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Delta-Sigma UHF Digital Waveform Generator
Delta-Sigma UHF Digital Waveform Generator hot!
Date: Mar-31 2008

A prototype Digital Waveform Generator (DWG) in the ultra-high-frequency (UHF) range uses Delta-Sigma (Δ−Σ) modulation techniques, which permit arbitrary and accurate waveform ...

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AlxInyGa1-x-yN Ultraviolet Light-Emitting Triodes
AlxInyGa1-x-yN Ultraviolet Light-Emitting Triodes
Date: Feb-05 2008
Light-emitting triodes (LETs) have been the focus of a program of research with a goal of increasing the quantum efficiencies of ultraviolet-lightemitting devices implemented in ...
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Advances in Organic-Based Electronic Devices
Advances in Organic-Based Electronic Devices
Date: Feb-05 2008
A program of research has addressed multiple topics in the field of electronic and optoelectronic devices based on polymers and other organic substances, with special ...
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A Comparison of SiC-Based Devices for Use as Power Switches
A Comparison of SiC-Based Devices for Use as Power Switches hot!
Date: Feb-05 2008
A report details a survey of the state of technological development and commercial availability of SiC-based electronic devices that has been performed to evaluate the ...
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Protection Schemes for Advanced Shipboard Electrical Systems
Protection Schemes for Advanced Shipboard Electrical Systems hot!
Date: Feb-05 2008
A research program has made progress toward the development of schemes for protection against faults in next-generation DC zonal shipboard electrical systems (DC SESs) and ...
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Monitoring and Charging System for a High-Power Battery
Monitoring and Charging System for a High-Power Battery hot!
Date: Dec-01 2007

Cell potentials and temperatures are kept within safe ranges.

Figure 1 is a simplified block diagram showing (1) a high-power rechargeable battery comprising multiple ...

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Quantum Network Testbed
Quantum Network Testbed
Date: Dec-01 2007

A document describes the world’s first quantum network testbed — an Internet-compatible fiber-optic data-communication network that is kept extremely secure by use ...

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Time Coding of Asynchronously Transmitted Multi-Source Data
Time Coding of Asynchronously Transmitted Multi-Source Data hot!
Date: Dec-01 2007

Multiplexed data from multiple sources can be reconstructed in original temporal relationships.

A method of time coding of asynchronously transmitted data from ...

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Variable-Data-Rate Speech Encoder
Variable-Data-Rate Speech Encoder
Date: Oct-01 2007
A variable-data-rate (VDR) speech encoder has been designed to be interoperable with, and eventually to supplant, the many different voice encoders now used in military ...
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The Next Frontier of Networking—The Airborne Network
The Next Frontier of Networking—The Airborne Network hot!
Date: Aug-23 2007
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