We live in a material world. In today’s society, virtually every segment of our everyday life is influenced by the limitations, availability, and economic considerations of the materials used. There are more than five trillion plastic pieces in the world’s oceans, an estimated 15 billion trees are cut down each year …
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The current Armed drones like Predators and Reapers are essentially remote controlled that is they involve human operators remotely controlling the vehicle with the assistance of fairly low levels of automation for some functions (e.g., the operator specifies waypoints to be followed by the platform). Systems like these have proved …
Read More »Software Defined Radio (SDR) refers to a radio communication system where most of the traditional radio hardware components, such as filters, amplifiers, and modulators/demodulators, are replaced with software running on a general-purpose computer. In an SDR system, the analog signals received by the antenna are digitized by an analog-to-digital converter …
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Spacecraft are man-made machines that operate in space. An orbiting spacecraft is normally referred to as a satellite, although it is manmade as opposed to a natural satellite like our moon. A spacecraft is typically subdivided into two major parts, the payload and the bus. The bus provides the structural body …
Read More »The composites industry is constantly being shaped and reshaped by myriad forces – people, markets, technologies – all stimulating innovative new ways to apply fiber-reinforced materials in everything from boats and wind blades to airplanes and automobiles Thermoplastics are synthetic plastics that can be melted, shaped, and cooled to …
Read More »Transmission Line principles Transmission lines are means of transporting RF energy between subsystems. A simple wire lead does not work well for RF and microwave applications due to its large dimensions relative to a wavelength and losses due to the skin effect. To take into account the unique characteristics of …
Read More »Intelligence, in military science, information concerning an enemy or an area. The term is also used for an agency that gathers such information. Military intelligence is as old as warfare itself. Even in biblical times, Moses sent spies to live with the Canaanites in order to learn about their ways and …
Read More »Mechanical-Systems (MEMS) is the integration of mechanical elements (levers, springs, deformable membranes, vibrating structures, etc.), sensors, actuators, and electronics (resistors, capacitors, inductors, etc.) on a common silicon substrate through microfabrication technology. MEMS devices are today considered as one among the most promising technologies of this century, capable to revolutionize the …
Read More »An “embedded system” is a word made by shortening “computer embedded system” meaning a system product or an electronic device into which a computer has been integrated. An embedded system is a controller that sits within a larger system in order to perform a dedicated function. An embedded system is …
Read More »A typical passenger vehicle emits about 4.6 metric tons of carbon dioxide per year. This assumes the average gasoline vehicle on the road today has a fuel economy of about 22.0 miles per gallon and drives around 11,500 miles per year. Every gallon of gasoline burned creates about 8,887 grams …
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