Ultra-wide band pulse dispersion spectrometry method and apparatus providing multi-component composition analysis
First Claim
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1. A method using electromagnetic energy for obtaining information concerning a property of a substance, comprising:
- generating an ultra-wide band signal having a continuous, broad band frequency spectrum that includes a frequency range for which the substance is responsive to electromagnetic energy;
communicating the ultra-wide band signal to a waveguide containing the substance to enable electromagnetic energy to interact with the substance within the waveguide over a broad range of frequencies simultaneously;
receiving energy of at least one waveguide mode distribution interacting with the substance, the mode exhibiting a cutoff characteristic;
acquiring a response signal from the energy interacting with the substance; and
evaluating the acquired response signal to obtain information concerning a property of the substance.
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Abstract
Embodiments cause interaction of an ultra-wide band signal with a substance over a broad range of frequencies simultaneously to obtain a response signal whose distortion is indicative of a composition of the substance.
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Citations
16 Claims
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1. A method using electromagnetic energy for obtaining information concerning a property of a substance, comprising:
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generating an ultra-wide band signal having a continuous, broad band frequency spectrum that includes a frequency range for which the substance is responsive to electromagnetic energy; communicating the ultra-wide band signal to a waveguide containing the substance to enable electromagnetic energy to interact with the substance within the waveguide over a broad range of frequencies simultaneously; receiving energy of at least one waveguide mode distribution interacting with the substance, the mode exhibiting a cutoff characteristic; acquiring a response signal from the energy interacting with the substance; and evaluating the acquired response signal to obtain information concerning a property of the substance. - View Dependent Claims (2, 3, 4, 5)
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6. An apparatus using electromagnetic energy for determining information concerning a property of a substance, comprising:
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a generator to generate an ultra-wide band signal having a continuous, broad band frequency spectrum that includes a frequency range for which the substance is responsive to electromagnetic energy; a transmitting element to communicate energy in the ultra-wide band signal to the substance within a waveguide to enable electromagnetic energy to interact with the substance over a broad range of frequencies simultaneously; a receiver to acquire a response signal from the energy interacting with the substance, the response signal comprising at least one mode distribution, the mode having a cutoff frequency characteristic; and signal processing electronics to evaluate the acquired response signal to obtain information concerning a property of the substance. - View Dependent Claims (7, 8, 9, 10, 11, 12)
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13. A method for using electromagnetic energy to determine information concerning a property of a substance, comprising:
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communicating an ultra-wideband signal having a broad band frequency spectrum to a substance to enable electromagnetic energy to interact with the substance over a broad range of frequencies simultaneously; acquiring a response signal comprising a reflected signal arising from energy scattered from the substance, and comprising a transmitted signal arising from energy transmitted through the substance; and evaluating the acquired response signal to obtain information concerning a property of the substance. - View Dependent Claims (14, 15, 16)
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Specification