DRDO and PSUs

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Arihant Roy said:
Now this is the best scoop so far.

In one of the Astra bvr missile test firings, a LCA detected and tracked the target, then passed this track through SDR datalink to another LCA which then launched the missile without ever using its onboard radar.

This sort of cooperative target engagement capability has been masterd by very few nations around the globe. It allows the missile carrying ac to remain silent from RF emissions point of view and hence this ac won't be picked up by hostile ac rwr and esm.

This type of engagement capability is possible for any aircraft equipped with SDR and currently, Tejas mk1A, Su-30MKI, MiG-29 UPG, Jaguar Darin 2 and 3, Rafale either have SDR or is being equipped with it .
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US Navy calls this capability National Integrated Fire Control- Counter Air. Therein, they use their E-2D to track hostile acs and pass the requisite data to Super Hornets and F-35C.
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I think the firing aircraft have to use the radar in the engagement time because missile data link not linked like SDR data link which can enroll in the network as it own, up to certain degree missile can use it's data link for course correction and autonmous firing not totally independent and fully cold launch, also astra like missile have the range issue like 100 km if missile fired a target found by LCA around 90 km and firing su30 as missile truck flying way back around (20 - 30 km behind) it have to be launched in Launch envelope of astra bvr( to assure maximum Probablity of kill), other wise missile will became dud because it's battery runs oout before reaching its target, anyway this capabilities will help when Astra mk2 and mk3 integration completed,
 
Ku band MF-TDMA terminal: A Man Portable Ku band MF-TDMA terminal with 0.76M antenna has been realized. The antenna is a Parabolic Reflector Antenna with a positioning system made of lightweight Carbon Fibre-reinforced plastic (CFRP) material having 6 panels which are detachable. The Antenna pointing is done manually using IMU sensors, GNSS and a compass. The antenna has a Tripod mechanical assembly to position the Antenna and RF Front end. The RF front end consisting of BUC and LNBC of the terminal is compact and lightweight. The terminal baseband hardware is based on software-defined radio architecture. The baseband modem technology is based on Multi-Frequency- Time Division Multiple Access (MF-TDMA) in TX (Return link) and DVB S2 in Rx (Forward link). MPST derives power from the external power supply of 48V DC. The external power supply is powered by an AC/DC adaptor and battery. It is a robust terminal for Military Applications. It is capable of providing all-terrain secure high data rate IP services like VOIP, Video Streaming, Video Conferencing, File Transfer etc.
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Military Combat Parachute System (MCPS)

ADRDE has undertaken the project titled Design & Development of Military Combat Parachute System (MCPS).

The MCPS system can be used in following modes:

  • High Altitude High Opening (HAHO): Jump from as high as 30,000 ft
  • High Altitude Medium Opening (HAMO): Jump from as high as 30,000 ft and opening anywhere up to 10,000 ft
  • High Altitude Low Opening (HALO): Jump from as high as 30,000 ft and opening anywhere between 9,000 ft – 5,000 ft.
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Avalanche Warning Terminal: In the Himalayan border region, Avalanches pose a serious threat to life, establishments and other critical assets of our armed forces. The legacy avalanche alert system requires a man in the loop to disseminate avalanche and weather forecasts. By leveraging satellite communication, a solution has been realized wherein met data is collected and avalanche forecast is disseminated through a satcom link leading to near real-time dissemination of alerts.
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HUMSA-NG (MK 2)

HUMSA-NG (MK 2) is the fourth generation ship-borne, hull mounted, active cum passive Sonar system designed and developed by Naval Physical and Oceanographic Laboratory (NPOL), Kochi and productionised by Bharat Electronics Limited (BEL), Bangalore for Indian Naval ships.

Simultaneous active as well as passive mode of operation.

Two display consoles with high resolution multi-function displays.

Conventional & Adaptive Processing techniques for processing.

Tactical Page in HMI with Radar/Sonar tracks with chart underlay.

Active and Passive Track for 8 targets.
History up to 60 minutes in passive mode

Narrow band/broadband/DEMON analysis, processing and display, in the operator selectable frequency band for passive.

Display format presentation under different time constants.

Spectrum, DEMON for the tracked passive targets.

Integrated XBT operation (Workstation & Sonar HMI).

Digital Data Recording (DDR) for both active and passive channels.

Workstation with facility for Record/Replay/Classifier Library management tools

SPMS (Sonar Performance Modelling System) module for estimation of Sonar performance before hand

NACS (Near Filed Acoustic System) and DG (Directing Gear) for calibration and maintenance of transducer array

Video and Audio recording in Display Consoles

Active Range up to 40 km

Active Medium frequency operation and passive operating range up to 10kHz

Automated detection of torpedoes.

Creation and Updation of target libraries.
Contact Motion Analysis (CMA) for active, passive targets. Usefulness of Passive CMA feature needs re-looking considering the tactical point of view.

Constant Beam Tilt for environmental adaptability.

Beam stabilization to compensate for platform motion.

Interface with ship systems such as Fire Control, Ship house holding data.

Ambient and self-noise measurement capabilities (as a function of amplitude, frequency and bearing).

Automatic fault diagnostic and localization capabilities.

Bi-static operation capability

Provision for operator selectable/automatic, beam tilt, based on reverberation levels.

Online decision support tools to aid the operator in selecting, the best combination of system parameters.

Integrated UWT operation
Simulator for checking the system (noise and signal generator unit).

PRCM (Portable record and classifier module) for recording and analysing data offshore.
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