AN/MPQ-64F1 Improved Sentinel (3D přehledový radiolokátor)

Description of AN/MPQ-64F1 Improved Sentinel:


The AN/MPQ-64F1 Improved Sentinel is a 3D search and track radar station (hereafter RLS) designed for use with short-range anti-aircraft systems used primarily by the U.S. Army and Navy.


It is a medium-range sensor for detecting and tracking airborne objects at low altitudes.


This RLS is developed and manufactured by Thales Raytheon Systems.


The AN/MPQ-64F1 Improved Sentinel operates in the X-band frequency band on the pulse-Doppler principle.


Shaping and vertical scanning of the pencil-shaped beam is accomplished by an antenna with an active phased array, while horizontal scanning of the area is provided by rotating the antenna.


The radar is highly resistant to electronic countermeasures (ECM).


The AN/MPQ-64F1 Improved Sentinel operates autonomously, with information transmitted over a high-speed data network via fibre optic cable or SINCGARS (Single Channel Ground and Airborne Radio System) radio.



Basic features and TTD:


- operating bandwidth: X


- azimuth rotation speed: 30 rpm


- detects aircraft and helicopters, cruise missiles and unmanned aerial vehicles at ranges less than


- working space:
-- azimuth: 360°
-- altitude: 20 000 m
-- effective range: 495 km


- Maximum range of detection of an airborne object: 400 km


- Large surveillance and tracking capacity


- automatic digital program output


- COTS signal and data processor


- Low level of parasitic side lobes and narrow pencil beam characteristic


- High immunity to electronic jamming and anti-radar missiles


- High mobility, transportability and reliability


- on-board alternating current generator with a frequency of 400 Hz used


- RLS includes an Identification Friend or Foe (IFF) self-identifier
URL : https://www.valka.cz/AN-MPQ-64F1-Improved-Sentinel-3D-prehledovy-radiolokator-t102460#369226 Version : 0
Improvements implemented on AN/MPQ-64F1 Improved Sentinel


Improved extended range:


- Improved detection of extended range targets, cruise missiles and unmanned aerial vehicles


- Improved detection of helicopters and aircraft


- Improved ability to track targets beyond visual range



Computer:


- 10 VME-64x bus slots in rack, some of which are free for expansion


- multi-purpose on-board computer



Receiver:


- Single channel in X-band


- modular line-replaceable unit (LRU) concept



Modulator:


- X-band, direct digital synthesis (DDS) technology


- one main oscillator for frequency generation


- LRU



Transmitter:


- X-band, successive wave tube


- possibility to change the power low/medium/high



Motor control for azimuth rotation:


- digital interface for communication with the control computer


- improved DC electric motor and control electronics



New operating modes:


- Full coverage mode - searches for targets above the horizon (terrain) ~18°, providing uniform coverage of altitudes


- Low altitude search mode - search for targets above the horizon (terrain) ~5°, allowing to focus energy and quickly recover information on targets at low altitudes, especially cruise missiles with a flat flight path
URL : https://www.valka.cz/AN-MPQ-64F1-Improved-Sentinel-3D-prehledovy-radiolokator-t102460#369228 Version : 0
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