National Aeronautics and
Space Administration
National Aeronautics and
Space Administration
Jet Propulsion Laboratory
California Institute of Technology
Pasadena, California
Contents
A Ka-Band Wide-Bandgap Solid-State Power Amplifier: Architecture Performance Estimates
P. Khan, L. Epp, and A. Silva
Ka-Band Wide-Bandgap Solid-State Power Amplifier: Hardware Validation
L. Epp, P. Khan, and A. Silva
Data-Rate Estimation for Autonomous Receiver Operation
A. Tkacenko and M. K. Simon
Performance Analysis of Direct-Sequence Code-Division Multiple-Access Communications with Asymmetric Quadrature Phase-Shift-Keying Modulation
C.-W. Wang and W. Stark
A Simple Semaphore Signaling Technique for Ultra-High Frequency Spacecraft Communications
S. Butman, E. Satorius, and P. Ilott
Low-Complexity Lossless Compression of Hyperspectral Imagery via Adaptive Filtering
M. Klimesh
Semi-Supervised Data Summarization: Using Spectral Libraries to Improve Hyperspectral Clustering
K. L. Wagstaff, H. P. Shu, D. Mazzoni, and R. Castano
A Proposed Frequency Synthesis Approach to Accurately Measure the Angular Position of a Spacecraft
D. S. Bagri
Relocation of Advanced Water Vapor Radiometer 1 to Deep Space Station 55
J. Oswald, L. Riley, A. Hubbard, H. Rosenberger, A. Tanner, S. Keihm, C. Jacobs, G. Lanyi, and C. Naudet
The research described in this publication was carried out by the Jet Propulsion Laboratory, California Institute of Technology, under a contract with the National Aeronautics and Space Administration. Reference herein to any specific commercial product, service, process, or service by trade name, trademark, manufacturer, or otherwise, does not constitute or imply its endorsement by the United States Government or the Jet Propulsion Laboratory, California Institute of Technology.