Accession Number : ADB009060

Title :   Radar Cross Sections of the T-38 Aircraft for the Head-on Aspects in L, S, and X Bands

Descriptive Note : Final rept.

Corporate Author : NAVAL RESEARCH LAB WASHINGTON DC

Personal Author(s) : Queen, F. D.

PDF Url : ADB009060

Report Date : 08 JAN 1976

Pagination or Media Count : 21

Abstract : The radar cross sections of a T-38 aircraft were determined for nose- on aspects using the NRL dynamic area measurement system. The 20, 50, and 80 percentile values of the radar cross section distribution function were tabulated. Left-circular polarization was transmitted at 9225 MHz, and the parallel and orthogonal components were received. Vertical polarization was used on transmission and reception for 2800 MHz and 1300 MHz. The RCS for the nose-on asepect can vary as much as 3 dB between runs, because the aircraft rarely holds a constant aspect with respect to the radar from run to run, or during a run. When the aspect cell size is limited to + or - 1.0 degree, the median radar cross sections are shown to be 0.8 sqm for the X-band left-circular return, 3.1 sqm for 2800 MHz, and 1.8 sqm for 1300 MHz.

Descriptors :   *RADAR CROSS SECTIONS, POLARIZATION, X BAND, RADAR PULSES, ASPECT ANGLE, S BAND, L BAND.

Subject Categories : Active & Passive Radar Detection & Equipment

Distribution Statement : APPROVED FOR PUBLIC RELEASE