Keyphrases
VHF Radar
100%
Taiwan
62%
Range Imaging
58%
Multi-frequency
49%
Field-aligned Irregularities
43%
Plasma Irregularities
41%
Terminal Velocity
40%
Ultra-high Frequency
34%
E-region
34%
FORMOSAT-3
33%
Electron Density
33%
Drop Size Distribution
32%
Backscatter
31%
High-frequency Radar
30%
Doppler Velocity
30%
Ionosonde
29%
Ionosphere
28%
Es Layer
28%
COSMIC Satellites
25%
GPS Radio Occultation
24%
Precipitation Particles
22%
Radar Echo
22%
Capon Method
22%
Phase Bias
21%
Sea Surface
20%
Echo Power
20%
Plasma Structure
19%
Multi-receiver
19%
Direction of Arrival
19%
F-region
18%
Nighttime
18%
Neutral Wind
17%
Range Resolution
17%
Gravity Waves
17%
Imaging Techniques
17%
Weight Function
16%
Atmospheric Radar
16%
Phase Bias Estimation
16%
Spectral Analysis
16%
High Range Resolution
16%
Radar System
16%
Spectral Width
16%
Ionospheric Electron Density
16%
Bright Band
16%
Range Weighting
16%
Sporadic E Layer
15%
Meteor Echoes
15%
Electron Density Profile
14%
Receiving Channel
14%
Wind Velocity
14%
Earth and Planetary Sciences
Ionospherics
81%
Taiwan
73%
Electron Density
56%
COSMIC
55%
FORMOSAT
47%
E Region
43%
Radar Echo
37%
Atmospherics
37%
Terminal Velocity
35%
Imaging Technique
32%
Meteor
32%
Global Positioning System
32%
Ionosondes
29%
Radio Occultation
27%
Information Retrieval
26%
Wind Shear
24%
Gravity Wave
24%
Ocean Surface
24%
Drop Size
24%
Raindrop
24%
Spectrum Analysis
24%
Interferometry
22%
Ionospheric Electron Density
21%
Upper Atmosphere
21%
Night Sky
20%
Power Spectra
18%
Particle Precipitation
16%
Radar Imaging
16%
Sporadic E Layer
15%
Electric Field
15%
Power Law
15%
Sidelobes
13%
Electron Density Profiles
13%
Mesosphere
12%
Wind Velocity
12%
Fine Structure
12%
Strait
12%
Beamforming
12%
Ionospheric Disturbance
10%
Lower Thermosphere
10%
Radar Tracking
10%
Sounding Rocket
10%
Pulse Radar
10%
Ionograms
10%
Coherent Radar
9%
Solar Eclipse
9%
Space Weather
9%
International Geomagnetic Reference Field
8%
Temperate Region
8%
Data Quality
8%
Engineering
Terminal Velocity
32%
Range Resolution
25%
Radar Echo
21%
Drop Size Distribution
20%
Doppler Velocity
17%
Delay Time
16%
Direction of Arrival
16%
Phase System
16%
Field Region
16%
Temporal Signal
16%
Echo Power
15%
Melting Layer
13%
Radar Parameter
12%
Sidelobes
12%
Scale Structure
10%
Power Spectra
10%
Radar Beam
10%
Power Distribution
10%
High Resolution
10%
Interferometry
9%
Signal-to-Noise Ratio
8%
Frequency Domain
8%
Midlatitudes
8%
Pulse Radar
8%
Ocean Surface
8%
Reflectance
8%
Hydrometeor
8%
Multiple Frequency
8%
Phase Calibration
8%
Double Layer
8%
Field Line
8%
Aspect Angle
8%
Beamforming
8%
Air Velocity
8%
Spectral Width
7%
Theoretical Relation
6%
Wind Shear
6%
Gaussians
6%
Pulse Length
6%
Positive Value
6%
Temporal Variation
6%
Echo Signal
6%
Phase Code
6%
Source Region
6%
Antenna
5%
Experimental Result
5%
Layer Structure
5%
Inversion Method
5%
Doppler Effect
5%
Pulse Duration
5%
