<p>독일이 수 천대 이상의 위성으로 구성된 스타링크 위성이 방사하는 신호를 이용한 패시브 레이더 시스템을 시연했다고 하네요. 1월 15일 독일 국방부가 발행한 보고서에 실려있다고 합니다. </p><p> </p><p>고도 550km의 저궤도를 운행하는 3천대 이상의 위성으로 구성된 스타링크는 위성의 수가 많아 물체를 여러 방향에서 비출 수 있어 일반적인 레이더에선 레이더 그늘로 가려진 물체를 포착할 수 있다고 합니다. </p><p> </p><p>high-gain 레퍼런스 안테나로 특정 스타링크 위성을 추적하고 신호를 복사하고, 정찰구역을 지향한 감시 안테나로 표적의 반사신호를 수신한다고 하네요. 이 기술을 통해 자체 레이더 신호를 발신하지 않고 표적을 탐지 가능하며, 선박 등 움직이는 플랫폼에서 작동 가능하고 자체적으로 움직임을 보정할 수 있다고. </p><p> </p><p>문외한이 보기엔 뭔가 "이게 되는 거야?" 싶은 기술이긴 하네요. </p><p> </p><p><a href="https://www.airforce-technology.com/news/germany-demonstrates-passive-radar-system-using-starlink-satellite-radiation/?cf-view" target="_blank" class="ke-link">https://www.airforce-technology.com/news/germany-demonstrates-passive-radar-system-using-starlink-satellite-radiation/?cf-view</a></p><p> </p><p><b>Germany demonstrates passive radar system using Starlink satellite radiation</b></p><p><b>Germany has built a passive radar demonstrator that tracks targets using radiation from Starlink satellites</b> opportunistically.</p><p><span><a style="color: #151529;" href="https://www.airforce-technology.com/author/andrewgarthwaite/" target="_top" class="ke-link">Andrew Salerno-Garthwaite</a></span><span>January 18, 2024</span></p><p><span style="color: #373997; background-color: #000000;" data-ke-size="size20">Share this article</span></p><ul style="list-style-type: disc;" data-ke-list-type="disc"><li> </li><li> </li><li> </li><li> </li></ul><div class="figure-img" data-ke-type="image" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin"><img src="https://t1.daumcdn.net/cafeattach/SO0/61a0265d11b79cb8c461adbdcb6037193b06e09f" class="txc-image" data-img-src="https://t1.daumcdn.net/cafeattach/SO0/61a0265d11b79cb8c461adbdcb6037193b06e09f" data-origin-width="1280" data-origin-height="720"></div><p>SABBIA 2.0 passive radar system. Photo by Diego Cristallini, courtesy of Fraunhofer FHR.</p><p>Germany has been investigating <b>a new passive radar system for target detection and imaging using the signal from the Starlink satellite network,</b> with details of a functioning demonstrator appearing in the latest annual report from Germany’s Ministry of Defence on defence technology, <a style="color: #373997;" href="https://www.bmvg.de/de/aktuelles/wehrforschung-zeitenwende-jahresbericht-2022-veroeffentlicht-5725588" target="_top" class="ke-link">published</a> on 15 January 2024.</p><p>The opportunistic use of existing transmitters from the Starlink network opens the door for covert operation that is robust against jamming and better at detecting stealth targets, according to the report. </p><p>Even by modern standards, S<b>tarlink is a massive constellation, consisting of more than 3000 satellites</b>. From an<b> altitude of 550km,</b> the low earth orbit satellites provide global, all weather coverage with a strong bandwidth signal to Starlink’s customers, and also <a style="color: #373997;" href="https://www.army-technology.com/comment/radars-reconnaissance-and-software-are-shaping-the-artillery-war-in-ukraine/?cf-view" target="_top" class="ke-link">users in Ukraine</a>. </p><p>For the purposes of Fraunhofer Institute for High Frequency Physics and Radar Techniques (FHR), designers of the SABBIA 2.0 passive radar system demonstrator, this is an ideal set of circumstances. <b>The large number of Starlink satellites means that objects can be illuminated from multiple directions, bringing to sight objects that might be obscured in practical situations where there is only one transmitter. </b></p><p>The system uses <b>one high-gain reference antenna to track a selected Starlink satellite and copy its signal,</b> an<b>d a second surveillance antenna pointed towards an observation area to receive echoes from its target. </b></p><p><b>By observing the behaviour of the Starlink satellite, the SABBIA 2.0 passive radar system can detect targets without emitting its own radar signal. It can also operate from a moving platform, such as a ship, as it does not emit a signal from its location, and its own movement can be compensated. </b></p><p>How well do you <span>really</span> know your competitors?</p><p style="text-align: center;">Access the most comprehensive Company Profiles on the market, powered by GlobalData. Save hours of research. Gain competitive edge.</p><p><a style="color: #ffffff;" href="https://www.globaldata.com/companies/?utm_source=News&utm_term=visit_company_profile&utm_content=Germany%20demonstrates%20passive%20radar%20system%20using%20Starlink%20satellite%20radiation" target="_top" class="ke-link">View profiles in store</a></p><div class="figure-img" data-ke-type="image" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin"><img src="https://t1.daumcdn.net/cafeattach/SO0/04a9367b4ca72d2adb5bde13972dd276bd541085" class="txc-image" data-img-src="https://t1.daumcdn.net/cafeattach/SO0/04a9367b4ca72d2adb5bde13972dd276bd541085" data-origin-width="130" data-origin-height="182"></div><p><span style="color: #151529;">Company Profile – free sample</span></p><p>Not ready to buy yet? Download a free sample</p><p>We are confident about the unique quality of our Company Profiles. However, we want you to make the most beneficial decision for your business, so we offer a free sample that you can download by submitting the below form</p><p><span>By GlobalData</span></p><p>Submit</p><p>As well the energy-saving benefits that come from opportunistically using Starlink radiation to run a passive radar system, the system is difficult to detect by adversaries, and therefore cannot be easily disturbed by interference radiation. </p><p>A new prototype from FHR has begun combing the Starlink signal with radiation from geostationary television satellites to generate continuous radar imaging, allowing radar images that can be recorded for remote sensing. </p><p> </p><p><a href="https://www.bmvg.de/de/aktuelles/wehrforschung-zeitenwende-jahresbericht-2022-veroeffentlicht-5725588" target="_blank" class="ke-link">https://www.bmvg.de/de/aktuelles/wehrforschung-zeitenwende-jahresbericht-2022-veroeffentlicht-5725588</a></p><p> </p><p><a href="https://www.bmvg.de/resource/blob/5725032/84543c0300ea853e1503c8db9d9f3423/20240109-wehrwissenschaftliche-forschung-jahresbericht-2022-data.pdf" target="_blank" class="ke-link">https://www.bmvg.de/resource/blob/5725032/84543c0300ea853e1503c8db9d9f3423/20240109-wehrwissenschaftliche-forschung-jahresbericht-2022-data.pdf</a></p><p> </p>
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