Keyphrases
VHF Radar
100%
Taiwan
58%
Range Imaging
50%
Multi-frequency
46%
Field-aligned Irregularities
45%
Plasma Irregularities
41%
Terminal Velocity
40%
E-region
34%
FORMOSAT-3
33%
Electron Density
33%
Drop Size Distribution
32%
Backscatter
31%
Ionosphere
28%
Es Layer
28%
Ionosonde
27%
Doppler Velocity
27%
Plasma Structure
27%
Ultra-high Frequency
26%
COSMIC Satellites
25%
GPS Radio Occultation
24%
Precipitation Particles
22%
High-frequency Radar
22%
Phase Bias
21%
Sea Surface
20%
Capon Method
19%
Multi-receiver
19%
Direction of Arrival
19%
Mid-latitude
18%
F-region
18%
Radar Echo
18%
Nighttime
18%
Neutral Wind
18%
Gravity Waves
17%
Imaging Techniques
17%
Atmospheric Radar
16%
Phase Bias Estimation
16%
Radar System
16%
Ionospheric Electron Density
16%
Bright Band
16%
Sporadic E Layer
15%
Meteor Echoes
15%
Range Resolution
15%
Echo Power
15%
Electron Density Profile
14%
Receiving Channel
14%
Wind Velocity
14%
Electric Field (E-field)
14%
Melting Layer
13%
Mesosphere
13%
Spectral Width
13%
Earth and Planetary Sciences
Ionospherics
84%
Taiwan
68%
COSMIC
56%
Electron Density
56%
FORMOSAT
48%
E Region
43%
Atmospherics
37%
Global Positioning System
36%
Terminal Velocity
35%
Radar Echo
33%
Imaging Technique
32%
Wind Shear
32%
Radio Occultation
31%
Ionosondes
28%
Gravity Wave
26%
Interferometry
25%
Ocean Surface
24%
Drop Size
24%
Raindrop
24%
Upper Atmosphere
23%
Electric Field
23%
Mesosphere
21%
Ionospheric Electron Density
21%
Sidelobes
20%
Night Sky
20%
Information Retrieval
18%
Temperate Region
17%
Spectrum Analysis
16%
Particle Precipitation
16%
Meteor Trails
16%
Radar Imaging
16%
Semidiurnal Tide
15%
Sporadic E Layer
15%
Power Law
15%
Lower Thermosphere
13%
Electron Density Profiles
13%
Wind Velocity
12%
Fine Structure
12%
Beamforming
12%
Radar Beam
11%
Ionospheric Disturbance
10%
Radar Tracking
10%
Sounding Rocket
10%
Pulse Radar
10%
Power Spectra
10%
Coherent Radar
9%
Solar Eclipse
9%
International Geomagnetic Reference Field
9%
Space Weather
9%
Ionograms
8%
Engineering
Terminal Velocity
32%
Drop Size Distribution
20%
Radar Echo
18%
Range Resolution
17%
Doppler Velocity
16%
Delay Time
16%
Direction of Arrival
16%
Phase System
16%
Midlatitudes
16%
Field Region
16%
Melting Layer
13%
Radar Beam
12%
Radar Parameter
12%
Sidelobes
12%
Power Distribution
10%
Interferometry
10%
Electric Field
10%
Wind Shear
10%
Echo Power
9%
Signal-to-Noise Ratio
8%
Pulse Radar
8%
Ocean Surface
8%
Drift Velocity
8%
Reflectance
8%
Hydrometeor
8%
Multiple Frequency
8%
Phase Calibration
8%
Double Layer
8%
Field Line
8%
Aspect Angle
8%
Beamforming
8%
Temporal Signal
8%
Air Velocity
8%
High Resolution
7%
Theoretical Relation
6%
Gaussians
6%
Pulse Length
6%
Positive Value
6%
Temporal Variation
6%
Phase Code
6%
Source Region
6%
Frequency Domain
5%
Antenna
5%
Experimental Result
5%
Scale Structure
5%
Power Spectra
5%
Layer Structure
5%