By Neal T. Wright & Jaewan Yoon (Editors)
Software of GIS applied sciences in Port amenities and Operations administration discusses the hot advances in GIS (Geographic info structures) applied sciences for port execs. This committee document identifies powerful GIS options for the administration of advanced port and harbor infrastructure and discusses in-depth the functions, necessities, and barriers of obtainable GIS purposes. It additionally offers valuable GIS database concepts and software program integration assistance, an outline and dialogue of GIS information forms and map projections, and a number of other case reports concentrating on facility and operations administration
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Extra resources for Application of GIS Technologies in Port Facilities and Operations Management
One of the most important of these is related to accuracy requirements. Comparison of GPS to Other Methods of Locating Points One Antenna, Three Dimensions Using a single GPS antenna, you get three dimensions (Kee at al. 2010). There is no need to observe separate parameters such as distances, angles, and point elevations to derive a 3-D position—an approach commonly used in many traditional positioning methods. Furthermore, in this method there are no cumulative sensor drift errors that are commonly associated with displacement transducers and inertial measurement systems.
Of each other. They are required to observe common satellites. Through data differencing, most of the errors (ephemeris, clock biases, and atmospheric errors) can be removed to improve accuracy to the level that is required for high-precision applications. Correction for Satellite Clock Biases One way to account for the satellite clock bias is to use the broadcast clock error model generated by the Master Control Station and defined by polynomial coefficients. Even with the best efforts in monitoring the behavior of each satellite clock, their behavior cannot be precisely predicted.
2-5): rs ϭ r s Ϫ rr ϭ ( x s Ϫ xr )2 ϩ ( y s Ϫ yr )2 ϩ ( z s Ϫ zr )2 where sr is the geometric range from the receiver to the satellite (m) rs is the satellite position vector referenced to the WGS-84 (m) rr is the receiver position vector referenced to the WGS-84 (m) xsr, ysr, zsr are the satellite WGS-84 coordinates xr, yr, zr are the receiver WGS-84 coordinates. (2-5) GPS POSITIONING AND MEASUREMENT PRINCIPLES 29 Figure 2-5. Geometric range from a receiver to a satellite. The two fundamental GPS measurements for range (and hence position) determination (explained in Chapter 2, “Ranging Methods”) are the pseudorange (Eq.
Application of GIS Technologies in Port Facilities and Operations Management by Neal T. Wright & Jaewan Yoon (Editors)