carrier-free method

  • 111Phreaking — is a slang term coined to describe the activity of a subculture of people who study, experiment with, or explore telecommunication systems, like equipment and systems connected to public telephone networks. The term phreak is a portmanteau of the …

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  • 112Indira Gandhi International Airport — इन्दिरा गाँधी अंतर्राष्ट्रीय हवाई अड्डा …

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  • 113Organic light-emitting diode — Demonstration of a flexible OLED device A green emitting OLED device An …

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  • 114Voicemail — (also known as voice mail, voice message, or voice bank) is a computer based system that allows users and subscribers to exchange personal voice messages; to select and deliver voice information; and to process transactions relating to… …

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  • 115Blood substitutes — Blood substitutes, often called artificial blood, are used to fill fluid volume and/or carry oxygen and other blood gases in the cardiovascular system. Although commonly used, the term is not accurate since human blood performs many important… …

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  • 116Polaron — A polaron is a quasiparticle composed of a charge and its accompanying polarization field. A slow moving electron in a dielectric crystal, interacting with lattice ions through long range forces will permanently be surrounded by a region of… …

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  • 117FM broadcasting — See also: frequency modulation and FM broadcast band FM broadcasting is a broadcasting technology pioneered by Edwin Howard Armstrong which uses frequency modulation (FM) to provide high fidelity sound over broadcast radio. The term FM band… …

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  • 118Military simulation — Participants from five nations (Singapore, United Kingdom, Malaysia, Australia and New Zealand) conduct a map exercise during Exercise SUMAN Warrior 2006 Military simulations, also known informally as war games, are simulations in which theories… …

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  • 119Glossary of fuel cell terms — The Glossary of fuel cell terms lists the definitions of many terms used within the fuel cell industry. The terms in this glossary may be used by fuel cell industry associations, in education material and fuel cell codes and standards to name but …

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  • 120telecommunications network — Introduction       electronic system of links and switches, and the controls that govern their operation, that allows for data transfer and exchange among multiple users.  When several users of telecommunications media wish to communicate with… …

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