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Machine Reduction of Anemometer-Bivane Data
Publisher: American Meteorological Society
Abstract: An analog computer has been programmed to process anemometer-bivane data recorded on magnetic tape. The recorded data were the wind vector in spherical coordinates, azimuth angle, elevation angle and wind speed. The computer ...
A Nonlinear Filter to Remove Impulse Noise from Meteorological Data
Publisher: American Meteorological Society
Abstract: Nonlinear median filters were modified to use threshold logic and used to remove impulse noise (spikes) from a set of meteorological data. The impulse noise in the dataset, which originated in the communications section ...
Analog Computing Techniques Applied to Atmospheric Diffusion: Continuous Line Source
Publisher: American Meteorological Society
Abstract: The partial differential equation which describes steady-state diffusion from an infinite line source is replaced with a set of simultaneous ordinary differential equations solved on an electronic analog computer. One space ...
A Standard Deviation Computer
Publisher: American Meteorological Society
Abstract: The standard deviation computer is a small electronic analog device which is designed to calculate the standard deviation of a voltage signal with less than 5 per cent error. The output is a continuous voltage signal ...
Analog Computing Techniques Applied to Atmospheric Diffusion: Continuous Point Source
Publisher: American Meteorological Society
Abstract: The analog computer has been used to obtain solutions to the diffusion equation for the case of a continuous point source aloft. The basic model used is that of a source located between an inversion and the ground where ...
Portable Automated Mesonet II
Publisher: American Meteorological Society
Abstract: The Portable Automated Mesonet II (PAM II) system was developed by NCAR to provide surface mesoscale data for the research needs of the atmospheric science community. The PAM system has 60 remote stations with planned ...
Minimizing Errors Associated with Multiplate Radiation Shields
Publisher: American Meteorological Society
Abstract: Multiplate radiation shield errors are examined using the following techniques: 1) ray tracing analysis, 2) wind tunnel experiments, 3) numerical flow simulations, and 4) field testing. The authors? objectives are to develop ...
The Oklahoma Mesonet: A Technical Overview
Publisher: American Meteorological Society
Abstract: The Oklahoma mesonet is a joint project of Oklahoma State University and the University of Oklahoma. It is an automated network of 108 stations covering the state of Oklahoma. Each station measures air temperature, humidity, ...