Limitations of radiometer performance in spherically invariant noise
Abstract
The radiometer is a common method for detection of unknown signals in noise. Most analyses of radiometer performance are based on assumptions of stationary Gaussian noise with known marginal statistics. In this note, we use a spherically invariant noise model to derive simple expressions for radiometer performance degradation in noise variance uncertainty. Numerical examples are provided to show that channel uncertainty imposes a substantial penalty in detection performance.
- Publication:
-
IEEE Transactions on Aerospace Electronic Systems
- Pub Date:
- January 1995
- DOI:
- 10.1109/7.366293
- Bibcode:
- 1995ITAES..31...65S
- Keywords:
-
- Channel Noise;
- Mathematical Models;
- Radio Frequency Interference;
- Radiometers;
- Random Noise;
- Signal Detection;
- Signal Distortion;
- Signal To Noise Ratios;
- Bandwidth;
- Information Theory;
- Noise Spectra;
- Reliability;
- Spectral Sensitivity;
- Vectors (Mathematics);
- Instrumentation and Photography