河北力量助SKA-Mid首获干涉条纹

Core Insights - The SKA-Mid telescope has successfully achieved its first interferometric fringes, marking a significant milestone in its capability for collaborative observations [1][2] - The Square Kilometer Array (SKA) is a global project involving multiple countries, aiming to create the world's largest radio telescope with a total receiving area of approximately 1 square kilometer [1] - The successful combination of signals from multiple antennas allows for enhanced observational capabilities, with the recent achievement involving a radio galaxy located about 2.6 billion light-years from Earth [1] Group 1 - The SKA-Mid's interferometric observation capability is closely linked to the precision of the antenna structure and pointing accuracy developed by the China Electronics Technology Group Corporation [2] - The project team has conducted technical research on various indicators such as servo, electrical, and electromagnetic compatibility to improve antenna performance [2] - Enhancements in antenna control algorithms have led to improved precision in the servo system and tracking capabilities [2] Group 2 - The SKA-Mid is currently in an orderly construction phase, with plans for high-quality product delivery and steady progress in assembly and debugging [2] - The project team is actively engaged in system integration testing and validation with international partners at multiple sites [2] - The achievement of this milestone is seen as a significant technical challenge, demonstrating the ability of the SKA-Mid to function as a cohesive scientific observation instrument [2]