基于激光星间链路的高速信号定时同步与精密测量方法
By employing a fully digital parallel processing architecture, combined with interpolation filters and a synchronous NCO, the timing synchronization and precision measurement problems of high-speed signals in laser inter-satellite links are solved, realizing an integrated design of laser communication and ranging, and improving signal recovery accuracy and ranging precision.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- XIAN INSTITUE OF SPACE RADIO TECH
- Filing Date
- 2023-12-18
- Publication Date
- 2026-07-17
AI Technical Summary
Existing technologies cannot effectively solve the problems of timing synchronization and precision measurement of high-speed signals in laser inter-satellite links, especially when implementing parallel processing architecture on FPGAs, which involves hardware complexity and performance impact.
Employing a fully digital parallel processing architecture, it achieves high-speed signal timing synchronization and precise measurement through steps such as serial-to-parallel conversion, carrier synchronization, parallel timing synchronization, data demodulation, and frame synchronization, combined with interpolation filters, timing error detectors, and synchronization NCOs.
An integrated design of communication and ranging algorithms for laser inter-satellite links was realized, and multi-channel parallel precision ranging of high-speed signals was completed, reducing hardware complexity and improving the accuracy of signal recovery and ranging precision.
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Figure CN117856906B_ABST