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Description of the radar set, tactical-technical characteristics Описание; Основные тактико-технические характеристики (Базы данных)
3D Radar System DR 174
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Bild 1: © EADS

Specifications
frequency: L-Band
pulse repetition time (PRT):  
pulse repetition frequency (PRF):  
pulsewidth (τ): 110 µs
receive time:  
dead time:  
peak power: 24 kW
average power:  
instrumented range: 80 nm
range resolution:  
beamwidth:  
hits per scan:  
antenna rotation:  

3D Radar System DR 174

The 3D radar system DR 174 is a highly mobile short/mid range surveillance radar operating in the L-Band. The radar system can be used as coastalradar for sea and air surveillance or as “gap fillers” for areas longer radars do not cover. The system can be integrated into existing defence networks, anti-aircraft (AA) weapon systems and other networks. It can also serve as a “stand alone” control center due the fully integrated state of the art working positions. A wide range of ECCM features and excellent clutter suppression ensure the detection of small targets even in a very hostile enviroment.

This 3D radar system operates in L-Band using a stacked beam active planar antenna. It features up to 8 elevation beams on receive. The system is designed in fully solid state technology.

The DR 174 Doppler radar features

The detection range against tactical aircrafts (“Swerling 1”- targets) with a radar cross section (RCS) of 1 m² is 135 km at a probability of detection of 90%. The detection range against tactical ballistic missiles with a radar cross section (RCS) of 0.1 m² is 75 km at the same conditions.

Waveform selection

The following statements highlight the capabilities of the DR 174 waveform selection:

ECCM features

The electronic counter counter measures used by the DR 174 are:

Clutter rejection

Excellent clutter suppression and detection of small targets in any type of clutter (ground- and rainclutter, seaclutter, chaff and angels) by:

ARM protection

Protecting against Anti Radar Missiles is supported by:

The system consits of four major components the sensor (antenna group consisting of primary ans secondary radar), the Signal Processing (SiP) shelter, the Operations and Missions Control (OMC) shelter and the generator for reliable power supply in mobile deployment.

Also available is the DR 184, the long range version (400 km) of DR 174.

Antenna
Tx/Rx Isolation
Rx-Beamforming
network
Interface to Operations &
Mission Control Center
Transmitter
Driver
Plotextractor
IFF-Antenna
IFF-Tx/Rx Unit
IFF-Extractor
TX-Beam
forming
network
Exciter
Waveform-
generator
Radar
Manager
n- channel
Receiver
n- channel
Signal processor

Figure 2: The concept of the DR 174 sensor

Antenna
Tx/Rx Isolation
Rx-Beamforming
network
Interface to Operations &
Mission Control Center
Transmitter
Driver
Plotextractor
IFF-Antenna
IFF-Tx/Rx Unit
IFF-Extractor
TX-Beam
forming
network
Exciter
Waveform-
generator
Radar
Manager
n- channel
Receiver
n- channel
Signal processor

Figure 2: The concept of the DR 174 sensor