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SE LRERI history and product list are here SE LRERI PRESENTATION (pdf, 3.8 Mb).

LRERI offers the line of state-of-the-art millimeter-wave radar systems and radar sensors covering a range of 36 GHz  to  94 GHz  suited to unique customer requirements.
LRERI’s products serve a range of applications in military, industrial and research markets.
LRERI’s products encompass three types of technologies, namely waveguide, planar, and microelectronic.

1. 3 mm Pulse Collision Avoidance Radar (CAR)
2. Millimeter Wave Radar Sensor for Maintaining the Distance (RSMD)
3. Millimeter Wave Ballistic Station (MWBS)
4. Millimeter Radar Instrument for Measurement of Land Vehicle Movement Parameters (RIMMP)
5. ARMOURED VEHICLES BASED COMAND and CONTROL SYSTEMS (TIUS)

3 mm Pulse
Collision Avoidance Radar (CAR)

Applications

CAR has worked out for collision avoidance tackling safety problems for small height flights of helicopters and light planes in mountain areas, in urban and industrial building areas, over agriculture lands having high voltage transmission lines.

Description

The radar is compared to a well-known similar one called ROMEO which was developed by Thomson Company (France), has considerably smaller (2.5 times) dimension and weight. This ensures simple compact installation and application of the system on super light helicopters. Along with this high resolving ability of the radar for angular data and for operating distance counts for high quality of radio location picture being very close to television.
Radar function of collision prevention is fulfilled any time of day and night, all weather conditions and under any environment (dusty, smoky), low-power emission used in radar system allows environment-friendly operation, electromagnetic compatibility, security, and noise stability.
Compact scan 3 mm radar is a completely solid-state pulse radar fast electromechanically scanning the antenna pattern of a large angle sector. The radar system was developed using highly advanced technologies in the field of SHF engineering and analog and digital signal processing devices.
The radar consists of two completed units: antenna head and signal processing and controlling unit and operates along with established helicopter devices; the terminal and gyroscope detectors.
Antenna head is composed of antenna system; devices scanning antenna pattern for azimuthal angle and area with corresponding detectors of twist-reflector position angle antenna-scan motor; antenna head stabilization device for roll with position detector and antenna-scan motor; radio transparent radome; receiving-transmitting device; and video frequency receiver. The antenna system consists of diagram building parts (feed horn; twist-reflector; and transreflector). Receiving –transmitting device includes receiving-transmitting SHF module and power supply unit for receiving-transmitting SHF module.
Signal processing and controlling unit is a digital part of the radar. It is composed of antenna actuator electronics; video processing and synchronization unit; secondary power supply unit for signal processing and antenna head controlling unit.
Wide range of operating temperatures is ensured with the help of  constructive and technological innovations used in receiver development. Thermostated driving avalanche auto generator, frequency stabilization which is conducted by highly qualitative capacitor, generates a sequence of radio pulses, that are fed to avalanche diode amplifier input. Thermostabilization characteristics of this amplifier are carried out in the process of temperature correction of supplied current of amplifier stages. This transmitting device scheme, being very simple, ensures high spectrum clearance of output signals and low thermal bias of the operating frequency. Tests proved, that operating frequency thermal bias does not exceed (–10...+10) MHz in –50…+50 temperature range.
Antenna actuator mechanism and antenna contain a series of constructive innovations. These innovations allowed us to implement fast scanning of antenna pattern and to provide high electrical features. The main complexity of the work completed on optimization of antenna unit appeared to be strict weight and dimensions requirements for the radar as a whole.
The radar also has built-in test control for operational availability and improved test control from external computer.

Main specifications:

Scanning region:
         for distance …………… 20 . . . 2500 m;
         short-range region …….. 20 . . . 1500 m;
         long-range region …... 1000 . . . 2500 m;
         for azimuthal angle ……120 degrees;
         for area angle ………… up to 15 degrees;
         referring to targetings on area angle (programmable in the range from 1 degree to 60 degrees with increment of degree).

Scanning period (of radar picture update):
         with the given scanning area dimensions:
                120 degrees  x1 degree (one azimuthal line)
                65 . . . 70 msec;
                120 degrees  x30 degrees (30 azimuthal lines on area angle)
                1.8 . . . 2.8 sec;

Detection distance:
         high voltage transmission line wires with the diameter of 10 mm not less than 600m;
         objects with surface of effective scattering >30 square m  up to 2500 m;

Root-mean deviation:
        from point target angle data not exceeding 0.5 degree;
        angle range of targeting for area angle and roll given
            - built-in or external detectors;

Consumed power:
        (with no terminal) ….  About 80 Watts
        supplied voltage …...  22 . . . 30 V

Design:
        Antenna head
        diameter ..................... 320 mm;
        length .........................  420 mm;
        weight ........................  about 15 kg.

Characteristics of constituents:
Antenna
        polarization is linear horizontal or vertical;
       gain in main lobe ...............  42-40dB;
       sidelobes level lower main lobe ......  -23 dB;
        antenna pattern beamwidth ........  55' ... 65';
        beam scanning velocity ...........  up to 2000  deg/sec;
Transmitter
        pulse with avalanche diode,
        output power of a pulse is not less than 10 W,
        pulse duration .............. 30 ... 100 nsec.
Receiver
        super local oscillator with logarithmic
        amplitude characteristic,
        noise ratio .................... not exceeding 11 dB;
Processor
        microcomputer ADSP 2181
        FPGA Xilinx
        two external exchange channels RS 232
        RS 485 with exchange rate 38 115 kbot;
Terminal
        PC based, type is defined by the installation site and customer requirements,
        configuration:
            similar to Pentium 166, RAM 15 Mb, hard disk 1 Gb, display 640x480 pic,
            256 colours.

