ANTI SUBMARINE WARFARE SONAR HMS ASW-75 MOD 2

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KEY FEATURES:• Medium Frequency Hull Mounted Active Sonar for light and medium platforms• Designed as a stand alone system with multiple interfaces to detect, track and

classify the submarines• 360 degrees of simultaneous passive surveillance for self-protection against

torpedoes• Integrated on-board simulator

HMS ASW-75 MOD 2

Postane Mah. Okandan Sok. Villa No: 10 Tuzla / İstanbulP: +90 216 527 62 22 • F: +90 216 527 62 21 • M: +90 530 568 49 54 • info@armelsan.com

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CERTIFICATE NO: QM-0090 150003-TR

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Active Mode of OperationParameter Specification Summary

Transducer Array 36 staves, 8 vertically installed elements on each stave Diameter 122 cm, height 85 cm, weight 1.5 ton

Transmission Frequency 7.5 KHz

Source Level221 (-/+1) dB re 1 µPa @ 1 m (OMNI) (Reducible down by 3 dB steps) 229 (-/+1) dB re 1 µPa @ 1 m (RDT modes)

Bandwidth 400 Hz (ASW)Pulse Types HFM (up or down), CW, HFM + CW Pulse Lengths 0.008 – 1 s selectable with 0.008 s stepsRange Scales 4500 m, 9000 m, 18.000 m, 30000 m Transmission Modes OMNI, MCC, RDT and MAS (Optional)

Classification Underwater target classification, alert is raised by the operator. Classification supported by computing aspect angle and Doppler evaluation.

Tactical Aids Sonar Performance Prediction modeling software Tactical Display

Fault Detection and Fault Localization Start-up and online built-in test during operation.

Display Formats

A-Scan (with several pings history) B-Scan B-Scope Magnifier

Simulation Simulation, record and replay facilities available.

Passive Mode of OperationParameter Specification Summary

Operating Frequency 1 – 5 KHz

Tactical Aids

Measurement of stave levels. Problematic staves can be excluded from beamformer. Digital filtering for detection (low pass, high pass, band pass, band stop), cutting frequencies selectable. DEMON analysis, frequency scales selectable.

Fault Detection and Fault Localization Start-up and online built-in test during operation.

Display Formats Bearing Time Record (BTR) (waterfall and envelope) (in energy and line detection displays), PPI Scope and DEMON (waterfall and envelope)

Integration Time Selectable by the operator; 1, 2, 4, 8, 16 and 32 seconds (For BTR and DEMON waterfalls)

Time Scale Selectable by the operator; 5, 10, 20, 40, 80 and 120 minutes (For BTR waterfall) 5, 10 and 20 minutes for DEMON waterfall

Simulation Simulation, record and replay facilities available.Intercept Intercept detection within the operating frequency

ANTI SUBMARINE WARFARE SONAR

No Designation Approximate Weight (kg) Height (mm) Width (mm) Depth (mm)1 Operator Console 270 1790 530 8152 Pulse Power Supply Cabinet 250 1490 530 7083 Front End Cabinet 250 1450 530 7804 Transmitter Cabinet 300 1450 530 7805 Transducer Array 1600 (*) 1010 Diameter 1220

(*) Including 12 m cable length

Interfaces Torpedo alarm to CMSSonar system status to CMS Own platform data XBT or XSV probe dataMute signal from UWTSonar target data to FCS and CMS