Copertina di Innovative Near Field and Very Near Field Antenna Test Ranges
Titolo del libro:

Innovative Near Field and Very Near Field Antenna Test Ranges

Innovative test ranges based on phaseless NF-FF transformation techniques and non-invasive photonic sensing of EM fields

LAP LAMBERT Academic Publishing (30.11.2011 )

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Risvolto di copertina:
Near Field –Far Field (NF-FF) transformation techniques (TT), based on the knowledge of amplitude of the radiated field of the antenna under test (AUT), enable a significant reduction of the complexity (and hence of the costs) of a NF test range. Phase measurement, indeed, requires sophisticated measurement chains (VNA, stable cables), high stability of the environment (humidity, temperature), high accuracy of the positioning systems. These constraints become tighter with the increasing frequency, making the test range more complex especially when dealing with the millimeter (or smaller) wavelengths. Non-invasive behavior of photonic probes for EM field sensing allows reducing the perturbation on the measurement introduced by standard metallic probes, enabling the positioning the acquisition domain in the AUT close proximity (very NF). Hence, it can improve the signal-to-disturbance ratio, improve the interference immunity and reduce the acquisition time (or truncation error). This work proposes the design of an innovative, NF and VNF antenna test range, conjugating for the first time the advantages of phaseless NF-FF TT with the non-invasiveness of photonic sensing of EM fields.
Casa editrice:
LAP LAMBERT Academic Publishing
Sito Web:
Da (autore):
Pietro Vinetti
Numero di pagine:
Pubblicato il:
Giacenza di magazzino:
Elettronica, Elettrotecnica, tecnologia dell'informazione e della comunicazione
68,00 €
Parole chiave:
Phaseless, Near Field, Very Near Field, antenna, Measurements, photonic, Near-field, Photonics

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