Keyphrases
Aerosol Impact
5%
Alaska
11%
Ambient Temperature
8%
Ammonia Sensing
23%
Ammonia Sensor
19%
Atmospheric Ammonia
35%
Atmospheric Measurements
7%
Cell Modulation
8%
Chirped Laser Pulse
23%
CO2 Sensor
23%
Current Modulation
5%
Dairy Emissions
5%
Dual Modulation
11%
Environmental Temperature
8%
Fast Response
11%
Feedlot
5%
Fiber-coupled
11%
Field Performance
11%
Frequency Modulation
5%
Gas Species
8%
Geophysical Research
5%
Greenhouse Gas Sensor
23%
Heterogeneous Reactivity
5%
High Output Power
8%
High Sensitivity
14%
Hollow-core Fiber
11%
Hydrogen Halides
5%
Hygrometer
11%
Ice Supersaturation
5%
Ice Surface
5%
Interband Cascade Laser
17%
Isotope Ratio Measurements
8%
Laser Dispersion Spectroscopy
23%
Laser Sensor
11%
Laser Sensor Calibration
11%
Laser-based
17%
Laser-based Sensors
8%
Limit of Detection
7%
Long-term Stability
17%
Low Power
10%
Low Power Measurement
11%
Low-level Laser
8%
Mass Volume
5%
Measurement Intercomparison
5%
Methane
23%
Methane Emission
8%
Methane Isotopes
8%
Methane Leak Detection
11%
Methane Measurement
17%
Methane Sensing
23%
Methane Sensor
8%
Modulation Amplitude
11%
Modulation Characteristics
5%
Multi-harmonic
7%
National Science Foundation
11%
Natural Gas Emissions
11%
NO Sensor
5%
On-road Emissions
5%
Open Path
79%
Open-path Sensor
12%
Overmodulation
8%
Ozone Photochemistry
5%
Petrochemicals
11%
Portable Laser
17%
Primary Emission
5%
Quantum Cascade Laser
58%
Radical Budget
5%
Reactive Nitrogen
5%
Reactive Nitrogen Emission
11%
Real-time Calibration
8%
Reference Cell
32%
Reference Gas
11%
Reference Spectra
11%
Retroreflector
8%
Robotics
8%
San Joaquin Valley
5%
Sensing System
11%
Sensor-based
11%
Simultaneous Detection
17%
Single-mode Operation
8%
Small UAV
5%
Smoke Aerosol
5%
Spectral Features
5%
Stable Performance
11%
Super-emitters
5%
Systems-based
5%
Target Tracking
11%
Temperature Control
8%
Temperature Impact
17%
Toolik Lake
11%
Trace Gases
8%
Tunable Diode Laser
11%
U.S. Air Quality
5%
UAV
17%
UAV Application
23%
UAV Helicopter
11%
Upper Troposphere Lower Stratosphere
11%
Vertical Cavity Laser
11%
Vertical-cavity Surface-emitting Laser (VCSEL)
8%
Wavelength Modulation Spectroscopy
13%
Earth and Planetary Sciences
Aerosol Formation
5%
Agricultural Emission
6%
Air Quality
21%
Airborne Survey
8%
Aircraft Model
5%
Arctic Ocean
5%
Atmospherics
12%
Beef Cattle
5%
Boundary Layer
13%
C-130 Aircraft
5%
California
14%
Chemical Evolution
17%
Cirrus Clouds
10%
Colorado
14%
Convective System
5%
Deciduous Forest
5%
Dry Deposition
5%
Eddy Covariance
16%
Emission Inventory
6%
Emission Source
5%
Emissions
76%
Ethylene
11%
Fine Particulate Matter
6%
Flux Measurement
8%
Fossil Fuel
7%
Gas Well
5%
Gaussian Method
5%
Grassland
5%
IASI
20%
Ice Crystal
10%
Ice Nuclei
5%
India
5%
Methane
83%
Methyl Alcohol
8%
Microbalance
7%
Monitoring Network
8%
National Parks
5%
Natural Gas
23%
Nitrogen Cycle
7%
Nitrogen Dioxide
13%
Nitrous Oxide
9%
Nitrous Oxide
7%
Northern Hemisphere
11%
Nucleation
9%
Observation Aircraft
14%
Particular Matter 2.5
6%
Photochemical Reaction
5%
Pilotless Aircraft
17%
Planetary Atmosphere
5%
Polar Stratospheric Cloud
5%
Random Error
6%
Real Time
8%
Relative Humidity
6%
Retroreflectors
9%
Satellite Data
7%
Stratosphere
16%
Sulfonic Acid
5%
Supersaturation
17%
Surface Layer
5%
Trace Gas
11%
Tracking (Position)
11%
Traffic Emission
5%
Tropics
5%
Tropopause
7%
Troposphere
20%
Tropospheric Ozone
17%
United States
25%
United States of America
7%
Updraft
5%
Vertical Profile
5%
Waste Water Treatment
5%
World Meteorological Organization
5%
Zenith Angle
5%
Engineering
Air Quality
5%
Amplitude Modulation
11%
Atmospheric Carbon
5%
Battery (Electrochemical Energy Engineering)
5%
Beamsplitters
5%
Common Mode
5%
Compressor Station
6%
Correction Term
5%
Detection Limit
8%
Digital Signal Processor
5%
Drilled Hole
5%
Drone
5%
Dual Modulation
5%
Electrical Power
5%
Emitting Device
5%
Environmental Temperature
17%
Fast Response
23%
Field Performance
11%
Fossil Fuel
5%
Fossil Fuel Combustion
5%
Fourier Transform
5%
Gas Reference
5%
Gas Release
5%
Gas Sensor
27%
Gas Specie
8%
Grazing Angle
5%
Greenhouse Gas
23%
Harmonic Spectrum
5%
Harmonics
23%
Heterogeneous Reaction
5%
Hollow Core Fibre
17%
Instrument Calibration
5%
Laser Cavity
5%
Latent Heat
5%
Light Source
7%
Liquid Layer
5%
Longest Path
9%
Low Power Consumption
5%
Measured Spectrum
5%
Methane
100%
Mode Operation
5%
Natural Gas
12%
Output Power
5%
Power Laser
17%
Quality Control
5%
Reference Cell
34%
Reference Gas
11%
Reflected Beam
5%
Relative Humidity
8%
Resonant Cavity
5%
Response Time
5%
Room Temperature
7%
Samplerate
5%
Sensing System
14%
Separate Signal
11%
Simultaneous Detection
17%
Spectral Feature
16%
Target Tracking
11%
Temperature Fluctuation
5%
Term Stability
17%
Thermal Inertia
5%
Unmanned Aerial Vehicle
41%
Using Sensor
5%
