| spectrum |
Relating to any transmissions or reception of electromagnetic waves.
출처: www.vapda.org/bylaw/gloss.htm
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| spectrum |
This describes the wavelengths of light that make up the light source. Visible light is a continuous band of colors ranging from violet to red (wavelengths of 380 nanometers to 700 nanometers). Sunlight and incandescent light is composed of all visible wavelengths. Fluorescent and metal halide bulbs emit only a few wavelengths, depending on the phosphors or rare earths used.
출처: aquaticconcepts.thekrib.com/Lights/
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| spectrum |
a means of charting the order of radio and television signals in terms of their physical wavelength. A continuous range of frequencies in the earth
출처: www.mpbn.net/dtv/glossary.html
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| spectrum |
TV signals are transmitted on certain frequencies within the electromagnetic spectrum. Allocation of these frequencies is managed and regulated in the UK by the Radio Communications Agency.
출처: www.skyhomes.info/jargon_bust.html
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