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Channel Selection, Data Simulation, and Parameter Inversion of Ground-Based Hyperspectral Microwave Radiometer
المؤلفون المشاركون
Wang, Rui
Wang, Yuxun
Yan, Wei
Lu, Wen
Ma, Shuo
Zhao, Xianbin
Gu, Chengming
المصدر
Mathematical Problems in Engineering
العدد
المجلد 2019، العدد 2019 (31 ديسمبر/كانون الأول 2019)، ص ص. 1-10، 10ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2019-06-25
دولة النشر
مصر
عدد الصفحات
10
التخصصات الرئيسية
الملخص EN
To make up for the deficiency in the accuracy of temperature profile observation of existing ground-based microwave radiometers, the application of hyperspectral techniques to the microwave band was attempted.
To develop a ground-based hyperspectral microwave radiometer, we must first select the detection channel.
According to the degrees of signal freedom (DFS) based on information content of atmospheric temperature, the current study selected 200 channels containing 80% of the information to be selected from 343 candidate channels with oxygen absorption bands of 50~70 GHz, 110~130 GHz, and 415~435 GHz.
At the same time, a sensitivity analysis was performed on DFS, in which the variation of background field errors had less influence on the channel selection, but the variation of observation errors significantly affected the information content of the channel.
In 2015, the BP neural network method was used to simulate the atmospheric temperature profile environment in Kunming and compare it with seven temperature detection channels selected from the currently used microwave radiometer RPG~HATPR0~G3.
The inversion results indicate the following: (1) Selecting the channel with 80% information content does not reduce the inversion accuracy of the temperature profile.
(2) The 200 channels selected are relative to the 7 channels of RPG~HATPR0~G3.
The accuracy of inversion is increased by 0.5 K at the height of 0~8 km and increased by 0.5~1.2 K in the range of 8~10 km.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Wang, Rui& Wang, Yuxun& Yan, Wei& Lu, Wen& Ma, Shuo& Zhao, Xianbin…[et al.]. 2019. Channel Selection, Data Simulation, and Parameter Inversion of Ground-Based Hyperspectral Microwave Radiometer. Mathematical Problems in Engineering،Vol. 2019, no. 2019, pp.1-10.
https://search.emarefa.net/detail/BIM-1195788
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Wang, Rui…[et al.]. Channel Selection, Data Simulation, and Parameter Inversion of Ground-Based Hyperspectral Microwave Radiometer. Mathematical Problems in Engineering No. 2019 (2019), pp.1-10.
https://search.emarefa.net/detail/BIM-1195788
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Wang, Rui& Wang, Yuxun& Yan, Wei& Lu, Wen& Ma, Shuo& Zhao, Xianbin…[et al.]. Channel Selection, Data Simulation, and Parameter Inversion of Ground-Based Hyperspectral Microwave Radiometer. Mathematical Problems in Engineering. 2019. Vol. 2019, no. 2019, pp.1-10.
https://search.emarefa.net/detail/BIM-1195788
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1195788
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
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