Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
frequency  | |
|---|---|
| RT | broad-band spectra |
| Doppler effect | |
| frequency domain analysis | |
| frequency sounding | |
| periodicity | |
| recurrence interval | |
| seismic coherency | |
| SN | Used as a general term. |
| frequency distribution | |
|---|---|
| SN | Not a valid term for GeoRef. For statistical frequency distribution, use statistical distribution. For seismology or geophysical methods, use frequency. |
| frequency domain analysis | |
|---|---|
| RT | analysis |
| elastic waves | |
| electromagnetic methods | |
| frequency | |
| geophysical methods | |
| seismic coherency | |
| seismic methods | |
| seismology | |
| time domain analysis | |
| SN | Added to Thesaurus in 1985. |
| frequency sounding | |
|---|---|
| RT | deep sounding |
| frequency | |
| geophysical methods | |
| geophysical surveys | |
| sounding | |
| SN | Added to Thesaurus in 1982. |