The Telecommunications and Data Acquisition Progress Report 42-100

October-December 1989

E. C. Posner
Editor


February 15, 1990

NASA Logo
National Aeronautics and
Space Administration

Jet Propulsion Laboratory
California Institute of Technology
Pasadena, California


Contents

Preface

OSO TASKS
DSN Advanced Systems
TRACKING AND GROUND-BASED NAVIGATION

Precise Estimation of Tropospheric Path Delays With GPS Techniques
S. M. Lichten
NASA Code 310-10-61-84-04

The Determination of Maximum Deep Space Station Slew Rates for a High Earth Orbiter
J. A. Estefan
NASA Code 310-10-63-90-01

Microwave Analog Fiber-Optic Link for Use in the Deep Space Network
R. T. Logan, Jr., G. F. Lutes, and L. Maleki
NASA Code 310-10-62-16-00

Galileo Earth Approach Navigation Using Connected-Element Interferometer Phase-Delay Tracking
S. W. Thurman
NASA Code 310-10-63-50-00

Using Connected-Element Interferometer Phase-Delay Data for Magellan Navigation in Venus Orbit
S. W. Thurman and G. Badilla
NASA Code 310-10-63-50-00

COMMUNICATIONS, SPACECRAFT-GROUND

Voltage Source AC-to-DC Converters for High-Power Transmitters
R. Cormier
NASA Code 310-20-64-22-00

Dual-Shaped Offset Reflector Antenna Designs From Solutions of the Geometrical Optics First-Order Partial Differential Equations
V. Galindo-Israel, W. Imbriale, K. Shogen, and R. Mittra
NASA Code 310-20-65-04-00

A Real-Time Signal Combining System for Ka-Band Feed Arrays Using Maximum-Likelihood Weight Estimates
V. A. Vilnrotter and E. R. Rodemich
NASA Code 310-30-70-89-01

Ultralow Noise Performance of an 8.4-GHz Maser-Feedhorn System
D. L. Johnson, S. M. Petty, J. J. Kovatch, and G. W. Glass
NASA Code 310-20-66-53-00

Radiometric Tests on Wet and Dry Antenna Reflector Surface Panels
T. Y. Otoshi and M. M. Franco
NASA Code 310-30-69-88-04

A Functional Description of the Advanced Receiver
S. Hinedi
NASA Code 310-30-70-84-02

QPSK Carrier-Acquisition Performance in the Advanced Receiver II
S. Hinedi and B. Shah
NASA Code 310-30-70-84-02

Digital Doppler Extraction Demonstration With the Advanced Receiver
S. Hinedi, R. Bevan, H. Del Castillo, P. Kinman, D. Chong, and R. Labelle
NASA Code 310-30-70-04-02

Exact Closed-Form Expressions for the Performance of the Split-Symbol Moments Estimator of Signal-to-Noise Ratio
S. Dolinar
NASA Code 310-30-71-83-04

A VLSI Decomposition of the deBruijn Graph
O. Collins, S. Dolinar, R. McEliece, and F. Pollara
NASA Code 310-30-71-83-02

Validity of the Two-Level Model for Viterbi Decoder Gap-Cycle Performance
S. Dolinar and S. Arnold
NASA Code 310-30-71-83-04

Finding the Complete Path and Weight Enumerators of Convolutional Codes
I. Onyszchuk
NASA Code 310-30-71-83-04

An Adaptive Vector Quantization Scheme
K.-M. Cheung
NASA Code 310-30-71-83-02

A VLSI Design for a Systolic Viterbi Decoder
T. K. Truong, E. Satorius, M. T. Shih, and I. S. Reed
NASA Code 310-30-71-87-02

DSN Systems Implementation
CAPABILITIES FOR EXISTING PROJECTS

Radar RFI at Goldstone DSS 12 and DSS 16
S. D. Slobin and T. K. Peng
NASA Code BG 314-40-41-81-11

Improving a Data-Acquisition Software System With Abstract Data Type Components
S. D. Howard
NASA Code 314-40-41-91-93 and 314-40-22-60-12

Structural Fatigue in the 34-Meter HA-Dec Antennas
R. A. Van Hek and B. P. Saldua
NASA Code 314-40-44-14-46

CAPABILITIES FOR NEW PROJECTS

Mark IV-A DSCC (Magellan-Era) Telemetry System Description
D. L. Ross
NASA Code 314-40-41-81-13

A Higher Density VLBI Catalog for Navigating Magellan and Galileo
J. S. Ulvestad, 0. J. Sovers, and C. S. Jacobs
NASA Code 314-30-57-34-17 and 314-30-51-34-34

An 8.4-GHz Dual-Maser Front-End System for Parkes Reimplementation
D. L. Trowbridge, J. R. Loreman, T. J. Brunzie, and R. Quinn
NASA Code 314-30-66-11-09

Author Index, 1989


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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