Improved Signal Reconstruction Algorithm for Multichannel SAR Based on the Doppler Spectrum Estimation
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing"
DOI: 10.1109/jstars.2016.2618518
Abstract: For high-resolution wide-swath synthetic aperture radar imaging algorithms, signal reconstruction is a key step. The steering vector plays an important role in signal reconstruction, which can be constructed by the ambiguity components. The information of… read more here.
Keywords: reconstruction; estimation; doppler spectrum; signal reconstruction ... See more keywords
Doppler Spectrum for Sea Surface Motion in an Underwater Acoustic Sensor Network
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Aerospace and Electronic Systems"
DOI: 10.1109/taes.2021.3133323
Abstract: This article aims to derive the analytical expressions for the Doppler spectrum and Doppler shift at the receiver for the signal reflected from a moving undulating surface. The sea surface is represented using the sum… read more here.
Keywords: doppler; sea surface; surface; doppler spectrum ... See more keywords
Inversion of Wave Parameters From Time-Doppler Spectrum Using Shore-Based Coherent S-Band Radar
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Geoscience and Remote Sensing"
DOI: 10.1109/tgrs.2023.3241117
Abstract: For coherent microwave radar, the Bragg scattering from the broken-short waves generated after wave breaking usually introduces extra low-frequency components in the estimated wave height spectrum and, thus, leads to inaccurate retrievals of wave parameters,… read more here.
Keywords: time doppler; wave; wave parameters; doppler spectrum ... See more keywords
The effect of blood acceleration on the ultrasound power Doppler spectrum
Sign Up to like & getrecommendations! Published in 2017 at "Acoustical Physics"
DOI: 10.1134/s1063771017050086
Abstract: The purpose of the present work was to study the influence of blood acceleration and time window length on the power Doppler spectrum for Gaussian ultrasound beams. The work has been carried out on the… read more here.
Keywords: doppler spectrum; power doppler; blood; acceleration ... See more keywords
Time-Varying Ocean-Like Surface Scattering at Grazing Incidence: Numerical Analysis of Doppler Spectrum at HF/VHF/UHF Bands
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Antennas and Propagation"
DOI: 10.1155/2019/5363264
Abstract: This paper numerically analyzes the characteristics of the Doppler spectrum at HF/VHF/UHF bands from 1D time-varying ocean-like surfaces at grazing incidence in vertical polarization mode. The rough surface is transformed into a local perturbation plane… read more here.
Keywords: grazing incidence; doppler spectrum; surface; spectrum ... See more keywords
Comparison of methods to derive radial wind speed from a continuous-wave coherent lidar Doppler spectrum
Sign Up to like & getrecommendations! Published in 2018 at "Atmospheric Measurement Techniques"
DOI: 10.5194/amt-11-6339-2018
Abstract: Abstract. Continuous-wave (cw) lidar systems offer the possibility to remotely sense wind speed but are also affected by differences in their measurement process compared to more traditional anemometry like cup or sonic anemometers. Their large… read more here.
Keywords: wind; wind speed; doppler spectrum;
peakTree: a framework for structure-preserving radar Doppler spectra analysis
Sign Up to like & getrecommendations! Published in 2019 at "Atmospheric Measurement Techniques"
DOI: 10.5194/amt-12-4813-2019
Abstract: Abstract. Clouds are frequently composed of more than one particle population even at the smallest scales. Cloud radar observations frequently contain information on multiple particle species in the observation volume when there are distinct peaks… read more here.
Keywords: doppler; peaktree framework; structure; doppler spectrum ... See more keywords