For integrated circuits such as very large scale integrated (VLSI) circuits to work properly, signals traveling on them must arrive at their destination at the proper time. However, there are many sou...
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Domino logic circuit techniques have been extensively applied in modern high-performance microprocessors because of their superior speed and area characteristics as compared to static complementary me...
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All digital devices, from computers to stopwatches, contain circuits composed of numerous electrical components.  Most circuits are designed to allow for some flexibility in signal timing because of ...
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Radiation therapists must carefully determine beam angles and radiation dose to accurately target tumors while avoiding healthy tissue.  Of special importance are nearby organs-at-risk, which often a...
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Network intrusion detection systems (NIDS) help protect computer and telecommunication networks from worms, viruses and other malicious software, known as malware. NIDS rely on a set of signatures to ...
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Systems based on terahertz (THz) radiation technology show promise for communication and imaging applications.  These systems can penetrate through many materials and are sensitive enough to resonate...
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Quantum computing uses packets of information called quantum bits, or qubits, which can have a value of zero and one at the same time, allowing operations such as prime factorization to be performed m...
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To improve the speed of a computer program, computer systems run instructions from a program in parallel, but maintain the effect of running these instructions one after another. Systems with multiple...
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Wireless communication devices typically operate in one of two bands of the electromagnetic spectrum. The bands are divided into several channels set at center frequencies, but many partially overlap ...
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Wireless local area networks (WLANs) operate in a limited spectrum. As a result, WLANs require the efficient management of bandwidth to provide adequate access to networks. Computers and other devices...
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High-speed wireless data communications systems, such as wireless metropolitan area networks (MANs) operating with multiple input-multiple output (MIMO) systems, use multiple antennas on transmitters ...
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Detecting and stopping malware―viruses, trojans, bots and spyware―from infecting a computer is a challenge because of its rapidly changing nature. Existing techniques either use signature-based sc...
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Quantum-entanglement is a phenomenon in which the quantum states of two objects become correlated and remain correlated, even when the objects are physically separated from each other. Quantum-entangl...
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Synthetic aperture radar (SAR) is an active remote sensing technique used for measuring geophysical activity on the Earth’s surface. It records microwaves transmitted by a sensor (usually aboard a s...
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Complementary metal-oxide semiconductor (CMOS) technology is commonly used in integrated circuits for microelectronics. Current is produced in semiconductor devices by using mobile charge carriers, ei...
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Today, computer processors may have dual or multiple “cores,” the processing parts of central processing unit (CPU) chips, to exploit increasing transistor density. Typically, cores are provisione...
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Virtual testing of a 3-D solid model is a time consuming part of product design before manufacturing. Engineers often use a software modeling tool called Finite Element Analysis (FEA) to speed up the ...
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In modern high-performance microprocessor circuits, gates made of an oxide, such as SiO2, act as insulators. As electronic devices become increasingly miniaturized, gates are becoming smaller and may ...
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