GNSS网平差报告.docx
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GNSS网平差报告
104国道连江至晋安段改线工程
GNSS网平差结果
施工单位:
中国建筑股份有限公司
负责人:
张洲
观测日期:
2015年04月30日~2015年05月04日
1.GNSS网图1
2.基线简表(参与平差计算基线)
双差固定解
方差比
水平分量/m
垂直分量/m
中误差
长度
相对中误差
11-1--14-1
89.4
0.015
0.009
0.015
507.231
1/52368
19-1~19-2
99.9
0.006
0.003
0.006
446.016
1/89270
19-3-19-2
99.9
0.013
0.005
0.007
309.381
1/45350
19-3-19-1
99.58
0.008
0.003
0.008
512.3
1/63328
19-4-19-1
99.9
0.005
0.002
0.005
222.732
1/45668
19-3-19-4
99.9
0.007
0.003
0.007
370.547
1/51902
DD07-DD08
14.18
0.01
0.004
0.01
729.627
1/73276
DD07-DD09
10.59
0.011
0.005
0.011
628.373
1/55716
DD09-DD08
99.9
0.005
0.002
0.005
534.521
1/100355
DE03-DD32
32.12
0.007
0.003
0.007
813.829
1/115993
DE05-DE03
14.32
0.005
0.002
0.005
862.874
1/166503
DE05-DE07
38.95
0.007
0.003
0.007
771.952
1/116956
0005-DE38
8.81
0.016
0.009
0.016
667.721
1/46373
DE39-DE37
24.42
0.01
0.006
0.01
661.994
1/63839
DE39-DE38
75.78
0.008
0.004
0.008
481.803
1/62703
XJ04-DE38
34.48
0.01
0.004
0.01
597.16
1/61236
XJ04-DD32
10.27
0.014
0.006
0.014
710.797
1/50178
XJ05-DE38
36.05
0.011
0.005
0.011
873.623
1/76578
XJ05-DD32
64.6
0.009
0.004
0.009
357.755
1/41635
XJ06-DD32
99.9
0.007
0.003
0.007
325.711
1/47239
XJ06-DD32
99.9
0.005
0.002
0.005
325.711
1/63764
XJ04-XJ06
17.79
0.011
0.004
0.011
1004.613
1/95492
XJ06-XJ05
31.44
0.007
0.003
0.007
667.17
1/92325
XJ06-DE03
56.16
0.006
0.002
0.006
679.169
1/109362
XJ07-DD32
49.14
0.007
0.003
0.007
723.575
1/105648
XJ07-DE03
82.69
0.007
0.003
0.007
559.675
1/78838
XJ07-XJ06
78.07
0.006
0.003
0.006
411.469
1/74324
XJ07-DE05
19.96
0.007
0.003
0.007
761.663
1/102906
XJ08-DE03
42.93
0.005
0.002
0.005
759.556
1/158482
DE05-XJ08
33.44
0.008
0.003
0.008
397.931
1/46914
XJ08-DE05
99.9
0.007
0.003
0.007
397.931
1/59994
XJ07-XJ08
36.23
0.008
0.003
0.008
419.907
1/53466
XJ08-DE07
16.54
0.009
0.005
0.009
1077.167
1/118009
XJ09-DE05
28.1
0.007
0.003
0.007
609.485
1/93645
XJ09-XJ08
57.25
0.008
0.004
0.008
872.251
1/111485
DD07-XZ02
13.59
0.011
0.006
0.011
197.995
1/18074
双差固定解
方差比
水平分量/m
垂直分量/m
中误差
长度
相对中误差
XZ02-DD08
10.32
0.007
0.003
0.007
653.523
1/95064
XZ02-DD09
99.9
0.005
0.002
0.005
707.776
1/147783
11-1-XZ07
21.07
0.013
0.006
0.013
852.6
1/67834
DD07-XZ07
53.64
0.009
0.005
0.009
654.089
1/75160
XZ02-XZ07
19.27
0.013
0.007
0.013
734.418
1/57582
11-1-XZ09
99.9
0.008
0.004
0.008
776.429
1/99356
DD07-XZ09
16.77
0.011
0.006
0.011
954.482
1/86047
XZ02-XZ09
99.9
0.005
0.003
0.005
1012.403
1/188060
XZ11-14-1
26.99
0.016
0.009
0.016
832.003
1/51635
XZ11-XZ07
10.28
0.015
0.007
0.015
862.937
1/57453
XZ11-XZ09
11.9
0.011
0.005
0.011
649.482
1/60798
11-1-XZ14
89.13
0.013
0.007
0.013
865.6
1/67532
XZ11-XZ14
99.9
0.012
0.007
0.012
726.004
1/59923
XZ16-DE19
99.99
0.005
0.002
0.005
275.751
1/51325
XZ16-14-1
80.47
0.010
0.004
0.01
713.381
1/69286
XZ16-XZ14
24.72
0.014
0.005
0.014
731.735
1/50822
19-1-XZ18
15.61
0.013
0.005
0.013
756.431
1/59855
XZ181-19-4
10.75
0.012
0.004
0.012
