http://www.ntis.gov/rss/RSSNTISCategoryList.aspxNational Technical Reports Libraryen(c) 2008, National Technical Information Service. All rights reserved.5http://www.ntis.gov/images/logoRSS.jpghttp://www.ntis.govMonitoring teams of decision-makers in complex military environments requires effective tracking of individual Soldier and team performance. An untapped source of timely and diagnostic performance information lies in ongoing communications among Sold ...http://www.ntis.gov/search/product.aspx?ABBR=ADA506208We study time delay estimation (TDE) on parallel channels with flat fading. Several models for the channel gains are considered, and for each case we present the maximum likelihood estimator (MLE), the Cramer-Rao bound (CRB), and the Ziv-Zakai bound ...http://www.ntis.gov/search/product.aspx?ABBR=ADA505459A primary question in our research is to determine how much sensory processing is necessary to maintain a network's resiliency to fission, or collapse, while minimizing the degree of disorder in communication. Biological components capable of governi ...http://www.ntis.gov/search/product.aspx?ABBR=ADA505899The Army's myriad social networks connect not only humans and soldiers, but also machines, computers, and robots. And most of the social/biological/ physical/informational connections in these networks are in the form of cooperation - entities workin ...http://www.ntis.gov/search/product.aspx?ABBR=ADA505995A new type of RF-photonic channelizer is demonstrated which makes use of a pulse replication loop to realize a true time domain correlation receiver. We have demonstrated, for the first time, a one-step channelization of a total bandwidth of 1.3 GHz ...http://www.ntis.gov/search/product.aspx?ABBR=ADA505833Advances in sensor imaging technologies permit the Soldier to extend mission performance beyond daytime operations and into the night. Visual helmet- mounted displays (HMDs) have increasingly been used to provide supplemental information to the Soldi ...http://www.ntis.gov/search/product.aspx?ABBR=ADA505752The Social Security Administration (SSA) receives electronic data from other agencies to support its own programs, and provides electronic data to support more than 800 state and federal agency partners. This information aids in, among other things, ...http://www.ntis.gov/search/product.aspx?ABBR=PB2010101341Corrugated feed horns offer excellent beam symmetry, main beam efficiency, and cross-polar response over wide bandwidths, but can be challenging to fabricate. An easier-to-manufacture smooth-walled feed is explored that approximates these properties ...http://www.ntis.gov/search/product.aspx?ABBR=N20090026965During the course of nearly two years, the Center for Technology and National Security Policy (CTNSP), National Defense University (NDU), has conducted extensive research to identify and explore major cyber issues. These activities were performed in ...http://www.ntis.gov/search/product.aspx?ABBR=ADA505424This paper presents an approximate analysis approach to the computation of probability of error and mean burst error length for a decision feedback equalizer (DFE) that takes into account feedback of decision errors. The method uses a reduced-state M ...http://www.ntis.gov/search/product.aspx?ABBR=ADA505689The paper presents the problem of decentralized control with communication between controllers. It differs from the regularly considered decentralized control problem in that the controllers can communicate information. Major questions are then: What ...http://www.ntis.gov/search/product.aspx?ABBR=PB2010101524We are in the midst of a revolution in military affairs unlike any seen since the Napoleonic Age, when France transformed warfare with the concept of levee en masse. This revolution is the transition from platform-centric warfare to network-centric w ...http://www.ntis.gov/search/product.aspx?ABBR=ADA505514With the use of computers, paper questionnaires are being replaced by electronic questionnaires. The formats of traditional paper questionnaires have been found to effect a subject's rating. Consequently, the transition from paper to electronic forma ...http://www.ntis.gov/search/product.aspx?ABBR=N20090028634In this article, we report on the successful demonstration of lead zirconate titanate (PZT) thin film based MEMS devices for use in radio frequency (RF) systems. Individual series switches and single pole multi-throw switching elements operating at o ...http://www.ntis.gov/search/product.aspx?ABBR=ADA505912Accurately estimating the person's head position and orientation is an important task for a wide range of applications such as driver awareness and human-robot interaction. Over the past two decades, many approaches have been suggested to solve this ...http://www.ntis.gov/search/product.aspx?ABBR=ADA505847In 1986, Congress established the U.S. Special Operations Command (SOCOM) as a new unified command to oversee training, doctrine, and equipping of all Special Operations Forces (SOF). Headquartered at MacDill Air Force Base, Florida, SOCOM is command ...http://www.ntis.gov/search/product.aspx?ABBR=PB2010101118This report examines Member use of one specific new electronic communication medium: Twitter. After providing an overview and background of Twitter, the report analyzes patterns of Member use of Twitter