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IDAS

Integrated DAS

Self-defence for airborne platforms
Jurie van Wyngaard
Marketing & Sales
+27126714702

Self-defence for airborne platforms means knowing whether anyone is observing me or making me a target. That requires keeping track of every type of signal out there.

Saab's IDAS is an EW system designed to provide self-defence in sophisticated, diverse and dense threat environments. IDAS can be configured to become the high-end system with laser-warning, missile-approach-warning, as well as full multi-spectral detection capability for radar. The system is fully integrated with the BOP-L countermeasures dispenser.


IDAS on ALH DHRUV


BECOMING A CUSTOMER

Your integration effort will be minimised: IDAS systems are already a fully integrated Defensive Aids System, DAS. Choosing IDAS therefore reduces the substantial integration non-recurring engineering effort required by federated DAS systems.

With Saab’s EW systems you become independent – you perform your own EW library maintenance. EWOS, EW Operation Support, is our tool for that. For further information, see downloads.

Features

IDAS is designed to provide Electronic order of Battle, EoB, and self-defence for airborne platforms in sophisticated, diverse and dense threat environments. The system components are small and lightweight and are easy to install since the system offered is already fully integrated.

CUSTOMISABLE TO USER REQUIREMENTS

IDAS can be configured with laser warning, missile-approach warning, as well as the full multi-spectral detection capability for radar; including a Saab digital receiver, DRx, as an option. 

IDAS is fully integrated with BOP-L, Saab’s new advanced lightweight countermeasures (CM) dispensing system. The modular system architecture allows IDAS to be configured for any combination of the three sensor-system types. IDAS systems offer cost-effective defensive aids, providing exceptional performance in a lightweight form for a wide variety of aircraft.

For a version with only electro-optic sensors and CM dispenser, designed for the protection of aircraft against man-portable air-defence systems (MANPADS) and laser-based threats, see our CIDAS product presentation.

EASY TO INSTALL

Multiple interfaces (Ethernet, MIL-STD 1553B, ARINC 429, RS 232, RS 422 and RS 485) and low box-count allows easy installation in helicopters, transport aircraft and fighters.

The graphical user interface, GUI, is via a dedicated full-colour threat-display & control unit (TDCU), 3-inch displays or existing onboard colour multi-function display (MFD), plus audio signals.

Saab offers a fully integrated complete EW system with all sensors, the EW computer and the dispensers from a single supplier.

INDEPENDENT USER

  • User-definable threat symbology.
  • Flight-line software upload/download via external data-loader interfaces.
  • Configurable secure modes of operation in terms of operational software and libraries. 
  • Different threat libraries can be selected in flight according to mission type and/or geographical area.
  • Bulk recording via Ethernet link to external data-storage device.
  • Post-mission playback and analysis facilities by means of flight-data analyser (FDA).

RADAR-WARNING FUNCTION

The radar-warning function features a compact, wide-band, high-sensitivity solution with high probability of intercept (POI). The addition of an optional digital receiver (DRx) transforms the radar-warning functionality into a full-fledged ESM system.

LASER-WARNING FUNCTION

The laser-warning functionality is achieved by using four (4) LWS-310 sensors and a processor card in the electronic-warfare controller (EWC). It features high sensitivity, excellent threat coverage and exceptional probability of intercept (POI) for both single and multi-pulse emissions. A unique feature of this system is that it not only classifies laser emissions, but can also identify laser emission through a user-programmable threat library.

MISSILE-APPROACH WARNING FUNCTION

A unique optical design, incorporating filter technology with purpose-built image intensifier tubes and photon-counting focal-plane array processors, ensures high sensitivity equating to long detection range. Each sensor uses a dedicated digital signal processor making use of a distributed, hierarchical data-processing architecture to ensure optimal utilisation of information in real time.

Digitisation and pre-processing functions are performed at the detector using an advanced focal-plane processor. Each sensor’s data is transferred to a dedicated digital signal processor (MAW controller), resident in the EWC, which performs equalisation, segmentation and feature extraction.

Each sensor processor can detect and process multiple potential targets, passing the spatial and temporal feature data to the processor card in the EWC. There, the spatial data is integrated with real-time INS information to compensate for platform movement, attitude and altitude. The MAW controller then executes neural-net pattern-recognition algorithms to ensure accurate operation with very low false-alarm rates.

The missile-approach warning system is in production for numerous platforms. It has been field tested and approved against various missiles including live missile firings under in-flight dynamic conditions.

COUNTERMEASURES-DISPENSING FUNCTION (BOP-L SERIES)

The BOP-L dispensers are controlled via a fully integrated chaff-and-flare dispenser controller that resides in the EWC. This allows for automatic dispensing under the control of the EWC upon threat-identification. The system can handle mixed payloads per dispenser, i.e. chaff and flares mixed in each dispenser. Semi-automatic and manual firing capability is also provided.

User-defined dispensing programmes/sequences are selected by the EWC per identified threat. The dispensing techniques can be defined in the threat library for the EWC and uploaded to the system on the flight-line.

The jettison of all payloads is possible in all modes of operation under emergency conditions.

