A general analysis of the impact of digitization in microwave correlation radiometers

This study provides a general framework to analyze the effects on correlation radiometers of a generic quantization scheme and sampling process. It reviews, unifies and expands several previous works that focused on these effects separately. In addition, it provides a general theoretical background...

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Bibliographic Details
Published in:Sensors (Basel, Switzerland) Switzerland), 2011-06, Vol.11 (6), p.6066-6087
Main Authors: Bosch-Lluis, Xavier, Ramos-Perez, Isaac, Camps, Adriano, Rodriguez-Alvarez, Nereida, Valencia, Enric, Park, Hyuk
Format: Article
Language:English
Subjects:
Algorithms
Analog-Digital Conversion
correlation
Data Compression - methods
Design and construction
digital
Digital signal processors
Digitization
Disseny
Enginyeria de la telecomunicació
Field programmable gate arrays
Fourier Analysis
Interferometry - methods
microwave
Microwaves
Models, Statistical
Normal Distribution
Probability
Processament del senyal
Processament del senyal en les telecomunicacions
quantization
Radiometers
Radiometry - instrumentation
Radiometry - methods
Radiòmetres
Random variables
Remote sensing
Reproducibility of Results
sampling
Sensors
Signal Processing, Computer-Assisted
Signal-To-Noise Ratio
Àrees temàtiques de la UPC
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Summary:This study provides a general framework to analyze the effects on correlation radiometers of a generic quantization scheme and sampling process. It reviews, unifies and expands several previous works that focused on these effects separately. In addition, it provides a general theoretical background that allows analyzing any digitization scheme including any number of quantization levels, irregular quantization steps, gain compression, clipping, jitter and skew effects of the sampling period.
ISSN:1424-8220
1424-8220
DOI:10.3390/s110606066