Beacon satellite receiver for ionospheric tomography

Autor:	Markku Lehtinen, Juha Vierinen, D. McKay-Bukowski, Lassi Roininen, L j Johannes Norberg, Philip J. Erickson, Olaf Amm, Antero Väänänen
Rok vydání:	2014
Předmět:	Computer science Software-defined radio Inverse problem Phase curve Condensed Matter Physics Ephemeris Geodesy symbols.namesake Observatory Physics::Space Physics symbols General Earth and Planetary Sciences Satellite Electrical and Electronic Engineering Ionosphere Doppler effect Remote sensing
Zdroj:	Radio Science. 49:1141-1152
ISSN:	0048-6604
DOI:	10.1002/2014rs005434
Popis:	We introduce a new coherent dual-channel beacon satellite receiver intended for ionospheric tomography. The measurement equation includes neutral atmosphere and ionosphere propagation effects, relative errors in satellite and receiver clocks, and residual Doppler shifts caused by errors in the satellite ephemeris. We also investigate the distribution of errors for phase curve measurements and the use of phase curve measurements for limited angle tomography using the framework of statistical linear inverse problems. We describe the design of our beacon satellite receiver software and present one possible hardware configuration. Finally, we present results obtained using a network of four newly developed receivers and compare the results with those of an existing ionospheric tomography network at Sodankyla Geophysical Observatory.
Databáze:	OpenAIRE
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