964.68
1/82831
DE19-XZ18
99.9
0.008
0.005
0.008
435.576
1/51739
XZ16-XZ18
99.9
0.009
0.006
0.009
502.409
1/53911
19-1-XZ19
66.82
0.007
0.003
0.007
515.86
1/75937
XZ19-19-4
19.83
0.009
0.003
0.009
735.243
1/85703
XZ19-XZ18
62.53
0.006
0.002
0.006
278.717
1/45701
DE19-XZ19
21.6
0.011
0.007
0.011
705.954
1/61549
XZ16-XZ19
32.12
0.011
0.006
0.011
711.05
1/66566
XZ21-19-2
15.95
0.01
0.004
0.01
1650.746
1/157737
19-3-XZ21
19.08
0.009
0.004
0.009
1751.775
1/199280
XZ23-XZ21
15.82
0.017
0.008
0.017
230.276
1/13466
19-2-XZ23
14.8
0.008
0.004
0.008
1664.031
1/199861
19-3-XZ23
12.51
0.012
0.005
0.012
1724.568
1/148756
DE07-XZ24
13.43
0.013
0.006
0.013
895.863
1/69036
XJ09-XZ24
14.42
0.013
0.007
0.013
1103.361
1/87542
XZ21-XZ24
99.9
0.006
0.003
0.006
828.374
1/139507
XZ23-XZ24
10.65
0.019
0.009
0.019
845.932
1/45073
DE07-XZ25
22.75
0.013
0.006
0.013
956.171
1/74301
XJ09-XZ25
10.48
0.013
0.008
0.013
1136.52
1/84554
XZ25-XZ21
63.51
0.007
0.004
0.007
810.221
1/111528
XZ25-XZ23
12.77
0.016
0.007
0.016
895.615
1/57287
基线处理结果:
水平分量最大值为XZ23-XZ24基线,为19mm,小于《GPS测量规范》中规定值20mm,基线水平分量结果符合规范要求。
垂直分量最大值为XZ11-14-1和XZ23-XZ24基线,为9mm,小于《GPS测量规范》中规定值40mm,基线垂直分量结果符合规范要求。
边长中误差δ最大值为XZ23-XZ24基线,为19mm,小于《工程测量规范》中规定值:
=60.8mm,基线边长中误差符合规范要求。
边长相对中误差最大值为XZ23-XZ24基线,为1/45073,小于《GPS测量规范》中规定值1/45000,基线相对中误差符合规范要求。
3.使用环闭合差报告
报告中为剔除不参与平差的基线(包括自动剔除和人工剔除)后的基线组成的环的情况。
闭合环最大节点数:
3
闭合环总数:
113
同步环总数:
59
异步环总数:
54
超限闭合环数
0
闭合差最大值
0.0316
闭合差最小值
0.0005
相对闭合差最大值
16.88ppm
相对闭合差最小值
0.33ppm
4.三维自由网平差
WGS84坐标系下经典自由网平差平差结果。
三维自由网平差单位权中误差:
0.008682(米)
平差后Wgs84坐标和点位精度:
点名
X
Y
Z
X偏移mm
Y偏移mm
Z偏移mm
11-1(固定)
2823241.887
4989111.99
2786915.221
0
0
0
14-1
2823586.334
4988632.29
2787422.454
1.059
1.319
0.979
XZ07
2822667.145
4989634.637
2786563.882
1.16
1.608
0.944
DD07
2822682.617
4989948.178
2785990.069
1.584
2.212
1.408
XZ02
2822513.622
4990050.692
2785978.49
1.571
2.224
1.395
XZ09
2822591.519
4989529.939
2786843.193
1.089
1.514
0.895
XZ11
2822951.318
4989119.42
2787195.111
0.853
1.109
0.731
XZ14
2823283.929
4988670.161
2787658.379
1.096
1.351
1.007
XZ16
2823765.814
4988221.111
2787977.095
2.011
2.82
1.865
点名
X
Y
Z
X偏移mm
Y偏移mm
Z偏移mm
XZ18
2823758.021
4987976.68
2788415.966
2.244
3.146
2.212
XZ19
2823949.885
4987805.941
2788524.221
2.245
3.096
2.128
DE19
2823549.165
4988246.992
2788145.714
2.078
2.893
1.915
DD08
2822554.99
4990377.333
2785413.966
1.921
2.806
1.993
DD09
2822998
4990082.359
2785463.398
2.066
3.048
2.249
19-4
2824067.581
4987539.172
2788949.772
2.663
3.82
2.552
19-4
2824072.78
4987417.368
2789136.177
2.65
3.765
2.516
19-2
2824139.852
4987223.867
2789395.789
2.822
4.102
2.704
19-3
2824368.099
4987199.72
2789188.336
2.824
4.118
2.74
XZ21
2824619.287
4986244.465
2790635.093
3.014
4.438
2.92
XZ23
2824812.068
4986196.212
2790518.752
3.113
4.569
3.005
XZ24
2824911.123
4985742.024
2791225.507
3.178
4.657
3.027
XZ25
2824685.369
4985816.846
2791320.099
3.187
4.671
3.033
DE07
2825132.535
4985222.38
2791920.861
3.364
4.84
3.119
XJ09
