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wyszukanych pozycji: 40
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An Empirical Analysis of the Cascade Secret Key Reconciliation Protocol for Quantum Key Distribution
ISBN: 9781511581929 / Angielski / Miękka / 2015 / 80 str. Termin realizacji zamówienia: ok. 16-18 dni roboczych (Bez gwarancji dostawy przed świętami) The need to share key material with authorized entities in a secure, efficient and timely manner has driven efforts to develop new key distribution methods. The most promising method is Quantum Key Distribution (QKD) and is considered to be "unconditionally secure" because it relies upon the immutable laws of quantum physics rather than computational complexity. Unfortunately, the non-idealities present in actual implementations of QKD systems also result in errors manifested in the quantum data channel. As a consequence, an important component of any QKD system is the error reconciliation...
The need to share key material with authorized entities in a secure, efficient and timely manner has driven efforts to develop new key distribution me...
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cena:
120,86 zł |
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Trajectory Optimization for Spacecraft Collision Avoidance
ISBN: 9781500903138 / Angielski / Miękka / 2014 / 130 str. Termin realizacji zamówienia: ok. 16-18 dni roboczych (Bez gwarancji dostawy przed świętami) The last several decades have resulted in an unfortunate byproduct of space exploration and development: orbital debris. Satellites in Low Earth Orbit have been required to make an ever increasing number of course corrections in order to avoid collisions. Despite efforts to the contrary, collisions continue to occur, each time creating additional debris and increasing the requirement for the remaining satellites to maneuver. Every required maneuver decreases a satellite's service life. The purpose of this study is to develop a minimum thrust profile to maneuver an orbiting satellite out of...
The last several decades have resulted in an unfortunate byproduct of space exploration and development: orbital debris. Satellites in Low Earth Orbit...
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cena:
60,32 zł |
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PLC Hardware Discrimination Using RF-DNA Fingerprinting
ISBN: 9781511581912 / Angielski / Miękka / 2015 / 76 str. Termin realizacji zamówienia: ok. 16-18 dni roboczych (Bez gwarancji dostawy przed świętami) Programmable Logic Controllers are used to control and monitor automated process in many Supervisory Control and Data Acquisition (SCADA) critical applications. As with virtually all electronic devices, PLCs contain Integrated Circuits (IC) that are often manufactured overseas. ICs that have been unknowingly altered (counterfeited, manufactured with hardware Trojans, etc.) pose a significant security vulnerability. To mitigate this risk, the RF-Distinct Native Attribute (RF-DNA) fingerprinting process is applied to PLC hardware devices to augment bit-level security. RF-DNA fingerprints are...
Programmable Logic Controllers are used to control and monitor automated process in many Supervisory Control and Data Acquisition (SCADA) critical app...
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cena:
120,86 zł |
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Augmenting Latent Dirichlet Allocation and Rank Threshold Detection with Ontologies
ISBN: 9781502959485 / Angielski / Miękka / 2014 / 104 str. Termin realizacji zamówienia: ok. 16-18 dni roboczych (Bez gwarancji dostawy przed świętami) In an ever-increasing data rich environment, actionable information must be extracted, filtered, and correlated from massive amounts of disparate often free text sources. The usefulness of the retrieved information depends on how we accomplish these steps and present the most relevant information to the analyst. One method for extracting information from free text is Latent Dirichlet Allocation (LDA), a document categorization technique to classify documents into cohesive topics. Although LDA accounts for some implicit relationships such as synonymy (same meaning) it often ignores other...
In an ever-increasing data rich environment, actionable information must be extracted, filtered, and correlated from massive amounts of disparate ofte...
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cena:
52,26 zł |
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A Study of Dim Object Detection for the Space Surveillance Telescope
ISBN: 9781502359834 / Angielski / Miękka / 2014 / 60 str. Termin realizacji zamówienia: ok. 16-18 dni roboczych (Bez gwarancji dostawy przed świętami) |
cena:
52,26 zł |
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Street Gangs: A Modeling Approach to Evaluating "At Risk" Youth
ISBN: 9781511581905 / Angielski / Miękka / 2015 / 138 str. Termin realizacji zamówienia: ok. 16-18 dni roboczych (Bez gwarancji dostawy przed świętami) Street gangs have plagued the United States for decades. One focus of current gang prevention efforts strives to reduce the number of new recruits to local street gangs. This research proposes the use of modeling and decision analysis to aid in identifying potentially "at risk" children likely to join a street gang. A stronger means of identification of "at risk" children can lead to a more efficient placement of resources to reduce the number of street gang recruits.
Street gangs have plagued the United States for decades. One focus of current gang prevention efforts strives to reduce the number of new recruits to ...
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cena:
120,86 zł |
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An Analysis of Eye Movements With Helmet Mounted Displays
ISBN: 9781511581936 / Angielski / Miękka / 2015 / 102 str. Termin realizacji zamówienia: ok. 16-18 dni roboczych (Bez gwarancji dostawy przed świętami) Helmet or Head-Mounted Displays (HMD) applications have expanded to include a range from advanced military cockpits to consumer glasses. However, users have documented loss of legibility while undergoing vibration. Recent research indicates that undesirable eye movement is related to the vibration frequency a user experiences. In vibrating environments, two competing eye reflexes likely contribute to eye movements. The Vestibulo-ocular Reflex responds to motion sensed in the otoliths while the pursuit reflex is driven by the visual system to maintain the desired image on the fovea. This study...
