Physics
Tunnel Junction
100%
Star Forming Regions
95%
SIS (Superconductors)
72%
Noise Temperature
72%
Space Observatories
65%
Protostars
65%
Ground State
57%
Massive Star
45%
Low-Mass Star
45%
Young Stellar Objects
42%
Interstellar Matter
36%
Radiative Transfer
36%
Radiation Detection
36%
Line of Sight
33%
Infrared Spectroscopy
27%
Flight Instrument
27%
Waveguide
27%
High Resolution
27%
H II Regions
24%
High-Mass Stars
24%
Star Formation
24%
Molecular Gas
21%
Bolometer
18%
Hot Electron
18%
Cryogenic Temperature
18%
Coma
18%
Flight Test
18%
Heterodyne Receiver
18%
Planetary System
18%
Spacecraft
18%
Quasiparticle
18%
Planetary Atmosphere
18%
Point Source
18%
Space Telescope
18%
Asymptotic Giant Branch Stars
18%
Moisture Content
18%
Optical Loss
18%
Optics
18%
Abundance Ratio
15%
Linewidth
13%
Photometer
13%
Core Structure
9%
Magnetic Field
9%
Cosmochemistry
9%
Chemical Equilibrium
9%
Methylidyne
9%
Lineshape
9%
Vaporizing
9%
Hyperfine Structure
9%
Ground Test
9%
Keyphrases
Mixer
54%
Star Forming Regions
54%
Two-temperature Model
36%
Low-mass Stars
36%
Herschel
36%
Superconductor-insulator-superconductor
36%
Tunneling Devices
36%
Niobium
27%
Tunnel Junction
27%
Line Profiles
24%
Far-infrared
21%
Velocity Profile
18%
Stripline
18%
On-orbit Performance
18%
Phonons
18%
NbN Film
18%
Terahertz
18%
Hot Electron Bolometer
18%
Flight Results
18%
Heterodyne Instruments
18%
THz Radiation
18%
Radiation Detection
18%
THz Regime
18%
Tunable Structure
18%
Superconductor-insulator-superconductor Mixer
18%
Noise Temperature
18%
Direct Electrical Heating
18%
Heating Effect
18%
Operating Voltage
18%
Heterodyne Mixing
18%
Shot Noise
18%
Heterodyning
18%
Sgr B2
18%
Normal Metal
18%
Far-infrared Spectroscopy
18%
Waveguide
18%
Safari
18%
Spica
18%
Focal Plane
18%
Infrared Instruments
18%
O 18
15%
C-13
12%
Low-mass Protostars
12%
Gap Voltage
12%
Pinhole
12%
Column Density
12%
Aluminum Electrode
9%
Intense Winds
9%
Acceleration Zone
9%
Icy Bodies
9%
Engineering
Mixers (Machinery)
78%
Shot Noise
54%
Superconductor
45%
Gap Voltage
36%
Test Campaign
27%
Hot Electron
27%
Current-Voltage Characteristic
24%
Terahertz
18%
Led Driver
18%
Flight Test
18%
Spatial Modulation
18%
Field Unit
18%
Forming Region
18%
Functional Test
18%
Aluminum Oxide
18%
Nitride
18%
Radio Frequency
18%
Optical Systems
18%
Mechanical Design
18%
Reformulation
18%
Intermediate Frequency
18%
Spectral Resolution
18%
Nominal Mode
18%
Final Image
18%
Base Electrode
18%
High Resolution
18%
Temperature Range
18%
Test Facility
18%
Spectral Band
18%
Mixing Application
18%
Stripline
18%
Heterodyne Receiver
15%
Waveguide
15%
Matching Circuit
15%
Local Oscillator
13%
Line Profile
9%
Correlator
9%
Individual Component
9%
Commissioning Phase
9%
Front End
9%
Evaporation Temperature
9%
Instantaneous Frequency
9%
Constrains
9%
Limitations
9%
Ka-Band
9%
Frequency Multiplier
9%
Test Program
9%
TV
9%
Optical Loss
9%
Receiver Sensitivity
9%