FLIGHT-LINE TEST EQUIPMENT

IDAS is supported by appropriate flight-line stimulators for each type of sensor and chaff-and-flare test blocks (CFTB) for the dispensers. The flight-line test equipment is used to verify system serviceability prior to missions. Test equipment has been developed in cooperation with RUAG. For further information about the sensor tester missim, see downloads.

IDAS all sensors testing with one tester
Sensor testing before flight with missim

In use

IDAS has achieved outstanding operational success with a growing list of customers in Europe, Asia, Africa and the Middle East. The product has been ordered/installed on helicopters, commercial transport aircraft as well as fighters.

Platforms where systems/components have been installed: Oryx, Puma, Cougar/Super Puma, Rooivalk, A109, Super Lynx 300, Dhruv, Chinook, Hawk, C-130, C-130H, Su-30, NH-90, MI 17, Embraer 120, Gripen, Saab 2000 & ERIEYE, Dash-8, Tornado.

Technical specification

RADAR-WARNING FUNCTION (RWS-300)

  • High sensitivity with full capability to simultaneously handle pulsed and CW radars.
  • Internal wide-band IFM.
  • Digital video processor provides high-accuracy DF, pulse-on-pulse handling and intra-pulse measurements.
  • Near 100 % POI.
  • Frequency coverage 0.7–40 GHz (pulsed signals), 0.7–18 GHz (CW signals).
  • Spatial coverage 360° AZ over the full frequency range with four antennas. Full spherical coverage can be achieved with 
    six sensors.
  • Option: digital receiver enhancing sensitivity, emitter identification, simultaneous CW handling capability and DF performance.
  • Use of INS dramatically improves range measurements, minimises symbol "duplication" or "splitting" under dynamic platform manoeuvring and enables intercepted weapon-system localisation.

LASER-WARNING FUNCTION (LWS-310)

  • Wavelength coverage of 0.5-1.7 µm.
  • Threat classification and direction-finding indication of laser range finders, designators, lasers used for missile guidance and dazzler lasers.
  • Identifies specific lasers if threat-library information is available.
  • High sensitivity to detect missile-guidance lasers.
  • High POI.
  • Low false-alarm rate.
  • Spatial coverage 360° AZ with four sensors including good sensor overlap.
  • Direction-finding to allow appropriate manoeuvring to break operator’s line of sight and counter threats.
  • Provision for up to six (6) sensors for improved large platform coverage.

MISSILE-APPROACH WARNING FUNCTION (MAW-300)

  • Passive ultra-violet (UV) based sensors, which operates in the solar-blind UV spectrum.
  • Neural-net classifiers using both temporal and accurate spatial information as well as compensation of own platform movement, ensures low false-alarm rates.
  • Reaction time optimised by keeping missile time to impact constant, irrespective of range to ensure enhanced flare countermeasures effectiveness.
  • Inhibits warning against diverging missiles.
  • Direction accuracy suitable for cueing DIRCM and dispensing of countermeasures decoys in correct direction.
  • Spatial coverage of 110° conical per sensor limits unprotected "hole" below platform and allows good sensor overlap.
  • Spatial coverage of 360° AZ with 4 sensors. Full spherical coverage can be achieved with six sensors.
  • Provision to add up to eight sensors to ensure hemispherical or full spherical coverage.
  • Multi-threat capability allows tracking of multiple targets simultaneously.
  • Near 100 % probability of warning.
  • Compact, light-weight, low-power, no-cooling, skin-mounted sensors.

COUNTERMEASURES-DISPENSING FUNCTION (BOP-L SERIES)

  • Numerous safety features inherent in design (functional and personal safety).
  • Modular and compact design.
  • User-programmable dispensing sequences.
  • Low weight.
  • Payload mix recognition, misfire detection and compensation.
  • Programmable back-up mode in the event of system degradation.
  • Easy installation and removal.

IDAS-3 Physical and Power Consumption Characteristics

Unit Dimensions (mm) Mass/Unit (kg) - typical Quantity 28 V DC Power Consumption (W) -typical
EW Controller (EWC300) 193x359x124 10.0 1 100
RWS-300 Dual Front Receiver 170x40x220 2.5 2 30
RWS-300 0.7 - 40 GHz Spiral Antenna 110x110x67.5 0.5 4 5
LWS-310 Sensor 115x90x76 1.0 4 4
MAW-300 Sensor 134x130x130 2.0 4 8,4
BOP-L series CM dispwenser 236x151x269 <2      up to 32 14
TDCU (option) 128x127x120 2.0 1 28

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When it comes to EW system for airborne platforms, Saab can provide everything from Electronic Support Measures, Radar Warner Receivers and Jammers to self-protection systems with Missile Approach Warners and Countermeasure Dispenser Systems.

From peacekeeping operations to real combat scenarios – today’s missions demand the seamless implementation of strategies. For decades, Saab has been providing solutions designed to meet such needs. From training and command and control systems, to military subsystems, weapons and next-generation aircraft, our solutions improve operational capabilities and reduce the cost of ownership.

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Mission Support System – A software solution combining mission planning, rehearsal and evaluation capabilities into a single system.
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