Engineering & Materials Science
Antenna arrays
100%
Power amplifiers
68%
Millimeter wave devices
68%
Antenna feeders
65%
Antennas
61%
Beamforming
57%
Transceivers
52%
Radar
50%
Millimeter waves
47%
Bandwidth
47%
Lenses
33%
Metamaterials
31%
Butler matrix
30%
Gain control
29%
Transmitters
29%
Polychlorinated biphenyls
28%
Digital to analog conversion
27%
Calibration
26%
Phase locked loops
26%
Air
25%
Automotive radar
24%
Electric power utilization
22%
Frequency bands
21%
Continuous wave radar
21%
BiCMOS technology
21%
Communication
21%
Topology
21%
Silicon
20%
Doherty amplifiers
19%
Clocks
18%
Antenna phased arrays
18%
Assisted living
17%
Wave transmission
17%
Dielectric resonators
16%
Ultra-wideband (UWB)
16%
Testing
16%
Printed circuit boards
16%
Optical radar
16%
Built-in self test
16%
Microstrip antennas
15%
Matched filters
15%
Low noise amplifiers
15%
3G mobile communication systems
15%
Electric lines
15%
Space applications
15%
Scattering parameters
15%
Phase noise
14%
Throughput
13%
Interpolation
13%
Electronic design automation
12%
Compensation and Redress
12%
Scattering
12%
Scanning
11%
Insertion losses
11%
Costs
11%
Electric potential
11%
Power generation
11%
Time delay
10%
Metals
10%
Capacitors
10%
Phase shifters
10%
Tuning
10%
Telecommunication links
10%
Specifications
10%
Harmonic generation
9%
Analog circuits
9%
Silicon on insulator technology
9%
Frequency doublers
9%
Transponders
9%
Feedback
9%
Sensors
9%
Modulation
9%
Integrated circuits
9%
Lighting
8%
Thermal noise
8%
Frequency selective surfaces
8%
Bias currents
8%
Transistors
8%
Varactors
8%
Digital signal processing
7%
Voltage regulators
7%
Noise figure
7%
Modems
7%
FIR filters
7%
Rain
7%
Linear equations
7%
Power management
7%
Phase shift
7%
Integral equations
7%
Electromagnetic waves
7%
Detectors
6%
Microwaves
6%
Multilayers
6%
Radar antennas
6%
Wave filters
5%
Jitter
5%
Electric commutation
5%
Physics & Astronomy
continuous wave radar
21%
rectifiers
16%
transmitter receivers
15%
power efficiency
15%
CMOS
13%
broadband
9%
chips
6%
sensitivity
5%
output
5%
couplers
5%