电子工程词典3

电子工程词典3
disk coil display loss 201


disk coil See DISK WINDING. of a wave into its various component frequencies
disk dynamo A rudimentary direct-current (dc) (as when white light is broken up into the color
generator, in which a copper disk rotates between spectrum by a prism). 3. The scattering of a mi-
the poles of a permanent magnet. The outer edge crowave beam when it strikes an obstruction. 4.
of the disk becomes positively charged; the center The scattering of sound or ultrasound as it em-
of the disk becomes negatively charged. anates from an acoustic transducer. 5. A suspen-
diskette A magnetic r