照明术语（Lighting terminology）.docVIP

照明术语（Lighting terminology） 1, focus on lighting (accent lighting) A directional illumination used to emphasize a particular object or a part of an eye 2, the adjustment (accommodation) The process of changing the focus of ones eyes from one point to another 3, adaptation (adaptation) Refers to the process of adjusting more or less or different colors of the human visual system, which affects visual acuity 4, ambient lighting (ambient lighting) That can be generated in the region of general lighting lighting The average brightness of the 5 surface (average luminance, of, a surface) Refers to the actual illumination area on the left of the luminous flux per unit area total lumen The average brightness of the 6 lamp (average, luminance, of a luminaire) The luminosity of a given angle divided by the projected area of the luminaire in that direction 7, the shelter (baffle) Of a specific angle; obscuring light; directly irradiating or absorbing opaque or semitransparent objects that do not require light 8, stabilizer (ballast) A device used in conjunction with a discharge lamp to obtain the current, voltage, and waveform of the circuit necessary for starting and running 9, beam angle (beam angle) Of an angle perpendicular to one of the central rays of a vertical beam, with an angle equal to two of the maximum luminosity of 50% 10, brightness (brightness) Refer to subjective, brightness, luminance, veiling, luminance 11, candela (candela, CD) A unit of reference, FIG. F1, with a point source as the center and a radius of one meter as a sphere. If the beam of this sphere is a lumen of one square meter, the luminosity in this direction is called a new candle 12, candle power (candle power) I=dX/dS, with a new candle 13, photometric light curves (candle power distribution curve) A curve in which the luminosity of a lamp or luminaire is plotted by polar coordinates on a flat surface 14, high roof window lighting (clere story) The lighting design of a building with a transparen