C. Werner DLR Institute of Atmospheric Physics D-82234 Wessling, Germany E-mail: [email protected] Abstract. We describe the algorithms for the simulation of cw and pulsed coherent Doppler wind lidar operation in a turbulent atmosphere and the methods to estimate the mean wind and the parameters of small-scale wind turbulence from lidar data. The algorithms are realized as LabView compute...

We present a method for directly measuring the local 3-D wind-velocity vector using normal 1-D Doppler combined with a range-resolved crosswind measurement that is performed by tracking the displacement of atmospheric turbulence cells over time. Previous work on measuring crosswinds has either used modelling based solely on lidar Doppler wind measurement along the line of sight for a large set ...

BACKGROUND It is not known whether abnormalities of left ventricular diastolic function are influenced by the various cardiac geometric patterns in Nigerians with newly diagnosed systemic hypertension. OBJECTIVE To evaluate the relationship between the parameters of left ventricular diastolic function and the geometric patterns in this group of patients. METHODS Two-dimensional, guided M-mo...

SAR interferometry with distributed satellites is a technique based on the exploitation of the interference pattern of two SAR images acquired synchronously. The interferogram contains geometric, atmospheric, topographic and land defomation. This paper focuses on atmospheric effects on SAR interferometry, which shows theoretically that the relationship among ionosphere TEC and troposphere param...

Abstract. Atmospheric visibility, or meteorological optical range (MOR), is governed by light extinction aerosols. State-of-the-art visibility sensors, such as employed in observatories and airports, infer MOR measuring either transmittance scattering. While these sensors yield robust measurements with reasonable accuracy (10 % to 20 %), they measure situ. from may thus not be representative of...

This paper briefly describes the methods available for collection, atmospheric and geometric correction, and processing of hyperspectral imagery. Discussion of data capture concentrates on logistics of integrating image acquisition with field data collection. Atmospheric correction is required to use the imagery with reference spectra from field and laboratory sensors; a variety of methods for ...