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Space-borne Antenna

Space-borne Antenna. Product & Heritage. Version 2015 V1. Space-borne Antenna. The top supplier of space-borne antenna in China. Over 40 years’ experience of design, manufacture, assembly, integration and test for space antenna.

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Space-borne Antenna

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  1. Space-borne Antenna Product & Heritage Version 2015 V1

  2. Space-borne Antenna • The top supplier of space-borne antenna in China. • Over 40 years’ experience of design, manufacture, assembly, integration and test for space antenna. • More than 100 antenna subsystems delivered and launched for Communication, Data relay, Navigation, Earth observation, Moon exploration and Manned spacecraft. • A professional team with extensive knowledge, skill, experience, and equipped with the advanced state-of-the-art tools and facilities. • Expanding the customer’s value by supplying system-level support as well as antenna products.

  3. System Level Support • Customer Requirement Proposal; • System Performance Budget Analysis; • Antenna Layout on Satellite; • Satellite Level Test, especially CTR Test and EMC Test; • On-orbit Test.

  4. Product Lines

  5. Reflector Antenna • Offset, single shaped reflector • Broad band Tx/Rx feed of high performance • High power handling • Low PIM products Program: ChinaSat-11 Single Shaped Reflector Antenna

  6. Reflector Antenna • Dual grid shaped reflectors • Kevlar-Nomex honeycombsandwich structure for the front reflector • CFRP aluminum honeycombsandwich structure for the rear reflector Program: Venesat-1, Sinosat-6 Dual Grid Antenna

  7. Reflector Antenna • Shaped gregorian reflector • Higher shaping efficiency reached by shaped sub-reflector • Sub-reflector with APM • High power handling • Low PIM products Program: Sinosat-5, Pakisat-1R Dual Shaped Reflector Antenna

  8. Reflector Antenna • Tx/Rx Feed Assembly

  9. Spot Beam Antenna • Shaped ring focus reflector antenna • Dual polarization • Biaxialsteerable and program tracking • Low loss rotary joint Program: Shenzhou-7 Ring Focus Reflector Antenna

  10. Spot Beam Antenna • Standard or shaped ring focus reflector • Choke grooves/Smooth wall horn feeding • Single polarization/dual polarization • Biaxial X-Y system • Low loss rotary joint Program: Shenzhou-9 Ring Focus Reflector Antenna

  11. Spot Beam Antenna • Standard or shaped ring focus reflector • Biaxial system • S/Ka dual frequency feed • Low loss rotary joint • Circular polarizied TE21 multi-mode tracking Program: Tiangong-1 Ring Focus Spot Beam Antenna

  12. Spot Beam Antenna • Standard Cassegrain reflector • S/Ka dual-band FSS for subreflector • Auto-tracking in TM01mode Program: Tianlian-1 Spot Beam Antenna for Data Relay

  13. Spot Beam Antenna • Offset reflector • double multi-band feeds • Earth and cold-sky observation beams can be generated in one period • Multi-frequency and multi-polarization Program: Haiyang 2 Microwave RadiometerAntenna

  14. Spot Beam Antenna • Symmetrical parabolicreflector • Two beams Program: Haiyang-2 Microwave Scatterometer Antenna

  15. Spot Beam Antenna • Offsetreflector • Beam scanning by reflector rotation • High beam efficiency, highly precision reflector Program: Fengyun-3 Microwave ThermometerAntenna

  16. Spot Beam Antenna • Dual offset shaped Gregorian • X-Y axises • High power handling rotary joint Program: ChinaSat-11 Dual Offset Whole Steerable Spot-Beam Antenna

  17. Spot Beam Antenna Rotary Joint

  18. Spot Beam Antenna • APME (Stepper Motor) ADME (DC Motor )

  19. Relay User’s Terminal Controller Technology characteristic： • Ability of control of 2D. antenna with deploy axis • Ability of independent extrapolating on the orbit • Multi-working patterns such as program-orbit mode, program-GPS mode and auto-tracking mode. • Function of terminal slave computer.

  20. Synchronous motor Scanning Controller Technology characteristic： • Ability of servo-control of permanent magnetic -field synchronous motor (PMSM). • uniform or variable motion of single axis • High speed stabilization performance

  21. Array Antenna • 2D wide angle scanning • Beam auto-tracking based on velocity vector Program: Shenzhou-6 Phased-Array Antenna

  22. Array Antenna • Wide angle scanning • Auto-track earth station • Downlink data transmission rate: 450Mbps (QPSKsignal) • Small dimension, low mass Program: Shiyan-4 Data Transmission Phased-Array Antenna

  23. Array Antenna • Wide angle scanning • Small dimension, low mass Program: Beidou-2 Ka-Band Phased-Array Antenna

  24. Mesh Antenna • Large aperture antenna • High efficiency package, surface density • Suitable for 6 meter diameter aperture and larger Loop DeployableAntenna

  25. Mesh Antenna • High Surface accuracy • High Deployment reliability Radial Rib DeployableAntenna

  26. Mesh Antenna • Large aperture antenna • High Deployment reliability • High Deployed stiffness Tet-Truss DeployableAntenna

  27. Single Radiator Antenna • Single linear polarization rectangular horn • Dual linear polarization circularhorn Single linear polarization Dual linear polarization Program: ChinaSat-11 Horn Antenna

  28. Single Radiator Antenna • Double spiral • Top-feed • Hemisphere coverage Program: Chang’e-1, Chang’e-2 Double Spiral Antenna

  29. Design and Analysis • RF Design & Analysis Grasp + Pos CHAMP Wasp-Net6.5 HFSS 14.0 • Mechanical Design & Analysis Pro/E NASTRAN / PATRAN I-DEAS / TMG SYSNOISE

  30. Integration, Testing and Verification Clean room 6000 m2; Class of cleanness 100, 000; Equipped with test instruments such as theodolite, V-stars/s8 test system and 3-D test bend, etc. Compact Range CCR75/60; From 1GHz to 40GHz. Spherical Scanner From 0.4GHz to 6GHz. Planar Scanner From 1GHz to 40GHz. PIM & Thermal Vacuum Testing 22 various test facilities: KM3, KM2, 5D7, 3D4, BZ1000. Vibration Testing TVAC chambers for the testing of antenna with reflector smaller than 2.0m.

  31. For more information please contact: marketing@castxian.com

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