C. nearest 需要一个形容词修饰"bookstore",表示位置的远近,"nearest"表示最近的。 3. A. check 需要一个动词表示"查看"的动作,"check"表示查看。 4. A. off 需要一个介词表示"下车"的动作,"get off"表示下车。 5. B. the 需要一个冠词修饰"Bus No.9","the"表示特指的9路公交车。 6. B...
The proposed BKNN algorithm has the smallest location error compared with the Gaussian-based algorithm, LANDMARC and an improved KNN algorithm. The average error in location estimation is about 15 cm using our method. Keywords: indoor positioning; RFID; Bayesian probability; K-Nearest Neighbor 1. ...