The Interplanetary Network Progress Report 42-150

April-June 2002

Joseph H. Yuen
Editor in Chief


August 15, 2002

NASA Logo
National Aeronautics and
Space Administration

Jet Propulsion Laboratory
California Institute of Technology
Pasadena, California


Contents

Preface

List of Changes

Integrated Trajectory and Navigation Design in Unstable Orbital Environments
D. J. Scheeres and M. W. Lo

Some Analytic Integrals of the Averaged Variational Equations for a Thrusting Spacecraft
A. E. Petropoulos

Ka-Band Atmospheric-Induced Temperature Fluctuations
D. D. Morabito

The Spacecraft Communications Blackout Problem Encountered during Passage or Entry of Planetary Atmospheres
D. D. Morabito

Intersymbol Interference in Pulse-Amplitude Modulation Signaling Systems Satisfying a Spectral Mask Constraint
R. McEliece and R. Palanki

Analysis of Energy Consumption for Ad Hoc Wireless Sensor Networks Using a Bit-Meter-per-Joule Metric
J. L. Gao

Large-Array Signal Processing for Deep-Space Applications
C. H. Lee, V. Vilnrotter, E. Satorius, Z. Ye, D. Fort, and K.-M. Cheung

Misaligned Antenna Phase-Center Determination Using Measured Phase Patterns
A. Prata, Jr.

Calculation of Antenna System Noise Temperatures at Different Ports - Revisited
T. Y. Otoshi

A Command Preprocessor for Antenna Motion without Overshoots
W. Gawronski

The Paramagnetic Ground State of Ruby - Revisited
J. Shell

Referees


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.


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