六、计算题 1、某一城市D级GPS控制网,由33个GPS点组成,准备采用5台接收机进行观测, 每点观测2个时段,试完成下述内容: 1)该GPS网总的观测时段数: 2)一个时段的同步基线数和独立基线数: 3)该GPS网总基线数、必要基线数、独立基线数、多余基线数。 4)该GPS网的平均多余观测分量是多少? 2、GPS网中有一条重复基线向量,其观测值分别为8570.274m,8570.280m,8 570.282m,8570.284m和8570.278m。若接收机的标称精度为5mm±1ppm,通过计算说 明该基线向量的观测值是否合格? 3、右图为某一小型GPS控制 网,采用三台标称精度为5mm+5 D017 9D00 XD ppm的接收机观测三个时段, 观测计别和基线解算结果见表1」 试通过计算完成下述工作(要有 必要的计算公式): 1)该GPS网总基线数、必要 040 基线数、独立基线数、多余基线 D016 数。 表1 GS网观测计划与成果表 2)重复边D016-D003是否合 时段 起点 至点△X(m △y(m 格: D003D0171749.0363983.0307-3101287 3)第二时段的同步环是否合 *0016 D017-974.6340 -1945R816 2027.9065 格: *机003 2723.6694 2928.9144 -2338.0368 4)由表1中以“*”表示的 D016D040-2006.5299-1737.21811024.3812 D003 D0162723.66682928.9230-2338.0450 四条边组成的闭合环是同步环还 000 D040717.1387 191.6980 1313. 672 是异步环? D003D040717.14231191.6980-1313.6695 4、GPS某一网中有四边异步 3 D003D0171749.0340983.0359-310.1284 环,按顺序各边基线向量坐标分 *0040D0171031.8912-208.66381003.5416 别为(-974.6340,-1945.8816, 2027.9065),(2723.6694,2928.9144,-2338.0368),(-717.1387,-1191.6980 1313.6724)和(-1031.8912,208.6638,-1003.5456)。若接收机的标称精度为5mm ±1ppm,通过计算(给出必要公式)说明该异步环是否合格?(坐标单位:m) 5、下图是一设计的小型GPS控制网。当采用R1~R4四台GPS接收机进行观测:
六、计算题 1、某一城市 D 级 GPS 控制网,由 33 个 GPS 点组成,准备采用 5 台接收机进行观测, 每点观测 2 个时段,试完成下述内容: 1)该 GPS 网总的观测时段数; 2)一个时段的同步基线数和独立基线数; 3)该 GPS 网总基线数、必要基线数、独立基线数、多余基线数。 4)该 GPS 网的平均多余观测分量是多少? 2、GPS 网中有一条重复基线向量,其观测值分别为 8 570.274m,8 570.280m, 8 570.282m,8 570.284m 和 8 570.278m。若接收机的标称精度为 5mm±1ppm,通过计算说 明该基线向量的观测值是否合格? 3、右图为某一小型 GPS 控制 网,采用三台标称精度为 5mm+5 ×D ppm 的接收机观测三个时段, 观测计划和基线解算结果见表 1。 试通过计算完成下述工作(要有 必要的计算公式): 1)该 GPS 网总基线数、必要 基线数、独立基线数、多余基线 数。 2)重复边 D016-D003 是否合 格; 3)第二时段的同步环是否合 格; 4)由表 1 中以“*”表示的 四条边组成的闭合环是同步环还 是异步环? 4、GPS 某一网中有四边异步 环,按顺序各边基线向量坐标分 别为(-974.6340, -1945.8816, 2027.9065),(2723.6694, 2928.9144, -2338.0368),(-717.1387, -1191.6980, 1313.6724)和(-1031.8912, 208.6638, -1003.5456)。若接收机的标称精度为 5mm ±1ppm,通过计算(给出必要公式)说明该异步环是否合格?(坐标单位:m) 5、下图是一设计的小型 GPS 控制网。当采用 R1~R4 四台 GPS 接收机进行观测: 表 1 GPS 网观测计划与成果表 时段 号 起点 至点 ΔX(m) ΔY(m) ΔZ(m) 1 D003 D017 1749.0363 983.0307 -310.1287 *D016 D017 -974.6340 -1945.8816 2027.9065 *D003 D016 2723.6694 2928.9144 -2338.0368 2 D016 D040 -2006.5299 -1737.2181 1024.3812 D003 D016 2723.6668 2928.9230 -2338.0450 *D003 D040 717.1387 1191.6980 -1313.6724 3 D003 D040 717.1423 1191.6980 -1313.6695 D003 D017 1749.0340 983.0359 -310.1284 *D040 D017 1031.8912 -208.6638 1003.5416 D003 D017 D016 D040
