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Jurusan Teknik Geomatika
Fakultas Teknik Sipil dan Perencanaan
Institut Teknologi Sepuluh Nopember
Surabaya
2015
Perataan Pengukuran GPS
Dosen: Mokhammad Nur Cahyadi, ST., M.Sc., Ph.D
Oleh
Muhammad Irsyadi Firdaus
3512100015
GNSS Kelas B
 Titik rektorat sebagai titik acuan
Koordinat
Latitude 7°16'55.13161"S
Longitude 112°47'38.90958"E
Ell. Height (m) 32.081
Koordinat geosentrik
X -2451240.015
Y 5832939.015
Z -803081.015
 Titik despro
Koordinat
Latitude 7°16'39.90408"S
Longitude 112°47'48.75810"E
Ell. Height (m) 33.087
A
B
C
 Titik rektorat sebagai titik acuan
Koordinat
Latitude 7°16'55.13161"S
Longitude 112°47'38.90958"E
Ell. Height (m) 32.081
Koordinat geosentrik
X -2451240.015
Y 5832939.015
Z -803081.015
 Titik despro
Koordinat
Latitude 7°16'39.90408"S
Longitude 112°47'48.75810"E
Ell. Height (m) 33.087
A
B
C
 Titik rektorat sebagai titik acuan
Koordinat
Latitude 7°16'55.13161"S
Longitude 112°47'38.90958"E
Ell. Height (m) 32.081
Koordinat geosentrik
X -2451240.015
Y 5832939.015
Z -803081.015
 Titik despro
Koordinat
Latitude 7°16'39.90408"S
Longitude 112°47'48.75810"E
Ell. Height (m) 33.087
A
B
C
 Titik lppm
Koordinat
Latitude 7°16'51.09536"S
Longitude 112°47'45.40176"E
Ell. Height (m) 32.714
 Baseline despro - lppm
dx (m) 111.934
dy (m) -0.609
dz (m) -340.980
azimuth (derajat) 196°40'15.2325"
elevation angel -0°03'40.3039"
distance (m) 358.883
dn (m) -343.415
de (m) -104.329
dht (m) -0.373
Covarian matrix
Sigma X (m) 0.006
Sigma Y (m) 0.011
Sigma Z (m) 0.005
Corr XY -0.7346
Corr XZ 0.4906
Corr YZ -0.5621
 Baseline rektorat - lppm
dx (m) 189.427
dy (m) 62.679
dz (m) -122.923
azimuth (derajat) 16˚40'15,8358''
elevation angel 0°01'22.9905"
distance (m) 234.353
dn (m) -123.129
de (m) -199.423
dht (m) 0.099
Covarian matrix
Sigma X (m) 0.004
Sigma Y (m) 0.010
Sigma Z (m) 0.005
Corr XY -0.7928
Corr XZ 0.7253
Corr YZ -0.9036
 Baseline rektorat - despro
dx (m) 301.319
dy (m) 62.197
dz (m) -463.895
azimuth (derajat) 212°50'28.9972"
elevation angel -0°01'02.1387"
distance (m) 556.651
dn (m) -466.518
de (m) -303.762
dht (m) -0.143
Covarian matrix
Sigma X (m) 0.005
Sigma Y (m) 0.013
Sigma Z (m) 0.003
Corr XY -0.5062
Corr XZ 0.0994
Corr YZ -0.4048
Dari data yang diperoleh diatas, maka parameter yang akan dicari adalah :
XB, YB, ZB, XC, YC, ZC
Maka akan diperoleh sembilan (9) persamaan V + AX = F
1) = −
+ = −
− = − −
− = 2451240.015 + 301.319
−
= 2451541.334
2) = −
+ = −
− = − −
− = −5832939.015 + 62.197
− = −5832876.818
3) = −
+ = −
− = − −
− = 803081.015 + 463.895
− = 803544.91
4) = −
+ = −
− = − −
− = 2451240.015 − 189.427
− = 2451050.588
5) = −
+ = −
− = − −
− = −5832939.015 − 62.679
− = −5833001.694
6) = −
+ = −
− = − −
− = 803081.015 + 122.923
− = 803203.938
7) = −
+ = −
+ − = −
+ − = −111.934
8) = −
+ = −
+ − = −
+ − = 0.609
9) = −
+ = −
+ − = −
+ − = 340.980
Dari persamaan yang diperoleh diatas maka dapat dilakukan desain
matriksnya yaitu :
Dari persamaan tersebut, kita dapat menghitung X, menggunakan persamaaan berikut ini:
Dengan matrik berat sebagai berikut.
