NASA Scientific and Technical Aerospace Reports

DIELECTRICS
Theoretical and Experimental Characterization
of Multiconductor Transmission
Lines – 78
DIESEL ENGINES
Electric Boosting System for Light
Truck/SUV Application – 92
DIFFERENCE EQUATIONS
Misadjustment Expressions for Infinite
Impulse Response Adaptive Filters – 54
DIFFERENTIAL EQUATIONS
A Study on Higher Order Differential
Cryptanalysis of 64 Bit Block Cipher KA-
SUMI – 170
An Expansion Algorithm for Higher Order
Differential Cryptanalysis of Secret Key
Ciphers – 168
Differential Operator Based Edge and
Line Detection – 165
Numerical Studies of Acoustic Propagation
in Shallow Water – 167
On Multi Rounds Elimination Method for
Higher Order Differential Cryptanalysis
– 168
Performance of a Parallel Technique for
Solving Stiff ODEs Using a Blockdiagonal
Implicit Runge-Kutta
Method – 142
Sensitivity to Noise Variance in a Social
Network Dynamics Model – 175
DIFFERENTIAL PULSE CODE MODULA-
TION
Information-Theoretic Compressibility of
Speech Data – 218
DIFFRACTION
Atomic-Resolution 3D Electron Microscopy
with Dynamic Diffraction – 194
DIFFUSION
Diffusion Due to Beam-Beam Resonances
in Hadron Colliders – 186
Evolution of CdS/CdTe Device Performance
During Cu Diffusion – 196
DIGITAL DATA
Adjustable Range Broadcast for Desired
Airborne Network Connectivity – 17
DIGITAL ELECTRONICS
Timing Simulator by Waveform Relaxation
Considering the Feedback Effect
– 65
DIGITAL FILTERS
A Novel Approach for the Design of IIR
Filters as a Tapped Cascaded Interconnection
of Identical Allpass Subfilters
– 70
Architecture Considerations for High
Speed Recursive Filtering – 120
Block Digital Filtering Via Incremental
Block State Structure – 171
Design of Allpass Digital Ladder Networks
Using Bilinear Transformation Integrators
– 78
Digitally Programmable SC-Filters Compatible
with Semi-Custom VLSI – 72
A-16
Efficient Array Processing Structures for
Adaptive Quadratic Digital Filters – 73
Improved Signal-to-Noise Ratio Using
Tri-Level Delta-Sigma Modulation – 77
Minimization of Sensitivity of 2-D State-
Space Digital Filters and Its Relation to
2-D Balanced Realizations – 171
Properties of an Orthogonal-Type Echo
Canceller – 47
Realization of Structurally LBR Digital
Allpass Networks – 71
DIGITAL SYSTEMS
A 40 MFLOPS Digital Signal Processor:
The First Supercomputer on a
Chip – 56
A Reconfigurable Binary/RNS/LNS Architecture
for DSP – 126
A Split Control Store VLSI for 32 Kbps
ADPCM Transcoding – 125
Adaptive Backstepping Control with Integral
Action for PWM Buck DC-DC Converters
– 52
Multimedia Indexing and Retrieval Research
at the Center for Intelligent Information
Retrieval – 222
Operational Performance of a Bunch by
Bunch Digital Damper in the FERMILAB
Main Injector – 197
The Architecture and Application of the
Motorola DSP56000 Digital Signal Processor
Family – 130
Timing-Controlled Switched Analog Filters
with Full Digital Programmability
– 66
Variant of the Chaum Voter-verifiable
Scheme – 122
DIGITAL TECHNIQUES
Hysteresis Signature and Its Related
Technologies to Maintain the Digital Evidence
for Network Activities in Future
Society – 150
DIGITAL TO ANALOG CONVERTERS
Improved Double Integration Delta-
Sigma Modulations for A to D and D to A
Conversion – 47
DIMENSIONAL MEASUREMENT
Dimensional Measurements of Three
Tubes by Computed Tomography – 83
DIMMING
A Frequency Domain Approach to Multiframe
Detection and Estimation of Dim
Targets – 205
DISASTERS
Humanitarian Assistance and Disaster
Relief: Are the National/International Coordinating
Agencies Capable of Fulfilling
the Mission? – 104
Limiting the Holding Time in Mobile Cellular
Phone Systems During Disasters
– 46
Research and Development for Victims
Information Registration and Retrieval
System (IAA System) and its Application
to Natural Disasters – 229
Research and Development of an RFID
Based Disaster-relief System – 149
Ubiquitous Communications Technology
for Disaster Mitigation – 149
DISCRETE FUNCTIONS
Discrete All-Pole Modeling for Voiced
Speech – 44
DISCRIMINANT ANALYSIS (STATISTICS)
A Multivariate Voicing Decision Rule
Adapts to Noise, Distortion, and Spectral
Shaping – 173
DISPLAY DEVICES
Effects of Frame of Reference and Viewing
Condition on Attentional Issues with
Helmet Mounted Displays – 61
Strategic Applications of Controller-
Assigned Airborne Separation
(CAAS) – 23
DISSIPATION
Recent Science Highlights – 236
DISSOCIATION
Dissociative Shocks in the Neighborhood
of Orion IRc2 Traced with Atomic Carbon
– 234
DISTILLATION
Domestic Preparedness Program: Sarin
(GB) and Distilled Sulfur Mustard (HD)
Vapor Challenge Testing of Commercial
Self-Contained Breathing Apparatus
– 116
DISTORTION
A Multivariate Voicing Decision Rule
Adapts to Noise, Distortion, and Spectral
Shaping – 173
A Phase-Plane Approach to the Compensation
of High-Speed Analog-to-Digital
Converters – 67
Autocorrelation Distortion Function for
Improved AR Modeling – 60
Co-Channel Speech Separation – 41
Factors in Voice Quality: Acoustic Features
Related to Gender – 54
DISTRIBUTED INTERACTIVE SIMULA-
TION
DMT-RNet: An Internet-Based Infrastructure
for Distributed Multidisciplinary Investigations
of C2 Performance – 134
From Cognitive Task Analysis to Simulation:
Developing a Synthetic Team Task
for AWACS Weapons Directors – 133
DISTRIBUTED MEMORY
Techniques to Improve the Performance
of Software-Based Distributed Shared
Memory Systems – 132
DISTRIBUTED PARAMETER SYSTEMS
DRBAC: Distributed Role-Based Access
Control for Dynamic Coalition Environments
– 147
Flow-of-Activation Processing – 151
DISTRIBUTED PROCESSING
Metacomputing and Resource Allocation
on the World Wide Web – 132