Mining Publication: A Spatial/Spectral Domain Microwave Coal Seam Imaging Sensor-Progress in Signal Processing
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Original creation date: July 1994
The paper, An Electromagnetic Roof and Rib Thickness Sensor presented at the 12th WVU International Mining Electrotechnology Conference in 1992, presented the results of roof coal thickness measurements in underground mines and rib coal thickness measurements in highwall mines. The microwave sensor described uses a unique spatial modulation scheme created by antenna motion, along with frequency domain signal processing, to solve the problem of media, target, and antenna dispersion. This paper further describes the advantages of the unique frequency domain signal processing technology chosen by the U.S. Bureau of Mines in extending previously reported one dimensional thickness measurement technology to the generation of a full three-dimensional underground image of the underground environment.
Authors: RL Chufo
Conference Paper - July 1994
12th West Virginia University International Mining Electrotechnology Conference, July 27-79, 1994; 1-3
See Also
- ARBS - Analysis of Roof Bolt Systems - 2.5.02
- Effects of Stimulation Treatments on Coalbeds and Surrounding Strata: Evidence from Underground Observations
- Geologic Hazards and Roof Stability in Coal Mines
- Medium-Frequency Propagation in Coal Mines
- Modeling and Data Analysis of 50 to 5000 kHz Radio Wave Propagation in Coal Mines
- Passive Fiber Optic System for Locating, Tracking, and Communicating with Personnel in Coal Mines
- Refuge Alternatives in Underground Coal Mines
- Reinforcing Coal Mine Roof with Polyurethane Injection: 4 Case Studies
- Theory on the Propagation of UHF Radio Waves in Coal Mine Tunnels
- Wireless Mesh Mine Communication System
- Page last reviewed: 9/21/2012
- Page last updated: 9/21/2012
- Content source: National Institute for Occupational Safety and Health, Mining Program