Nilai Matriks X ialah
-2451068.895
5832995.645
-803381.165
-2450978.487
5833054.276
-803237.002
V1
V2
V3
V4
V5
V6
V7
V8
V9
0 0 0 -1 0 0
0 0 0 0 -1 0
0 0 0 0 0 -1
-1 0 0 0 0 0
0 -1 0 0 0 0
0 0 -1 0 0 0
1 0 0 -1 0 0
0 1 0 0 -1 0
0 0 1 0 0 -1
2451541.334
−5832876.818
803544.91
2451050.588
−5833001.694
803203.938
−111.934
0.609
340.980
Xb
Yb
Zb
Xc
Yc
Zc
200 -1.975 10.060 0 0 0 0 0 0
-1.975 76.923 -2.470 0 0 0 0 0 0
10.060 -2.470 333.333 0 0 0 0 0 0
0 0 0 250 -1.261 1.378 0 0 0
0 0 0 -1.261 100 -1.106 0 0 0
0 0 0 1.378 -1.106 200 0 0 0
0 0 0 0 0 0 166.666 -1.361 2.038
0 0 0 0 0 0 -1.361 90.909 -1.779
0 0 0 0 0 0 2.038 -1.779 200
+
=
Dari persamaan yang diperoleh diatas maka dapat dilakukan desain
matriksnya yaitu :
Dari persamaan tersebut, kita dapat menghitung X, menggunakan persamaaan berikut ini:
Dengan matrik berat sebagai berikut.
Nilai Matriks X ialah
-2451068.895
5832995.645
-803381.165
-2450978.487
5833054.276
-803237.002
V1
V2
V3
V4
V5
V6
V7
V8
V9
0 0 0 -1 0 0
0 0 0 0 -1 0
0 0 0 0 0 -1
-1 0 0 0 0 0
0 -1 0 0 0 0
0 0 -1 0 0 0
1 0 0 -1 0 0
0 1 0 0 -1 0
0 0 1 0 0 -1
2451541.334
−5832876.818
803544.91
2451050.588
−5833001.694
803203.938
−111.934
0.609
340.980
Xb
Yb
Zb
Xc
Yc
Zc
200 -1.975 10.060 0 0 0 0 0 0
-1.975 76.923 -2.470 0 0 0 0 0 0
10.060 -2.470 333.333 0 0 0 0 0 0
0 0 0 250 -1.261 1.378 0 0 0
0 0 0 -1.261 100 -1.106 0 0 0
0 0 0 1.378 -1.106 200 0 0 0
0 0 0 0 0 0 166.666 -1.361 2.038
0 0 0 0 0 0 -1.361 90.909 -1.779
0 0 0 0 0 0 2.038 -1.779 200
+
=
Dari persamaan yang diperoleh diatas maka dapat dilakukan desain
matriksnya yaitu :
Dari persamaan tersebut, kita dapat menghitung X, menggunakan persamaaan berikut ini:
Dengan matrik berat sebagai berikut.