1)试做出接收机的调度方案。 D02 D03 2)一个时段的总基线数和独立基 线数为多少? 3)该GPS网总基线数、必要基线 数、独立基线数、多余基线数、D03~ D04边的重复基线数各是多少? D06 4)该GPS网的平均多余观测分量 D04 是多少? 6、已知某一GPS测站的WGS-84坐标为X=-1757778.6528,Y=5185136.5996, Z=3261908.2830:气象因素为:气温25.90℃,气压955.84(毫巴),湿气压16.76(毫巴). 当某一卫星的高度角为20度时,试计算以下内容: 1)采用Hopfield模型时的对流层延迟; 2)采用Saastamoinen模型时,映射函数分别采用Marini模型、Chao模型、Cfa 模型、Mit模型和Mtt模型的对流层延迟。 7、某一GPS控制网中,其坐标联测点和高程联测点信息如表2所示,试完成以下 内容: GPS网坐标联测点和高程联测点信息 GS84平面坐标(m) 北京54平面坐标(m) 水准高程 点名 备注 H h(m) HHPA 39094.181144302.725335.5784 39142.47244238.745 基准占 GBCS 33202.089857496.266551.0315 33250.32657432.092 基准点 YUXD 31187.434654285.7049 26.3996 31235.72054221.562 基准点 SJSD 25490.0443 62035.425928.1293 25538.41461971.242 其准占 CLQA 36484.738254774.8501 24.8470 21.1029 基准点 CSOP 34862.154 56549.5903 25.3010 21.4434 基准点 CSUR 35002.6826 53937.8312 27.7914 24.0391 基准点 MS20 35018.158255683.380624.4201 20.6188 基准点 MS3R 35008.378355308.794626.3727 22.5848 基准点 MS4T 35013.156955046.620926.8190 23.0481 检查点 MSLW 35013.0164 54590.8332 27.3983 23.6413 基准点 CGVA 33237.9519 57379.3436 46.6799 特定点 MAZ1 36029.218955456.8999 23.5515 19.7720 基准点 35457.4611 55457.6201 26.0841 22.3010 检查占 MBK3 35479.460455047.0534 25.7438 21.9728 基准点
1)试做出接收机的调度方案。 2)一个时段的总基线数和独立基 线数为多少? 3)该 GPS 网总基线数、必要基线 数、独立基线数、多余基线数、D03~ D04 边的重复基线数各是多少? 4)该 GPS 网的平均多余观测分量 是多少? 6、已知某一 GPS 测站的 WGS-84 坐标为 X= -1757778.6528,Y=5185136.5996, Z=3261908.2830;气象因素为:气温 25.90℃,气压 955.84(毫巴),湿气压 16.76(毫巴)。 当某一卫星的高度角为 20 度时,试计算以下内容: 1)采用 Hopfield 模型时的对流层延迟; 2)采用 Saastamoinen 模型时,映射函数分别采用 Marini 模型、Chao 模型、Cfa 模型、Mit 模型和 Mtt 模型的对流层延迟。 7、某一 GPS 控制网中,其坐标联测点和高程联测点信息如表 2 所示,试完成以下 内容: 表 2 GPS 网坐标联测点和高程联测点信息 点名 WGS84 平面坐标(m) 北京 54 平面坐标(m) 水准高程 备注 x y H x y h(m) HHPA 39094.1811 44302.7253 35.5784 39142.472 44238.745 基准点 GBCS 33202.0898 57496.2665 51.0315 33250.326 57432.092 基准点 YUXD 31187.4346 54285.7049 26.3996 31235.720 54221.562 基准点 SJSD 25490.0443 62035.4259 28.1293 25538.414 61971.242 基准点 CLQA 36484.7382 54774.8501 24.8470 21.1029 基准点 CSOP 34862.1546 56549.5903 25.3010 21.4434 基准点 CSUR 35002.6826 53937.8312 27.7914 24.0391 基准点 MS2Q 35018.1582 55683.3806 24.4201 20.6188 基准点 MS3R 35008.3783 55308.7946 26.3727 22.5848 基准点 MS4T 35013.1569 55046.6209 26.8190 23.0481 检查点 MSLW 35013.0164 54590.8332 27.3983 23.6413 基准点 CGVA 33237.9519 57379.3436 46.6799 待定点 MAZ1 36029.2189 55456.8999 23.5515 19.7720 基准点 MAZ2 35457.4611 55457.6201 26.0841 22.3010 检查点 MBK3 35479.4604 55047.0534 25.7438 21.9728 基准点
MBK434288.800655055.499626.2922 22.5002基准点 1)采用平面坐标系统转换模型 x1「00]x1 +(1+) + yL-00y 采用四个坐标联测点中心化坐标,求平面坐标转换模型的转换参数: 2)计算其他待定点转换后的坐标: 3)利用六参数多项式模型(仁次曲面模型) f(x,y)=ax+ay+axy+ax2+asy2+a 采用中心化坐标,以表2中的基准点为依据,求解高程系统转换模型参数1~6: 4)解算所有点的GS水准高程。 8、已知某一GPS监测网中的6个测点在WGS-84空间直角坐标系中的坐标(见表3), 试完成以下内容: 1)计算这些点的球面坐标: 2)计算这些点的WGS-84大地坐标和3度带的高斯平面直角坐标: 3)以第一点为原点,计算其余5点在站心地平直角坐标系下的坐标 表3 GPS点的WGS84空间直角坐标(m)信息 点名 DPMC -2366462.0712 4813719.8322 3439397,7856 MPN1 -2368711.2115 4812974.2208 3438897.5484 MPN2 -2365546.0571 4815124.9575 3438094.6390 MPN3 -2364618.8793 4814092.9370 3440139.5922 MPN4 -2366798.1206 4814098.4032 3438639.8475 MPN5 -2366082.5847 4812909.4119 3440782.6667 9、以下为2012年7月14日北斗部分卫星的星历文件,其中C01、C03为G0卫星 C07、C10为IGS0卫星,C11、C12为ME0卫星。