2825101.994
4985126.8
2792121.315
3.939
4.944
3.147
DE05
2825465.278
4984747.146
2792430.119
3.582
5.047
3.313
XJ07
2825489.817
4984362.881
2793087.287
3.784
5.438
3.454
XJ08
2825343.618
4984615.466
2792785.378
3.583
5.05
3.319
DE03
2825980.468
4984209.454
2792866.024
3.901
5.732
3.621
XJ06
2825583.434
4984126.444
2793410.766
3.946
5.753
3.728
DD32
2825759.272
4983923.557
2793595.172
3.932
5.736
3.72
XJ04
2825832.829
4983555.012
2794198.492
4.109
5.914
3.923
XJ05
2825825.167
4983723.258
2793884.183
4.078
5.939
3.894
DE38
2826235.572
4983182.011
2794433.583
4.365
6.238
4.006
5
2826476.109
4982798.297
2794924.257
4.808
6.77
4.315
DE39
2826559.299
4982888.502
2794636.525
4.667
6.545
4.186
DE37
2826231.57
4983297.104
2794231.712
4.983
6.936
4.43
5.二维约束平差
当前坐标系统:
1980西安坐标系3度带
椭球长半径:
6378140.000000椭球扁率:
1/298.257
控制等级:
E级-2009
中央子午线:
120E
单位权中误差:
0.031771(米)
平差后坐标和点位精度
点名
X坐标
Y坐标
rms(mm)
dx(mm)
dy(mm)
11-1
2885698.847
450357.7826
1.3493
0.8345
1.0604
14-1
2886261.378
450895.9335
1.2076
0.8032
0.9018
XZ07
2885310.598
449598.7042
1.0414
0.614
0.8411
DD07(固定)
2884672.426
449455.347
0
0
0
XZ02
2884660.136
449257.7342
1.3709
0.8812
1.0501
XZ09
2885617.957
449585.6069
1.0406
0.6192
0.8364
XZ11
2886011.273
450102.4094
0.9897
0.6194
0.7719
XZ14
2886525.326
450615.0851
1.2213
0.8166
0.9082
XZ16
2886876.659
451256.9637
1.5408
1.0306
1.1455
XZ18
2887365.63
451372.4118
1.9652
1.3391
1.4384
XZ19
2887485.703
451623.9364
1.9419
1.3205
1.4239
DE19(固定)
2887065.878
451056.385
0
0
0
DD08
2884019.636
449130.4624
1.8468
1.2379
1.3705
DD09
2884078.977
449661.5198
1.9298
1.3193
1.4084
19-1
2887943.621
451859.4741
2.4084
1.6282
1.7747
19-4
2888156.284
451924.7903
2.3925
1.6183
1.7622
19-2
2888448.401
452079.5691
2.7019
1.8289
1.9888
19-3
2888221.104
452289.2574
2.7011
1.831
1.9858
XZ21
2889829.059
452984.3943
2.8734
1.9423
2.1175
XZ23
2889700.568
453175.4579
2.9103
1.9674
2.1445
XZ24
2890486.525
453488.3217
2.8462
1.9267
2.0949
XZ25
2890592.615
453255.3932
2.8526
1.9321
2.0986
DE07(固定)
2891260.276
453939.874
0
0
0
XJ09
2891483.418
453961.1984
3.0478
1.9702
2.3254
DE05
2891825.485
454465.6382
3.1037
2.0741
2.3089
XJ07
2892556.649
454678.993
3.2817
2.1868
2.447
XJ08
2892221.447
454426.0999
3.1053
2.0763
2.3091
DE03
2892308.493
455180.6448
3.3363
2.2039
2.5048
XJ06
2892916.634
454878.2671
3.4569
2.3103
2.5715
DD32(固定)
2893120.861
455131.989
0
0
0
XJ04
2893786.892
455380.0192
3.7915
2.5487
2.8071
XJ05
2893442.225
455289.1984
3.7917
2.5522
2.8041
DE38
2894051.552
455915.2401
4.0435
2.7367
2.9766
5(固定)
2894585.46
456315.5532
5.106
3.4656
3.7499
DE39
2894274.421
456342.373
0
0
0
DE37
2893827.291
455854.2255
6.4979
4.4141
4.7684
6.高程拟合
3参数拟合高程:
-36.618445、-0.000081、0.000065
内符合精度中误差±75.172(mm)
拟合后高程残差
点号
正常高(高程)
大地高
正常高(拟合)
差值
Rms(mm)
DD07
5.839
42.2479
5.8001
-0.0389
3.7527
DE19
6.784
43.4075
6.869
0.085
2.9219
DE07
5.636
42.2812
5.5889
-0.0471
3.9245
DD32
6.186
42.9376
6.1714
-0.0146
6.5031
DE39
11.186
47.979