| Cover |
1 |
| Table of Contents |
116 |
| Editors List |
2 |
| Tribute to Frederick H. Osborn, Jr. Executive Secretary of SUNSAT Energy Council by Peter Glaser |
3 |
| Grating Lobe Characteristics and Associated Impacts Upon The SPS Mw System by Kerwin and Arndt |
5 |
| Abstract |
5 |
| 1. Introduction |
5 |
| 2. Phase Control System |
5 |
| 3. Grating Lobe Analysis For Phase Control To Subarray Level |
6 |
| Convolution and Multiplication |
9 |
| Infinite Array of Point Sources |
11 |
| Circular Antenna Function |
12 |
| Rectangular Subarray Pattern |
17 |
| Composite SPS Pattern |
18 |
| 4. Grating Lobe Analysis For Power Module Phasing |
20 |
| 5. Antenna Tilt |
22 |
| Subarray Pattern and Grating Lobe Shifts with Antenna Tilt |
23 |
| Grating Lobe Intensities as a Function of Tilt |
25 |
| 6. Analytical Results |
28 |
| 7. Conclusions |
30 |
| References |
30 |
| Antenna Optimization of Single Beam MicrowaveSystems for the SPS by Kerwin, Jezewski and Arndt |
31 |
| Abstract |
31 |
| Introduction |
31 |
| Initial Taper andS izing Analysis |
31 |
| SPS Cost Model |
32 |
| Antenna Theory |
36 |
| Method of Solution |
39 |
| Optimization |
39 |
| Inequality Constraints |
39 |
| Converging to the Solution |
40 |
| Analysis of Results |
40 |
| Effects of Antenna Thermal Limits |
40 |
| Effects of Sidelobe Power Density Limits |
40 |
| Effects of Ionospheric Limitations |
42 |
| System Characteristics |
43 |
| Optimized System Configuration |
44 |
| Conclusions And Recommendations |
49 |
| References |
49 |
| Multiple Beam Microwave Systems for the SPS by Arndt and Kerwin |
51 |
| Abstract |
51 |
| Introduction |
51 |
| Theory of Multiple Beams |
51 |
| Subarray Effects and Grating Lobes |
54 |
| Multiple Beam Taper Optimization |
56 |
| Theoretical Results |
57 |
| Beam Patterns |
57 |
| Effects of Rectenna Spacing and Subarray Sizing |
58 |
| Multiple Beam Effects |
61 |
| Antenna Error Degradations |
62 |
| Effects of Satellite Motion |
63 |
| Conclusions and Recommendations |
63 |
| References |
65 |
| Configuration Design of a CLosed Loop Pseudogravitational, Environmental Research Faciltiy in Low Earth Orbit by Janet JOnes-Oliveira |
67 |
| Abstract |
67 |
| Content |
68 |
| Design Approach |
68 |
| Safety Requirements |
69 |
| Construction Methodology |
70 |
| Structural Stability and Integrity |
70 |
| Program Goal |
70 |
| Financial Considerations |
70 |
| Configuration Design |
71 |
| Typical Component Design |
75 |
| Additional Considerations |
82 |
| Conclusion |
84 |
| References |
85 |
| An Investigation of Quasi-Inertial Attitude Control for a SPS by Juang and Wang |
87 |
| Abstract |
87 |
| Introduction |
87 |
| The Equation of Rigid Body Motion in Synchronous Orbit |
88 |
| Quasi-Inertia Attitude Trajectory Analysis |
89 |
| Equilibrium States in the Nonconservative Field |
91 |
| Parametric Analysis |
93 |
| Power-Assisted Quasi-Inertial Attitude Control |
95 |
| Conclusions and Discussions |
101 |
| References |
102 |
| News Item: The Launch of Conestoga 1 by David Hannah, Jr. |
103 |
| List of Contents and Author Index Volume 3,1982 |
105 |
| Volume 3, Number 1 |
107 |
| Volume 3, Number 2 |
107 |
| Volume 3, Number 3 |
108 |
| Volume 3, Number 4 |
108 |
| Author Index - Volume 3, 1982 |
109 |