Wave Frequency: The number of cycle of waves that passes a point in one second. Frequency is measure in hertz (hz). Wave frequency is inversely proportional to wavelength.

 

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Wave Frequency: The number of cycle of waves that passes a point in one second. Frequency is measure in hertz (hz). Wave frequency is inversely proportional to wavelength.

Wavelength: The distance between one peak or crest of a sine wave and the next corresponding peak or crest. The wavelength of any frequency may be found by dividing the speed of sound by the frequency.

RF (Radio Frequency) Cable: A low quality signal sent over coaxial cable (used for cable TV). These cables were commonly used for old video game systems, and are still available for new ones. Produces the lowest qualit . . . View Full Definition

Seismic Surface Wave: A seismic wave that follows the earth's surface only, with a speed less than that of S-waves. There are Raleigh waves (forward and vertical vibrations) and Love waves (transverse vibrations).

S-Wave: Secondary seismic waves. A seismic wave with a direction of vibration that is perpendicular to the direction of travel. S-waves are slower than P-waves and travel only through solids.

Shallow Water Wave: A wave is classified as a shallow water wave whenever the ratio of the depth (the vertical distance of the still water level from the bottom) to the wave length (the horizontal distance betw . . . View Full Definition

Rossby Waves: The movement of ridges and troughs in the upper wind patterns, primarily the jet stream, circling the earth. Named for Carl-Gustaf Rossby, a U.S. Weather Bureau (NWS) employee, who first the . . . View Full Definition

Short Wave: A progressive wave of smaller amplitude, wave length, and duration than a long wave. It moves in the same direction as the basic current in which it is embedded and may induce upward vertica . . . View Full Definition

Standing Wave: A phenomenon where a sound is reflected between two parallel surfaces, such that certain sounds are made more intense and others diminished in given parts of a listening environment. Technic . . . View Full Definition

Spatial Frequency: (a) a vector giving the frequency components (number of cycles per unit length, kx and ky ) of a general 2D sine wave in x- and y-direction: or (b) the length of a spatial frequency vector. . . . View Full Definition