Comparing the result of cycle slip detection in GNSS data by a few defferent methods
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Affiliations:
1 Trường Đại học Mỏ - Địa chất;
2 Công ty TNHH MTV Trắc địa bản đồ
- Received: 3rd-Dec-2014
- Revised: 17th-Jan-2015
- Accepted: 30th-Jan-2015
- Online: 30th-Jan-2015
- Section: Geomatics and Land Administration
Abstract:
Cycle slip is a common error source in GNSS’s carrier phase measurements. Detecting and repairing cycle slip is a extremely important and difficult step in GNSS pre-processing. All GNSS software have to implement it before processing baselines. In this article, we introduce a few algorithms to detect cycle slip in case of using single GNSS reiceiver.The experimental results show that, the phase-code comparison method can only detect cycle slip when it occurred in higher level (a few dozen cycles), the phase – phase ionospheric residual method has possibility to detect cycle slip with lower level (a few cylces). Depending on specific circumtances, we can use different algorithms to detect cycle slip
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