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Monopulse Radar Seeker
Data Patterns has developed a High performance imaging and monopulse Radar for seeker applications. This is optimized for Land & Sea targets and has X-Band SAR (Synthetic Aperture Radar) based imaging capability. A range of Electro-Optical Seekers are under development.
Type : Monopulse
Material : Aluminum
Application : Industrial Use
Certification : CE Certified
Voltage : 220V
Power Source : Electric
Sound : Beep, Siren
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Scan Mirror Test
The Scan Mirror Test system is used for validating the linearity of the Scan Mirror Mechanism that is deployed on-board satellites. The system was a custom turnkey project in the electro optics domain. Scan Mirror is swept linearly by a mechanical scanning gimbal and this allows the optical sensor to take large field exposures of the target using a single dimensional array sensor on-board the satellite. The linear mechanical movement is important for achieving an imaging linearity of the satellite, utilizing a complete non contact electro optic technique. The test system utilizes a thermovac compatible 22Mpixel camera and a pulsed laser source to monitor the movement of the scan mirror and thereby compute the movements linearity. Micro radiant level resolution is achieved through pixel level estimation algorithms.
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Radar and Radar Subsystems
A variety of complete Radars and Radar Sub-systems have been implemented by Data Patterns. These include Airborne Central Unit for an Early Warning Radar which has been fully qualified to aircraft LRU standards, Tracking Radars, Phased Array Antenna Components, Wind profile radar, Coastal Surveillance etc.The Radars include technologies pertaining to: Radar Signal Processing Transmitters LFM (Linear Frequency Modulation) and Phase Shift coding Complementary codes, Barker codes and Spano codes Transmit Waveform Generation Low Noise Receivers Digital Down Conversion I and Q separation DDS, Digital filtering and decimation Pulse Compression – Matched filtering Doppler Extraction Clutter removal Target Tracking Algorithms Range Tracking and Angle Tracking α-ß Algorithms Kalman Filtering Phase Sensitive Detection – Angle Tracking Computation of Radar Products for Wind Profilers Power Spectra, Moments – M0, M1 & M2 Noise floor estimation Wind Speed & Direction, UVW RTI (Range Time Intensity) and VTI (Velocity Time Intensity) plots
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Power Supply
Power supplies of various ratings for Air, Naval ground based and space applications are developed. Products are implemented in VPX, VME, cPCI and custom form factor designs.Most products qualified to requirements of MIL-STD-461C and MIL-STD-810D or the equivalent JSS 55555 are designed and manufactured. Airborne versions are designed to meet MIL-STD-704D. Specific design constraints are handled with respect to long time storage life and suitability for air cooled or conduction cooled applications. Designs suitable for high power supplies of various ratings for Air, Naval, Ground based and space applications are developed. Products are implemented in VPX, VME, cPCI and custom form factors designs.
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Power Module Tester
The Power Module Checkout ATE is developed for testing DC-DC Power modules typically utilized in India's space program. The DC-DC converters are exhaustively tested for all design parameters including supply voltage range, line and load regulation, efficiency, ripple, noise, transient response and so on. Special power sources and loading mechanisms are deployed to enable testing of various types of power modules.
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navigation system
Data Patterns has designed and manufactured Fibre Optic Gyro based Inertial measurement units for under water applications with all algorithms including Kalmann filters and co-ordinate transformations implemented.
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Naval Systems
A number of Naval products have been designed, qualified and delivered to Naval Shipyards including Garden Reach Shipbuilders & Engineers Ltd (GRSE) and Mazagon Dock Limited (MDL)Some systems have been supplied to M/s. Bharat Electronics Limited. Some Oceonographic systems have been supplied for scientific research purposes.
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Nano Satellite
Small Satellites especially the Micro and Nano Satellite can significantly contribute towards the development of the country by accessing space at much lower cost and quick turnaround time.Data Patterns has designed and developed standard off-the-shelf products for Nano satellite bus suitable for Low Earth Orbit (LEO) satellite missions. These nano satellite platforms are ideal for scientic and educational payloads. The sub systems were designed in PC104 form factor and has standard interface for easy integration. Most of sub systems are proven in space, flown on NIUSAT, INS-1A, INS-1B & INS-1C satellites.
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Go No Go testers
Go No Go Testers are developed in portable formats. Typically these are utilized at 'I' Level and 'O' Level test requirements and clear the aircraft LRU for flight.
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Generic RF ATE
The Generic RF ATE is developed to test the Radar and Radar Subsystems. The ATE is primarily built using an instrumentation control, precision RF routing systems and rack mounted test instruments. Generic RF ATE system enables measurement of parameters of Radar equipment such as Local Oscillators, Waveform Generators, Up and Down Converters, Analog Receivers, Array Group Receiver Units, TR Modules. The ATE is configured to test the Radars upto 18GHz frequency range.
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fire control systems
Data Patterns has designed Fire Control Systems for Missiles, Decoys for Ground, Air and Naval Applications.
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fibre optics
Data Patterns utilizes Fibre Optic Communication for high speed data transfer requirements. Protocols such as Serial FPDP, Aurora, PCI Express, Gigabit Ethernet are implemented on Fibre Optic Medium. Solutions using DWDM and EDFA components for high density fiber optic communications solutions are implemented
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Electronic Warfare
Data Patterns has developed a line up of State of the Art Integrated solutions for spectrum monitoring, wideband searching, ECM & ESM, direction finding for Airborne and Ground Mobile Applications standard Products include VHF/UHF Search Receiver, HF Search Receiver, Monitoring Receiver & Jammers.