Radar Outlook without display unit

Typical Radar Image
with the marks from High Voltage Transmission Lines and Bushes

 
 
 
Millimeter Wave Radar Sensor
for
Maintaining the Distance (RSMD)

Purpose

RSMD is designed for maintaining the distance between the ground vehicles when the column moves in severe environmental conditions (rain, fog, snow, dust) in order to increase the speed of the column up to 40-50 Km/hr.

Description

RSMD measures the range to the vehicle moving in front and equipped with the RSMD and to the vehicle moving behind and not equipped with the RSMD and transmits commands from the vehicle moving in front to the vehicle moving behind under reduced optical visibility conditions and any time during 24 hours.
RSMD provides transmission from the vehicle moving in front and reception by the vehicle moving behind of up to 5 commands via a transponder radio channel.

Complete Set

- Measurement unit …………………… 1 pc
- Transmit/receive unit with antennas … 3 pcs

Main specifications:

Range (R) to:
        - vehicle equipped with RSMD facility ………………… 10 – 80 m;
        - vehicle (obstacle) not equipped with RSMD facility …. 10 – 25 m;
Sector for measurement of range to:
a) vehicle equipped with RSMD facility:
        - in horizontal plane …………………………. (-45...+45) degrees;
        - in vertical plane ……………………………. (-10...+10) degrees;
b) vehicle (obstacle) not equipped with RSMD facility:
        - in vertical plane ……………………………. (-10...+10) degrees;
        - sector width in horizontal plane
        at a distance of 10 m …………………………..  4.0 – 6.0 m;
Maximum error of range measurement ……………... +(10%R+0.8) m;
Power supply (rated d.c. voltage) ………………….  27 V;
Total power consumption ………………………….  100 W;
Instrumentation volume:
        - measurement unit …………………………….5 kube dm;
        - transmit/receive unit with antennas ………. 1.7 kube dm.

  
 B A L L I S T I C   S T A T I O N
(Muzzle Velocity Radar System)

LRERI offers the line of state-of-the-art Millimeter Wave Ballistic Stations (MWBS) are designed to measure the muzzle velocity, acceleration and barrel transit time of a wide variety of ammunition for field and tank artillery, naval and anti aircraft applications. Muzzle velocity measurement results are transmitted via the communications interface to the Fire Control System computer, accurate muzzle velocity data significantly increases the first round hit probability. MWBS provide extremely high security and interference immunity due to the usage of the portion millimetric waves with the maximum atmospheric attenuation.

Main Specifications:
 
Performances and properties
Ballistic Stations
IS27
B3
BS
  Measurands: 
  - muzzle velocity
  - acceleration
  - barrel transit time 

+
+
+

+
+
+

+
+
+
  Accuracy: 
  - muzzle velocity, % 
  - acceleration, % 
  - barrel transit time, msec
  when antenna elevation is not less than, deg
0.05
0.2
3
10
0.03
0.1
1
0.4
0.03
0.1
1
0.7
  Muzzle Velocity Range, m/sec
225-1250
350-1900
40-2400
  Working Frequency Range
mmw
  Caliber Range, mm
100-150
10-350
4.5-350
  Firing Rate, rounds per minute
20
60
3000
  Supply voltage, V
+27
+27
+12
  Input power, w
30
50
15
  Antenna Elevation Beamwidth, deg
10
1.5
2.05
  Antenna Horizontal Beamwidth, deg
2
1.5
2.05
  Reprogramming Capability at field level
  for introducing new guns, projectiles
-
-
+
  BIT
+
+
+
  Printer
+
+
+
  Modular design
+
+
+
  Trigger
+
+
+
  Corrosion protection
+
+
+
  User menu
-
-
+
  Controlled directly from FCS
+
+
+
  Store the Muzzle Velocity Variation
  information, combinations
1
16
1000
  Maximum Range as a function of 
  caliber,  d, m 
                 R max = 104 (adb - c)
a = 0.13
b =  0.5
c = 0.06
a = 0.19
b = 0.4
c = 0.01
a = 0.17
b = 0.45
c = 0.01
  Dimensions, mm
  - transmit/receive unit with antennas
  - processing unit
185/230/300
290/224/123
307/290/343
290/224/123
230/270/300
LT 386SX/P
  Weight, kg
  - transmit/receive unit with antennas
  - processing unit

16
7

18
7
16
  Qualification according to MS
According to MS of the former USSR
  Interface
RS - 232
RS-232, RS-422
RS - 232
  Transmitted power, mw
200
  Muzzle velocity measurement
radar-method, mmw-band
  Estimation of the next round velocity
+
+
+
  MTBF
more then 10 000
more then
12 000
  Price per system, US dollars on EX WORKS terms
18,000
 
 
IS27 - development and tests at field level are completed.
B3 and BS - are in a stage of testing at field level.
Muzzle Velocity Radar
BS3 - new modification of Muzzle Velocity Radar System
 

Millimeter Radar Instrument
for
Measurement of Land Vehicle Movement Parameters
 
Doppler radar for measurement of land vehicle mevement parameters

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7, Naukova St. Lviv, 79060, Ukraine
Vice-Director Ihor Roman    E-mail: marketing@lreri.lviv.ua
Fax: 380 322 632550