| 1. | Also, as frequencies increase, parabolic reflectors become more efficient at focusing them.
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| 2. | The concave lenses of these mirrors were found to form parabolic reflectors.
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| 3. | The " dish " part is a ( typically ) parabolic reflector.
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| 4. | Parabolic reflectors are also a popular alternative for increasing wireless signal strength.
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| 5. | The viewfinder is slightly smaller to accommodate the large parabolic reflector.
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| 6. | German physicist Heinrich Hertz constructed the world's first parabolic reflector antenna in 1888.
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| 7. | But behind this he fixed parabolic reflectors which concentrated the light.
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| 8. | The original source of light came from five whale-oil lamps with parabolic reflectors.
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| 9. | The unit consists of a 25 inch aluminum housing with a parabolic reflector.
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| 10. | The horn cluster is located approximately at the focal point of a parabolic reflector.
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