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首頁新聞中心 AccuBeat晶振用于空間解決方案的原子鐘

AccuBeat晶振用于空間解決方案的原子鐘

來源:http://www.jdzks.com 作者: 2022年04月27
AccuBeat晶振用于空間解決方案的原子鐘,太空任務和深空探索計劃依賴于高精度原子鐘,AccuBeat很自豪能夠被選中為歐洲航天局(ESA) 的JUICE(木星冰月探測器)任務開發和生產超穩定振蕩器(USO) 。
AccuBeat用于深空的空間合格超穩定振蕩器 (USO) 解決方案將作為任務中計時的中心來源,并將成為由以色列魏茨曼研究所的Yohai Kaspi教授和Eli Galanti博士領導的無線電科學掩星實驗的一部分與羅馬La-Sapienza大學的Luciano Iess教授合作。正如Kaspi教授在附信中提到的那樣贊賞 “基于AccuBeat開發的USO的出色穩定性,我們期望獲得前所未有的科學回報,這使我們能夠首次以極高的準確度表征木星大氣的垂直結構,降至2 bar的水平。” 計劃中的實驗將通過跟蹤穿過大氣層的無線電波的相位變化來探測木星的大氣層,同時航天器使用AccuBeat的超高穩定性頻率源傳輸到地。
AccuBeat的USO是一種高穩定性石英晶體振蕩器,采用高Q晶體諧振器和100µ開爾文范圍內的高溫穩定性。由AccuBeat設計的USO在1到1000秒的積分常數下,其艾倫偏差明顯優于5E-13的要求規格,使其成為同類中最穩定的振蕩器,專為深空探索而設計。AccuBeat的USO旨在滿足此規范,同時經受苛刻的EMC影響和木星周圍的惡劣環境,某些內部組件的輻射水平高達100kRad。

JUICE是歐洲航天局(ESA) 的旗艦項目,2022年5月,該航天器將啟程前往木星,行程近6億公里,預計2030年到達木星。三年半的時間里,JUICE將在 AccuBeat為深空探索設計的USO的幫助下環繞這顆巨大的行星,探索其動蕩的大氣層、巨大的磁層和一組脆弱的暗環,并研究其三個最大的冰衛星——木衛二、木衛三和卡利斯托。JUICE項目經理 Vincent Poinsignon 說:“我們的目標是調查這些冰殼下是否存在液態海洋,這些海洋可能含有有機成分甚至生命。” 
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?AccuBeat的AR81專為滿足 Galileo(歐洲GNSS衛星和導航系統)的要求而設計。AR81是一款1U、19英寸機架安裝單元,具有超高穩定性和超低相位噪聲銣頻率標準。該裝置有六個10MHz輸出和兩個冗余電源。AccuBeat的AR81是伽利略地面設備不可分割的一部分,因為項目的初始階段。
空中客車防務與航天公司展示了將于2022年前往木星的JUICE(木星冰月探索者)航天器。它的主要任務是探索這顆巨大行星的三個最大的冰衛星,以期確定這些矮行星上是否可能存在生命。這些實驗將在AccuBeat的USO的幫助下進行。
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此文關鍵字:
誠征下列地區 晶振 | 石英晶振 | 圓柱晶振 | 貼片晶振 | 陶瓷晶振 | 石英晶體諧振器 | 頻率元件 的合作伙伴:
深圳市 廣州市 北京 上海 東莞 佛山 中山 順德 珠海 杭州 溫州 武漢 長沙 南京 大連 長春 西安 鄭州 澳門 沈陽 南寧 昆明 濟南 重慶 成都
聲表面濾波器,石英晶體,石英晶振,貼片晶振,陶瓷晶振,陶瓷濾波器,陶瓷霧化片,KDS晶振,SEIKO晶振,村田陶瓷諧振器,西鐵城晶振,愛普生晶振,石英晶體振蕩器,臺灣晶振,泰藝晶振,加高晶振,日本京瓷晶振,RIVWR晶振,大河晶振,VCXO壓控振蕩器,TCXO溫補振蕩器,VC-TCXO振蕩器
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