| 41. | A radiotelegraph channel comprises two stations and a radio wave propagation path between the two stations.
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| 42. | The test is based on wave propagation theory.
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| 43. | Sky wave propagation occurs in the waveguide formed by the ground and ionosphere, each serving as reflectors.
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| 44. | The Huygens Fresnel principle provides a good basis for understanding and predicting the wave propagation of light.
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| 45. | In 1992, Hughes Research Laboratory conducted a research project to study electromagnetic wave propagation in unmagnetized plasma.
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| 46. | This is because the material can suppress surface wave propagation within the prescribed range of forbidden frequencies.
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| 47. | In isotropic media this results in wave propagation only if ? and ?have the same sign.
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| 48. | Van der Pol also studied the effect of the curvature of the Earth on radio wave propagation.
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| 49. | This resonant mode of energy and data transmission via electromagnetic ( light ) wave propagation is relatively lossless.
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| 50. | In this case the varying delays are caused by varying radio wave propagation times and multipath radio interference.
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