Zamansal Baz Uzunluğunun İleri Nesil Yapay Açıklı Radar Uydu Verilerinin Konum Doğruluğu Üzerindeki Etki Analizi

Umut Güneş SEFERCİK

Makale detayları

Zamansal Baz Uzunluğunun İleri Nesil Yapay Açıklı Radar Uydu Verilerinin Konum Doğruluğu Üzerindeki Etki Analizi

Yazarlar:

Umut Güneş SEFERCİK

Yayıncı:

Cukurova University

Dergi:

Çukurova Üniversitesi Mühendislik-Mimarlık Fakültesi Dergisi 2018 Vol.33 Issue 2, pp.165-176

Belge Tipi:

Makale

Yayın Tarihi:

6/2018

Belge Dili:

Türkçe

Document ID (Org No.):

2000741065

Sıklık:

Üç Aylık

pISSN:

2757-9255

Özet:

 


In this study, the effect of temporal baseline on the geolocation accuracy of digital surface models (DSM) derived from TerraSAR-X (TSX) which is the leader of next generation synthetic aperture radar (SAR) missions was throughly analyzed. The temporal baseline, obtained by two different passes of the satellites from the same region, is one of the most effective interferometric parameters on the final DSM quality. In the study, to assess the influence of this parameter on generated TSX DSMs’ quality, the comparisonbased analysis of two interferometric SAR (InSAR) image pairs which have the minimum repeat-cycle (11 days) and 17 cycles (187 days) were performed. In the analysis, to demonstrate the effect of temporal baseline clearly, the InSAR-pairs which have same parameters except temporal baseline were preferred. The applications were realized over 20 km2 in Berlin, Germany utilizing 15 descending orbit high resolution spotlight mode TSX imagery. The DSMs were generated in 2 m grid spacing and the vertical absolute accuracies were achieved by model-to-model based comparison with a radargrammetric reference DSM which have also 2 m original grid spacing. The analysis were performed separately for urban and forest areas. The results demonstrated that the influence of temporal baseline on the DSM quality is much more than expected. The DSM derived from first InSAR-pair (1 cycle) has 20% better vertical absolute accuracy both for urban and forest land forms in comparison with the InSAR-pair which has longer temporal baseline (17 cycles).

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Makale detayları

Zamansal Baz Uzunluğunun İleri Nesil Yapay Açıklı Radar Uydu Verilerinin Konum Doğruluğu Üzerindeki Etki Analizi

Yazarlar: Umut Güneş SEFERCİK

Yayıncı: Cukurova University

Dergi: Çukurova Üniversitesi Mühendislik-Mimarlık Fakültesi Dergisi 2018 Vol.33 Issue 2, pp.165-176

Belge Tipi: Makale

Yayın Tarihi: 6/2018

Belge Dili: Türkçe

Document ID (Org No.): 2000741065

Sıklık: Üç Aylık

pISSN: 2757-9255

Sayı

Yazarlar:

Umut Güneş SEFERCİK

Yayıncı:

Cukurova University

Dergi:

Çukurova Üniversitesi Mühendislik-Mimarlık Fakültesi Dergisi 2018 Vol.33 Issue 2, pp.165-176

Belge Tipi:

Makale

Yayın Tarihi:

6/2018

Belge Dili:

Türkçe

Document ID (Org No.):

2000741065

Sıklık:

Üç Aylık

pISSN:

2757-9255