Related Words

Amplitude (H): One-half the range of a constituent tide. By analogy, it may be applied also to the maximum speed of a constituent current.

Hydrogen (H): Atomic number: 1, Atomic mass: 1.007825 g.mol -1, Electronegativity: 2.1, Density: 0.0899*10 -3 g.cm -3 at 20 °C, Melting point: - 259.2 °C, Boiling point: - 252.8 °C, Vanderwaals radius: 0. . . . View Full Definition

Quadrature Amplitude Modulation (QAM): A method of modulating digital signals using both amplitude and phase coding. Used for downstream and can be used for upstream.

Amplitude Modulation (AM): In radio broadcasting, amethod of modulation in which the amplitude of the carrier voltage is varied in proportion to the changing frequency value of an applied (audio) voltage.

Amplitude Correction: correction of the 3D Fourier amplitudes of the EM density map after angular refinement. This correction can be based on an analytical formula, namely by application of a temperature factor w . . . View Full Definition

Amplitude Contrast Ratio: For a weak phase, weak amplitude object, the ratio Qo between the contrast transferred by cos(gamma) and sin(gamma) is called amplitude contrast ratio. It is different for different atoms, a . . . View Full Definition

Amplitude: The strength or intensity of an AC signal applied by the amplifiers output to a speaker's input. Also, a measure of the relative power of any variable recurring phenomenon. Typically, measur . . . View Full Definition