Title :
A Microwave Feedback Radiometer
Author :
Goggins, William B., Jr.
Author_Institution :
Microwave Physics Laboratorye, USAF Cambridge Research Laboratories, Bedford, Mass.
Abstract :
Two versions of a microwave feedback radiometer have been built and tested. One used an electromechanical feedback system; the other, an all-electronic system. The response of the servo loops proved to be fast enough and linear enough for almost any radiometer application. The rms noise fluctuation was the same as that of a Dicke radiometer. Stability was excellent even under adverse environmental conditions.
Keywords :
Antenna measurements; Attenuators; Background noise; Bandwidth; Feedback; Microwave radiometry; Servomechanisms; Stability; Switches; Working environment noise; Amplifier; feedback; microwave; noise; radiometer; servo loop;
Journal_Title :
Aerospace and Electronic Systems, IEEE Transactions on
DOI :
10.1109/TAES.1967.5408717
