<正>The GPS multipath signal model is presented,which indicates that the coherent DLL outputs in multipath environment are the convolution between the ideal DLL
<正>As one of the basic inventory cost models,the(Q,r)inventory cost model of dual suppliers with random procurement lead time is mostly formulated by using the
Local invariant algorithm applied in downward-looking image registration,usually computes the camera's pose relative to visual landmarks.Generally,there are