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Transmitarray-Based CATR for Streamline UAV RCS Measurement.

Jiazhi Tang1,2, Run-Kuan Liu3, Xiaoming Chen4

  • 1School of Electronic and Information Engineering, South China University of Technology, Guangzhou 510641, China.

Sensors (Basel, Switzerland)
|March 14, 2026
PubMed
Summary
This summary is machine-generated.

A new radar cross section (RCS) measurement method using a transmitarray compact antenna test range (TA-CATR) enables rapid, streamlined testing for low-altitude communication equipment. This cost-effective solution is ideal for mass production and integrated sensing and communication (ISAC) systems.

Keywords:
radar cross section (RCS)streamline measurementtransmitarray compact antenna test range (TA-CATR)

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Area of Science:

  • Electromagnetics and Antenna Theory
  • Wireless Communication Systems
  • Metrology and Measurement Science

Background:

  • Low-altitude unmanned platforms are crucial for integrated sensing and communication (ISAC).
  • High demands exist for rapid, efficient over-the-air testing of these devices due to their numbers and integration.
  • Conventional measurement systems are too large and complex for compact, mass-production testing.

Purpose of the Study:

  • To propose a rapid radar cross section (RCS) measurement method for batch testing of low-altitude communication equipment.
  • To develop a streamlined measurement process suitable for large-scale production.
  • To address the limitations of conventional testing systems in terms of size and efficiency.

Main Methods:

  • Development of a transmitarray compact antenna test range (TA-CATR) for RCS measurements.
  • Implementation of background subtraction, extrapolation, and interpolation techniques.
  • Measurement of RCS over elevation (-45° to 45°) and azimuth (0° to 360°) angles.

Main Results:

  • Achieved rapid and streamline measurement of radar cross section (RCS) for batch low-altitude communication equipment.
  • Demonstrated measurable ranges of -45° to 45° for elevation and 0° to 360° for azimuth.
  • Validated the accuracy and practicality of the TA-CATR-based RCS measurement method through experimental results.

Conclusions:

  • The proposed TA-CATR-based method provides a compact, cost-effective, and highly efficient solution for mass production testing.
  • This approach overcomes the limitations of conventional measurement systems for integrated sensing and communication (ISAC) devices.
  • The method facilitates rapid and effective over-the-air testing, crucial for modern wireless communication platforms.