试计算这六颗卫星在3时56分15 秒历元的坐标。 2.10 C:CMP NAV DATA RINEY VERSION TYPE 20120831 211821 UTC PGM RUN BY DATE .1304D-07 .2235D-07-,5960D-07 -.1192D-0t ION ALPHA .1126D+06 .1638D+06-.6554D+05-.4588D+06 ION BETA .186264514923D-08.532907051800D-1461440 1697 DELTA-UTC:A0,A1,T,W 16 LEAP SECONDS END OF HEADER 0712071404000.0.359423000000D-04 .642686000000D-11.000000000000D+00 .1000000000000+01.853437500000D+02.135327065500D-08-,612600793200D+00
MBK4 34288.8006 55055.4996 26.2922 22.5002 基准点 1)采用平面坐标系统转换模型 0 0 0 (1 ) 0 i i i i i i T G G x x x x y y y y = + + + − , 采用四个坐标联测点中心化坐标,求平面坐标转换模型的转换参数; 2)计算其他待定点转换后的坐标; 3)利用六参数多项式模型(二次曲面模型) 2 2 1 2 3 4 5 6 f x y a x a y a xy a x a y a ( , ) = + + + + + , 采用中心化坐标,以表 2 中的基准点为依据,求解高程系统转换模型参数 a1~a6; 4)解算所有点的 GPS 水准高程。 8、已知某一 GPS 监测网中的 6 个测点在 WGS-84 空间直角坐标系中的坐标(见表 3), 试完成以下内容: 1)计算这些点的球面坐标; 2)计算这些点的 WGS-84 大地坐标和 3 度带的高斯平面直角坐标; 3)以第一点为原点,计算其余 5 点在站心地平直角坐标系下的坐标。 表 3 GPS 点的 WGS84 空间直角坐标(m)信息 点名 X Y Z DPMC -2366462.0712 4813719.8322 3439397.7856 MPN1 -2368711.2115 4812974.2208 3438897.5484 MPN2 -2365546.0571 4815124.9575 3438094.6390 MPN3 -2364618.8793 4814092.9370 3440139.5922 MPN4 -2366798.1206 4814098.4032 3438639.8475 MPN5 -2366082.5847 4812909.4119 3440782.6667 9、以下为 2012 年 7 月 14 日北斗部分卫星的星历文件,其中 C01、C03 为 GEO 卫星, C07、C10 为 IGSO 卫星,C11、C12 为 MEO 卫星。试计算这六颗卫星在 3 时 56 分 15 秒历元的坐标。 2.10 C: CMP NAV DATA RINEX VERSION / TYPE 20120831 211821 UTC PGM / RUN BY / DATE .1304D-07 .2235D-07 -.5960D-07 -.1192D-06 ION ALPHA .1126D+06 .1638D+06 -.6554D+05 -.4588D+06 ION BETA .186264514923D-08 .532907051800D-14 61440 1697 DELTA-UTC: A0,A1,T,W 16 LEAP SECONDS END OF HEADER 07 12 07 14 04 00 0.0 .359423000000D-04 .642686000000D-11 .000000000000D+00 .100000000000D+01 .853437500000D+02 .135327065500D-08 -.612600793200D+00
.253925100000D-05.207715807480D-02-.801961869000D-05.649306311382D+04 532800000000D+06-.187195837500D-06 795263936600D+00-.162050128000D-06 .958366539970D+00 .486921875000D+03 .307146386750D+01,262582366000D-08 .878608026100D-10 .000000000000D0( 169600000000D+04 .000000000000D+0 .200000000000D+01 .000000000000D+00 -.155000000000D-07 .000000000000D+00 532816000000D+06.000000000000D+00 1012071404000.0-.207872000000D-04-.518616000000D-10 000000000000D+00 ,100000000000D+01.804531250000D=02 .129291099800D-08-.107185161300D+01 ,273296609500 .21434689590D-024 832742080100D-0 .649354669961D+0 .532800000000D+ -.222120434000D-06 .784792663100D+00-.572763383400D-( ,960563376260D+00,502390625000D+03 309643955390D+01-,263903850000D-08 -9464679956000-10 000000000000D+00 169600000000D+04.000000000000D+00 .200000000000D+01 000000000000D-00-.850000000000D-08 .000000000000D+00 532816000000n+06 .000000000000D-00 1112071404000.0 .439025000000D-03 236486000000D-10 .000000000000D+00 .100000000000D+01 -.159531250000D+02 .390016245700D-08 .304275098300D+01 -.6882473826000-06.238051649650D-02 777374953000D-05 .528255073899D+04 532800000000D+06-.130385160400D-07 -.299308734200D+01 ,419095158600D-08 963487636850D+00 .205859375000D03 .310058312900D01.666420616000 485020203000D-09 .000000000000D+0( 16960 000000D+0 00000000000D+0 200000000000D+01 .000000000000D00 -.630000000000D-08 .000000000000D+00 .5328160000000+06 .000000000000D+00 1212071404000.0 .346867000000D-03 209237000000D-10 .0000000000000+00 100000000000D+01-.100937500000D+02 396195074500D-08 -.234446347900D+01 .5504116416000-06 .272805430000L 775605440100 52825717846 .532800000000D+06-.190921127800D-0 -.300109769100D+01 -.284053385300D-0 .962285709210D+00 .209140625000D+03 .300464517050D+01 -.672027993000D-08 4921633577000-09 000000000000D+00 .169600000000D+04 .000000000000D+00 200000000000D+01 .000000000000D+00-.940000000000D-08 000000000000D +00 532816000000D+06 .000000000000D 2 011207140400 0.0 .319247000000D-0% ,337206000000L ,000000000000D+0 ,100000000000D+01-.158218750000D+03 .104143623700D-07-.475667282400D+00 -.524893403100D-05.403044279660D-03-.116243027200D-04 ,649343383581D+04 532800000000D+06-.200700014800D-06-.206076365500D+01-.558793544800D-07 599039879040D-01 351015625000D-03 -.149365400270D+00 924288500000D 50002082790 .000000000000D+0 00000000D+0 200000000000D+01 .000000000000D+0 -.246000000000D-07 .000000000000D+00 .532837000000D+06.000000000000D+00 0312071404000.0119990000000D-05 381917000000D-11 000000000000D+00 100000000000D+01-.258046875000D+03 116511qg6000n-07-800R31g54000n+00 .830553472000D 3884630277800 129439868000 .6493367609 .532800000000D+06 .107102096100D-0 2039531159000+01 .146683305500-0 .669592775340D-01.394031250000D+03-.824428779720D+00-.106733017000D-0 -.110004582100D-09.000000000000D+00.169600000000D+04.000000000000D+00
.253925100000D-05 .207715807480D-02 -.801961869000D-05 .649306311382D+04 .532800000000D+06 -.187195837500D-06 .795263936600D+00 -.162050128000D-06 .958366539970D+00 .486921875000D+03 .307146386750D+01 -.262582366000D-08 -.878608026100D-10 .000000000000D+00 .169600000000D+04 .000000000000D+00 .200000000000D+01 .000000000000D+00 -.155000000000D-07 .000000000000D+00 .532816000000D+06 .000000000000D+00 10 12 07 14 04 00 0.0 -.207872000000D-04 -.518616000000D-10 .000000000000D+00 .100000000000D+01 .804531250000D+02 .129291099800D-08 -.107185161300D+01 .273296609500D-05 .221434689590D-02 -.832742080100D-05 .649354669961D+04 .532800000000D+06 -.222120434000D-06 .784792663100D+00 -.572763383400D-07 .960563376260D+00 .502390625000D+03 .309643955390D+01 -.263903850000D-08 -.946467995600D-10 .000000000000D+00 .169600000000D+04 .000000000000D+00 .200000000000D+01 .000000000000D+00 -.850000000000D-08 .000000000000D+00 .532816000000D+06 .000000000000D+00 11 12 07 14 04 00 0.0 .439025000000D-03 .236486000000D-10 .000000000000D+00 .100000000000D+01 -.159531250000D+02 .390016245700D-08 .304275098300D+01 -.688247382600D-06 .238051649650D-02 .777374953000D-05 .528255073899D+04 .532800000000D+06 -.130385160400D-07 -.299308734200D+01 .419095158600D-08 .963487636850D+00 .205859375000D+03 .310058312900D+01 -.666420616000D-08 .485020203000D-09 .000000000000D+00 .169600000000D+04 .000000000000D+00 .200000000000D+01 .000000000000D+00 -.630000000000D-08 .000000000000D+00 .532816000000D+06 .000000000000D+00 12 12 07 14 04 00 0.0 .346867000000D-03 .209237000000D-10 .000000000000D+00 .100000000000D+01 -.100937500000D+02 .396195074500D-08 -.234446347900D+01 -.550411641600D-06 .272805430000D-02 .775605440100D-05 .528257178465D+04 .532800000000D+06 -.190921127800D-07 -.300109769100D+01 -.284053385300D-07 .962285709210D+00 .209140625000D+03 .300464517050D+01 -.672027993000D-08 .492163357700D-09 .000000000000D+00 .169600000000D+04 .000000000000D+00 .200000000000D+01 .000000000000D+00 -.940000000000D-08 .000000000000D+00 .532816000000D+06 .000000000000D+00 01 12 07 14 04 00 0.0 .319247000000D-03 .337206000000D-10 .000000000000D+00 .100000000000D+01 -.158218750000D+03 .104143623700D-07 -.475667282400D+00 -.524893403100D-05 .403044279660D-03 -.116243027200D-04 .649343383581D+04 .532800000000D+06 -.200700014800D-06 -.206076365500D+01 -.558793544800D-07 .599039879040D-01 .351015625000D+03 -.149365400270D+00 -.924288500000D-08 .500020827900D-11 .000000000000D+00 .169600000000D+04 .000000000000D+00 .200000000000D+01 .000000000000D+00 -.246000000000D-07 .000000000000D+00 .532837000000D+06 .000000000000D+00 03 12 07 14 04 00 0.0 .119990000000D-05 .381917000000D-11 .000000000000D+00 .100000000000D+01 -.258046875000D+03 .116511996000D-07 -.800831854000D+00 -.830553472000D-05 .388463027780D-03 -.129439868000D-04 .649336760934D+04 .532800000000D+06 .107102096100D-07 -.203953115900D+01 .146683305500D-06 .669592775340D-01 .394031250000D+03 -.824428779720D+00 -.106733017000D-07 -.110004582100D-09 .000000000000D+00 .169600000000D+04 .000000000000D+00