during two one-week periods in July and August ...http://www.ntis.gov/search/product.aspx?ABBR=PB2010101785Recent developments in communication systems technology promise to greatly improve the performance of point-to-point communications for both commercial and tactical networks. These developments include the use of electronically steerable antenna arra ...http://www.ntis.gov/search/product.aspx?ABBR=ADA505434Recent developments in communication systems technology promise to greatly improve the performance of point-to-point communications for both commercial and tactical networks. These developments include the use of electronically steerable antenna arra ...http://www.ntis.gov/search/product.aspx?ABBR=ADA505897We describe a text classification approach based on statistical language modeling. We show how this approach can be used for several natural language processing tasks in a virtual human system. Specifically, we show it can be applied to language unde ...http://www.ntis.gov/search/product.aspx?ABBR=ADA505848In order to extend the usefulness of small unmanned ground vehicles (UGVs) to a wider range of missions, we are developing techniques to enable high-speed teleoperated control. Our goal is to quadruple the speed of teleoperated UGVs compared to curre ...http://www.ntis.gov/search/product.aspx?ABBR=ADA505724This study analyzes the theories of Pragmatic Communications, Cybernetics, and Perturbation under the framework of the Pragmatic Complexity Model to illustrate how two Presidential administrations beginning in the 20th and 21st centuries used 'new me ...http://www.ntis.gov/search/product.aspx?ABBR=ADA506217While the military was once at the forefront of technological advances, it is now trying to keep pace with the civilian sector. The technological explosion during the past decade has forever changed the world and the Marine Corps, for which technolog ...http://www.ntis.gov/search/product.aspx?ABBR=ADA505610A feeder program is utilized for collecting and reading in and maintaining a time synchronization for combat fire solutions which may include threat containment regions. The threat containment regions are defined in terms of a probability of at least ...http://www.ntis.gov/search/product.aspx?ABBR=ADD020411In this paper we examine two couplings that produce time-shifted synchronization in a pair of chaotic oscillators. The couplings do not utilize an explicit time-delay term. We characterize the observed synchronization by determining the dependence of ...http://www.ntis.gov/search/product.aspx?ABBR=ADA505972Two overarching needs of the U.S. Special Operations Command (SOCOM) drove this study by the Committee on Universal Radio Frequency System for Special Operations Forces: (1) reduce the quantity and weight of equipment carried on a mission and (2) add ...http://www.ntis.gov/search/product.aspx?ABBR=PB2010101117The unit of action signal company faces serious challenges in keeping its soldiers trained and ready. As the Army transforms to the objective force and becomes more digitized, the signal corps will be responsible for an increasing amount of communica ...http://www.ntis.gov/search/product.aspx?ABBR=ADA505519Whenever aircraft fail to arrive in response to a request from the ground, whatever the reason, the reaction is almost certain to be one of irritation.' This quote addresses only one function of Marine aviation performed by the Marine Air Command and ...http://www.ntis.gov/search/product.aspx?ABBR=ADA505355The U.S. Army Center for Health Promotion and Preventive Medicine (USACHPPM) maintains an injury surveillance system for deployed Soldiers. U.S. Transportation Command's Regulating and Command & Control Evacuation System (TRAC2ES) data for Soldiers m ...http://www.ntis.gov/search/product.aspx?ABBR=ADA505957Email provides a rich source of longitudinal social network data that can be used for applications ranging from command and control, to military intelligence, to basic social science research. This project reviews several methods available to extract ...http://www.ntis.gov/search/product.aspx?ABBR=ADA505804From the early Working Group meetings to the production of the D-model AH-64 Apache attack helicopter, the US Army Aeromedical Research Laboratory (USAARL) has provided research efforts and subject matter expertise in support of the Apache's helmet-m ...http://www.ntis.gov/search/product.aspx?ABBR=ADM001284An immersive technology being developed by the Army to provide enhanced situation awareness for military personnel involves the use of tactile stimulators arranged in a matrix pattern surrounding the torso. When activated sequentially the tactile dis ...http://www.ntis.gov/search/product.aspx?ABBR=ADA505849In December 1993, an NIJ advisory council identified instant language translation as an immediate law enforcement technology priority. In this high-tech age, the council reasoned, there must be an economical, technological means to assist officers in ...http://www.ntis.gov/search/product.aspx?ABBR=PB2010101979We investigate the impact of node capture attacks on the confidentiality and integrity of network traffic. We map the compromise of network traffic to the flow of current through an electric circuit and propose a metric for quantifying the vulnerabil ...http://www.ntis.gov/search/product.aspx?ABBR=ADA505636