Title :
Detection of the Doppler frequency shift in acoustic remote sensing systems
Author :
Xiong, Xiaoyun ; Zhao, Songnian ; Wen, Feng
Author_Institution :
Inst. of Atmos. Phys., Acad. Sinica, Beijing, China
fDate :
5/1/1995 12:00:00 AM
Abstract :
Presents a new method of using a tracking filter and phase-locked loop (TFPLL) to detect the Doppler frequency shift from atmospheric acoustic echo signals. Under the constraint of limited signal duration, this method has high resolution in frequency (velocity) and space (height)
Keywords :
Doppler shift; atmospheric acoustics; atmospheric techniques; geophysical signal processing; meteorology; remote sensing; sonar signal processing; Doppler frequency shift; acoustic echo signal processing; acoustic remote sensing; atmosphere troposphere; limited signal duration; measurement technique; meteorology; method; phase-locked loop; sodar; sonar; tracking filter; Acoustic imaging; Acoustic measurements; Acoustic signal detection; Atmospheric measurements; Frequency; Radar antennas; Remote sensing; Signal resolution; Velocity measurement; Wind speed;
Journal_Title :
Geoscience and Remote Sensing, IEEE Transactions on
