2017-07-11
Directional Borehole Radar Calibration An innovative low-noise directional borehole radar system is in development. Harsh and changing operating environments are a challenge to the low-noise sensitive electronic design. Additionally a system with such high sensitivity is susceptible to temperature changes and to …
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2010-04-30
The foundation for radar systems was laid by Christian Hülsmeyer when he obtained the first worldwide patent in radar technology on April 30, 1904 (patent DE 165 546). Six years later, Gotthelf Leimbach and Heinrich Löwy applied for a patent to locate buried objects using radar technology (patent DE 237 944). This …
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2009-07-11
The underground mining operation for raw materials is planned and monitored by geological measurements. One method is drill-core analysis, whereas borehole radar systems are primary tools to map the surrounding area of the borehole.
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