一種基于多普勒改進(jìn)的BDS單頻觀測(cè)值周跳探測(cè)與修復(fù)法
[Abstract]:Aiming at the shortcomings of Doppler detection method for detecting small cycle slip, an improved method for detecting cycle slip of (BDS) single frequency observation value in Beidou system is proposed. First of all, when the Doppler observations are detected, the Doppler values of the initial several epochs are fitted by sliding through a fixed window, and then the Doppler variation is obtained by integrating the fitting curves. Then the cycle slip is detected by Doppler variation and carrier phase, and the difference between the detected values of each epoch is calculated by high order difference, which is the last detected cycle slip. The cycle slip detection of the measured BDS data shows that the improved Doppler cycle slip detection method has the advantages of simple and reliable detection, the accuracy of detection can reach 0.1 cycles and the effect of repairing is better than that of the improved Doppler cycle slip detection method.
【作者單位】: 桂林電子科技大學(xué)信息與通信學(xué)院;
【基金】:國(guó)家自然科學(xué)基金項(xiàng)目(61263028) 桂林電子科技大學(xué)研究生教育創(chuàng)新計(jì)劃項(xiàng)目(2016YJCX14)資助
【分類(lèi)號(hào)】:P228.4
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