08/19/2024, 08:13 PM UTC
激光聚焦的GPS替代方案Laser-Focused GPS Replacement
➀ 强调GPS依赖问题，包括信号阻塞和故意干扰。 ➁ 提出量子惯性测量单元作为解决方案，但由于尺寸和成本目前不切实际。 ➂ 桑迪亚国家实验室正在开发使用光子集成电路（PICs）的紧凑型原子干涉仪。 ➃ PICs增强了系统的紧凑性、耐用性以及对振动和冲击的抵抗力。 ➄ 开发硅光子调制器以控制光线并减少边带，提高系统性能。➀ GPS reliance issues highlighted, including signal blockage and intentional interference. ➁ Quantum inertial measurement units proposed as a solution, though currently impractical due to size and cost. ➂ Sandia National Laboratories developing compact atom interferometers using Photonic Integrated Circuits (PICs). ➃ PICs enhance system compactness, durability, and resistance to vibrations and shocks. ➄ Silicon photonic modulators developed to control light and reduce sidebands, improving system performance.
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