National security publications
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A Zero CO2-Emitting Process for Transportation Fuels from Coal and Natural Gas Resources
Simultaneous steam reforming of natural gas and conversion of coal to syngas was achieved in a gas-blown, electrically heated, entrained-flow gasifier. Conversions > 95% for both coal and natural gas…
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All for one: Feature combination for highly channel-degraded speech activity detection
This paper presents a feature combination approach to improve SAD on highly channel degraded speech as part of the Defense Advanced Research Projects Agency’s (DARPA) Robust Automatic Transcription of Speech…
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Automatic phonetic segmentation using boundary models
This study attempts to improve automatic phonetic segmentation within the HMM framework.
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High-Speed Photo-Modulated Spindt Cathode for FELs
SRI International is integrating a Spindt-type field-emission source with a high-mobility GaN photoconducting semiconductor switch (PCSS) to develop cathodes capable of producing Ampere-level currents in the picosecond pulse regime.
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Re-Examining Temporal Niche
We review evidence showing that under different environmental conditions, this system can adopt different harmonic configurations.
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Evoked Responses During Sleep in Young Heavy Drinkers
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Low-Light NV-CMOS Image Sensors for Day/Night Imaging
SRI’s new NV-CMOS™ image sensor technology is designed to capture images over the full range of illumination from bright sunlight to overcast starlight.
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Using multiple versions of speech input in phone recognition
This study investigates the use of multiple versions of the same speech unit in automatic phone recognition.
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Network Analysis of the Whole Saliva Transcriptome, Psychosocial Stressor Exposure and Tobacco Use
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High Average Power Field Emitter Cathode and Testbed for X/Ku-Band Cold Cathode TWT
A new field emitter geometry that utilizes a dielectric shield between the emitter tip and gate has been optimized to eliminate flashover in the cathode emitter cavities and improve cathode…
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Legal, Technical, and Interpretational Considerations in the Forensic Analysis of Viruses
This review provides a general approach to viral forensics, especially in light of significant biodefense challenges.
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R-MASTIF: Robotic Mobile Autonomous System for Threat Interrogation and Object Fetch
The SRI-UPenn team fielded a modified Segway RMP 200 robot with multiple cameras and lidars. We implemented a unique computer vision based approach for textureless colored object training and detection…