Modeling and inverting radio occultation signals in the moist troposphere
نویسندگان
چکیده
منابع مشابه
Observing the moist troposphere with radio occultation signals from COSMIC
[1] New approaches for observing the moist troposphere using radio occultation (RO) signals transformed to impact parameter representation by radio-holographic (RH) methods are presented. Large changes in the RH bending angle are used as indicators of significant vertical refractivity gradients that often occur on top of the atmospheric boundary layer (ABL), convective cloud layers such as the ...
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[1] Radio occultation remote sensing of the Earth’s atmosphere by use of GPS encounters problems in the moist lower troposphere (planetary boundary layer). The negative errors in retrieved refractivity (bias) may not be explained by the horizontal inhomogeneity in refractivity. In part, these errors can be attributed to the use of signal tracking algorithms inappropriate for the complicated str...
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[1] The interpretation of radio occultation data in the lower troposphere is a complicated problem due to strong multipath effects. This problem can be solved on the basis of the wave optics. We analyze Microlab-1 radio occultation using two radio-holographic approaches: the radio-optics method, which employs the analysis of the local spatial spectra of the registered wave field, and the canoni...
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[1] Global Positioning System (GPS) radio occultation (RO) is a space-borne remote sensing technique providing accurate, all-weather, high vertical resolution atmospheric parameters, including pressure, temperature and humidity in the troposphere and stratosphere. In the moist lower troposphere (LT) RO encounters known problem related to the phase-locked loop (PLL) tracking technique applied in...
متن کاملCanonical transform method for processing radio occultation data in the lower troposphere
[1] The methods of processing radio occultation data in multipath zones which were used up to now have very strong restrictions of the applicability. In this paper, we introduce a new approach to the problem of deciphering the ray structure of wave fields in multipath zones using the short-wave asymptotic solution of the wave problem. In geometric optics a canonical transform resolves multipath...
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ژورنال
عنوان ژورنال: Radio Science
سال: 2001
ISSN: 0048-6604
DOI: 10.1029/1999rs002273