Helmet or Head-Mounted Displays (HMD) applications have expanded to include a range from advanced military cockpits to consumer glasses. However, user...
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cena:
120,86 zł |
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Critical Elements and Needs for Nuclear Weapons Maintenance: A Delphi Study
ISBN: 9781500974107 / Angielski / Miękka / 2014 / 74 str. Termin realizacji zamówienia: ok. 16-18 dni roboczych (Bez gwarancji dostawy przed świętami) From the end of the Cold War in the early 1990s thru 2007, the focus and attention given to the Air Force's nuclear mission noticeably declined. The organizational changes, downsizing, and increased focus on conventional missions made the concerns of the nuclear forces less pressing as senior leaders became less involved in the Nuclear Enterprise. The nuclear readiness of organizations, personnel, policies, procedures and processes all gradually declined culminating in two high profile incidents which revealed the drastic state of degradation. These incidents led to numerous high level...
From the end of the Cold War in the early 1990s thru 2007, the focus and attention given to the Air Force's nuclear mission noticeably declined. The o...
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cena:
60,32 zł |
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Intelligence Sharing, Fusion Centers, and Homeland Security
ISBN: 9781502959454 / Angielski / Miękka / 2014 / 56 str. Termin realizacji zamówienia: ok. 16-18 dni roboczych (Bez gwarancji dostawy przed świętami) The final report by the bipartisan National Commission on Terrorist Attacks (2004) concluded that the attacks on September 11, 2001 were partly successful because information was not shared properly between agencies. Since that time, the Department of Homeland Security (DHS) and the Department of Defense (DoD) have created a variety of programs and implemented numerous strategies to build a system of information sharing that could detect and prevent large scale physical or cyber terrorist attacks against the critical infrastructures of the United States. The development of "Fusion Centers"...
The final report by the bipartisan National Commission on Terrorist Attacks (2004) concluded that the attacks on September 11, 2001 were partly succes...
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cena:
52,26 zł |
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Routing Unmanned Aerial Vehicles (UAVs) to Co-optimize Mission Effectiveness and Network Performance with Dynamic Programming
ISBN: 9781503098763 / Angielski / Miękka / 2014 / 112 str. Termin realizacji zamówienia: ok. 16-18 dni roboczych (Bez gwarancji dostawy przed świętami) In support of the Air Force Research Laboratory's (AFRL) vision of the layered sensing operations center, command and control intelligence surveillance and reconnaissance (C2ISR) more focus must be placed on architectures that support information systems, rather than just the information systems themselves. By extending the role of UAVs beyond simply intelligence, surveillance, and reconnaissance (ISR) operations and into a dual-role with networking operations we can better utilize our information assets. To achieve the goal of dual-role UAVs, a concrete approach to planning must be taken....
In support of the Air Force Research Laboratory's (AFRL) vision of the layered sensing operations center, command and control intelligence surveillanc...
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cena:
52,26 zł |
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Modeling and Analysis of Clandestine Networks
ISBN: 9781499375992 / Angielski / Miękka / 2014 / 222 str. Termin realizacji zamówienia: ok. 16-18 dni roboczych (Bez gwarancji dostawy przed świętami) |
cena:
72,43 zł |
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Implementing Electronic Data Interchange to Provide In-Transit Visibility
ISBN: 9781508830825 / Angielski / Miękka / 2015 / 84 str. Termin realizacji zamówienia: ok. 16-18 dni roboczych (Bez gwarancji dostawy przed świętami) Computers. information systems. and communications systems are being used in the transportation industry to replace cumbersome, paper-based communications processes. In every US contingency, the lack of visibility over troop movements and cargo shipments has limited the military's ability to effectively conduct operational plans. Current Department of Defense (DoD) initiatives provide some level of in- transit visibility (ITV). but are we using effective tools to gain ITV of all DoD assets within the Defense Transportation System (DTS) The purpose of this study is to address the ITV issues...
Computers. information systems. and communications systems are being used in the transportation industry to replace cumbersome, paper-based communicat...
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cena:
52,26 zł |
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Strengthening DoD Cyber Security with the Vulnerability Market
ISBN: 9781500750152 / Angielski / Miękka / 2014 / 70 str. Termin realizacji zamówienia: ok. 16-18 dni roboczych (Bez gwarancji dostawy przed świętami) Every year, the DoD upgrades its information technology systems, allows new applications to connect to the network, and reconfigures the Enterprise to gain efficiencies. While these actions are to better support the warfighter and satisfy national security interests, they introduce new system vulnerabilities waiting to be exploited. Often, these vulnerabilities are discovered after the system has already deployed and where costs to fix are much larger. This paper recommends the DoD adopt an Information Assurance tactic to limit these costs, called the vulnerability market. Through use of the...
