Magazine Article

Scatterometer-Calibrated Stability Verification Method

TBMG-10491

07/01/2011

Abstract
Content

The requirement for scatterometer-combined transmit-receive gain variation knowledge is typically addressed by sampling a portion of the transmit signal, attenuating it with a known-stable attenuation, and coupling it into the receiver chain. This way, the gain variations of the transmit and receive chains are represented by this loop-back calibration signal, and can be subtracted from the received remote radar echo. Certain challenges are presented by this process, such as transmit and receive components that are outside of this loop-back path and are not included in this calibration, as well as the impracticality for measuring the transmit and receive chains’ stability and post fabrication separately, without the resulting measurement errors from the test set up exceeding the requirement for the flight instrument.

Meta TagsDetails
Citation
"Scatterometer-Calibrated Stability Verification Method," Mobility Engineering, July 1, 2011.
Additional Details
Publisher
Published
Jul 1, 2011
Product Code
TBMG-10491
Content Type
Magazine Article
Language
English