Naval Postgraduate School

About: Naval Postgraduate School is a education organization based out in Monterey, California, United States. It is known for research contribution in the topics: Tropical cyclone & Boundary layer. The organization has 5246 authors who have published 11614 publications receiving 298300 citations. The organization is also known as: NPS & U.S. Naval Postgraduate School.

CyberCIEGE: gaming for information assurance

Abstract: CyberCIEGE is a high-end, commercial-quality video game developed jointly by Rivermind and the Naval Postgraduate School's Center for Information Systems Security Studies and Research. This dynamic, extensible game adheres to information assurance principles to help teach key concepts and practices. CyberCIEGE is a resource management simulation in which the player assumes the role of a decision maker for an IT dependent organization. The objective is to keep the organization's virtual users happy and productive while providing the necessary security measures to protect valuable information assets.

Extratropical Transition of Western North Pacific Tropical Cyclones: Midlatitude and Tropical Cyclone Contributions to Reintensification

Abstract: This study of extratropical transition of western North Pacific tropical cyclones (TCs) addresses the reintensification stage during which the TC remnants develop as an extratropical cyclone. The hypothesis examined here is that reintensification depends on the interaction between the midlatitude circulation contributions from mid- and upper-level dynamic processes, low-level thermal processes from the decaying TC, and upper-level outflow characteristics from the decaying TC. Reintensification occurs when the combination of the dynamic and thermodynamic processes define a region that is favorable for extratropical cyclone development. The midlatitude circulation contribution to reintensification is characterized by comparing a control forecast made with an atmosphere-only version of the Coupled Ocean–Atmosphere Mesoscale Prediction System with a simulation in which the TC has been removed (NOTC). The midlatitude contribution is favorable if a significant extratropical cyclone forms in the NOTC si...

Zero-propellant maneuver guidance

Abstract: This article deals with a zero-propellant maneuver guidance (ZPM) architecture to provide large-angle ISS (International Space Station) rotations. ZPM guidance commands are designed to avoid CMG (control moment gyroscope) momentum saturation. CMG desaturation is required to maintain spacecraft control capability and the manipulator's direction. The ZPM momentum-optimal trajectories were developed using computational dynamic optimization, these optimal trajectories are used to shape the command to a standard feedback controller. Using ZPM, the need for thrusters as backup to momentum-storage actuators for rotational control is minimized.

Opening Statement

Abstract: Most people understand a computation as a process evoked when a computational agent acts on its inputs under the control of an algorithm. The classical Turing machine model has long served as the fundamental reference model because an appropriate Turing machine can simulate every other computational model known. The Turing model is a good abstraction for most digital computers because the number of steps to execute a Turing machine algorithm is predictive of the running time of the computation on a digital computer. However, the Turing model is not as well matched for the natural, interactive, and continuous information processes frequently encountered today. Other models whose structures more closely match the information processes involved give better predictions of running time and space. Models based on transforming representations may be useful.