Nilai Matriks X ialah
-2451068.895
5832995.645
-803381.165
-2450978.487
5833054.276
-803237.002
V1
V2
V3
V4
V5
V6
V7
V8
V9
0 0 0 -1 0 0
0 0 0 0 -1 0
0 0 0 0 0 -1
-1 0 0 0 0 0
0 -1 0 0 0 0
0 0 -1 0 0 0
1 0 0 -1 0 0
0 1 0 0 -1 0
0 0 1 0 0 -1
2451541.334
−5832876.818
803544.91
2451050.588
−5833001.694
803203.938
−111.934
0.609
340.980
Xb
Yb
Zb
Xc
Yc
Zc
200 -1.975 10.060 0 0 0 0 0 0
-1.975 76.923 -2.470 0 0 0 0 0 0
10.060 -2.470 333.333 0 0 0 0 0 0
0 0 0 250 -1.261 1.378 0 0 0
0 0 0 -1.261 100 -1.106 0 0 0
0 0 0 1.378 -1.106 200 0 0 0
0 0 0 0 0 0 166.666 -1.361 2.038
0 0 0 0 0 0 -1.361 90.909 -1.779
0 0 0 0 0 0 2.038 -1.779 200
+
=
4.2 Kontrol Kualitas
Dari data tersebut, kita dapat menghitung variansi nol dari ukuran:
=
−
Pada rumus diatas, n = baris, u = kolom. Dari persamaan sebelumnya V + AX = F,
maka V = F – AX
=
−
=
219122.484424167
9 − 6
= 73040.8281413888
= ( )
= ( )
-2451068.895
5832995.645
-803381.165
-2450978.487
5833054.276
-803237.002
2451541.334
−5832876.818
803544.91
2451050.588
−5833001.694
803203.938
−111.934
0.609
340.980
V =
0 0 0 -1 0 0
0 0 0 0 -1 0
0 0 0 0 0 -1
-1 0 0 0 0 0
0 -1 0 0 0 0
0 0 -1 0 0 0
1 0 0 -1 0 0
0 1 0 0 -1 0
0 0 1 0 0 -1
_
-
-
V =
130.199329189491
5.56653717998415
-163.744108559215
99.0195721540116
4.04810138465464
-267.086553490653
-149.59309865674
-3.3273614346981
267.92133795016
220.666 0 0 156.035 0 0
0 220.666 0 0 156.035 0
0 0 220.666 0 0 156.035
156.035 0 0 220.666 0 0
0 156.035 0 0 220.666 0
0 0 156.035 0 0 220.666
σx =

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Adjustment GPS

  • 1. Jurusan Teknik Geomatika Fakultas Teknik Sipil dan Perencanaan Institut Teknologi Sepuluh Nopember Surabaya 2015 Perataan Pengukuran GPS Dosen: Mokhammad Nur Cahyadi, ST., M.Sc., Ph.D Oleh Muhammad Irsyadi Firdaus 3512100015 GNSS Kelas B
  • 2.  Titik rektorat sebagai titik acuan Koordinat Latitude 7°16'55.13161"S Longitude 112°47'38.90958"E Ell. Height (m) 32.081 Koordinat geosentrik X -2451240.015 Y 5832939.015 Z -803081.015  Titik despro Koordinat Latitude 7°16'39.90408"S Longitude 112°47'48.75810"E Ell. Height (m) 33.087 A B C  Titik rektorat sebagai titik acuan Koordinat Latitude 7°16'55.13161"S Longitude 112°47'38.90958"E Ell. Height (m) 32.081 Koordinat geosentrik X -2451240.015 Y 5832939.015 Z -803081.015  Titik despro Koordinat Latitude 7°16'39.90408"S Longitude 112°47'48.75810"E Ell. Height (m) 33.087 A B C  Titik rektorat sebagai titik acuan Koordinat Latitude 7°16'55.13161"S Longitude 112°47'38.90958"E Ell. Height (m) 32.081 Koordinat geosentrik X -2451240.015 Y 5832939.015 Z -803081.015  Titik despro Koordinat Latitude 7°16'39.90408"S Longitude 112°47'48.75810"E Ell. Height (m) 33.087 A B C
