2008 测绘学报: 顾及基线先验信息的GPS模糊度快速解算 李博峰, 沈云中采用GPS 相位观测值进行快速定位时, 其解算模型严重病态, 最小二乘解得的浮点模糊度精度差且相关性大, 导致整周模糊度搜索空间过大, 难以正...
2008 IEEE: Road network extraction with new vectorization and pruning from... Hang Jin, Yanming Feng, Bofeng LiWith the increasing resolution of remote sensing images, road network can be disp...
2008 ION: Generation of third code and phase signals based on dual-frequency... Bofeng LiFuture Global Navigation Satellite Systems (GNSS) will transmit three or more frequency signals, which ca...
2008 ION: Three carrier ambiguity resolution: generalised problems, models... Yanming Feng and Bofeng LiIn this paper, the problems of three carrier phase ambiguity resolution (TCAR) and positio...
2008 同济学报: 顾及协方差阵的三维基准非线性变换 廖中平,沈云中,李博峰三维基准变换需要解算3个平移、1个尺度和3个旋转参数. 顾及控制点坐标协方差阵时,根据最小二乘准则,导出了平移参数、尺度参数与旋转参数...
2008 JoSS: A benefit of multiple carrier GNSS signals: regional scale network-based... Yanming Feng and Bofeng LiThis paper presents a regional scale network-based real time kinematic (RTK) posi...
2008 ChiSciBull: Assessment of stochastic models for GPS measurements with... Bofeng Li , Yunzhong Shen ,Peiliang XuThe stochastic model plays an important role in parameter estimation. The opti...
2007 JoSE: Regularized solution to fast GPS ambiguity resolution Yunzhong Shen and Bofeng LiIn rapid global positioning systems GPS positioning one of the key problems is to quickly determine ...
2006 测绘学报: Bursa 模型用于局部区域坐标变换的病态问题及其解法 沈云中, 胡雷鸣, 李博峰GPS 应用经常涉及坐标变换。
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