,200000000000D+01.000000000000D-00-.153000000000D-07.000000000000D+00 .532837000000D+06.000000000000D+00 10、以下为某测站1号GS卫星的星历文件,试完成以下内容: NAVIGATION DATA RINEX VERSION TYPE CCRINEXN VL 6 0 UX CDDIS 11-AV-131533 PGM/RIN BY DATE IGS BROADCAST EPHEMERIS FILE 0.1676D-0 0.2235D-07-0.1192D-060.1192D-06 ION ALPHA 0.1106D+060.9830D+05-0.1311D+06-0.1966D+06 ION BETA 0.279396772385D-080.133226762955D-1361440 1740 DELTA-UTC:AO,AL,T,W 16 LEAP SECONDS END OF HEADER 113510000.00.244267284870D-040.397903932026D-110.000000000000D+00 0.570000000000D+02-0.310937500000D+020.486663128616D-080.382802256565D-01 -0.176019966602D-050.182418338954D-020.565499067307-050.515369274330D+04 0.432000000000D+06-0.223517417908D-07-0.109006406794D+010.372529029846D-07 0.959869915052D+000.266687500000D+030.265450420733D 0-0.819784147300 -08 0.5685951128 40D-090.1000000000 0D+010.173900000000D+040, 00 00000000 0*00 0.200000000000D+010.000000000000D+000.838190317154D-080.570000000000D+02 0.431970000000D+060.400000000000D+010.000000000000D+000.000000000000D+00 1)试解释该文件中各行数据的格式及含义: 2)试计算429600、432000和433500历元的卫星坐标和卫星速度 3)按5分钟间隔,解算两小时时段内(5月9日23:00至5月10日1:00)卫星坐 标和卫星速度的八阶切比雪夫多项式的拟合参数。 11、以下为某一测站RINEX格式观测值0文件文件头(部分内容)和第一历元观测值 记录,试完成下述内容。 2.10 OBSERVATION DATA G (GPS) RINEX VERSION TYPE Pinnacle 1.00 05-DEC-1222:11 PGM RUN BY DATE Ge atics AUST OBSERVER AGENCY MARKER NAME NBIC MARKER NUMBER MZX02375190 IPS LEGACY 2.2 Jan,24,2010 pl5 REC #TYPE VERS 20325090 IPSREGANT DD E ANT#/TYPE 2899123.82334716493.30453156508.8774 APPROX POSITION XYZ 1.683 0.000 0.0000 ANTENNA:DELTA H/E/N 1 WAVELENGTH FACT L1/2 7 Ll L2 Cl PI P2 DI D2 #TYPES OF OBSERV 1.000 INTERVAL 2012 11 10 02552.0000000 GPS TIME OF FIRST OBS 2012 11 10 2 3637.0000000 GPS TIME OF LAST OF SATELLITES G57846784678467846784678467846 PRN /OF OBS
.200000000000D+01 .000000000000D+00 -.153000000000D-07 .000000000000D+00 .532837000000D+06 .000000000000D+00 10、以下为某测站 1 号 GPS 卫星的星历文件,试完成以下内容: 2 NAVIGATION DATA RINEX VERSION / TYPE CCRINEXN V1.6.0 UX CDDIS 11-MAY-13 15:33 PGM / RUN BY / DATE IGS BROADCAST EPHEMERIS FILE COMMENT 0.1676D-07 0.2235D-07 -0.1192D-06 -0.1192D-06 ION ALPHA 0.1106D+06 0.9830D+05 -0.1311D+06 -0.1966D+06 ION BETA 0.279396772385D-08 0.133226762955D-13 61440 1740 DELTA-UTC: A0,A1,T,W 16 LEAP SECONDS END OF HEADER 1 13 5 10 0 0 0.0 0.244267284870D-04 0.397903932026D-11 0.000000000000D+00 0.570000000000D+02-0.310937500000D+02 0.486663128616D-08 0.382802256565D-01 -0.176019966602D-05 0.182418338954D-02 0.565499067307D-05 0.515369274330D+04 0.432000000000D+06-0.223517417908D-07-0.109006406794D+01 0.372529029846D-07 0.959869915052D+00 0.266687500000D+03 