Calibration of Correlation Radiometers Using Pseudo-Random Noise Signals

  title={Calibration of Correlation Radiometers Using Pseudo-Random Noise Signals},
  author={Isaac Ramos-P{\'e}rez and Xavier Bosch-Lluis and Adriano Camps and Nereida Rodriguez-Alvarez and Juan Fernando Marchan-Hernandez and Enric Valencia-Dom{\`e}nech and Carlos Vernich and Sonia de la Rosa and Sebasti{\'a}n Pantoja},
The calibration of correlation radiometers, and particularly aperture synthesis interferometric radiometers, is a critical issue to ensure their performance. Current calibration techniques are based on the measurement of the cross-correlation of receivers' outputs when injecting noise from a common noise source requiring a very stable distribution network. For large interferometric radiometers this centralized noise injection approach is very complex from the point of view of mass, volume and… CONTINUE READING
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