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A New Time Domain Technique for Velocity Measurements Using Doppler Ultrasound
TLDR
A new technique for determining the Doppler frequency shift in a phase-coherent pulsed system is presented. Expand
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Nuclear magnetic resonance imaging: contrast-to-noise ratio as a function of strength of magnetic field.
The choice of the strength of the magnetic field for an imaging system based on the nuclear magnetic resonance of hydrogen is considered. It is shown by an analysis based on in vitro data that theExpand
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The role of thermal and fission neutrons in reactor neutron-induced upsets in commercial SRAMs
Reactor neutron environments can be used to test/screen the sensitivity of unhardened commercial SRAMs to low-LET neutron-induced upset. Tests indicate both thermal/epithermal (<1 keV) and fastExpand
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A high speed FIR filter designed by compiler
TLDR
A four-tap FIR (finite-impulse response) filter built using the PARSIFAL silicon compiler . Expand
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Technical Alternatives In Nuclear Magnetic Resonance (NMR) Imaging
In this paper we consider the choice of the magnetic field for an imaging system based on the nuclear magnetic resonance of hydrogen. We show by analysis that the quality, or contrast-to-noise ratio,Expand
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Transducer system for the noninvasive recording of arterial pressure contours
A transducer system is described that permits noninvasive recordings of the pressure-vs-time arterial profile at any palpable site on the body. A thin (30 μm) piezoelectric polymer film ofExpand
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Method and apparatus for coherent imaging system
A method and apparatus for improved digital processing of the analog echo signals in a coherent imaging system is described which simplifies the channel circuitry requirements. The analog echoExpand
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Application of reactors for testing neutron-induced upsets in commercial SRAMs
Reactor neutron environments can be used to test/screen the sensitivity of unhardened commercial SRAMs to low-LET neutron-induced upset. Tests indicate both thermal/epithermal (< 1 keV) and fastExpand
Architecture for ultrasonic imaging
An ultrasonic imaging processing system includes transducers and means to generate in an analog fashion, in-phase and quadrature phase signals. These signals are converted to digital form and aExpand
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