Ｒｅｓｅａｒｃｈ　ｏｎ　Ｓｉｇｎａｌ　Ｃｈａｒａｃｔｅｒｉｓｔｉｃｓ　ｏｆ　ＧＰＳ　Ｍｕｌｔｉｐａｔｈ　Ｅｆｆｅｃｔｓ

doi:10.3969/j.issn.1009-0479.2014.05.008

Abstract

Abstract: ＧＰＳ　ｍｕｌｔｉ–ｐａｔｈ　ｅｆｆｅｃｔ　ｉｓ　ａｎ　ｉｍｐｏｒｔａｎｔ　ｅｒｒｏｒ　ｓｏｕｒｃｅ　ｏｆ　ＧＰＳ　ｓｕｒｖｅｙ．　Ｉｔ　ｓｅｒｉｏｕｓｌｙ　ｉｎｆｌｕｅｎｃｅｓ　ｔｈｅ　ＧＰＳ　ｍｅａｓｕｒｅｍｅｎｔ　ａｃｃｕｒａｃｙ．　Ｂａｓｅｄ　ｏｎ　ｔｈｅ　ｒｅｓｅａｒｃｈ　ｏｎ　ｍｕｌｔｉ–ｐａｔｈ　ｃｈａｒａｃｔｅｒｉｓｔｉｃ，　ｔｈｅ　ｅｒｒｏｒ　ｃｈａｒａｃｔｅｒｉｓｔｉｃｓ　ｏｆ　ｔｈｅ　ｍｕｌｔｉ–ｐａｔｈ　ｅｆｆｅｃｔ　ｗｅｒｅ　ａｎａｌｙｚｅｄ　ｂｙ　ｕｓｉｎｇ　ｔｈｅ　ｐｒｉｎｃｉｐｌｅ　ｏｆ　ｇｅｎｅｒａｔｉｎｇ　ｍｕｌｔｉ–ｐａｔｈ　ｆｒｏｍ　ｓｔａｒｔｉｎｇ　ａｎｄ　ｔｈｅ　ｆｕｎｃｔｉｏｎ　ｏｆ　ｔｈｅ　ｍｕｌｔｉ–ｐａｔｈ　ｓｉｇｎａｌ．　Ｆｉｎａｌｌｙ，　ｍｕｌｔｉ－ｐａｔｈ　ｅｆｆｅｃｔ　ｕｎｄｅｒ　ｄｉｆｆｅｒｅｎｔ　ｃｉｒｃｕｍｓｔａｎｃｅｓ　ｗａｓ　ｇｉｖｅｎ　ｂｙ　ｕｓｉｎｇ　ｓｉｍｕｌａｔｉｏｎ，　ａｎｄ　ｔｈｅ　ｍｕｌｔｉ－ｐａｔｈ　ｅｆｆｅｃｔ　ｗｉｔｈ　ｔｈｅ　ｓｐａｃｅ－ｔｉｍｅ　ａｎｄ　ｖａｌｕｅ　ｒａｎｇｅ　ｃｈａｒａｃｔｅｒｉｓｔｉｃｓ　ｗａｓ　ｏｂｔａｉｎｅｄ．

Key words: ｍｕｌｔｉ－ｐａｔｈ, ｓｉｍｕｌａｔｉｏｎ, ｓｐａｃｅ－ｔｉｍｅ　ｃｈａｒａｃｔｅｒｉｓｔｉｃ, ｖａｌｕｅ　ｒａｎｇｅ　ｃｈａｒａｃｔｅｒｉｓｔｉｃ

CLC Number:

Ｐ２２８．４

WANG Jian-Ying, HUANG De-Wu. Ｒｅｓｅａｒｃｈ　ｏｎ　Ｓｉｇｎａｌ　Ｃｈａｒａｃｔｅｒｉｓｔｉｃｓ　ｏｆ　ＧＰＳ　Ｍｕｌｔｉｐａｔｈ　Ｅｆｆｅｃｔｓ[J]. HPMug2oMmNrOfxWQHLiEksa6s0hFu9Ox348d7QefarYlaFR5ArkhOwm3Da1pmxmxCtenj1+6luWD#r#n+EPn9L6Ce+9onqnMlT+i, 2014, 30(5): 35-37,47.