Every year, the DoD upgrades its information technology systems, allows new applications to connect to the network, and reconfigures the Enterprise to...
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cena:
60,32 zł |
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Speech Recognition Using the Mellin Transform
ISBN: 9781502959430 / Angielski / Miękka / 2014 / 54 str. Termin realizacji zamówienia: ok. 16-18 dni roboczych (Bez gwarancji dostawy przed świętami) The purpose of this research was to improve performance in speech recognition. Specifically, a new approach was investigating by applying an integral transform known as the Mellin transform (MT) on the output of an auditory model to improve the recognition rate of phonemes through the scale-invariance property of the Mellin transform. Scale-invariance means that as a time-domain signal is subjected to dilations, the distribution of the signal in the MT domain remains unaffected. An auditory model was used to transform speech waveforms into images representing how the brain "sees" a sound. The...
The purpose of this research was to improve performance in speech recognition. Specifically, a new approach was investigating by applying an integral ...
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cena:
52,26 zł |
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Gravitational Lens: Deep Space Probe Design
ISBN: 9781503040502 / Angielski / Miękka / 2014 / 106 str. Termin realizacji zamówienia: ok. 16-18 dni roboczych (Bez gwarancji dostawy przed świętami) |
cena:
52,26 zł |
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Dynamic Bayesian Networks as a Probabilistic Metamodel for Combat Simulation
ISBN: 9781507563045 / Angielski / Miękka / 2015 / 120 str. Termin realizacji zamówienia: ok. 16-18 dni roboczych (Bez gwarancji dostawy przed świętami) Simulation modeling is used in many situations. Simulation meta-modeling is used to estimate a simulation model result by representing the space of simulation model responses. Metamodeling methods are particularly useful when the simulation model is not particularly suited to real-time or mean real-time use. Most metamodeling methods provide expected value responses while some situations need probabilistic responses. This research establishes the viability of Dynamic Bayesian Networks for simulation metamodeling, those situations needing probabilistic responses. A bootstrapping method is...
Simulation modeling is used in many situations. Simulation meta-modeling is used to estimate a simulation model result by representing the space of si...
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cena:
52,26 zł |
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"To Be Or Not To Be": Perceived Benefits of Mentoring in the United States Air Force
ISBN: 9781500500443 / Angielski / Miękka / 2014 / 102 str. Termin realizacji zamówienia: ok. 16-18 dni roboczych (Bez gwarancji dostawy przed świętami) Present study examined the perceived benefits of mentoring, in direct opposition to not mentoring, for four USAF career-success influencing variables. Data derived from the November 2008 Status of Forces Survey of Active Duty Members from U.S. Air Force members (n = 2487) analyzed via independent sample t-test comparing mentored (n = 1745) and non-mentored (n = 742) Airmen. This research effort tested whether Airmen's' perceptions differed concerning overall stress, retention, job satisfaction, and organizational commitment. Results indicate mentor-protege relationships did not appear to...
Present study examined the perceived benefits of mentoring, in direct opposition to not mentoring, for four USAF career-success influencing variables....
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cena:
52,26 zł |
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United States Security Assistance 1977-1980: Human Right issues Affecting Arms Transfers
ISBN: 9781511658218 / Angielski / Miękka / 2015 / 98 str. Termin realizacji zamówienia: ok. 16-18 dni roboczych (Bez gwarancji dostawy przed świętami) The 1970s were a period of great transition for the United States. Plagued by the Vietnam conflict, a conflict which we could never win because of poor planning and lack of resolve by government officials in the highest office, and the Watergate debacle, where our government veered out of control, the time was ripe for change. Which is precisely why the ideals and philosophies of one James Earl Carter enabled him to ascend to become the 39th President of the United States. President Carter entered office pledging the United States would lead the way in the restriction of weapons exports and...
The 1970s were a period of great transition for the United States. Plagued by the Vietnam conflict, a conflict which we could never win because of poo...
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cena:
52,26 zł |
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Sensitivity Analysis of an Auto-mated Calibration Routine for Airborne Cameras
ISBN: 9781500891022 / Angielski / Miękka / 2014 / 120 str. Termin realizacji zamówienia: ok. 16-18 dni roboczych (Bez gwarancji dostawy przed świętami) Given a known aircraft location, a set of camera calibration parameters can be used to correlate features in an image with ground locations. Previously, these calibration parameters were obtained during preflight with a lengthy calibration process. A method to automate this calibration using images taken with an aircraft mounted camera and position and attitude data is developed. This thesis seeks to determine a partial set of circumstances that affect the accuracy of the calibration results through simulation and experimental flight test. A software simulator is developed in which to test an...
Given a known aircraft location, a set of camera calibration parameters can be used to correlate features in an image with ground locations. Previousl...
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cena:
60,32 zł |
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Remotely Piloted Aircraft (RPA) Performing the Air Refueling Mission
ISBN: 9781502477507 / Angielski / Miękka / 2014 / 122 str. Termin realizacji zamówienia: ok. 16-18 dni roboczych (Bez gwarancji dostawy przed świętami) |
cena:
60,32 zł |
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