0.265450420733D+00-0.819784147300D-08 -0.568595112840D-09 0.100000000000D+01 0.173900000000D+04 0.000000000000D+00 0.200000000000D+01 0.000000000000D+00 0.838190317154D-08 0.570000000000D+02 0.431970000000D+06 0.400000000000D+01 0.000000000000D+00 0.000000000000D+00 1)试解释该文件中各行数据的格式及含义; 2)试计算 429600、432000 和 433500 历元的卫星坐标和卫星速度; 3)按 5 分钟间隔,解算两小时时段内(5 月 9 日 23:00 至 5 月 10 日 1:00)卫星坐 标和卫星速度的八阶切比雪夫多项式的拟合参数。 11、以下为某一测站RINEX格式观测值O文件文件头(部分内容)和第一历元观测值 记录,试完成下述内容。 2.10 OBSERVATION DATA G (GPS) RINEX VERSION / TYPE Pinnacle 1.00 05-DEC-12 22:11 PGM / RUN BY / DATE Geomatics AUST OBSERVER / AGENCY NBJC MARKER NAME NBJC MARKER NUMBER MZX02375190 JPS LEGACY 2.2 Jan,24,2010 pl5 REC # / TYPE / VERS 20325090 JPSREGANT_DD_E ANT # / TYPE -2899123.8233 4716493.3045 3156508.8774 APPROX POSITION XYZ 1.6835 0.0000 0.0000 ANTENNA: DELTA H/E/N 1 1 WAVELENGTH FACT L1/2 7 L1 L2 C1 P1 P2 D1 D2 # / TYPES OF OBSERV 1.000 INTERVAL 2012 11 10 0 25 52.0000000 GPS TIME OF FIRST OBS 2012 11 10 2 36 37.0000000 GPS TIME OF LAST OBS 12 # OF SATELLITES G 5 7846 7846 7846 7846 7846 7846 7846 PRN / # OF OBS
G96762662467626730662467626624 PRN OF OBS G147846783978467846783978467839 PRN /OF OBS G307846784678467846784678467846 PRN /OF OBS END OF HEADER 12111002552.0000000010G18G9G23G15G5G21G17G30G14G26 107414891.60983699916.333420440377.804820440377.2684620440374.60746 -194.033 -151.191 109283277.154 85155764.1724 20795918.316820795917.9134620795916.92646 -2846.60 -2218.127 111223838.776 86667895.977421165192.911821165192.4644621165193.48846 -1939.360 -1511.182 114719324.450 89391657.9384 21830366.179721830365.2944521830368.50644 2415.563 115907068.692 90317211.633422056385.439722056384.423422056387.13244 1137.953 886.720 118488774.360 92328896.964422547659.488622547659.0474322547659.78943 2106.621 1641.523 1)解释文件头中各行的格式及含义: 2)解释数据记录中第一历元“历元/卫星”记录行的各数据的格式及含义: 3)对于第18号卫星,记录的P1精密测码伪距为“20440377.26846”,各数字含义 是什么? 4)计算该历元中15号卫星的宽巷(Wide Lane)观测值p.、无电离层折射延迟观测 值LC、模糊度差值(N,-N,入、电离层残差组合L, 12、测站基本信息同第11题,以下给出了18号卫星从0:26:00开始的连续11个 历元的观测值, 107416408.458 83701098.2724 20440666.475820440666.1804620440663.30846 -186.229 -145.111 107416593.589 83701242.5274 20440701.682820440701.4224620440698.53646 -185.131 -144.255 107416777.420 83701385.7684 20440736.633820440736.4104620440733.49046 -183.831 -143.241 107416960.211 83701528.2004 20440771.391820440771.1944620440768.27746 -182.791 -142.432 10741714L.682 83701669.6034 20440805.943820440805.7644620440802.80646 181.470 141.403 107417321.694 83701809.8694 20440840.131820440840.0264620440837.03946 -180.012 -140.266 107417500.862 83701949.4784 20440874.257820440874.1324620440871.12846 -179.168 -139.609
