Acta Geodaetica et Cartographica Sinica >

2018 , Vol. 47 >Issue 2: 142 - 152

DOI: https://doi.org/10.11947/j.AGCS.2018.20170488

Semi-analytical Model of the Waveform of Plantation Target for a Satellite Laser Altimeter

  • ZHANG Zhiyu ,
  • WANG Hong ,
  • ZHANG Wenhao ,
  • HUANG Ke ,
  • ZHOU Hui ,
  • MA Yue ,
  • LI Song
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  • 1. Electronic Information School, Wuhan University, Wuhan 430072, China;
    2. School of Science, Kunming University of Science and Technology, Kunming 650500, China

Received date: 2017-08-30

  Revised date: 2017-12-01

  Online published: 2018-03-02

Supported by

The National Natural Science Foundation of China (Nos. 41506210;11574240);The National Science and Technology Major Project(Nos. 11-Y20A12-9001-17/18;42-Y20A11-9001-17/18);The Postdoctoral Science Foundation of China (No. 2016M600612);The Fundamental Research Funds for the Central Universities (No. 2042017kf0016);The Special Fund of Surveying,Mapping and Geoinformation Professional Scientific Research Program for Public Welfare(No. 201512010)

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Abstract

The space borne laser altimeter has been widely applied in the extraction of characteristic of plantation target,demonstrating LiDAR technology's huge potential in forestry.As the complexity of the formation of the waveform of plantation target,a waveform simulator basing on semi analytical model has been developed,which performs well in simulating the waveform of certain inputs.Using the GLAS waveforms captured on the area of Daxing'an Mountain,the correlation coefficient R2 between the GLAS waveforms and the simulated waveforms is 0.91.The capacity of quantitative control of certain parameters like canopy shape,terrain slope,surface roughness and understory vegetation and producing a large number within limited time,allows it taking advantages in analyzing the influence of each parameter respectfully.Thus,the conclusion can provide guidance for data sources selection in inversion of vegetation target.

Key words： semi-analytical model; waveform simulator; laser altimeter; plantation target

Cite this article

ZHANG Zhiyu , WANG Hong , ZHANG Wenhao , HUANG Ke , ZHOU Hui , MA Yue , LI Song . Semi-analytical Model of the Waveform of Plantation Target for a Satellite Laser Altimeter[J]. Acta Geodaetica et Cartographica Sinica, 2018 , 47(2) : 142 -152 . DOI: 10.11947/j.AGCS.2018.20170488

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