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Satellite-based integer cycle ambiguity resolution of local medium wave radio signals
Satellite-based integer cycle ambiguity resolution of local medium wave radio signals
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机译:基于卫星的本地中波无线电信号整数周期歧义分辨率
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摘要
A system and methods for resolving integer cycle ambiguity in medium wave carrier radio signals are presented. A satellite signal is received at a receiving location and a measured code phase of the satellite signal is measured. A satellite location estimate of the receiving location is computed based on the measured code phase. Medium wave radio carrier signals from medium wave radio transmitters are received at the receiving location. A number of wavelengths of the medium wave radio carrier signals from the satellite location estimate to each of the medium wave radio transmitters is determined respectively. A carrier phase of each of the medium wave radio carrier signals is measured. An improved position estimate of the receiving location is computed based on the number of wavelengths and the carrier phase of each of the medium wave radio carrier signals, and a location of each of the medium wave radio transmitters.
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