 |
| |||
| spectral density; spectrum density | |||
| spectral concentration | |||
| spectral distribution of a radiant, luminous or photon quantity | |||
| spectral density function | |||
| mean spectral density | |||
| power spectral density; mean-squared spectral density | |||
| densité spectrale: 78 phrases in 11 subjects |
| Antennas and waveguides | 2 |
| Communications | 6 |
| Construction | 1 |
| Earth sciences | 11 |
| Electronics | 23 |
| Life sciences | 1 |
| Lighting other than cinema | 4 |
| Metrology | 3 |
| Nuclear physics | 1 |
| Technology | 25 |
| Transport | 1 |