Time domain radio transmission system
First Claim
Patent Images
1. In a wideband radio system, a receiver, said receiver adapted to detect wideband burst signals, said wideband burst signals having a time spacing, comprising:
- a local waveform generator configured to generate a local signal, said local signal being substantially similar to a received wideband burst signal;
a coincidence detector responsive to said received wideband burst signal and to said local signal, said coincidence detector generating a product signal, said product signal being the product of said received wideband burst signal and said local signal; and
a synchronizing signal generator responsive to said product signal and having an output, said output being a synchronizing signal provided to said local waveform generator such that said received wideband burst signal and said local signal synchronously arrives at said coincidence detector in accordance with said time spacing.
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Abstract
A time domain communications system wherein a broadband of time-spaced signals, essentially monocycle-like signals, are derived from applying stepped-in-amplitude signals to a broadband antenna, in this case, a reverse bicone antenna. When received, the thus transmitted signals are multiplied by a D.C. replica of each transmitted signal, and thereafter, they are, successively, short time and long time integrated to achieve detection.
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Citations
19 Claims
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1. In a wideband radio system, a receiver, said receiver adapted to detect wideband burst signals, said wideband burst signals having a time spacing, comprising:
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a local waveform generator configured to generate a local signal, said local signal being substantially similar to a received wideband burst signal;
a coincidence detector responsive to said received wideband burst signal and to said local signal, said coincidence detector generating a product signal, said product signal being the product of said received wideband burst signal and said local signal; and
a synchronizing signal generator responsive to said product signal and having an output, said output being a synchronizing signal provided to said local waveform generator such that said received wideband burst signal and said local signal synchronously arrives at said coincidence detector in accordance with said time spacing. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. In a wideband radio system, a method of detecting wideband burst signals, said wideband burst signals having a time spacing, comprising the steps of:
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generating a local signal, said local signal being substantially similar to one of said wideband burst signals;
synchronizing output of said local signal with one of said wideband burst signals; and
multiplying said one of said wideband burst signals by said local signal to generate a product signal. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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19. In a wideband radio system, a receiver, said receiver adapted to detect wideband burst signals, said wideband burst signals having a time spacing, comprising:
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a means for generating local signals, said local signals being substantially similar to said received signals;
a means for generating a product signal responsive to said received signals and to said local signals, said product signal being the product of one of said received signals and one of said local signals;
a means for synchronizing the occurrence of said one of said local signals with one of said received signals, said means for synchronizing being responsive to said product signal and having an output, said output being provided to said means for generating local signals; and
an integrator means responsive to said product signal.
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Specification