Comparison of Theoretical and Measured Signal and Noise Outputs of a Passive 35-GHz Radiometer.
Abstract
Two expressions for calculating radiometer antenna temperature changes when a target is present are derived and compared favorably with a simple expression frequently used in the literature. One of the new expressions can be used to calculate the output signal pulse of a radiometer as it passes near or over a target, and can be used when the radiometer antenna axis is tilted from the vertical. Experimental data are compared with theoretical data; agreement is generally very good. A theoretical expression for the noise output of a radiometer was obtained from the literature. Values from this expression are found to be in good agreement with noise data obtained from laboratory and field measurements. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Apr 01, 1977
- Accession Number
- ADA040366
Entities
People
- Orrin C. Kaste
Organizations
- Ballistic Research Laboratory