Physics & Astronomy
radio occultation
100%
Global Positioning System
98%
internal waves
81%
gravity waves
62%
atmospheres
44%
gradients
20%
tropopause
17%
refractivity
14%
stratosphere
14%
tropical regions
13%
wave dispersion
12%
payloads
11%
monitors
9%
perturbation
7%
sensitivity
6%
estimates
6%
profiles
5%
polarization
5%
Earth & Environmental Sciences
internal wave
68%
radio
54%
GPS
50%
gravity wave
45%
atmosphere
36%
method
13%
wave dispersion
11%
tropopause
10%
geographical distribution
9%
vertical profile
8%
stratosphere
8%
polarization
7%
perturbation
7%
speed
5%
monitoring
4%
Agriculture & Biology
gravity waves
98%
global positioning systems
82%
radio
64%
tropopause
19%
methodology
16%
stratosphere
15%
monitoring
11%
minisatellite repeats
10%
geographical distribution
7%
Chemical Compounds
Wave
58%
Gravity
32%
Stratosphere
8%
Phase Property
7%
Polarization
4%
Molecular Cluster
3%