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Evolution of Multipath Error Reduction with Signal Processing 总被引:1,自引:0,他引:1
GPS Solutions - The described method of code and carrier multipath error reduction is a refinement of the strobe method of pseudo random noise (PRN) signal processing. This method utilizes as a... 相似文献
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An effective method of decreasing multipath errors in GPS or GPS/GLONASS receivers by changing delay lock loop correlator
reference signal is discussed. Unlike other approaches, this method does not lead to apparatus complication, power comsumption
increase, or augmentation of digital processor load. This method eliminates the multipath error completely if the difference
in delays of direct and reflected signal is more than 30 m, and decreases this error for smaller delays. The cost of such
decrease is that the noise error is decreased. However, the noise error is much less dangerous than the multipath one because
of its smaller value and much shorter correlation interval. Calculated and experimental data for the method are given for
multipath and noise errors. ? 1998 John Wiley & Sons, Inc. 相似文献
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