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Isro带着新的18米天线进入x波段遥测和指挥体制
印度空间研究组织(Isro)已经启用了一种新的18米天线，首次允许航天局在更快的X波段(频率)上进行遥测和指挥操作。到目前为止，Isro只使用X波段进行有效载荷数据下载，使用S波段进行遥测和指挥。
印度空间研究组织(Isro)已经启用了一个新的18米天线，这是太空总署第一次使用它遥测和指挥操作在更快的X波段(频率)。到目前为止，Isro只使用X波段进行有效载荷数据下载，使用S波段进行遥测和指挥。
与S波段的工作频率为2GHz ~ 4GHz相比，X波段的工作频率为8GHz ~ 10GHz。印度空间研究组织的消息人士称这是一个重要的里程碑，称这有两个好处:“首先，它提高了命令的速度，其次，考虑到S频段现在也被电信公司用于5G，它减少了任何干扰的可能性。”
该天线是由印度首个太阳能任务Aditya-L1的资金开发的，预计将于2022年底发射，并将用于其他项目深空任务在未来，除了面向国际客户外，也可以使用。
另一位科学家表示，国际机构美国国家航空航天局Isro已经迁移到X波段进行遥测和指挥操作，到目前为止无法提供服务。随着新天线的投入使用，航天局将能够吸引更多的合作。
Isro主席证实了事态的发展K息汪月他说:“由ECIL(印度电子有限公司)开发，一些关键系统来自BARC (巴巴原子研究中心)，天线已经在Byalalu这里进行了调试。它标志着一个新时代，因为我们可以在一个新的波段进行遥测操作，它也将为NSIL在未来实现商业化提供机会。”
Sivan说，对上述天线的需求来自Aditya-L1，并已作为任务准备工作的一部分投入使用。“但未来其他深空任务和卫星也可以使用它，”他说。
The Indian Space Research Organisation (Isro<\/a>) has commissioned a new 18m antenna, which for the first time, allows the space agency to conduct telemetry and command operations<\/a> on the much faster X band (frequency). So far, Isro only used X band for payload data downloading and used the S band for telemetry and command.
Compared to S band, which operates with 2GHz to 4GHz, X band functions in 8GHz to 10GHz. Sources at Isro, terming this a major milestone, said this has two advantages: \"First, it increases the speed of commands and second, reduces possibility of any interference given that the S band is now also used by telecom companies for 5G.\"
The antenna was developed from the funds meant for Aditya-L1 \u2014 India\u2019s first solar missions expected to be launched in late 2022 \u2014 and will be used for other deep space missions<\/a> in the future too aside from being available for international customers.
<\/div><\/div>\"The indigenous antenna and station is capable of performing transmit and receive operations in both S and X bands. It is equipped with auto-tracking features<\/a> in both the bands and is remotely operable from the Isro Telemetry, Tracking and Command Network<\/a> (Istrac) network control centre and is CCSDS (Consultative Committee for Space Data Systems) compliant facilitating interoperability and cross-support among different space agencies,\" a senior scientist told TOI.
Another scientist said that with international agencies like Nasa<\/a> having already migrated to X band for telemetry and command operations, Isro was unable to offer services so far. With the commissioning of the new antenna, the space agency will be able to attract more collaborations.
Confirming the developments, Isro chairman K Sivan<\/a>, said: \"Developed by ECIL (Electronics Corporation of India Limited) with some key systems coming from BARC (Bhabha Atomic Research Centre<\/a>), the antenna has been commissioned in Byalalu here. It marks a new era as we can do telemetry operations in a new band, and it will also provide opportunities for NSIL to commercialise it in the future.\u201d
Sivan said that the demand for the said antenna arrived from Aditya-L1 and has been commissioned as part of the preparations for the mission. \"But other deep space missions and satellites can also use it in the future,\" he said.
Another scientist said that with international agencies like Nasa<\/a> having already migrated to X band for telemetry and command operations, Isro was unable to offer services so far. With the commissioning of the new antenna, the space agency will be able to attract more collaborations.
Confirming the developments, Isro chairman K Sivan<\/a>, said: \"Developed by ECIL (Electronics Corporation of India Limited) with some key systems coming from BARC (Bhabha Atomic Research Centre<\/a>), the antenna has been commissioned in Byalalu here. It marks a new era as we can do telemetry operations in a new band, and it will also provide opportunities for NSIL to commercialise it in the future.\u201d
Sivan said that the demand for the said antenna arrived from Aditya-L1 and has been commissioned as part of the preparations for the mission. \"But other deep space missions and satellites can also use it in the future,\" he said.
<\/div><\/div>Aditya-L1 is India\u2019s first dedicated space-based solar observatory of India and will be around the Earth-Sun Lagrange point L1. \"With the inclusion of multiple payloads, this project also provides an opportunity to solar scientists from multiple institutions within the country to participate in space-based instrumentation and observations. Thus the enhanced Aditya-L1 project will enable a comprehensive understanding of the dynamical processes of the sun and address some of the outstanding problems in solar physics,\" according to Isro.
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