| 41. | The path difference, the difference in the distance traveled by each beam, creates a phase difference between them.
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| 42. | Both slabs are propagates through the second slab the phase difference is significantly decreased and even compensated for.
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| 43. | SAR makes use of the amplitude and the absolute phase difference or phase shift in the returning wave.
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| 44. | The system suffered from incompatibility with regular stereo playback due to phase differences between the left and right channels.
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| 45. | The amount of shift required to cause a significant phase difference is on the order of the wavelength used.
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| 46. | A phase detector is a nonlinear device whose output represents the phase difference between the two oscillating input signals.
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| 47. | In physics, two wave sources are perfectly coherent if they have a constant phase difference and the same frequency.
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| 48. | Each driver will measure the phase difference ( a distance in laps ) between him and the pace car.
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| 49. | A phase detector compares two input signals and produces an error signal which is proportional to their phase difference.
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| 50. | A rotating magnetic field can be constructed using two orthogonal coils with 90 degrees phase difference in their AC currents.
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