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Digital Flight Control Computer
The Digital Flight Control Computer is a Quadruple Redundant Flight Control Computer designed by DRDO and ADE and manufactured by Bharat Electronics Limited. Data Patterns has designed and manufactured the Automated Test Equipment required for the validation of this DFCC. Segregated into an Analog Test System and Digital Test System, relevant boards can be plugged in on the front of the ATE and tested for full functional performance. Specialised adaptors enable probing of the backplane signals and also carry out measurements on the board by manual probing for debugging requirements.
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Count Down Test System
The Second Launch Pad Count Down system is implemented using VXI hardware designed by Data Patterns specific to the application requirements, featuring a redundant system handling upto 14000 I/O points. The ATE monitors various aspects of the launch vehicle during this count down phase and assists in automating launch process. This product has been very reliable in operation since 2001. The ATE consists of precision analog input signal conditioners and digitizers and discrete as well as relay logic. One of the specialised modules used for fail/safe automation is an analog comparator which is programmable to carry out safety monitoring, independent of the software for fail/safe operation purposes. This world class system was implemented by Data Patterns against strong competition and proved it's reliability over many launches of the PSLV and GSLV from the Launch Pad.
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Console
Data Patterns has built system level consoles for number of programs. Naval Console for Missile Launch Applications Naval Consoles for Torpedo Launch Applications Console for land based Missile Launch Applications Satellite Ground Station Console Radar Operation Console for Tracking Radars Radar Operation Console for Coastal Surveillance Radar Operation Console for Automated Test Equipment Winch Operator Console for helicopters Data Patterns undertakes design and manufacturing services for consoles as per system level requirements.
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communication products
Data Patterns has standard communication products for most military protocols such as MIL-STD-1553B, ARINC-429, ARINC-708, RS422. A spread spectrum modem is available for both terrestrial and satellite communication requirements.These products are designed primarily for on-board interfaces in avionic systems and also for automatic test equipment requirements.The Communication modem products are primarily employed in datalink applications
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Cable Harness Test System
Data Patterns has built high reliability Cable Harness Test Systems for large installations. These are primarily used in launch vehicle aircraft and missile level cable harness test validation. Installations with upto 20,000 lines test capability at a single location have been supplied by Data Patterns. Portable version capable handling of as small as 384 points have also been addressed. The system features scalability from 128 lines to over 30000 lines portable large systems. It is implemented using : High Voltage Insulation Measurement Module High Voltage Matrix Switch High Voltage Relay Switch Precision Multimeter It is configured with : Central Control Station Distributed Slave Stations It measures : Continuity Wrong Connections Resistance Special Tests Diode Tests Relay / Manual Switch Assemblies control Shield Forced Current Isolation Insulation Cable capacitance
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Bus Management Unit
Solution to test redundant Architecture of BMU Comprehensive test system performing tests of > 3000 I/O's Special test circuits using hybrid / ceramic components to operate in Thermovac chamber Tests various subsystem functionalities like, AOCS, Sensor Electronics, Telemetry, Tele-command with Self test and application test software Satellite Sub systems tested are: Digital Telemetry Interface 1553B Interface Bit Error Measurement Simulator Digital Remote Multiplexing Unit Interface Analog Remote Multiplexing Unit Interface Event Timer Interface Deployment Timer Interface Telemetry - Analog Interface Telemetry - Digital Interface Digital RF Bit Interface Telemetry Play Back Interface
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Brahmos Missile Checkout System
Data Patterns designed and built the BrahMos Missile Checkout Equipment based on the requirements and support of DRDO and BrahMos. This unit validates the complete performance of the Missile through interfacing with it's umbilical and maintenance connections. The shelter mounted checkout equipment is utilized to test the articles on the field during it's life cycle, thus ensuring readiness for launch on demand. It comprises the power supplies, I/O interfaces, specific to type test equipment and VME based systems. This system has been designed for transportability and roadability as per the operational requirements.
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Avionics Suite Tester
Based on order from the Navy, Data Patterns developed the complete Automated Test Equipment required for validating all the Line Replaceable Units (LRUs) utilized in the Seaking Helicopter. The upgrade was carried out at multiple Naval bases in India. This engineering effort was fully validated and approved by the Quality Control Agencies for testing the flight critical LRUs and functioning of the LRUs on the aircraft. Data Patterns is one of the few companies in the world who has carried out the implementation of a full aircraft LRU Test system.
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Avionic Systems
Data Patterns has designed prototyped, qualified and manufactured a wide variety of products intended for airborne applications in manned and unmanned aircraft. Ranging from smaller unmanned vehicles and missiles to manned fighter aircraft, Data Patterns has the largest number of qualified LRUs designed in India from a single source. Incorporating the latest techniques from thermal engineering and mechanical ruggedisation, Data Patterns' products are ideally designed for the application. A captive manufacturing facility enables production with reliability. At the same time, planning and preparing for obsolescence management and providing long term support for manufacturability is the key philosophy with respect to the avionic product lines.
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