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Über dieses Buch

This book discusses the innovative design, cable-net design and analysis, control, deployment, development and applications of large space-deployable antennas. Drawing on the authors’ own work in this field, it describes and analyzes various typical deployable antennas, membrane antennas and super-large space-assembled antennas, while chiefly focusing on mesh antennas due to their wide range of applications. It also investigates forming–finding design and the analysis of cable-truss structures for high-precision reflector antennas, as well as deployment process control and deployment reliability based on flexible multibody dynamic analysis. The book covers not only mechanical structure performance, but also electromagnetic performance realization and stability. Lastly, it proposes an electrical equivalent method for mesh reflector antennas and a coupling model for the structural displacement field and electrostatic field. Given the nature of its content, the book is intended for researchers, graduate students and engineers in the field of space antennas.

Inhaltsverzeichnis

Frontmatter

Chapter 1. Introduction

Abstract
In August 1972, Orbiting Astronomical Observatory No 3 (OAO-3) of the USA was launched. To commemorate the 500-year anniversary of the birth of the great scientist Nicolaus Copernicus, it was named the Copernicus Satellite. Copernicus’s heliocentrism gave rise to a revolution in human understanding of the universe. To explore space, launching satellites with antennas is the first step. As a result, spaceborne antennas have been widely used in communication, reconnaissance, navigation, remote sensing, deep-space exploration, radio astronomy and so on because they are the “eyes” and “ears” of satellite systems and play a key role in the implementation of satellite functions.
Baoyan Duan, Yiqun Zhang, Jingli Du

Chapter 2. Space Service Environment Analysis

Abstract
For satellites to operate reliably in space, it is necessary to understand and solve special service environment problems such as vacuum, extremely high and low temperatures, microgravity, and solar irradiation. These factors will bring unprecedented challenges to the design, manufacture and maintenance of spaceborne deployable antennas.
Baoyan Duan, Yiqun Zhang, Jingli Du

Chapter 3. Cable Net Design and Form-Finding of Cable and Truss Combined Structures

Abstract
To commemorate the great contribution of Galileo Galilei in the area of space, NASA launched a Jupiter probe named Galileo on October 11, 1989. The probe is equipped with a camera and a lower gain antenna that can measure Jupiter’s atmospheric, cloud and magnetic information. There are two kinds of spaceborne reflector antennas: axisymmetric (prime-feed) and non-axisymmetric (offset-feed) reflector antennas. The non-axisymmetric reflector antenna is mainly a cutting parabolic antenna. The cutting antenna here is generally not a ground warning or search antenna that is cut by two planes parallel to the axis but an antenna obtained from a cylinder intersecting the axisymmetric reflector. As a result, an elliptical reflector surface is obtained.
Baoyan Duan, Yiqun Zhang, Jingli Du

Chapter 4. Analysis and Control of Flexible Multibody Deployment

Abstract
The law of universal gravitation, proposed by Newton, provides the theoretical basis for the development of artificial satellites, which consist of the proprietary system and support system. The deployable antenna is an important part of the proprietary system.
Baoyan Duan, Yiqun Zhang, Jingli Du

Chapter 5. Electronic Performance Analysis and Equivalent of Mesh Reflector Antenna

Abstract
Spaceborne antennas are designed for the tasks of space-to-ground and space-to-space communication, navigation, precision observation, space-based warning systems, etc. The electronic performance is the most important and final target that all other factors serve. On April 10, 2019, astronomers from China, the United States, Europe, Japan, Australia and Chile announced the observation of a black hole 55 million light-years away from the Earth using very long baseline interferometry (VLBI) technology composed of eight antennas distributed across the Earth, thus verifying Einstein’s theory of relativity
Baoyan Duan, Yiqun Zhang, Jingli Du

Chapter 6. Reflector Surface Precision Measurement and Adjustment of Cable-Truss Combined Structures

Abstract
To observe the universe more clearly, it is a good strategy to put an antenna in space. The Hubble space telescope in the USA is an example. In the harsh environment of space, it is difficult to maintain the surface precision of the antenna, which is one of the most crucial indicators to evaluate the performance of the antenna.
Baoyan Duan, Yiqun Zhang, Jingli Du

Chapter 7. Deployment Reliability Analysis of Cable Truss Combined Deployable Antenna

Abstract
Long March No. 4 sent the first black hole exploration satellite named HuiYan to space on June 15, 2017. Its goal is to explore a black hole and demonstrate the evaporation theory proposed by the great scientist Stephen William Hawking.
Baoyan Duan, Yiqun Zhang, Jingli Du

Chapter 8. Prototype Development and Experiment

Abstract
Karl Guthe Jansky was the inventor of the world’s first radio telescope, which he used to discover radio waves from the center of the Milky Way galaxy in 1932, marking the birth of radio astronomy.
Baoyan Duan, Yiqun Zhang, Jingli Du

Chapter 9. Spaceborne Deployable Antenna Design Software (SDADS) and Its Application

Abstract
Spaceborne deployable antennas have been widely used in satellite communications, deep space exploration and electronic reconnaissance. Designing an antenna quickly and effectively with a reasonable structure and performance has become one of the most important issues.
Baoyan Duan, Yiqun Zhang, Jingli Du

Chapter 10. Electrostatic Forming Membrane Reflector Antenna

Abstract
The principle of the membrane antenna is to coat the membrane with a metal reflective medium to form a specified shape under a certain external force to reflect electromagnetic waves.
Baoyan Duan, Yiqun Zhang, Jingli Du
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