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The progress in the micro electro mechanical system (MEMS) sensors technology in size,cost,weight,and power consumption allows for new research opportunities in the navigation field.Today,most of smartphones,tablets,and other handheld devices are fully packed with the required sensors for any navigation system such as GPS,gyroscope,accelerometer,magnetometer,and pressure sensors Modular Steel Bridge Prefabricated Modular Bridges Modular steel bridges are most often used for roadways.They are robust enough to handle heavy vehicular loads,and,due to prefabrication,they are economical enough and easy enough to install without causing major disruption to a transportation network or a construction site in the case of temporary modular prefabricated bridges.Partial Matching Estimation Method of Walking Trajectories Oct 08,2018·However,the generation of the indoor pedestrian network is costly,so it does not necessarily exist.Therefore,as a low-cost generation method,our final goal is to automatically generate an indoor pedestrian network structure by collecting the walking sensing data from many users and integrating the estimated 3-D walking trajectories.
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