Detection of the Aircraft Vortex Wake with the Aid of a Coherent Doppler Lidar
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Engineering Physics and Thermophysics"
DOI: 10.1007/s10891-017-1642-6
Abstract: The results of the first measurements in Russia of the vortex wakes left by different types of airplanes with the aid of 1.5-μm range home-made commercially manufactured coherent Doppler lidars are presented. The characteristic features… read more here.
Keywords: coherent doppler; aircraft vortex; vortex wake; detection aircraft ... See more keywords
Research on optimizing the optical local-oscillator power of Coherent Doppler LiDAR to enhance wind velocity measurements
Sign Up to like & getrecommendations! Published in 2024 at "Journal of Instrumentation"
DOI: 10.1088/1748-0221/19/10/p10028
Abstract: Due to weak echo signals that become progressively overwhelmed by noise, measurement accuracy and effective detection range of the Coherent Doppler wind LiDAR (CDL) are often compromised. While increasing the optical local-oscillator power (OLP) can… read more here.
Keywords: wind; optical local; oscillator power; coherent doppler ... See more keywords
Fine gust front structure observed by coherent Doppler lidar at Lanzhou Airport (103°49$^{\prime}$'E, 36°03$^{\prime}$'N).
Sign Up to like & getrecommendations! Published in 2020 at "Applied optics"
DOI: 10.1364/ao.384634
Abstract: Coherent Doppler lidar (CDL) has long been used to automatically identify gust front-induced wind shear signatures from the velocity data, but rare attention has been given to the fine structure of wind gust fronts. In… read more here.
Keywords: gust front; front; coherent doppler; structure ... See more keywords
Demonstration on the performance enhancement of the 1.645 µm coherent Doppler lidar for long-range wind measurements with modification of laser transmitter and optical antenna.
Sign Up to like & getrecommendations! Published in 2024 at "Applied optics"
DOI: 10.1364/ao.520925
Abstract: We have developed and experimentally investigated a long-range 1.645 µm coherent Doppler wind lidar (CDWL) system. A compact 1.645 µm single-frequency Er:YAG laser is utilized as the laser transmitter. The impact of laser transmitter parameters on wind… read more here.
Keywords: laser; 645 coherent; coherent doppler; long range ... See more keywords
Wind vector retrieval algorithm for a coherent Doppler lidar based on KNN-COOKS.
Sign Up to like & getrecommendations! Published in 2025 at "Applied optics"
DOI: 10.1364/ao.553700
Abstract: The wind vector retrieval from a coherent Doppler lidar system in the plan position indicator (PPI) scanning mode often suffers from high inversion errors in horizontal wind speed and direction at far-range gates due to… read more here.
Keywords: doppler lidar; wave fitting; vector retrieval; knn cooks ... See more keywords
Analysis of weighted subspace fitting and subspace-based eigenvector techniques for frequency estimation for the coherent Doppler lidar.
Sign Up to like & getrecommendations! Published in 2017 at "Applied optics"
DOI: 10.1364/ao.56.009268
Abstract: Since the periodogram maximum (PM) algorithm fails to provide consistent estimates, more robust techniques are developed, especially in a low signal-to-noise ratio (SNR) regime. The methods are formulated in a subspace fitting-based framework, such as… read more here.
Keywords: subspace fitting; method; coherent doppler; weighted subspace ... See more keywords
Intelligent and compact coherent Doppler lidar with fiber-based configuration for robust wind sensing in various atmospheric and environmental conditions.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.455755
Abstract: The intelligent and compact coherent Doppler lidar (CDL) for wind sensing is demonstrated. The configuration is fiber-based. Several functions for the robust wind sensing in various atmospheric and environmental conditions are shown. The main feature… read more here.
Keywords: wind sensing; compact coherent; doppler lidar; fiber based ... See more keywords
Meter-scale and sub-second-resolution coherent Doppler wind LIDAR and hyperfine wind observation.
Sign Up to like & getrecommendations! Published in 2022 at "Optics letters"
DOI: 10.1364/ol.465307
Abstract: Hyperfine wind structure detection is important for aerodynamic and aviation safety. Pulse coherent Doppler wind LIDAR (PCDWL) is a widespread wind remote sensing method with tunable spatial and temporal resolutions. However, meter scale and sub-second… read more here.
Keywords: resolution; wind; coherent doppler; doppler wind ... See more keywords