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Analysis of Attitude Determination Methods Using GPS Carrier Phase Measurements
المؤلفون المشاركون
Baroni, Leandro
Kuga, Hélio Koiti
المصدر
Mathematical Problems in Engineering
العدد
المجلد 2012، العدد 2012 (31 ديسمبر/كانون الأول 2012)، ص ص. 1-10، 10ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2012-02-19
دولة النشر
مصر
عدد الصفحات
10
التخصصات الرئيسية
الملخص EN
If three or more GPS antennas are mounted properly on a platform and differences of GPS signals measurements are collected simultaneously, the baselines vectors between antennas can be determined and the platform orientation defined by these vectors can be calculated.
Thus, the prerequisite for attitude determination technique based on GPS is to calculate baselines between antennas to millimeter level of accuracy.
For accurate attitude solutions to be attained, carrier phase double differences are used as main type of measurements.
The use of carrier phase measurements leads to the problem of precise determination of the ambiguous integer number of cycles in the initial carrier phase (integer ambiguity).
In this work two algorithms (LSAST and LAMBDA) were implemented and tested for ambiguity resolution allowing accurate real-time attitude determination using measurements given by GPS receivers in coupled form.
Platform orientation was obtained using quaternions formulation, and the results showed that LSAST method performance is similar to LAMBDA as far as the number of epochs which are necessary to resolve ambiguities is concerned, but with processing time significantly higher.
The final result accuracy was similar for both methods, better than 0.1° to 0.2°, when baselines are considered in decoupled form.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Baroni, Leandro& Kuga, Hélio Koiti. 2012. Analysis of Attitude Determination Methods Using GPS Carrier Phase Measurements. Mathematical Problems in Engineering،Vol. 2012, no. 2012, pp.1-10.
https://search.emarefa.net/detail/BIM-1001740
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Baroni, Leandro& Kuga, Hélio Koiti. Analysis of Attitude Determination Methods Using GPS Carrier Phase Measurements. Mathematical Problems in Engineering No. 2012 (2012), pp.1-10.
https://search.emarefa.net/detail/BIM-1001740
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Baroni, Leandro& Kuga, Hélio Koiti. Analysis of Attitude Determination Methods Using GPS Carrier Phase Measurements. Mathematical Problems in Engineering. 2012. Vol. 2012, no. 2012, pp.1-10.
https://search.emarefa.net/detail/BIM-1001740
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1001740
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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