Bridging Degraded GPS/INS Performance in Urban Centers

摘要: THE MAPPING OF OUR WORLD–its twris, Ecuritries, continerits, arid oceans–has precupied humankind forrni lennia Thanks to scientific and technicilogical developments, the speed and accuracy with which we cando the task has improved through the years. One of the oldest techniques stil used for mapping is photogramirretry–the science, art, and technology of obtaining reliable nneasurements forn imagesto deterrnine the geörnetic properties cf objects. It is virtally as oldas photography itseif lin 1849, just 19 years after the development f the daguerrotype, a French military enginee