  • 3.  Titik lppm Koordinat Latitude 7°16'51.09536"S Longitude 112°47'45.40176"E Ell. Height (m) 32.714  Baseline despro - lppm dx (m) 111.934 dy (m) -0.609 dz (m) -340.980 azimuth (derajat) 196°40'15.2325" elevation angel -0°03'40.3039" distance (m) 358.883 dn (m) -343.415 de (m) -104.329 dht (m) -0.373 Covarian matrix Sigma X (m) 0.006 Sigma Y (m) 0.011 Sigma Z (m) 0.005 Corr XY -0.7346 Corr XZ 0.4906 Corr YZ -0.5621  Baseline rektorat - lppm dx (m) 189.427 dy (m) 62.679 dz (m) -122.923 azimuth (derajat) 16˚40'15,8358'' elevation angel 0°01'22.9905" distance (m) 234.353 dn (m) -123.129 de (m) -199.423 dht (m) 0.099
  • 4. Covarian matrix Sigma X (m) 0.004 Sigma Y (m) 0.010 Sigma Z (m) 0.005 Corr XY -0.7928 Corr XZ 0.7253 Corr YZ -0.9036  Baseline rektorat - despro dx (m) 301.319 dy (m) 62.197 dz (m) -463.895 azimuth (derajat) 212°50'28.9972" elevation angel -0°01'02.1387" distance (m) 556.651 dn (m) -466.518 de (m) -303.762 dht (m) -0.143 Covarian matrix Sigma X (m) 0.005 Sigma Y (m) 0.013 Sigma Z (m) 0.003 Corr XY -0.5062 Corr XZ 0.0994 Corr YZ -0.4048 Dari data yang diperoleh diatas, maka parameter yang akan dicari adalah : XB, YB, ZB, XC, YC, ZC Maka akan diperoleh sembilan (9) persamaan V + AX = F 1) = − + = − − = − − − = 2451240.015 + 301.319 − = 2451541.334 2) = − + = − − = − − − = −5832939.015 + 62.197 − = −5832876.818 3) = −
  • 5. + = − − = − − − = 803081.015 + 463.895 − = 803544.91 4) = − + = − − = − − − = 2451240.015 − 189.427 − = 2451050.588 5) = − + = − − = − − − = −5832939.015 − 62.679 − = −5833001.694 6) = − + = − − = − − − = 803081.015 + 122.923 − = 803203.938 7) = − + = − + − = − + − = −111.934 8) = − + = − + − = − + − = 0.609 9) = − + = − + − = − + − = 340.980
  • 6. Dari persamaan yang diperoleh diatas maka dapat dilakukan desain matriksnya yaitu : Dari persamaan tersebut, kita dapat menghitung X, menggunakan persamaaan berikut ini: Dengan matrik berat sebagai berikut. Nilai Matriks X ialah -2451068.895 5832995.645 -803381.165 -2450978.487 5833054.276 -803237.002 V1 V2 V3 V4 V5 V6 V7 V8 V9 0 0 0 -1 0 0 0 0 0 0 -1 0 0 0 0 0 0 -1 -1 0 0 0 0 0 0 -1 0 0 0 0 0 0 -1 0 0 0 1 0 0 -1 0 0 0 1 0 0 -1 0 0 0 1 0 0 -1 2451541.334 −5832876.818 803544.91 2451050.588 −5833001.694 803203.938 −111.934 0.609 340.980 Xb Yb Zb Xc Yc Zc 200 -1.975 10.060 0 0 0 0 0 0 -1.975 76.923 -2.470 0 0 0 0 0 0 10.060 -2.470 333.333 0 0 0 0 0 0 0 0 0 250 -1.261 1.378 0 0 0 0 0 0 -1.261 100 -1.106 0 0 0 0 0 0 1.378 -1.106 200 0 0 0 0 0 0 0 0 0 166.666 -1.361 2.038 0 0 0 0 0 0 -1.361 90.909 -1.779 0 0 0 0 0 0 2.038 -1.779 200 + = Dari persamaan yang diperoleh diatas maka dapat dilakukan desain matriksnya yaitu : Dari persamaan tersebut, kita dapat menghitung X, menggunakan persamaaan berikut ini: Dengan matrik berat sebagai berikut. Nilai Matriks X ialah -2451068.895 5832995.645 -803381.165 -2450978.487 5833054.276 -803237.002 V1 V2 V3 V4 V5 V6 V7 V8 V9 0 0 0 -1 0 0 0 0 0 0 -1 0 0 0 0 0 0 -1 -1 0 0 0 0 0 0 -1 0 0 0 0 0 0 -1 0 0 0 1 0 0 -1 0 0 0 1 0 0 -1 0 0 0 1 0 0 -1 2451541.334 −5832876.818 803544.91 2451050.588 −5833001.694 803203.938 −111.934 0.609 340.980 Xb Yb Zb Xc Yc Zc 200 -1.975 10.060 0 0 0 0 0 0 -1.975 76.923 -2.470 0 0 0 0 0 0 10.060 -2.470 333.333 0 0 0 0 0 0 0 0 0 250 -1.261 1.378 0 0 0 0 0 0 -1.261 100 -1.106 0 0 0 0 0 0 1.378 -1.106 200 0 0 0 0 0 0 0 0 0 166.666 -1.361 2.038 0 0 0 0 0 0 -1.361 90.909 -1.779 0 0 0 0 0 0 2.038 -1.779 200 + = Dari persamaan yang diperoleh diatas maka dapat dilakukan desain matriksnya yaitu : Dari persamaan tersebut, kita dapat menghitung X, menggunakan persamaaan berikut ini: Dengan matrik berat sebagai berikut. Nilai Matriks X ialah -2451068.895 5832995.645 -803381.165 -2450978.487 5833054.276 -803237.002 V1 V2 V3 V4 V5 V6 V7 V8 V9 0 0 0 -1 0 0 0 0 0 0 -1 0 0 0 0 0 0 -1 -1 0 0 0 0 0 0 -1 0 0 0 0 0 0 -1 0 0 0 1 0 0 -1 0 0 0 1 0 0 -1 0 0 0 1 0 0 -1 2451541.334 −5832876.818 803544.91 2451050.588 −5833001.694 803203.938 −111.934 0.609 340.980 Xb Yb Zb Xc Yc Zc 200 -1.975 10.060 0 0 0 0 0 0 -1.975 76.923 -2.470 0 0 0 0 0 0 10.060 -2.470 333.333 0 0 0 0 0 0 0 0 0 250 -1.261 1.378 0 0 0 0 0 0 -1.261 100 -1.106 0 0 0 0 0 0 1.378 -1.106 200 0 0 0 0 0 0 0 0 0 166.666 -1.361 2.038 0 0 0 0 0 0 -1.361 90.909 -1.779 0 0 0 0 0 0 2.038 -1.779 200 + =
  • 7. 4.2 Kontrol Kualitas Dari data tersebut, kita dapat menghitung variansi nol dari ukuran: = − Pada rumus diatas, n = baris, u = kolom. Dari persamaan sebelumnya V + AX = F, maka V = F – AX = − = 219122.484424167 9 − 6 = 73040.8281413888 = ( ) = ( ) -2451068.895 5832995.645 -803381.165 -2450978.487 5833054.276 -803237.002 2451541.334 −5832876.818 803544.91 2451050.588 −5833001.694 803203.938 −111.934 0.609 340.980 V = 0 0 0 -1 0 0 0 0 0 0 -1 0 0 0 0 0 0 -1 -1 0 0 0 0 0 0 -1 0 0 0 0 0 0 -1 0 0 0 1 0 0 -1 0 0 0 1 0 0 -1 0 0 0 1 0 0 -1 _ - - V = 130.199329189491 5.56653717998415 -163.744108559215 99.0195721540116 4.04810138465464 -267.086553490653 -149.59309865674 -3.3273614346981 267.92133795016 220.666 0 0 156.035 0 0 0 220.666 0 0 156.035 0 0 0 220.666 0 0 156.035 156.035 0 0 220.666 0 0 0 156.035 0 0 220.666 0 0 0 156.035 0 0 220.666 σx =