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M. ROBBY AFANDI
Jurusan Teknik Geodesi, Fakultas Teknik Sipil dan Perencanaan Institut Teknologi Nasional Bandung

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Perbandingan Hasil Pengolahan Data GPS Menggunakan Hitung Perataan Secara Simultan dan Secara Bertahap RUDIANTO, BAMBANG; -, RINALDY; AFANDI, M. ROBBY
REKA GEOMATIKA Vol 1, No 2 (2013)
Publisher : Institut Teknologi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/jrg.v1i2.490

Abstract

ABSTRAKSecara teknis operasional, hitung perataan jaring data hasil survei GPS dapat dilakukan melalui dua cara yaitu: secara simultan dan secara bertahap. Perataan secara simultan dilakukan dengan cara meratakan vektor jarak 3 dimensi (Δx, Δy, Δh) secara serentak. Perataan secara bertahap dilakukan dengan cara meratakan vektor jarak 2 dimensi (Δx, Δy) dan data vektor tinggi (Δh) secara terpisah. Berdasarkan penelitian yang dilakukan, diperoleh bahwa ketelitian rata-rata posisi horisontal dari hitung perataan secara simultan dan bertahap pada kasus jaring kuadrilateral relatif sama, namun untuk ketelitian posisi vertikal memberikan hasil yang berbeda. Ketelitian rata-rata posisi vertikal yang dihasilkan dari hitung perataan secara bertahap lebih teliti dibandingkan dengan hitung perataan secara simultan.Kata kunci : Perataan jaring GPS, hitung perataan secara simultan, hitung perataan secara bertahap, vektor jarak, ketelitian posisi horisontal, ketelitian posisi vertikalABSTRACTTechnically, network adjustment computations of GPS survey data can be done in two ways: adjustment computations by simultaneous and iteration. Adjustment computations by simultaneous is done by adjust of distance vector 3-dimensional (Δx, Δy, Δz) simultaneously. Adjustment computations by iteration is done by adjust of distance vector two dimensional (Δx, Δy) and high vector data (Δh) separately. Based on the research, obtained an average accuracy of horizontal position by means simultaneous and iteration are relatively same in case kuadrilateral nets, but for the vertical position accuracy is different. Accuracy of average vertical position which is derived from adjustment computations by iteration more accurate than adjustment computations by simultaneous.Keywords: GPS network adjustment, adjustment computations by simultaneous, adjustment by iteration, vector distance, horizontal position, vertical position accuracy