RADAR Cross Section Measurement and Training Lab

RADAR Cross Section Measurement and Training Lab

RADAR Cross Section Measurement and Training Lab is a comprehensive indoor facility with a highly modular setup. The complete setup consists of a USB powered Microwave RADAR transceiver, Low RCS software-controlled Target Rotator, a Calibration Target, a Threshold Target and many scaled models of real-life objects such as Fighter Aircraft, Naval Ship, Commercial Airplane, Military tank, Helicopter and many others.

Features:
  • For testing of radar cross section of real life scaled targets in spherical coordinates.
  • Time domain with Gating distance & trace math for high accuracy
  • Use of X band allows smaller wavelength for measurement, allowing smaller features to be tested for high correlation to real targets.
  • Low radiated power combined with very high sensitivity allows large range of measurements.
  • Microwave absorber panels provided, reduce the background clutter and reflection, for detection of targets with very low reflectivity and efficient background subtraction with software.
  • Self Calibration using accurate reference targets
  • Exponential absorbers for normal/ grazing angles
  • Accurate table top measurement indoors.
  • The system includes a stepper motor controlled very low RCS target support.
  • Use of smaller antennas allow compact range with far field <1m.
  • Direct measurement in dB with 0.1dB resolution with accurate log processing with temperature
Technical specifications:

Radar Frequency                                           : 1GHz-12.4GHz
Measurement                                                 : S11
Processing                                                     : IFFT for Time domain & Gating distance
Trace Math                                                     : +,-, *,/ of display & memory
Channel/Trace                                               : 4/4
Data Display format                                       : Return Loss, Phase, Smith chart, magnitude to distance
Resolution                                                      : 10Hz
Configuration                                                 : Monostatic
Far field                                                         : >1m (Indoor operation)
Radiated Power                                            : 0 dBm EIRP typical
Sensitivity                                                      : -100dBm
Capture threshold                                         : -40dBsm
Range                                                           : >70 dBsm
Measurement                                                : dBm, dBr, dBsm
Resolution                                                     : 0.1dBsm
Measurement Speed                                     : 200us
Demodulation                                                : Logarithmic
IF Bandwidth                                                 : 100Hz
Antenna                                                         : Dual Ridge 1-18GHz
Target rotator                                                 : 360 degrees
Controller                                                       : Stepper motor
Angular resolution                                          : 1 degree
Angular steps                                                 : 10, 50, 100, 450 with auto
Mode                                                              : CW/CCW rotation, Fast Slow speed, program sequence & jog modes
Software : Windows 7/8/10 for RCS measurement and polar /cartesian plotting, stepper motor control, Radar GUI
Power Supply                                                 : 100-240V, 47-63 Hz

Low RCS Target Rotator

 

 

Rotator RCS: <40dBsm
Loading : 5Kg
Axis Rotation: Dual
Azimuth: 360 degree
Elevation: 180 Degree
Angular resolution:1 degree
Target Size : < 500mm
Rotator RCS : <40dBsm

Microwave Absorber Sheets- 6 Nos.

 

Size: 60cmX60cm
Equivalent RCS: – 4 0 d B s m
@ K Band
Absorber: EM Lossy PU
Foam Exponential Cones
Reflection: -40dB @K Band
Fire retardancy: As Per NRL
U S A – 8 0 9 3 S t a n d a r d
complying Tests No.: 1,2 and
3 with zero halogen means

Reference Calibration Target: Metallic Sphere

RCS: -17dBsm
Surface: Metallized
Surface Error : <0.1
Lambda

Flat Metal Plate

RCS: +16dBsm/-4dBsm
Surface:
Metallized/Absorber

Corner Reflector

RCS: +11dBsm
Surface: Metallized

Low RCS Metallized Helicopter Scale Model

RCS: -11dBsm
Type: Fighter Helicopter
Surface: Metallized

Low RCS Metallized Fighter Aircraft Scale Model

RCS: -20dBsm
Type: Fighter Aircraft
Surface: Metallized

Low RCS Metallized Fighter Aircraft Scale Model

RCS: -20dBsm
Type: Fighter Aircraft
Surface: Metallized

Reference Calibration Target Cylinder

RCS: -3dBsm
Surface: Metallized
Error : <0.1 Lambda

Threshold Target

RCS: -41dBsm
Type: 3 Spheres
Surface: Metallized
Size : 1 Lambda


Areas of Experimentation and scope of study

  • RCS Concept, Radar Range Equation, Use of dB,Types of RCS Measurement, The Far field requirement,
    Measurement, The Type of Pattern Cut, RCS and Radar Frequency Bands, The RCS Test Range,Outdoor Ranges, Indoor Ranges, Data Collection,Reduction, and presentation.
  • RCS Reduction: The four basic methods of RCSR
  • RCS Measurements Classical Targets and Scattering Standards Far Field Outdoor RCS Ranges, Pylons for
    Mounting and Rotating Targets, Compact Ranges for Indoor Measurement RCS Measurement Systems, Imaging of RCS Data,Search Radar Range Equation.
  • Radar Cross Section Measurements of Magnetic and Dielectric Microwave Absorbing Thin Sheets
  • Experimental Operation: Calibration, Operation Procedure, Sources of Error
  • Experiment #1 Radar Cross of Sphere
  • Experiment #2 Radar Cross of Cylinder
  • Experiment #3 Radar Cross of Flat Plate
  • Experiment #4 Radar Cross of Trihedral reflector
  • Experiment #5 Radar Cross of Threshold target
  • Experiment #6 RCS of Type I Stealth Aircraft.
  • Experiment #7 RCS of Type 2 Stealth Aircraft
  • Experiment #8 RCS of Apache Stealth Helicopter.
  • E-Manual: Installation Video for ease of Learning

Shipping List

Sr. No.List Of Items Supplied In Radar Cross Section Training Lab KitQty.
1CW Bistatic Radar1
2Tank1
3Helicopter1
4Fighter Aircraft1
5Bomber Aircraft1
6Ship1
7Corner Reflector1
8Flat Plate1
9Cylinder1
10Threshold Target1
11Sphere – Metallic1
12Ram Cones / Pyramid Sheets6
13Ram Paints1
14Tripod8
15Ram Sheet1
16Styrofoam Disc2
179 Pin Stepper Motor Cable1
18USB Cable1
19SMA – SMA  Cable2
203 Mtr Measuring Tape1
21E- Manual Installation Video + Antenna Plotting Software Cd1
22Experimental Manual1

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