نتایج جستجو برای: military radar

تعداد نتایج: 79935  

2015
Xiang-Yang Chen

This paper aims at the problem of multi sensor station distribution, based on multi-sensor systems of different types as the research object, in the analysis of various types of sensors with different application background, different indicators of demand, based on the different constraints, for all kinds of multi sensor station is studied, the application of genetic algorithms as a tool for th...

1999
I. Pavlidis D. Perrin N. P. Papanikolopoulos W. Au S. Sawtelle

The performance of Computer Vision algorithms has made great strides and it is good enough to be useful in a number of civilian and military applications. Algorithm advancement in Automatic Target Recognition (ATR) in particular, has reached a critical point. State-of-the-art ATRs are capable of delivering robust performance for certain operational scenarios. As Computer Vision technology matur...

2004
Barry Roberts Banavar Sridhar

There exists a significant need for automatic obstacle detection systems onboard rotorcraft due to the heavy workload demands that are imposed upon the pilot and crew. The current purpose of obstacle detection systems is not to replace pilot functions; rather the systems must augment the pilot’s ability for the sake of improving mission safety. The benefits of such systems are needed in both mi...

Journal: :Computers & Electrical Engineering 2006
Tomaso de Cola Mario Marchese

The need for reliable data communication performed in critical conditions and the respect of real-time constraints is an open issue in radio-military networks, where fixed and nomadic terminals communicate by means of tactical radio infrastructures. In this perspective the need for real-time constraints plays a fundamental role when the interested applications are remote control, radar traces a...

2014
Nagendra Prasad Yadav

AbstractThis paper represents the design of microstrip patch antenna for X-band applications. This antenna can be designed at a single layer single patch four band, E-shape notch and symmetrically H-shape slots loaded compact antenna. The designed antenna can be used for Search and Rescue Radar Transponders (SART) and in Civil, Military Navigation Radars (MNR). The four band antenna is achieved...

2015
Young Joon Yoo Sanghyun Ju Sang Yoon Park Young Ju Kim Jihye Bong Taekyung Lim Ki Won Kim Joo Yull Rhee YoungPak Lee

Perfect metamaterial absorber (PMA) can intercept electromagnetic wave harmful for body in Wi-Fi, cell phones and home appliances that we are daily using and provide stealth function that military fighter, tank and warship can avoid radar detection. We reported new concept of water droplet-based PMA absorbing perfectly electromagnetic wave with water, an eco-friendly material which is very plen...

Journal: :Computers & Industrial Engineering 2009
Yung-Chia Chang Kuei-Hu Chang Cheng-Shih Liaw

Reliability allocation is one of the most important factors to consider when determining the reliability and competitiveness of a product. The feasibility-of-objectives (FOO) technique has become the current standard for assessing reliability designs for military mechanical–electrical systems, whereas the average weighting allocation method is widely used for commercial applications. However, a...

Journal: :CoRR 2010
Marten F. Byl James T. Demers Edward A. Rietman

Rapid identification of object from radar cross section (RCS) signals is important for many space and military applications. This identification is a problem in pattern recognition which either neural networks or support vector machines should prove to be high-speed. Bayesian networks would also provide value but require significant preprocessing of the signals. In this paper, we describe the u...

1999
Kim Luu Maurice Martin Alok Das

The Air Force Office of Scientific Research, the Defense Advanced Research Projects Agency, NASA, and industry are jointly sponsoring the development and launch of 12 university nanosatellites. Through this project, the 10 selected universities will conduct innovative, low-cost experiments to explore the military usefulness of distributed satellite systems and micro and nanotechnologies in supp...

2015

Abstract BACKGROUND: In 1970, a report from the former Soviet Union described the "microwave syndrome" among military personnel, working with radio and radar equipment, who showed symptoms that included fatigue, dizziness, headaches, problems with concentration and memory, and sleep disturbances. Similar symptoms were found in the 1980s among Swedes working in front of cathode ray tube monitors...

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