G 9 6762 6624 6762 6730 6624 6762 6624 PRN / # OF OBS G14 7846 7839 7846 7846 7839 7846 7839 PRN / # OF OBS … G30 7846 7846 7846 7846 7846 7846 7846 PRN / # OF OBS END OF HEADER 12 11 10 0 25 52.0000000 0 10G18G 9G23G15G 5G21G17G30G14G26 107414891.609 83699916.3334 20440377.804 8 20440377.26846 20440374.60746 -194.033 -151.191 109283277.154 85155764.1724 20795918.316 8 20795917.91346 20795916.92646 -2846.605 -2218.127 111223838.776 86667895.9774 21165192.911 8 21165192.46446 21165193.48846 -1939.360 -1511.182 114719324.450 89391657.9384 21830366.179 7 21830365.29445 21830368.50644 -3099.989 -2415.563 115907068.692 90317211.6334 22056385.439 7 22056384.42344 22056387.13244 1137.953 886.720 118488774.360 92328896.9644 22547659.488 6 22547659.04743 22547659.78943 2106.621 1641.523 …… 1)解释文件头中各行的格式及含义; 2)解释数据记录中第一历元“历元/卫星”记录行的各数据的格式及含义; 3)对于第18号卫星,记录的P1精密测码伪距为“20440377.26846”,各数字含义 是什么? 4)计算该历元中15号卫星的宽巷(Wide Lane)观测值 w 、无电离层折射延迟观测 值LC、模糊度差值( N2 − N1 )、电离层残差组合 LI 。 12、测站基本信息同第 11 题,以下给出了 18 号卫星从 0:26:00 开始的连续 11 个 历元的观测值, 107416408.458 83701098.2724 20440666.475 8 20440666.18046 20440663.30846 -186.229 -145.111 107416593.589 83701242.5274 20440701.682 8 20440701.42246 20440698.53646 -185.131 -144.255 107416777.420 83701385.7684 20440736.633 8 20440736.41046 20440733.49046 -183.831 -143.241 107416960.211 83701528.2004 20440771.391 8 20440771.19446 20440768.27746 -182.791 -142.432 107417141.682 83701669.6034 20440805.943 8 20440805.76446 20440802.80646 -181.470 -141.403 107417321.694 83701809.8694 20440840.131 8 20440840.02646 20440837.03946 -180.012 -140.266 107417500.862 83701949.4784 20440874.257 8 20440874.13246 20440871.12846 -179.168 -139.609
107417679.375 83702088.5774 20440908.226820440908.1184620440905.14846 -178.514 -139.099 107417856.708 83702226.7564 20440942.027820440941.8694620440938.88346 -177.333 -138.179 105842612.997 82474764.1194 20141183.135820141182.9444620141179.99346 -176.112 -137.225 105842788.187 82474900.6294 20141216.492820141216.2564620141213.32146 -175.190 -136.510 试完成以下内容: 1)用高次差方法,判断该时段内L1载波相位观测值中是否存在明显的周跳: 2)采用电离层残差法,判断L1或L2的载波相位观测值中是否存在周跳: 3)试采用多项式拟合法,判断L1或L2的载波相位观测值中是否存在周跳
107417679.375 83702088.5774 20440908.226 8 20440908.11846 20440905.14846 -178.514 -139.099 107417856.708 83702226.7564 20440942.027 8 20440941.86946 20440938.88346 -177.333 -138.179 105842612.997 82474764.1194 20141183.135 8 20141182.94446 20141179.99346 -176.112 -137.225 105842788.187 82474900.6294 20141216.492 8 20141216.25646 20141213.32146 -175.190 -136.510 试完成以下内容: 1)用高次差方法,判断该时段内L1载波相位观测值中是否存在明显的周跳; 2)采用电离层残差法,判断L1或L2的载波相位观测值中是否存在周跳; 3)试采用多项式拟合法,判断L1或L2的载波相位观测值中是否存在周跳