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14. Phase and amplitude noise
The inherent noise of the modules' solid-state active components determines the antenna's noise figure 10 at reception. On transmit, the additive noise generated by the amplifier is generally very low compared to the spectral purity of the signal supplied to the antenna.
In fact, causes external to the module can create sources of noise that are detrimental to the proper operation of the System. These are mainly parasitic lines...
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Phase and amplitude noise
Conclusion
Bibliography
Articles on antennas and active modules
Organizations
European Space Agency (ESA) http://www.esa.int
Centre National d'Études Spatiales (CNES) http://www.cnes.fr
ONERA http://www.onera.fr
TNO-FEL (Pays-Bas) (Physics...
Suppliers
(non-exhaustive list)
Companies developing technical solutions for active antennas for radar and space communications:
GTDAR (GIEE tri-national GB/F/All)
Thales http://www.thalesgroup.com
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