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面向星載海洋鹽度探測應用的L波段綜合孔徑輻射計原理樣機研制與試驗研究

牛立杰,  劉浩,  武林,  張成,  趙鑫,  吳季,  殷曉斌

牛立杰, 劉浩, 武林, 張成, 趙鑫, 吳季, 殷曉斌. 面向星載海洋鹽度探測應用的L波段綜合孔徑輻射計原理樣機研制與試驗研究[J]. 電子與信息學報, 2017, 39(8): 1841-1847. doi: 10.11999/JEIT161233
引用本文: 牛立杰, 劉浩, 武林, 張成, 趙鑫, 吳季, 殷曉斌. 面向星載海洋鹽度探測應用的L波段綜合孔徑輻射計原理樣機研制與試驗研究[J]. 電子與信息學報, 2017, 39(8): 1841-1847. doi: 10.11999/JEIT161233
NIU Lijie, LIU Hao, WU Lin, ZHANG Cheng, ZHAO Xin, WU Ji, YIN Xiaobin. Development and Experimental Study on L-band Synthetic Aperture Radiometer Prototype for Ocean Salinity Measurement[J]. Journal of Electronics & Information Technology, 2017, 39(8): 1841-1847. doi: 10.11999/JEIT161233
Citation: NIU Lijie, LIU Hao, WU Lin, ZHANG Cheng, ZHAO Xin, WU Ji, YIN Xiaobin. Development and Experimental Study on L-band Synthetic Aperture Radiometer Prototype for Ocean Salinity Measurement[J]. Journal of Electronics & Information Technology, 2017, 39(8): 1841-1847. doi: 10.11999/JEIT161233

面向星載海洋鹽度探測應用的L波段綜合孔徑輻射計原理樣機研制與試驗研究

doi: 10.11999/JEIT161233
  • 2.

    (中國科學院國家空間科學中心微波遙感重點實驗室 北京 100190) ②(中國科學院大學 北京 100049)

Development and Experimental Study on L-band Synthetic Aperture Radiometer Prototype for Ocean Salinity Measurement

  • 2.

    (Key Laboratory of Microwave Remote Sensing, National Space Science Center, Chinese Academy of Sciences, Beijing 100190, China)

  • 摘要: 主被動聯(lián)合微波成像儀(MICAP)是面向全球星載海洋鹽度探測應用提出的一種新技術方案，由L, C, K頻段輻射計及L波段散射計組成。其中L波段1維綜合孔徑輻射計是MICAP的核心，用以實現(xiàn)海洋鹽度高精度觀測。為了驗證MICAP概念和性能，研制了一臺地面原理樣機并進行了試驗研究。該文介紹了MICAP樣機的L波段綜合孔徑輻射計子系統(tǒng)的研究與試驗結果。首次推導了一種使用三階量化均值對數(shù)字相關到模擬相關轉(zhuǎn)換中的AD偏置誤差進行校正的計算方法。該文的研究成果將為海洋鹽度衛(wèi)星MICAP及全球水循環(huán)衛(wèi)星WCOM提供技術參考。
    Abstract: Microwave Imager Combined Active and Passive (MICAP) is a new ocean salinity measure. The imager is composed of L, C, and K band radiometers and an L band scattermeter. The L band one dimensional synthetic aperture radiometer is a key part of MICAP, which is used to realize the high precision measurement of the ocean salinity. In order to demonstrate the concept and performance of MICAP, a ground-based prototype is developed and experiments are carried out. This paper introduces the development and experimental results of the L band synthetic aperture radiometer in the MICAP prototype. For the first time, a method is proposed to correct the AD offset error of digital to analog correlation conversion by using the three level quantization means. These experimental studies provide technical preparation for both the future Chinese ocean salinity mission and the global water cycle observation mission.
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出版歷程
  • 收稿日期:  2016-11-14
  • 修回日期:  2017-03-27
  • 刊出日期:  2017-08-19

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