy PAR and MPARSynergy/Differences • NPAR and MPAR have in common elements of: • T/R Electronics • Digital Receiver Exciter • Signal Processing and Controls • Digital Beam Forming • NPAR and MPAR have different: • Installations restrictions • Performance requirements • Mission requirements • Procurement quantities • A well defined OA would allow greater opportunity for re-use across the government programs. • It must support the cost and requirements sensitivities of all customers – not clear this is possible. • It should result in cost savings.

  12. Navy Phased Array RadarSummary • The primary application of S-band radar technology is volume surveillance. • The Navy is supporting on-going S-band technology base and affordability development. • There are differing mission requirements, platform constraints, environmental challenges, and cost constraints between NPAR and MPAR. • The Navy S&T strategy includes pushing hardware and software Open Architecture into the radar, not just the combat system.

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