[1]	MAO Chaoxun, CHEN Bin, YAO Xiwei. Analysis of the Deformation and Failure Mechanism of HighSteep Slope Under Repeated Mining of Coal Seam [J]. HPMug2oMmNrOfxWQHLiEksa6s0hFu9Ox348d7QefarYlaFR5ArkhOwm3Da1pmxmxCtenj1+6luWD#r#n+EPn9L6Ce+9onqnMlT+i, 2025, 41(3): 6-.
[2]	WEN Yiming', FU Xuehui , ZHAO Renshan?, CHENG Yong'WANG Falong’, LlU Zhangzhen’, LU Ping'b. Research on the Stability of Open-Pit Mine SlopesBased on FLAC?" and Geo-Slope [J]. HPMug2oMmNrOfxWQHLiEksa6s0hFu9Ox348d7QefarYlaFR5ArkhOwm3Da1pmxmxCtenj1+6luWD#r#n+EPn9L6Ce+9onqnMlT+i, 2025, 41(3): 13-.
[3]	ZHANG Weihong', OUYANG Hui', Ll Jian', XU Guoshuai?, Yl Junhua', MA Juan. Analysis on the Present Situation and Demand of Virtual Simulation PracticeTeaching of Surveying and Mapping Courses in Higher Vocational College [J]. HPMug2oMmNrOfxWQHLiEksa6s0hFu9Ox348d7QefarYlaFR5ArkhOwm3Da1pmxmxCtenj1+6luWD#r#n+EPn9L6Ce+9onqnMlT+i, 2024, 40(6): 99-.
[4]	XIE Wanyu, YANG Ming, WANG Zhu, SONG HaoteRONG Hui, HU Ying, Llu Zhixin. Generation Method of Abstract Fluid in Van Gogh's Style Oil Painting [J]. Journal of Kunming Metallurgy College, 2024, 40(2): 91-.
[5]	Ll Zihong. Simulation Design of Automatic Production Line Training Device Based on TIA Portal [J]. HPMug2oMmNrOfxWQHLiEksa6s0hFu9Ox348d7QefarYlaFR5ArkhOwm3Da1pmxmxCtenj1+6luWD#r#n+EPn9L6Ce+9onqnMlT+i, 2023, 39(6): 69-.
[6]	ZHANG Weihong', GUO Baoyu, XU Guoshuai, YI Junhua. Analysis and Research on Virtual Simulation Mapping Competition in Vocational Colleges [J]. HPMug2oMmNrOfxWQHLiEksa6s0hFu9Ox348d7QefarYlaFR5ArkhOwm3Da1pmxmxCtenj1+6luWD#r#n+EPn9L6Ce+9onqnMlT+i, 2023, 39(3): 57-.
[7]	CAO Qiwu. Research on the Construction of Virtual Simulation TrainingBase for Instrumentation and Automation [J]. HPMug2oMmNrOfxWQHLiEksa6s0hFu9Ox348d7QefarYlaFR5ArkhOwm3Da1pmxmxCtenj1+6luWD#r#n+EPn9L6Ce+9onqnMlT+i, 2022, 38(6): 96-.
[8]	LIU Qiyu, FANG Zhongyou, BAO Guangqiong, ZHANG Yao, ZHANG Xiaoliang, HUA Mingliang. Stability Analysis and Research on the Dam Body of a Tailing Reservoir in Qinghai Province [J]. HPMug2oMmNrOfxWQHLiEksa6s0hFu9Ox348d7QefarYlaFR5ArkhOwm3Da1pmxmxCtenj1+6luWD#r#n+EPn9L6Ce+9onqnMlT+i, 2022, 38(4): 16-.
[9]	ZHANG Jianan, YIN Yu, YANG Shaohua, GAO Ziie, DENG Shurong. Analysis and Research on the Stability of Mined-out Area in a Mine [J]. HPMug2oMmNrOfxWQHLiEksa6s0hFu9Ox348d7QefarYlaFR5ArkhOwm3Da1pmxmxCtenj1+6luWD#r#n+EPn9L6Ce+9onqnMlT+i, 2022, 38(4): 21-.
[10]	HAN Changju, LIU Xue’e, YANG Xiaojie. Application of Virtual Simulation Software for the Production of Prefabricated Concrete Components in Teaching [J]. HPMug2oMmNrOfxWQHLiEksa6s0hFu9Ox348d7QefarYlaFR5ArkhOwm3Da1pmxmxCtenj1+6luWD#r#n+EPn9L6Ce+9onqnMlT+i, 2022, 38(1): 122-.
[11]	ＺＨＯＵＸｉａｏｃｈａo. Synergism of Goaf Roof-Pillar System Based on Mining Environment Reconstruction [J]. HPMug2oMmNrOfxWQHLiEksa6s0hFu9Ox348d7QefarYlaFR5ArkhOwm3Da1pmxmxCtenj1+6luWD#r#n+EPn9L6Ce+9onqnMlT+i, 2021, 37(5): 28-.
[12]	LIU Xue’e, HAN Changju, YANG Xiaojie, ZHANG Song, ZHAO Yiqun. Exploration on the Teaching Reform of the Course of Prefabricated Concrete Component Production in Higher Vocational Colleges [J]. HPMug2oMmNrOfxWQHLiEksa6s0hFu9Ox348d7QefarYlaFR5ArkhOwm3Da1pmxmxCtenj1+6luWD#r#n+EPn9L6Ce+9onqnMlT+i, 2021, 37(3): 115-.
[13]	ZHOU Peng, LI Tengzhong, LI Yuan, YANG Jing, WU Xiangji. Research in Hydraulic Hybrid Vehicles Based on Fuzzy PID Control Strategy [J]. HPMug2oMmNrOfxWQHLiEksa6s0hFu9Ox348d7QefarYlaFR5ArkhOwm3Da1pmxmxCtenj1+6luWD#r#n+EPn9L6Ce+9onqnMlT+i, 2020, 36(1): 83-.
[14]	TAN Jiyu, LIU Gaochang. Reform in Teaching Methods of E-commerce Logistics Based on Simulation Technology [J]. HPMug2oMmNrOfxWQHLiEksa6s0hFu9Ox348d7QefarYlaFR5ArkhOwm3Da1pmxmxCtenj1+6luWD#r#n+EPn9L6Ce+9onqnMlT+i, 2020, 36(1): 122-.
[15]	ＣＨＥＮＧｕｏｐｉｎｇ１, ＹＵＡＮＬｅｉ２, ＷＵＸｉａｏｗｅｉ３, ＺＨＡＯＫｅ４, ＧＵＭｉａｏ４. ＭｕｌｔｉｓｃａｌｅＤｙｎａｍｉｃＳｉｍｕｌａｔｉｏｎｏｆＬａｎｄＵｓｅＳｐａｃｅｉｎＹｕｎｎａｎＣｅｎｔｒａｌＵｒｂａｎＡｇｇｌｏｍｅｒａｔｉｏｎＡｒｅａ [J]. HPMug2oMmNrOfxWQHLiEksa6s0hFu9Ox348d7QefarYlaFR5ArkhOwm3Da1pmxmxCtenj1+6luWD#r#n+EPn9L6Ce+9onqnMlT+i, 2019, 35(4): 52-.