multiple-frequency conversion
91Electric power transmission — Electric transmission redirects here. For vehicle transmissions, see diesel electric transmission. 400 kV high tension transmission lines near Madrid Electric power transmission or high voltage electric transmission is the bulk transfer of… …
92Inverter (electrical) — An inverter is an electrical device that converts direct current (DC) to alternating current (AC)[1]; the converted AC can be at any required voltage and frequency with the use of appropriate transformers, switching, and control circuits. Solid… …
93Analytic signal — Not to be confused with Analytic function. In mathematics and signal processing, the analytic representation of a real valued function or signal facilitates many mathematical manipulations of the signal. The basic idea is that the negative… …
94Optical heterodyne detection — is an important special case of heterodyne detection. In heterodyne detection, a signal of interest at some frequency is non linearly mixed with a reference local oscillator (LO) that is set at a close by frequency. The desired outcome is the… …
95Digital Audio Broadcasting — For other digital audio broadcasting systems, see Digital radio.   Countries with regular services …
96Digital terrestrial television — List of digital television broadcast standards DVB standards (Europe) DVB S (satellite) DVB S2 DVB T (terrestrial) DVB T2 DVB C …
97Tuberculosis treatment — Various pharmaceutical tuberculosis treatments their actions Tuberculosis treatment refers to the medical treatment of the infectious disease tuberculosis (TB). The standard short course treatment for TB is isoniazid, rifampicin (also known as… …
98Waxy corn — (maize) was found in China in 1909. As this plant showed many peculiar traits, the American breeders long used it as a genetic marker to tag the existence of hidden genes in other maize breeding programs. In 1922 a researcher found that the… …
99Single-carrier FDMA — (SC FDMA) is frequency division multiple access scheme. It can be viewed as a linearly precoded OFDMA scheme, henceforth LP OFDMA. Or, it can be viewed as a single carrier multiple access scheme. One prominent advantage over conventional OFDMA is …
100evolution — evolutional, adj. evolutionally, adv. /ev euh looh sheuhn/ or, esp. Brit., /ee veuh /, n. 1. any process of formation or growth; development: the evolution of a language; the evolution of the airplane. 2. a product of such development; something… …
