Instrumentation and computer capabilities for improving sodar data acquisition |
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| Authors: | B S Gera T Raghavendra G Singh V K Ojha Joginder Malik Neha Gera |
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| Affiliation: | 1. National Physical Laboratory, Dr. K.S. Krishnan Marg , New Delhi-110012, India bsgera@mail.nplindia.ernet.in;3. National Physical Laboratory, Dr. K.S. Krishnan Marg , New Delhi-110012, India;4. School of Environment Management, GGS Indraprastha University , Delhi-110006, India |
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| Abstract: | A computer program has been developed to exploit the multimedia capabilities of a personal computer for a new design of sodar (sonic detection and ranging) data acquisition and control system with minimized hardware elements. Advantages include trouble-free, cost-effective and user-friendly sodar data acquisition using any standard computer. The new design overcomes limitations due to using an add-on data acquisition card with conventional computer-controlled sodar. The data can be processed to produce online display of the dynamics of prevailing atmospheric boundary layer thermal structures and inversion/mixing depth for environmental applications. |
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