A kind of gnss passive radar remote sensing detection method and system for air moving target
A detection method and space motion technology, applied in radio wave measurement systems, satellite radio beacon positioning systems, measurement devices, etc., can solve problems such as inaccurate detection of targets, improve detectability, and improve Doppler frequency accuracy , The effect of improving the solution accuracy
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[0034] Embodiments of the present invention are described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways as defined and covered by the claims.
[0035] see figure 1 , a GNSS passive radar remote sensing detection method for air moving targets of the present invention comprises the following steps:
[0036] S1: The GNSS signal is used as the signal source, and the bistatic radar model is used as the signal receiving model; the signals transmitted by several satellites are simultaneously received by the same receiver, and weak signals and strong signals are selected respectively. The determination of weak signal and strong signal is mainly based on the satellite signal-to-noise ratio map after tracking capture. The satellite signal with relatively high peak-to-peak value in the signal-to-noise ratio graph is defined as a strong signal, and the satellite signal with relatively low peak-to-peak valu...
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